[INFO] fetching crate nailgun 0.1.0...
[INFO] checking nailgun-0.1.0 against master#ff1737bb00913444173658b4e0b274fd79aabf66 for pr-132712-1
[INFO] extracting crate nailgun 0.1.0 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate nailgun 0.1.0 on toolchain ff1737bb00913444173658b4e0b274fd79aabf66
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ff1737bb00913444173658b4e0b274fd79aabf66" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate nailgun 0.1.0
[INFO] finished tweaking crates.io crate nailgun 0.1.0
[INFO] tweaked toml for crates.io crate nailgun 0.1.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ff1737bb00913444173658b4e0b274fd79aabf66" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 13 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ff1737bb00913444173658b4e0b274fd79aabf66" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+ff1737bb00913444173658b4e0b274fd79aabf66" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0a72786db4533bf0bc0a12ae3ca90ca598d14e3bc4ab053ef4f17c030998f061
[INFO] running `Command { std: "docker" "start" "-a" "0a72786db4533bf0bc0a12ae3ca90ca598d14e3bc4ab053ef4f17c030998f061", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0a72786db4533bf0bc0a12ae3ca90ca598d14e3bc4ab053ef4f17c030998f061", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0a72786db4533bf0bc0a12ae3ca90ca598d14e3bc4ab053ef4f17c030998f061", kill_on_drop: false }`
[INFO] [stdout] 0a72786db4533bf0bc0a12ae3ca90ca598d14e3bc4ab053ef4f17c030998f061
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=allow" "-e" "RUSTDOCFLAGS=--cap-lints=allow" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+ff1737bb00913444173658b4e0b274fd79aabf66" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 997fa3efa8bc77c2649b896f542372f4aeb255afa4102c1f2a3741ed872cd456
[INFO] running `Command { std: "docker" "start" "-a" "997fa3efa8bc77c2649b896f542372f4aeb255afa4102c1f2a3741ed872cd456", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] [stderr]    Compiling libc v0.2.164
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking getopts v0.2.21
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking tempdir v0.3.7
[INFO] [stderr]     Checking nailgun v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0635]: unknown feature `collections`
[INFO] [stdout]   --> nailgun.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 14 | #![feature(collections)]
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0635]: unknown feature `unicode`
[INFO] [stdout]   --> nailgun.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 15 | #![feature(unicode)]
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0635]: unknown feature `collections`
[INFO] [stdout]   --> nailgun.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 14 | #![feature(collections)]
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0635]: unknown feature `unicode`
[INFO] [stdout]   --> nailgun.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 15 | #![feature(unicode)]
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> generator/unescape.rs:32:21
[INFO] [stdout]    |
[INFO] [stdout] 32 |           if isHex( c1 ) && isHex( c2 ) && isHex( c3 ) && isHex( c4 ) => {
[INFO] [stdout]    |              -----  ^^ expected `u8`, found `&u8`
[INFO] [stdout]    |              |
[INFO] [stdout]    |              arguments to this function are incorrect
[INFO] [stdout]    |
[INFO] [stdout] note: function defined here
[INFO] [stdout]   --> generator/unescape.rs:72:4
[INFO] [stdout]    |
[INFO] [stdout] 72 | fn isHex( byte: u8 ) -> bool {
[INFO] [stdout]    |    ^^^^^  --------
[INFO] [stdout] help: consider dereferencing the borrow
[INFO] [stdout]    |
[INFO] [stdout] 32 |           if isHex( *c1 ) && isHex( c2 ) && isHex( c3 ) && isHex( c4 ) => {
[INFO] [stdout]    |                     +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> generator/unescape.rs:32:21
[INFO] [stdout]    |
[INFO] [stdout] 32 |           if isHex( c1 ) && isHex( c2 ) && isHex( c3 ) && isHex( c4 ) => {
[INFO] [stdout]    |              -----  ^^ expected `u8`, found `&u8`
[INFO] [stdout]    |              |
[INFO] [stdout]    |              arguments to this function are incorrect
[INFO] [stdout]    |
[INFO] [stdout] note: function defined here
[INFO] [stdout]   --> generator/unescape.rs:72:4
[INFO] [stdout]    |
[INFO] [stdout] 72 | fn isHex( byte: u8 ) -> bool {
[INFO] [stdout]    |    ^^^^^  --------
[INFO] [stdout] help: consider dereferencing the borrow
[INFO] [stdout]    |
[INFO] [stdout] 32 |           if isHex( *c1 ) && isHex( c2 ) && isHex( c3 ) && isHex( c4 ) => {
[INFO] [stdout]    |                     +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> generator/unescape.rs:32:36
[INFO] [stdout]    |
[INFO] [stdout] 32 |           if isHex( c1 ) && isHex( c2 ) && isHex( c3 ) && isHex( c4 ) => {
[INFO] [stdout]    |                             -----  ^^ expected `u8`, found `&u8`
