[INFO] fetching crate sml-rs 0.4.0...
[INFO] checking sml-rs-0.4.0 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate sml-rs 0.4.0 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate sml-rs 0.4.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate sml-rs 0.4.0
[INFO] tweaked toml for crates.io crate sml-rs 0.4.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate sml-rs 0.4.0 on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate sml-rs 0.4.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 774d64bba4a2b58cff16f4654ad41b9ca17ff83b1d23c27f642750526b54aa6a
[INFO] running `Command { std: "docker" "start" "-a" "774d64bba4a2b58cff16f4654ad41b9ca17ff83b1d23c27f642750526b54aa6a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "774d64bba4a2b58cff16f4654ad41b9ca17ff83b1d23c27f642750526b54aa6a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "774d64bba4a2b58cff16f4654ad41b9ca17ff83b1d23c27f642750526b54aa6a", kill_on_drop: false }`
[INFO] [stdout] 774d64bba4a2b58cff16f4654ad41b9ca17ff83b1d23c27f642750526b54aa6a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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 -Dunmustuse_in_always_ok" "-e" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 41794f7a5b48ce6a5ed4a3cd84372e8849cfb292f9ec7749ae6c6a42609ef893
[INFO] running `Command { std: "docker" "start" "-a" "41794f7a5b48ce6a5ed4a3cd84372e8849cfb292f9ec7749ae6c6a42609ef893", kill_on_drop: false }`
[INFO] [stderr]     Checking memchr v2.7.2
[INFO] [stderr]    Compiling libc v0.2.155
[INFO] [stderr]     Checking regex-syntax v0.8.3
[INFO] [stderr]     Checking similar v2.5.0
[INFO] [stderr]     Checking sml-rs v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<&[u8], Infallible>
[INFO] [stdout]    --> src/lib.rs:615:65
[INFO] [stdout]     |
[INFO] [stdout] 615 |       fn parse_from(value: &'i [u8]) -> Result<Self, Self::Error> {
[INFO] [stdout]     |  _________________________________________________________________^
[INFO] [stdout] 616 | |         Ok(value)
[INFO] [stdout] 617 | |     }
[INFO] [stdout]     | |_____^
[INFO] [stdout]     |
[INFO] [stdout]     = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<&[u8], Infallible>
[INFO] [stdout]    --> src/lib.rs:616:9
[INFO] [stdout]     |
[INFO] [stdout] 616 |         Ok(value)
[INFO] [stdout]     |         ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Parser<'_>, Infallible>
[INFO] [stdout]    --> src/lib.rs:660:65
[INFO] [stdout]     |
[INFO] [stdout] 660 |       fn parse_from(value: &'i [u8]) -> Result<Self, Self::Error> {
[INFO] [stdout]     |  _________________________________________________________________^
[INFO] [stdout] 661 | |         Ok(Parser::new(value))
[INFO] [stdout] 662 | |     }
[INFO] [stdout]     | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Parser<'_>, Infallible>
[INFO] [stdout]    --> src/lib.rs:661:9
[INFO] [stdout]     |
[INFO] [stdout] 661 |         Ok(Parser::new(value))
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> src/parser/mod.rs:164:34
[INFO] [stdout]     |
[INFO] [stdout] 164 |     fn parse(input: &'i [u8]) -> ResTy<Self>;
[INFO] [stdout]     |                      --          ^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                      |
[INFO] [stdout]     |                      the lifetime is named here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: consistently use `'i`
[INFO] [stdout]     |
[INFO] [stdout] 164 |     fn parse(input: &'i [u8]) -> ResTy<'i, Self>;
[INFO] [stdout]     |                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> src/parser/mod.rs:169:43
[INFO] [stdout]     |
[INFO] [stdout] 169 |     fn parse_complete(input: &'i [u8]) -> ResTyComplete<Self> {
[INFO] [stdout]     |                               --          ^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                               |
[INFO] [stdout]     |                               the lifetime is named here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: consistently use `'i`
[INFO] [stdout]     |
[INFO] [stdout] 169 |     fn parse_complete(input: &'i [u8]) -> ResTyComplete<'i, Self> {
[INFO] [stdout]     |                                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> src/parser/mod.rs:188:34
[INFO] [stdout]     |
[INFO] [stdout] 188 |     fn parse(input: &'i [u8]) -> ResTy<Self> {
[INFO] [stdout]     |                      --          ^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                      |
[INFO] [stdout]     |                      the lifetime is named here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: consistently use `'i`
[INFO] [stdout]     |
[INFO] [stdout] 188 |     fn parse(input: &'i [u8]) -> ResTy<'i, Self> {
[INFO] [stdout]     |                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> src/parser/mod.rs:198:34
[INFO] [stdout]     |
[INFO] [stdout] 198 |     fn parse(input: &'i [u8]) -> ResTy<Self> {
[INFO] [stdout]     |                      --          ^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                      |
[INFO] [stdout]     |                      the lifetime is named here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: consistently use `'i`
[INFO] [stdout]     |
[INFO] [stdout] 198 |     fn parse(input: &'i [u8]) -> ResTy<'i, Self> {
[INFO] [stdout]     |                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/parser/mod.rs:208:21
[INFO] [stdout]     |
[INFO] [stdout] 208 | fn take_byte(input: &[u8]) -> ResTy<u8> {
[INFO] [stdout]     |                     ^^^^^     ^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 208 | fn take_byte(input: &[u8]) -> ResTy<'_, u8> {
[INFO] [stdout]     |                                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/parser/mod.rs:215:32
[INFO] [stdout]     |
[INFO] [stdout] 215 | fn take<const N: usize>(input: &[u8]) -> ResTy<&[u8; N]> {
[INFO] [stdout]     |                                ^^^^^     ^^^^^^^^^^^^^^^
[INFO] [stdout]     |                                |         |     |
[INFO] [stdout]     |                                |         |     the same lifetime is elided here
