[INFO] cloning repository https://github.com/angelini/lang
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/angelini/lang" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fangelini%2Flang", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fangelini%2Flang'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7a42c3121ff1daf6e5ab89b9d88459941b695996
[INFO] checking angelini/lang against try#8b72f65b805cbe4c261de45030d663f524f27376 for pr-78991
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fangelini%2Flang" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/angelini/lang on toolchain 8b72f65b805cbe4c261de45030d663f524f27376
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8b72f65b805cbe4c261de45030d663f524f27376" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/angelini/lang
[INFO] finished tweaking git repo https://github.com/angelini/lang
[INFO] tweaked toml for git repo https://github.com/angelini/lang written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/angelini/lang already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8b72f65b805cbe4c261de45030d663f524f27376" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rustc-serialize v0.3.21
[INFO] [stderr]   Downloaded unicode-width v0.1.3
[INFO] [stderr]   Downloaded clippy v0.0.98
[INFO] [stderr]   Downloaded clippy_lints v0.0.98
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+8b72f65b805cbe4c261de45030d663f524f27376" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 92bf3d197dfa4b765004d03fe3526830f0849f1cef493fc49c4ca8e36ab014f4
[INFO] running `Command { std: "docker" "start" "-a" "92bf3d197dfa4b765004d03fe3526830f0849f1cef493fc49c4ca8e36ab014f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "92bf3d197dfa4b765004d03fe3526830f0849f1cef493fc49c4ca8e36ab014f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "92bf3d197dfa4b765004d03fe3526830f0849f1cef493fc49c4ca8e36ab014f4", kill_on_drop: false }`
[INFO] [stdout] 92bf3d197dfa4b765004d03fe3526830f0849f1cef493fc49c4ca8e36ab014f4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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=forbid" "-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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+8b72f65b805cbe4c261de45030d663f524f27376" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b9d4d5cb6e292eea08b4e61c19867c8b26c7fbe89b24338abb64ca568f01dec0
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "b9d4d5cb6e292eea08b4e61c19867c8b26c7fbe89b24338abb64ca568f01dec0", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling nom v1.2.4
[INFO] [stderr]    Compiling rustc-serialize v0.3.21
[INFO] [stderr]    Compiling regex-syntax v0.3.9
[INFO] [stderr]    Compiling unicode-normalization v0.1.2
[INFO] [stderr]    Compiling quine-mc_cluskey v0.2.4
[INFO] [stderr]    Compiling matches v0.1.4
[INFO] [stderr]     Checking unicode-width v0.1.3
[INFO] [stderr]     Checking encode_unicode v0.1.3
[INFO] [stderr]    Compiling peg v0.3.18
[INFO] [stderr]     Checking rand v0.3.14
[INFO] [stderr]     Checking nix v0.5.1
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/peg-0.3.18/src/peg_syntax_ext.rs:1:30
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(plugin_registrar, quote, rustc_private, box_patterns)]
[INFO] [stdout]   |                              ^^^^^ feature has been removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0463]: can't find crate for `rustc_plugin`
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/peg-0.3.18/src/peg_syntax_ext.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | extern crate rustc_plugin;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0463, E0557.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0463`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `peg`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/nom-1.2.4/src/macros.rs:1210:5
[INFO] [stdout]      |
[INFO] [stdout] 1210 | /     {
[INFO] [stdout] 1211 | |       alt_parser!($i, $($rest)*)
[INFO] [stdout]      | |                                - help: consider removing this semicolon
[INFO] [stdout] 1212 | |     }
[INFO] [stdout]      | |_____^ expected enum `internal::IResult`, found `()`
[INFO] [stdout]      | 
[INFO] [stdout]     ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/nom-1.2.4/src/character.rs:135:1
[INFO] [stdout]      |
[INFO] [stdout] 135  |   named!(pub eol<char>, alt!(crlf | newline));
[INFO] [stdout]      |   -------------------------------------------- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = note:   expected enum `internal::IResult<&[u8], char>`
[INFO] [stdout]              found unit type `()`
[INFO] [stdout]      = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/nom-1.2.4/src/nom.rs:328:26
[INFO] [stdout]     |
[INFO] [stdout] 328 | pub fn be_i8(i:&[u8]) -> IResult<&[u8], i8> {
[INFO] [stdout]     |        -----             ^^^^^^^^^^^^^^^^^^ expected enum `internal::IResult`, found `()`
[INFO] [stdout]     |        |
[INFO] [stdout]     |        implicitly returns `()` as its body has no tail or `return` expression
[INFO] [stdout] 329 |   map!(i, be_u8, | x | { x as i8 })
[INFO] [stdout]     |                                   - help: consider removing this semicolon
[INFO] [stdout]     |
[INFO] [stdout]     = note:   expected enum `internal::IResult<&[u8], i8>`
[INFO] [stdout]             found unit type `()`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/nom-1.2.4/src/nom.rs:334:27