[INFO] [stdout]    |                             |
[INFO] [stdout]    |                             arguments to this function are incorrect
[INFO] [stdout]    |
[INFO] [stdout] note: function defined here
[INFO] [stdout]   --> generator/unescape.rs:72:4
[INFO] [stdout]    |
[INFO] [stdout] 72 | fn isHex( byte: u8 ) -> bool {
[INFO] [stdout]    |    ^^^^^  --------
[INFO] [stdout] help: consider dereferencing the borrow
[INFO] [stdout]    |
[INFO] [stdout] 32 |           if isHex( c1 ) && isHex( *c2 ) && isHex( c3 ) && isHex( c4 ) => {
[INFO] [stdout]    |                                    +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> generator/unescape.rs:32:36
[INFO] [stdout]    |
[INFO] [stdout] 32 |           if isHex( c1 ) && isHex( c2 ) && isHex( c3 ) && isHex( c4 ) => {
[INFO] [stdout]    |                             -----  ^^ expected `u8`, found `&u8`
[INFO] [stdout]    |                             |
[INFO] [stdout]    |                             arguments to this function are incorrect
[INFO] [stdout]    |
[INFO] [stdout] note: function defined here
[INFO] [stdout]   --> generator/unescape.rs:72:4
[INFO] [stdout]    |
[INFO] [stdout] 72 | fn isHex( byte: u8 ) -> bool {
[INFO] [stdout]    |    ^^^^^  --------
[INFO] [stdout] help: consider dereferencing the borrow
[INFO] [stdout]    |
[INFO] [stdout] 32 |           if isHex( c1 ) && isHex( *c2 ) && isHex( c3 ) && isHex( c4 ) => {
[INFO] [stdout]    |                                    +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> generator/unescape.rs:32:51
[INFO] [stdout]    |
[INFO] [stdout] 32 |           if isHex( c1 ) && isHex( c2 ) && isHex( c3 ) && isHex( c4 ) => {
[INFO] [stdout]    |                                            -----  ^^ expected `u8`, found `&u8`
[INFO] [stdout]    |                                            |
[INFO] [stdout]    |                                            arguments to this function are incorrect
[INFO] [stdout]    |
[INFO] [stdout] note: function defined here
[INFO] [stdout]   --> generator/unescape.rs:72:4
[INFO] [stdout]    |
[INFO] [stdout] 72 | fn isHex( byte: u8 ) -> bool {
[INFO] [stdout]    |    ^^^^^  --------
[INFO] [stdout] help: consider dereferencing the borrow
[INFO] [stdout]    |
[INFO] [stdout] 32 |           if isHex( c1 ) && isHex( c2 ) && isHex( *c3 ) && isHex( c4 ) => {
[INFO] [stdout]    |                                                   +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> generator/unescape.rs:32:51
[INFO] [stdout]    |
[INFO] [stdout] 32 |           if isHex( c1 ) && isHex( c2 ) && isHex( c3 ) && isHex( c4 ) => {
[INFO] [stdout]    |                                            -----  ^^ expected `u8`, found `&u8`
[INFO] [stdout]    |                                            |
[INFO] [stdout]    |                                            arguments to this function are incorrect
[INFO] [stdout]    |
[INFO] [stdout] note: function defined here
[INFO] [stdout]   --> generator/unescape.rs:72:4
[INFO] [stdout]    |
[INFO] [stdout] 72 | fn isHex( byte: u8 ) -> bool {
[INFO] [stdout]    |    ^^^^^  --------
[INFO] [stdout] help: consider dereferencing the borrow
[INFO] [stdout]    |
[INFO] [stdout] 32 |           if isHex( c1 ) && isHex( c2 ) && isHex( *c3 ) && isHex( c4 ) => {
[INFO] [stdout]    |                                                   +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> generator/unescape.rs:32:66
[INFO] [stdout]    |
[INFO] [stdout] 32 |           if isHex( c1 ) && isHex( c2 ) && isHex( c3 ) && isHex( c4 ) => {
[INFO] [stdout]    |                                                           -----  ^^ expected `u8`, found `&u8`
[INFO] [stdout]    |                                                           |
[INFO] [stdout]    |                                                           arguments to this function are incorrect
[INFO] [stdout]    |
[INFO] [stdout] note: function defined here
[INFO] [stdout]   --> generator/unescape.rs:72:4
[INFO] [stdout]    |
[INFO] [stdout] 72 | fn isHex( byte: u8 ) -> bool {
[INFO] [stdout]    |    ^^^^^  --------
[INFO] [stdout] help: consider dereferencing the borrow
[INFO] [stdout]    |
[INFO] [stdout] 32 |           if isHex( c1 ) && isHex( c2 ) && isHex( c3 ) && isHex( *c4 ) => {
[INFO] [stdout]    |                                                                  +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> generator/unescape.rs:32:66
[INFO] [stdout]    |
[INFO] [stdout] 32 |           if isHex( c1 ) && isHex( c2 ) && isHex( c3 ) && isHex( c4 ) => {
[INFO] [stdout]    |                                                           -----  ^^ expected `u8`, found `&u8`
[INFO] [stdout]    |                                                           |
[INFO] [stdout]    |                                                           arguments to this function are incorrect