[INFO] [stdout]     |                                |         the same lifetime is hidden here
[INFO] [stdout]     |                                the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 215 | fn take<const N: usize>(input: &[u8]) -> ResTy<'_, &[u8; N]> {
[INFO] [stdout]     |                                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/parser/mod.rs:222:18
[INFO] [stdout]     |
[INFO] [stdout] 222 | fn take_n(input: &[u8], n: usize) -> ResTy<&[u8]> {
[INFO] [stdout]     |                  ^^^^^               ^^^^^^^^^^^^
[INFO] [stdout]     |                  |                   |     |
[INFO] [stdout]     |                  |                   |     the same lifetime is elided here
[INFO] [stdout]     |                  |                   the same lifetime is hidden here
[INFO] [stdout]     |                  the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 222 | fn take_n(input: &[u8], n: usize) -> ResTy<'_, &[u8]> {
[INFO] [stdout]     |                                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> src/parser/common.rs:303:34
[INFO] [stdout]     |
[INFO] [stdout] 303 |     fn parse(input: &'i [u8]) -> ResTy<Self> {
[INFO] [stdout]     |                      --          ^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                      |
[INFO] [stdout]     |                      the lifetime is named here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: consistently use `'i`
[INFO] [stdout]     |
[INFO] [stdout] 303 |     fn parse(input: &'i [u8]) -> ResTy<'i, Self> {
[INFO] [stdout]     |                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/parser/complete.rs:45:38
[INFO] [stdout]    |
[INFO] [stdout] 45 |     fn parse(mut input: &'i [u8]) -> ResTy<Self> {
[INFO] [stdout]    |                          --          ^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                          |
[INFO] [stdout]    |                          the lifetime is named here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: consistently use `'i`
[INFO] [stdout]    |
[INFO] [stdout] 45 |     fn parse(mut input: &'i [u8]) -> ResTy<'i, Self> {
[INFO] [stdout]    |                                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/parser/complete.rs:72:34
[INFO] [stdout]    |
[INFO] [stdout] 72 |     fn parse(input: &'i [u8]) -> ResTy<Self> {
[INFO] [stdout]    |                      --          ^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                      |
[INFO] [stdout]    |                      the lifetime is named here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: consistently use `'i`
[INFO] [stdout]    |
[INFO] [stdout] 72 |     fn parse(input: &'i [u8]) -> ResTy<'i, Self> {
[INFO] [stdout]    |                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/parser/complete.rs:259:21
[INFO] [stdout]     |
[INFO] [stdout] 259 | pub fn parse(input: &[u8]) -> Result<File, ParseError> {
[INFO] [stdout]     |                     ^^^^^            ^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 259 | pub fn parse(input: &[u8]) -> Result<File<'_>, ParseError> {
[INFO] [stdout]     |                                          ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> src/parser/streaming.rs:134:34
[INFO] [stdout]     |
[INFO] [stdout] 134 |     fn parse(input: &'i [u8]) -> ResTy<Self> {
[INFO] [stdout]     |                      --          ^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                      |
[INFO] [stdout]     |                      the lifetime is named here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: consistently use `'i`
[INFO] [stdout]     |
[INFO] [stdout] 134 |     fn parse(input: &'i [u8]) -> ResTy<'i, Self> {
[INFO] [stdout]     |                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/parser/tlf.rs:55:21
[INFO] [stdout]    |
[INFO] [stdout] 55 |     fn parse(input: &[u8]) -> ResTy<Self> {
[INFO] [stdout]    |                     ^^^^^     ^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                     |
[INFO] [stdout]    |                     the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 55 |     fn parse(input: &[u8]) -> ResTy<'_, Self> {
[INFO] [stdout]    |                                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/parser/tlf.rs:95:20
[INFO] [stdout]    |
[INFO] [stdout] 95 | fn tlf_byte(input: &[u8]) -> ResTy<(bool, u8, u32)> {
[INFO] [stdout]    |                    ^^^^^     ^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                    |
[INFO] [stdout]    |                    the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 95 | fn tlf_byte(input: &[u8]) -> ResTy<'_, (bool, u8, u32)> {
[INFO] [stdout]    |                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/parser/tlf.rs:103:26
[INFO] [stdout]     |
[INFO] [stdout] 103 | fn tlf_first_byte(input: &[u8]) -> ResTy<(bool, Ty, u32)> {
[INFO] [stdout]     |                          ^^^^^     ^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                          |
[INFO] [stdout]     |                          the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 103 | fn tlf_first_byte(input: &[u8]) -> ResTy<'_, (bool, Ty, u32)> {
[INFO] [stdout]     |                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/parser/tlf.rs:109:25
[INFO] [stdout]     |
[INFO] [stdout] 109 | fn tlf_next_byte(input: &[u8]) -> ResTy<(bool, u32)> {
[INFO] [stdout]     |                         ^^^^^     ^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 109 | fn tlf_next_byte(input: &[u8]) -> ResTy<'_, (bool, u32)> {
[INFO] [stdout]     |                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `sml-rs` (lib) due to 4 previous errors; 16 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "41794f7a5b48ce6a5ed4a3cd84372e8849cfb292f9ec7749ae6c6a42609ef893", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "41794f7a5b48ce6a5ed4a3cd84372e8849cfb292f9ec7749ae6c6a42609ef893", kill_on_drop: false }`
[INFO] [stdout] 41794f7a5b48ce6a5ed4a3cd84372e8849cfb292f9ec7749ae6c6a42609ef893