[INFO] [stdout]     |
[INFO] [stdout] 334 | pub fn be_i16(i:&[u8]) -> IResult<&[u8], i16> {
[INFO] [stdout]     |        ------             ^^^^^^^^^^^^^^^^^^^ expected enum `internal::IResult`, found `()`
[INFO] [stdout]     |        |
[INFO] [stdout]     |        implicitly returns `()` as its body has no tail or `return` expression
[INFO] [stdout] 335 |   map!(i, be_u16, | x | { x as i16 })
[INFO] [stdout]     |                                     - help: consider removing this semicolon
[INFO] [stdout]     |
[INFO] [stdout]     = note:   expected enum `internal::IResult<&[u8], i16>`
[INFO] [stdout]             found unit type `()`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/nom-1.2.4/src/nom.rs:340:27
[INFO] [stdout]     |
[INFO] [stdout] 340 | pub fn be_i32(i:&[u8]) -> IResult<&[u8], i32> {
[INFO] [stdout]     |        ------             ^^^^^^^^^^^^^^^^^^^ expected enum `internal::IResult`, found `()`
[INFO] [stdout]     |        |
[INFO] [stdout]     |        implicitly returns `()` as its body has no tail or `return` expression
[INFO] [stdout] 341 |   map!(i, be_u32, | x | { x as i32 })
[INFO] [stdout]     |                                     - help: consider removing this semicolon
[INFO] [stdout]     |
[INFO] [stdout]     = note:   expected enum `internal::IResult<&[u8], i32>`
[INFO] [stdout]             found unit type `()`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/nom-1.2.4/src/nom.rs:346:27
[INFO] [stdout]     |
[INFO] [stdout] 346 | pub fn be_i64(i:&[u8]) -> IResult<&[u8], i64> {
[INFO] [stdout]     |        ------             ^^^^^^^^^^^^^^^^^^^ expected enum `internal::IResult`, found `()`
[INFO] [stdout]     |        |
[INFO] [stdout]     |        implicitly returns `()` as its body has no tail or `return` expression
[INFO] [stdout] 347 |   map!(i, be_u64, | x | { x as i64 })
[INFO] [stdout]     |                                     - help: consider removing this semicolon
[INFO] [stdout]     |
[INFO] [stdout]     = note:   expected enum `internal::IResult<&[u8], i64>`
[INFO] [stdout]             found unit type `()`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/nom-1.2.4/src/nom.rs:396:26
[INFO] [stdout]     |
[INFO] [stdout] 396 | pub fn le_i8(i:&[u8]) -> IResult<&[u8], i8> {
[INFO] [stdout]     |        -----             ^^^^^^^^^^^^^^^^^^ expected enum `internal::IResult`, found `()`
[INFO] [stdout]     |        |
[INFO] [stdout]     |        implicitly returns `()` as its body has no tail or `return` expression
[INFO] [stdout] 397 |   map!(i, le_u8, | x | { x as i8 })
[INFO] [stdout]     |                                   - help: consider removing this semicolon
[INFO] [stdout]     |
[INFO] [stdout]     = note:   expected enum `internal::IResult<&[u8], i8>`
[INFO] [stdout]             found unit type `()`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/nom-1.2.4/src/nom.rs:402:27
[INFO] [stdout]     |
[INFO] [stdout] 402 | pub fn le_i16(i:&[u8]) -> IResult<&[u8], i16> {
[INFO] [stdout]     |        ------             ^^^^^^^^^^^^^^^^^^^ expected enum `internal::IResult`, found `()`
[INFO] [stdout]     |        |
[INFO] [stdout]     |        implicitly returns `()` as its body has no tail or `return` expression
[INFO] [stdout] 403 |   map!(i, le_u16, | x | { x as i16 })
[INFO] [stdout]     |                                     - help: consider removing this semicolon
[INFO] [stdout]     |
[INFO] [stdout]     = note:   expected enum `internal::IResult<&[u8], i16>`
[INFO] [stdout]             found unit type `()`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/nom-1.2.4/src/nom.rs:408:27
[INFO] [stdout]     |
[INFO] [stdout] 408 | pub fn le_i32(i:&[u8]) -> IResult<&[u8], i32> {
[INFO] [stdout]     |        ------             ^^^^^^^^^^^^^^^^^^^ expected enum `internal::IResult`, found `()`
[INFO] [stdout]     |        |
[INFO] [stdout]     |        implicitly returns `()` as its body has no tail or `return` expression
[INFO] [stdout] 409 |   map!(i, le_u32, | x | { x as i32 })
[INFO] [stdout]     |                                     - help: consider removing this semicolon
[INFO] [stdout]     |
[INFO] [stdout]     = note:   expected enum `internal::IResult<&[u8], i32>`
[INFO] [stdout]             found unit type `()`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/nom-1.2.4/src/nom.rs:414:27
[INFO] [stdout]     |
[INFO] [stdout] 414 | pub fn le_i64(i:&[u8]) -> IResult<&[u8], i64> {
[INFO] [stdout]     |        ------             ^^^^^^^^^^^^^^^^^^^ expected enum `internal::IResult`, found `()`
[INFO] [stdout]     |        |
[INFO] [stdout]     |        implicitly returns `()` as its body has no tail or `return` expression
[INFO] [stdout] 415 |   map!(i, le_u64, | x | { x as i64 })
[INFO] [stdout]     |                                     - help: consider removing this semicolon
[INFO] [stdout]     |
[INFO] [stdout]     = note:   expected enum `internal::IResult<&[u8], i64>`
[INFO] [stdout]             found unit type `()`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 9 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "b9d4d5cb6e292eea08b4e61c19867c8b26c7fbe89b24338abb64ca568f01dec0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b9d4d5cb6e292eea08b4e61c19867c8b26c7fbe89b24338abb64ca568f01dec0", kill_on_drop: false }`
[INFO] [stdout] b9d4d5cb6e292eea08b4e61c19867c8b26c7fbe89b24338abb64ca568f01dec0