[INFO] [stdout]    |
[INFO] [stdout] note: function defined here
[INFO] [stdout]   --> generator/unescape.rs:72:4
[INFO] [stdout]    |
[INFO] [stdout] 72 | fn isHex( byte: u8 ) -> bool {
[INFO] [stdout]    |    ^^^^^  --------
[INFO] [stdout] help: consider dereferencing the borrow
[INFO] [stdout]    |
[INFO] [stdout] 32 |           if isHex( c1 ) && isHex( c2 ) && isHex( c3 ) && isHex( *c4 ) => {
[INFO] [stdout]    |                                                                  +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> generator/unescape.rs:33:62
[INFO] [stdout]    |
[INFO] [stdout] 33 |         final_bytes = addFourBytesAsCodepoint( final_bytes, [c1, c2, c3, c4] );
[INFO] [stdout]    |                                                              ^^ expected `u8`, found `&u8`
[INFO] [stdout]    |
[INFO] [stdout] help: consider dereferencing the borrow
[INFO] [stdout]    |
[INFO] [stdout] 33 |         final_bytes = addFourBytesAsCodepoint( final_bytes, [*c1, c2, c3, c4] );
[INFO] [stdout]    |                                                              +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> generator/unescape.rs:33:62
[INFO] [stdout]    |
[INFO] [stdout] 33 |         final_bytes = addFourBytesAsCodepoint( final_bytes, [c1, c2, c3, c4] );
[INFO] [stdout]    |                                                              ^^ expected `u8`, found `&u8`
[INFO] [stdout]    |
[INFO] [stdout] help: consider dereferencing the borrow
[INFO] [stdout]    |
[INFO] [stdout] 33 |         final_bytes = addFourBytesAsCodepoint( final_bytes, [*c1, c2, c3, c4] );
[INFO] [stdout]    |                                                              +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> generator/unescape.rs:37:21
[INFO] [stdout]    |
[INFO] [stdout] 37 |           if isHex( c1 ) && isHex( c2 ) => {
[INFO] [stdout]    |              -----  ^^ expected `u8`, found `&u8`
[INFO] [stdout]    |              |
[INFO] [stdout]    |              arguments to this function are incorrect
[INFO] [stdout]    |
[INFO] [stdout] note: function defined here
[INFO] [stdout]   --> generator/unescape.rs:72:4
[INFO] [stdout]    |
[INFO] [stdout] 72 | fn isHex( byte: u8 ) -> bool {
[INFO] [stdout]    |    ^^^^^  --------
[INFO] [stdout] help: consider dereferencing the borrow
[INFO] [stdout]    |
[INFO] [stdout] 37 |           if isHex( *c1 ) && isHex( c2 ) => {
[INFO] [stdout]    |                     +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> generator/unescape.rs:37:21
[INFO] [stdout]    |
[INFO] [stdout] 37 |           if isHex( c1 ) && isHex( c2 ) => {
[INFO] [stdout]    |              -----  ^^ expected `u8`, found `&u8`
[INFO] [stdout]    |              |
[INFO] [stdout]    |              arguments to this function are incorrect
[INFO] [stdout]    |
[INFO] [stdout] note: function defined here
[INFO] [stdout]   --> generator/unescape.rs:72:4
[INFO] [stdout]    |
[INFO] [stdout] 72 | fn isHex( byte: u8 ) -> bool {
[INFO] [stdout]    |    ^^^^^  --------
[INFO] [stdout] help: consider dereferencing the borrow
[INFO] [stdout]    |
[INFO] [stdout] 37 |           if isHex( *c1 ) && isHex( c2 ) => {
[INFO] [stdout]    |                     +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> generator/unescape.rs:37:36
[INFO] [stdout]    |
[INFO] [stdout] 37 |           if isHex( c1 ) && isHex( c2 ) => {
[INFO] [stdout]    |                             -----  ^^ expected `u8`, found `&u8`
[INFO] [stdout]    |                             |
[INFO] [stdout]    |                             arguments to this function are incorrect
[INFO] [stdout]    |
[INFO] [stdout] note: function defined here
[INFO] [stdout]   --> generator/unescape.rs:72:4
[INFO] [stdout]    |
[INFO] [stdout] 72 | fn isHex( byte: u8 ) -> bool {
[INFO] [stdout]    |    ^^^^^  --------
[INFO] [stdout] help: consider dereferencing the borrow
[INFO] [stdout]    |
[INFO] [stdout] 37 |           if isHex( c1 ) && isHex( *c2 ) => {
[INFO] [stdout]    |                                    +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> generator/unescape.rs:37:36
[INFO] [stdout]    |
[INFO] [stdout] 37 |           if isHex( c1 ) && isHex( c2 ) => {
[INFO] [stdout]    |                             -----  ^^ expected `u8`, found `&u8`
[INFO] [stdout]    |                             |
[INFO] [stdout]    |                             arguments to this function are incorrect
[INFO] [stdout]    |
[INFO] [stdout] note: function defined here
[INFO] [stdout]   --> generator/unescape.rs:72:4
[INFO] [stdout]    |
[INFO] [stdout] 72 | fn isHex( byte: u8 ) -> bool {
[INFO] [stdout]    |    ^^^^^  --------
[INFO] [stdout] help: consider dereferencing the borrow
[INFO] [stdout]    |
[INFO] [stdout] 37 |           if isHex( c1 ) && isHex( *c2 ) => {
