[INFO] fetching crate rsc 3.0.0...
[INFO] checking rsc-3.0.0 against 1.95.0 for pr-155915
[INFO] extracting crate rsc 3.0.0 into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate rsc 3.0.0
[INFO] finished tweaking crates.io crate rsc 3.0.0
[INFO] tweaked toml for crates.io crate rsc 3.0.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate rsc 3.0.0 on toolchain 1.95.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate rsc 3.0.0 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" "+1.95.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded syn-mid v0.5.3
[INFO] [stderr]   Downloaded unicode-width v0.1.5
[INFO] [stderr]   Downloaded termion v1.5.3
[INFO] [stderr]   Downloaded structopt-derive v0.4.0
[INFO] [stderr]   Downloaded atty v0.2.11
[INFO] [stderr]   Downloaded redox_termios v0.1.1
[INFO] [stderr]   Downloaded structopt v0.3.7
[INFO] [stderr]   Downloaded lazy_static v1.3.0
[INFO] [stderr]   Downloaded peekmore v1.3.0
[INFO] [stderr]   Downloaded redox_syscall v0.1.54
[INFO] [stderr]   Downloaded unicode-segmentation v1.3.0
[INFO] [stderr]   Downloaded syn v1.0.75
[INFO] [stderr]   Downloaded libc v0.2.58
[INFO] [stderr]   Downloaded winapi v0.3.7
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f40a2d3a6eb872ba23ee625226a748fc47eba8a22011bc87a4d8c3645d6ee606
[INFO] running `Command { std: "docker" "start" "-a" "f40a2d3a6eb872ba23ee625226a748fc47eba8a22011bc87a4d8c3645d6ee606", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f40a2d3a6eb872ba23ee625226a748fc47eba8a22011bc87a4d8c3645d6ee606", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f40a2d3a6eb872ba23ee625226a748fc47eba8a22011bc87a4d8c3645d6ee606", kill_on_drop: false }`
[INFO] [stdout] f40a2d3a6eb872ba23ee625226a748fc47eba8a22011bc87a4d8c3645d6ee606
[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=forbid" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d2d3a5654e7b7490589f04d076e1654101d3e65a10a147788f7573f500307490
[INFO] running `Command { std: "docker" "start" "-a" "d2d3a5654e7b7490589f04d076e1654101d3e65a10a147788f7573f500307490", kill_on_drop: false }`
[INFO] [stderr]     Checking peekmore v1.3.0
[INFO] [stderr]     Checking rsc v3.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/interpreter.rs:115:14
[INFO] [stdout]     |
[INFO] [stdout] 115 |     func_id: &str,
[INFO] [stdout]     |              ^^^^ the lifetime is elided here
[INFO] [stdout] 116 | ) -> Result<(), InterpretError> {
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^ the same lifetime is hidden 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: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 116 | ) -> Result<(), InterpretError<'_>> {
[INFO] [stdout]     |                               ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/tokenizer.rs:59:32
[INFO] [stdout]    |
[INFO] [stdout] 59 | pub fn tokenize<N: Num>(input: &str) -> Result<Vec<Token<N>>, TokenizeError> {
[INFO] [stdout]    |                                ^^^^                ^^^^^^^^   ^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                                |                   |
[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] 59 | pub fn tokenize<N: Num>(input: &str) -> Result<Vec<Token<'_, N>>, TokenizeError<'_>> {
[INFO] [stdout]    |                                                          +++                   ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/tokenizer.rs:64:12
[INFO] [stdout]    |
[INFO] [stdout] 64 |     input: &str,
[INFO] [stdout]    |            ^^^^ the lifetime is elided here
[INFO] [stdout] 65 |     options: TokenizeOptions,
[INFO] [stdout] 66 | ) -> Result<Vec<Token<N>>, TokenizeError> {
[INFO] [stdout]    |                 ^^^^^^^^   ^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 the same lifetime is hidden 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] 66 | ) -> Result<Vec<Token<'_, N>>, TokenizeError<'_>> {
[INFO] [stdout]    |                       +++                   ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/interpreter.rs:115:14
[INFO] [stdout]     |
[INFO] [stdout] 115 |     func_id: &str,
[INFO] [stdout]     |              ^^^^ the lifetime is elided here
[INFO] [stdout] 116 | ) -> Result<(), InterpretError> {
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^ the same lifetime is hidden 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: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 116 | ) -> Result<(), InterpretError<'_>> {
[INFO] [stdout]     |                               ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/tokenizer.rs:59:32
[INFO] [stdout]    |
[INFO] [stdout] 59 | pub fn tokenize<N: Num>(input: &str) -> Result<Vec<Token<N>>, TokenizeError> {
[INFO] [stdout]    |                                ^^^^                ^^^^^^^^   ^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                                |                   |
[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] 59 | pub fn tokenize<N: Num>(input: &str) -> Result<Vec<Token<'_, N>>, TokenizeError<'_>> {
[INFO] [stdout]    |                                                          +++                   ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/tokenizer.rs:64:12
[INFO] [stdout]    |
[INFO] [stdout] 64 |     input: &str,
[INFO] [stdout]    |            ^^^^ the lifetime is elided here
[INFO] [stdout] 65 |     options: TokenizeOptions,
[INFO] [stdout] 66 | ) -> Result<Vec<Token<N>>, TokenizeError> {
[INFO] [stdout]    |                 ^^^^^^^^   ^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 the same lifetime is hidden 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] 66 | ) -> Result<Vec<Token<'_, N>>, TokenizeError<'_>> {
[INFO] [stdout]    |                       +++                   ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> benches/benches.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(test)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rsc` (bench "benches") due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "d2d3a5654e7b7490589f04d076e1654101d3e65a10a147788f7573f500307490", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d2d3a5654e7b7490589f04d076e1654101d3e65a10a147788f7573f500307490", kill_on_drop: false }`
[INFO] [stdout] d2d3a5654e7b7490589f04d076e1654101d3e65a10a147788f7573f500307490