[INFO] [stdout]    |                                    +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> generator/unescape.rs:38:55
[INFO] [stdout]    |
[INFO] [stdout] 38 |         final_bytes = addTwoBytesAsHex( final_bytes, [c1, c2] );
[INFO] [stdout]    |                                                       ^^ expected `u8`, found `&u8`
[INFO] [stdout]    |
[INFO] [stdout] help: consider dereferencing the borrow
[INFO] [stdout]    |
[INFO] [stdout] 38 |         final_bytes = addTwoBytesAsHex( final_bytes, [*c1, c2] );
[INFO] [stdout]    |                                                       +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> generator/unescape.rs:38:55
[INFO] [stdout]    |
[INFO] [stdout] 38 |         final_bytes = addTwoBytesAsHex( final_bytes, [c1, c2] );
[INFO] [stdout]    |                                                       ^^ expected `u8`, found `&u8`
[INFO] [stdout]    |
[INFO] [stdout] help: consider dereferencing the borrow
[INFO] [stdout]    |
[INFO] [stdout] 38 |         final_bytes = addTwoBytesAsHex( final_bytes, [*c1, c2] );
[INFO] [stdout]    |                                                       +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> generator/unescape.rs:42:23
[INFO] [stdout]    |
[INFO] [stdout] 42 |           if isOctal( c1 ) && isOctal( c2 ) && isOctal( c3 ) => {
[INFO] [stdout]    |              -------  ^^ expected `u8`, found `&u8`
[INFO] [stdout]    |              |
[INFO] [stdout]    |              arguments to this function are incorrect
[INFO] [stdout]    |
[INFO] [stdout] note: function defined here
[INFO] [stdout]   --> generator/unescape.rs:67:4
[INFO] [stdout]    |
[INFO] [stdout] 67 | fn isOctal( byte: u8 ) -> bool {
[INFO] [stdout]    |    ^^^^^^^  --------
[INFO] [stdout] help: consider dereferencing the borrow
[INFO] [stdout]    |
[INFO] [stdout] 42 |           if isOctal( *c1 ) && isOctal( c2 ) && isOctal( c3 ) => {
[INFO] [stdout]    |                       +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> generator/unescape.rs:42:23
[INFO] [stdout]    |
[INFO] [stdout] 42 |           if isOctal( c1 ) && isOctal( c2 ) && isOctal( c3 ) => {
[INFO] [stdout]    |              -------  ^^ expected `u8`, found `&u8`
[INFO] [stdout]    |              |
[INFO] [stdout]    |              arguments to this function are incorrect
[INFO] [stdout]    |
[INFO] [stdout] note: function defined here
[INFO] [stdout]   --> generator/unescape.rs:67:4
[INFO] [stdout]    |
[INFO] [stdout] 67 | fn isOctal( byte: u8 ) -> bool {
[INFO] [stdout]    |    ^^^^^^^  --------
[INFO] [stdout] help: consider dereferencing the borrow
[INFO] [stdout]    |
[INFO] [stdout] 42 |           if isOctal( *c1 ) && isOctal( c2 ) && isOctal( c3 ) => {
[INFO] [stdout]    |                       +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> generator/unescape.rs:42:40
[INFO] [stdout]    |
[INFO] [stdout] 42 |           if isOctal( c1 ) && isOctal( c2 ) && isOctal( c3 ) => {
[INFO] [stdout]    |                               -------  ^^ expected `u8`, found `&u8`
[INFO] [stdout]    |                               |
[INFO] [stdout]    |                               arguments to this function are incorrect
[INFO] [stdout]    |
[INFO] [stdout] note: function defined here
[INFO] [stdout]   --> generator/unescape.rs:67:4
[INFO] [stdout]    |
[INFO] [stdout] 67 | fn isOctal( byte: u8 ) -> bool {
[INFO] [stdout]    |    ^^^^^^^  --------
[INFO] [stdout] help: consider dereferencing the borrow
[INFO] [stdout]    |
[INFO] [stdout] 42 |           if isOctal( c1 ) && isOctal( *c2 ) && isOctal( c3 ) => {
[INFO] [stdout]    |                                        +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> generator/unescape.rs:42:40
[INFO] [stdout]    |
[INFO] [stdout] 42 |           if isOctal( c1 ) && isOctal( c2 ) && isOctal( c3 ) => {
[INFO] [stdout]    |                               -------  ^^ expected `u8`, found `&u8`
[INFO] [stdout]    |                               |
[INFO] [stdout]    |                               arguments to this function are incorrect
[INFO] [stdout]    |
[INFO] [stdout] note: function defined here
[INFO] [stdout]   --> generator/unescape.rs:67:4
[INFO] [stdout]    |
[INFO] [stdout] 67 | fn isOctal( byte: u8 ) -> bool {
[INFO] [stdout]    |    ^^^^^^^  --------
[INFO] [stdout] help: consider dereferencing the borrow
[INFO] [stdout]    |
[INFO] [stdout] 42 |           if isOctal( c1 ) && isOctal( *c2 ) && isOctal( c3 ) => {
[INFO] [stdout]    |                                        +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> generator/unescape.rs:42:57
[INFO] [stdout]    |
[INFO] [stdout] 42 |           if isOctal( c1 ) && isOctal( c2 ) && isOctal( c3 ) => {
[INFO] [stdout]    |                                                -------  ^^ expected `u8`, found `&u8`
[INFO] [stdout]    |                                                |
[INFO] [stdout]    |                                                arguments to this function are incorrect
[INFO] [stdout]    |
[INFO] [stdout] note: function defined here
[INFO] [stdout]   --> generator/unescape.rs:67:4
[INFO] [stdout]    |
[INFO] [stdout] 67 | fn isOctal( byte: u8 ) -> bool {
[INFO] [stdout]    |    ^^^^^^^  --------
[INFO] [stdout] help: consider dereferencing the borrow
[INFO] [stdout]    |
[INFO] [stdout] 42 |           if isOctal( c1 ) && isOctal( c2 ) && isOctal( *c3 ) => {
[INFO] [stdout]    |                                                         +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> generator/unescape.rs:42:57
[INFO] [stdout]    |
[INFO] [stdout] 42 |           if isOctal( c1 ) && isOctal( c2 ) && isOctal( c3 ) => {
[INFO] [stdout]    |                                                -------  ^^ expected `u8`, found `&u8`
[INFO] [stdout]    |                                                |
[INFO] [stdout]    |                                                arguments to this function are incorrect
[INFO] [stdout]    |
[INFO] [stdout] note: function defined here
[INFO] [stdout]   --> generator/unescape.rs:67:4
[INFO] [stdout]    |
[INFO] [stdout] 67 | fn isOctal( byte: u8 ) -> bool {
[INFO] [stdout]    |    ^^^^^^^  --------
[INFO] [stdout] help: consider dereferencing the borrow
[INFO] [stdout]    |
[INFO] [stdout] 42 |           if isOctal( c1 ) && isOctal( c2 ) && isOctal( *c3 ) => {
[INFO] [stdout]    |                                                         +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> generator/unescape.rs:43:59
[INFO] [stdout]    |
[INFO] [stdout] 43 |         final_bytes = addThreeBytesAsOctal( final_bytes, [c1, c2, c3] );
[INFO] [stdout]    |                                                           ^^ expected `u8`, found `&u8`
[INFO] [stdout]    |
[INFO] [stdout] help: consider dereferencing the borrow
[INFO] [stdout]    |
[INFO] [stdout] 43 |         final_bytes = addThreeBytesAsOctal( final_bytes, [*c1, c2, c3] );
[INFO] [stdout]    |                                                           +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> generator/unescape.rs:43:59
[INFO] [stdout]    |
[INFO] [stdout] 43 |         final_bytes = addThreeBytesAsOctal( final_bytes, [c1, c2, c3] );
[INFO] [stdout]    |                                                           ^^ expected `u8`, found `&u8`
[INFO] [stdout]    |
[INFO] [stdout] help: consider dereferencing the borrow
[INFO] [stdout]    |
[INFO] [stdout] 43 |         final_bytes = addThreeBytesAsOctal( final_bytes, [*c1, c2, c3] );
[INFO] [stdout]    |                                                           +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> generator/unescape.rs:47:52
[INFO] [stdout]     |
[INFO] [stdout] 47  |         final_bytes = addEscapedByte( final_bytes, c );
[INFO] [stdout]     |                       --------------               ^ expected `u8`, found `&u8`
[INFO] [stdout]     |                       |
[INFO] [stdout]     |                       arguments to this function are incorrect
[INFO] [stdout]     |
[INFO] [stdout] note: function defined here
[INFO] [stdout]    --> generator/unescape.rs:125:4
[INFO] [stdout]     |
[INFO] [stdout] 125 | fn addEscapedByte( mut input: Vec<u8>, byte: u8 ) -> Vec<u8> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^                      --------
[INFO] [stdout] help: consider dereferencing the borrow
[INFO] [stdout]     |
[INFO] [stdout] 47  |         final_bytes = addEscapedByte( final_bytes, *c );
[INFO] [stdout]     |                                                    +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> generator/unescape.rs:47:52
[INFO] [stdout]     |
[INFO] [stdout] 47  |         final_bytes = addEscapedByte( final_bytes, c );
[INFO] [stdout]     |                       --------------               ^ expected `u8`, found `&u8`
[INFO] [stdout]     |                       |
[INFO] [stdout]     |                       arguments to this function are incorrect
[INFO] [stdout]     |
[INFO] [stdout] note: function defined here
[INFO] [stdout]    --> generator/unescape.rs:125:4
[INFO] [stdout]     |
[INFO] [stdout] 125 | fn addEscapedByte( mut input: Vec<u8>, byte: u8 ) -> Vec<u8> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^                      --------
[INFO] [stdout] help: consider dereferencing the borrow
[INFO] [stdout]     |
[INFO] [stdout] 47  |         final_bytes = addEscapedByte( final_bytes, *c );
[INFO] [stdout]     |                                                    +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> generator/unescape.rs:51:27
[INFO] [stdout]    |
[INFO] [stdout] 33 |         final_bytes = addFourBytesAsCodepoint( final_bytes, [c1, c2, c3, c4] );
[INFO] [stdout]    |         ----------- here the type of `final_bytes` is inferred to be `Vec<u8>`
[INFO] [stdout] ...
[INFO] [stdout] 51 |         final_bytes.push( c );
[INFO] [stdout]    |                     ----  ^ expected `u8`, found `&u8`
[INFO] [stdout]    |                     |
[INFO] [stdout]    |                     arguments to this method are incorrect
[INFO] [stdout]    |
[INFO] [stdout] note: method defined here
[INFO] [stdout]   --> /rustc/ff1737bb00913444173658b4e0b274fd79aabf66/library/alloc/src/vec/mod.rs:2411:12
[INFO] [stdout] help: consider dereferencing the borrow
[INFO] [stdout]    |
[INFO] [stdout] 51 |         final_bytes.push( *c );
[INFO] [stdout]    |                           +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> generator/unescape.rs:51:27
[INFO] [stdout]    |
[INFO] [stdout] 33 |         final_bytes = addFourBytesAsCodepoint( final_bytes, [c1, c2, c3, c4] );
[INFO] [stdout]    |         ----------- here the type of `final_bytes` is inferred to be `Vec<u8>`
[INFO] [stdout] ...
[INFO] [stdout] 51 |         final_bytes.push( c );
[INFO] [stdout]    |                     ----  ^ expected `u8`, found `&u8`
[INFO] [stdout]    |                     |
[INFO] [stdout]    |                     arguments to this method are incorrect
[INFO] [stdout]    |
[INFO] [stdout] note: method defined here
[INFO] [stdout]   --> /rustc/ff1737bb00913444173658b4e0b274fd79aabf66/library/alloc/src/vec/mod.rs:2411:12
[INFO] [stdout] help: consider dereferencing the borrow
[INFO] [stdout]    |
[INFO] [stdout] 51 |         final_bytes.push( *c );
[INFO] [stdout]    |                           +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `unwrap` found for mutable reference `&mut str` in the current scope
[INFO] [stdout]   --> generator/unescape.rs:83:67
[INFO] [stdout]    |
[INFO] [stdout] 83 |         let num_written = character.encode_utf8( &mut utf8chars ).unwrap();
[INFO] [stdout]    |                                                                   ^^^^^^ method not found in `&mut str`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `unwrap` found for mutable reference `&mut str` in the current scope
[INFO] [stdout]   --> generator/unescape.rs:83:67
[INFO] [stdout]    |
[INFO] [stdout] 83 |         let num_written = character.encode_utf8( &mut utf8chars ).unwrap();
[INFO] [stdout]    |                                                                   ^^^^^^ method not found in `&mut str`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no function or associated item named `from_str` found for struct `String` in the current scope
[INFO] [stdout]   --> generator/mod.rs:40:22
[INFO] [stdout]    |
[INFO] [stdout] 40 |     "DOT" => String::from_str( "&base::Dot" ),
[INFO] [stdout]    |                      ^^^^^^^^ function or associated item not found in `String`
[INFO] [stdout]    |
[INFO] [stdout] note: if you're trying to build a new `String` consider using one of the following associated functions:
[INFO] [stdout]       String::new
[INFO] [stdout]       String::with_capacity
[INFO] [stdout]       String::try_with_capacity
[INFO] [stdout]       String::from_utf8
[INFO] [stdout]       and 9 others
[INFO] [stdout]   --> /rustc/ff1737bb00913444173658b4e0b274fd79aabf66/library/alloc/src/string.rs:446:5
[INFO] [stdout]    = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: trait `FromStr` which provides `from_str` is implemented but not in scope; perhaps you want to import it
[INFO] [stdout]    |
[INFO] [stdout] 14 + use std::str::FromStr;
[INFO] [stdout]    |
[INFO] [stdout] help: there is an associated function `from` with a similar name
[INFO] [stdout]    |
[INFO] [stdout] 40 |     "DOT" => String::from( "&base::Dot" ),
[INFO] [stdout]    |                      ~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no function or associated item named `from_str` found for struct `String` in the current scope
[INFO] [stdout]   --> generator/mod.rs:41:24
[INFO] [stdout]    |
[INFO] [stdout] 41 |     "ARROW" => String::from_str( " <- " ),
[INFO] [stdout]    |                        ^^^^^^^^ function or associated item not found in `String`
[INFO] [stdout]    |
[INFO] [stdout] note: if you're trying to build a new `String` consider using one of the following associated functions:
[INFO] [stdout]       String::new
[INFO] [stdout]       String::with_capacity
[INFO] [stdout]       String::try_with_capacity
[INFO] [stdout]       String::from_utf8
[INFO] [stdout]       and 9 others
[INFO] [stdout]   --> /rustc/ff1737bb00913444173658b4e0b274fd79aabf66/library/alloc/src/string.rs:446:5
[INFO] [stdout]    = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: trait `FromStr` which provides `from_str` is implemented but not in scope; perhaps you want to import it
[INFO] [stdout]    |
[INFO] [stdout] 14 + use std::str::FromStr;
[INFO] [stdout]    |
[INFO] [stdout] help: there is an associated function `from` with a similar name
[INFO] [stdout]    |
[INFO] [stdout] 41 |     "ARROW" => String::from( " <- " ),
[INFO] [stdout]    |                        ~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no function or associated item named `from_str` found for struct `String` in the current scope
[INFO] [stdout]   --> generator/mod.rs:42:24
[INFO] [stdout]    |
[INFO] [stdout] 42 |     "SLASH" => String::from_str( ", " ),
[INFO] [stdout]    |                        ^^^^^^^^ function or associated item not found in `String`
[INFO] [stdout]    |
[INFO] [stdout] note: if you're trying to build a new `String` consider using one of the following associated functions:
[INFO] [stdout]       String::new
[INFO] [stdout]       String::with_capacity
[INFO] [stdout]       String::try_with_capacity
[INFO] [stdout]       String::from_utf8
[INFO] [stdout]       and 9 others
[INFO] [stdout]   --> /rustc/ff1737bb00913444173658b4e0b274fd79aabf66/library/alloc/src/string.rs:446:5
[INFO] [stdout]    = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: trait `FromStr` which provides `from_str` is implemented but not in scope; perhaps you want to import it
[INFO] [stdout]    |
[INFO] [stdout] 14 + use std::str::FromStr;
[INFO] [stdout]    |
[INFO] [stdout] help: there is an associated function `from` with a similar name
[INFO] [stdout]    |
[INFO] [stdout] 42 |     "SLASH" => String::from( ", " ),
[INFO] [stdout]    |                        ~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no function or associated item named `from_str` found for struct `String` in the current scope
[INFO] [stdout]   --> generator/mod.rs:40:22
[INFO] [stdout]    |
[INFO] [stdout] 40 |     "DOT" => String::from_str( "&base::Dot" ),
[INFO] [stdout]    |                      ^^^^^^^^ function or associated item not found in `String`
[INFO] [stdout]    |
[INFO] [stdout] note: if you're trying to build a new `String` consider using one of the following associated functions:
[INFO] [stdout]       String::new
[INFO] [stdout]       String::with_capacity
[INFO] [stdout]       String::try_with_capacity
[INFO] [stdout]       String::from_utf8
[INFO] [stdout]       and 9 others
[INFO] [stdout]   --> /rustc/ff1737bb00913444173658b4e0b274fd79aabf66/library/alloc/src/string.rs:446:5
[INFO] [stdout]    = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: trait `FromStr` which provides `from_str` is implemented but not in scope; perhaps you want to import it
[INFO] [stdout]    |
[INFO] [stdout] 14 + use std::str::FromStr;
[INFO] [stdout]    |
[INFO] [stdout] help: there is an associated function `from` with a similar name
[INFO] [stdout]    |
[INFO] [stdout] 40 |     "DOT" => String::from( "&base::Dot" ),
[INFO] [stdout]    |                      ~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no function or associated item named `from_str` found for struct `String` in the current scope
[INFO] [stdout]   --> generator/mod.rs:41:24
[INFO] [stdout]    |
[INFO] [stdout] 41 |     "ARROW" => String::from_str( " <- " ),
[INFO] [stdout]    |                        ^^^^^^^^ function or associated item not found in `String`
[INFO] [stdout]    |
[INFO] [stdout] note: if you're trying to build a new `String` consider using one of the following associated functions:
[INFO] [stdout]       String::new
[INFO] [stdout]       String::with_capacity
[INFO] [stdout]       String::try_with_capacity
[INFO] [stdout]       String::from_utf8
[INFO] [stdout]       and 9 others
[INFO] [stdout]   --> /rustc/ff1737bb00913444173658b4e0b274fd79aabf66/library/alloc/src/string.rs:446:5
[INFO] [stdout]    = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: trait `FromStr` which provides `from_str` is implemented but not in scope; perhaps you want to import it
[INFO] [stdout]    |
[INFO] [stdout] 14 + use std::str::FromStr;
[INFO] [stdout]    |
[INFO] [stdout] help: there is an associated function `from` with a similar name
[INFO] [stdout]    |
[INFO] [stdout] 41 |     "ARROW" => String::from( " <- " ),
[INFO] [stdout]    |                        ~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no function or associated item named `from_str` found for struct `String` in the current scope
[INFO] [stdout]    --> generator/mod.rs:113:30
[INFO] [stdout]     |
[INFO] [stdout] 113 |     let mut output = String::from_str( "seq!( " );
[INFO] [stdout]     |                              ^^^^^^^^ function or associated item not found in `String`
[INFO] [stdout]     |
[INFO] [stdout] note: if you're trying to build a new `String` consider using one of the following associated functions:
[INFO] [stdout]       String::new
[INFO] [stdout]       String::with_capacity
[INFO] [stdout]       String::try_with_capacity
[INFO] [stdout]       String::from_utf8
[INFO] [stdout]       and 9 others
[INFO] [stdout]    --> /rustc/ff1737bb00913444173658b4e0b274fd79aabf66/library/alloc/src/string.rs:446:5
[INFO] [stdout]     = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: trait `FromStr` which provides `from_str` is implemented but not in scope; perhaps you want to import it
[INFO] [stdout]     |
[INFO] [stdout] 14  + use std::str::FromStr;
[INFO] [stdout]     |
[INFO] [stdout] help: there is an associated function `from` with a similar name
[INFO] [stdout]     |
[INFO] [stdout] 113 |     let mut output = String::from( "seq!( " );
[INFO] [stdout]     |                              ~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no function or associated item named `from_str` found for struct `String` in the current scope
[INFO] [stdout]   --> generator/mod.rs:42:24
[INFO] [stdout]    |
[INFO] [stdout] 42 |     "SLASH" => String::from_str( ", " ),
[INFO] [stdout]    |                        ^^^^^^^^ function or associated item not found in `String`
[INFO] [stdout]    |
[INFO] [stdout] note: if you're trying to build a new `String` consider using one of the following associated functions:
[INFO] [stdout]       String::new
[INFO] [stdout]       String::with_capacity
[INFO] [stdout]       String::try_with_capacity
[INFO] [stdout]       String::from_utf8
[INFO] [stdout]       and 9 others
[INFO] [stdout]   --> /rustc/ff1737bb00913444173658b4e0b274fd79aabf66/library/alloc/src/string.rs:446:5
[INFO] [stdout]    = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: trait `FromStr` which provides `from_str` is implemented but not in scope; perhaps you want to import it
[INFO] [stdout]    |
[INFO] [stdout] 14 + use std::str::FromStr;
[INFO] [stdout]    |
[INFO] [stdout] help: there is an associated function `from` with a similar name
[INFO] [stdout]    |
[INFO] [stdout] 42 |     "SLASH" => String::from( ", " ),
[INFO] [stdout]    |                        ~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no function or associated item named `from_str` found for struct `String` in the current scope
[INFO] [stdout]    --> generator/mod.rs:113:30
[INFO] [stdout]     |
[INFO] [stdout] 113 |     let mut output = String::from_str( "seq!( " );
[INFO] [stdout]     |                              ^^^^^^^^ function or associated item not found in `String`
[INFO] [stdout]     |
[INFO] [stdout] note: if you're trying to build a new `String` consider using one of the following associated functions:
[INFO] [stdout]       String::new
[INFO] [stdout]       String::with_capacity
[INFO] [stdout]       String::try_with_capacity
[INFO] [stdout]       String::from_utf8
[INFO] [stdout]       and 9 others
[INFO] [stdout]    --> /rustc/ff1737bb00913444173658b4e0b274fd79aabf66/library/alloc/src/string.rs:446:5
[INFO] [stdout]     = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: trait `FromStr` which provides `from_str` is implemented but not in scope; perhaps you want to import it
[INFO] [stdout]     |
[INFO] [stdout] 14  + use std::str::FromStr;
[INFO] [stdout]     |
[INFO] [stdout] help: there is an associated function `from` with a similar name
[INFO] [stdout]     |
[INFO] [stdout] 113 |     let mut output = String::from( "seq!( " );
[INFO] [stdout]     |                              ~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `slice_chars` found for struct `String` in the current scope
[INFO] [stdout]    --> generator/mod.rs:191:28
[INFO] [stdout]     |
[INFO] [stdout] 191 |     &unescapeString( &full.slice_chars( 1, full.len() - 1 ) ) );
[INFO] [stdout]     |                            ^^^^^^^^^^^ method not found in `String`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `slice_chars` found for struct `String` in the current scope
[INFO] [stdout]    --> generator/mod.rs:191:28
[INFO] [stdout]     |
[INFO] [stdout] 191 |     &unescapeString( &full.slice_chars( 1, full.len() - 1 ) ) );
[INFO] [stdout]     |                            ^^^^^^^^^^^ method not found in `String`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `tail` found for struct `Vec<String>` in the current scope
[INFO] [stdout]    --> nailgun.rs:155:34
[INFO] [stdout]     |
[INFO] [stdout] 155 |   let matches = opts.parse( args.tail() ).unwrap();
[INFO] [stdout]     |                                  ^^^^ method not found in `Vec<String>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0308, E0599, E0635.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0308, E0599, E0635.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `nailgun` (bin "nailgun") due to 23 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `nailgun` (bin "nailgun" test) due to 22 previous errors
[INFO] running `Command { std: "docker" "inspect" "997fa3efa8bc77c2649b896f542372f4aeb255afa4102c1f2a3741ed872cd456", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "997fa3efa8bc77c2649b896f542372f4aeb255afa4102c1f2a3741ed872cd456", kill_on_drop: false }`
[INFO] [stdout] 997fa3efa8bc77c2649b896f542372f4aeb255afa4102c1f2a3741ed872cd456