[INFO] crate logfmt 0.0.2 is already in cache
[INFO] checking logfmt-0.0.2 against try#1a608893c03d7722effeb0058e82770bd36b4b3c for pr-66504-1
[INFO] extracting crate logfmt 0.0.2 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate logfmt 0.0.2 on toolchain 1a608893c03d7722effeb0058e82770bd36b4b3c
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1a608893c03d7722effeb0058e82770bd36b4b3c" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate logfmt 0.0.2
[INFO] finished tweaking crates.io crate logfmt 0.0.2
[INFO] tweaked toml for crates.io crate logfmt 0.0.2 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1a608893c03d7722effeb0058e82770bd36b4b3c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1a608893c03d7722effeb0058e82770bd36b4b3c" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1a608893c03d7722effeb0058e82770bd36b4b3c" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 3bf15f618c3053859c7325592bcc90dde40ed23e818ffe8a4a0a4b254bded5c0
[INFO] running `"docker" "start" "-a" "3bf15f618c3053859c7325592bcc90dde40ed23e818ffe8a4a0a4b254bded5c0"`
[INFO] [stderr]     Checking logfmt v0.0.2 (/opt/rustwide/workdir)
[INFO] [stderr] error: use of unstable library feature 'test': `bench` is a part of custom test frameworks which are unstable
[INFO] [stderr]  --> benches/lib.rs:6:3
[INFO] [stderr]   |
[INFO] [stderr] 6 | #[bench]
[INFO] [stderr]   |   ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[deny(soft_unstable)]` on by default
[INFO] [stderr]   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]   = note: for more information, see issue #64266 <https://github.com/rust-lang/rust/issues/64266>
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'test'
[INFO] [stderr]  --> benches/lib.rs:2:1
[INFO] [stderr]   |
[INFO] [stderr] 2 | extern crate test;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: for more information, see https://github.com/rust-lang/rust/issues/50297
[INFO] [stderr]   = help: add `#![feature(test)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'test'
[INFO] [stderr]  --> benches/lib.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use test::Bencher;
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: for more information, see https://github.com/rust-lang/rust/issues/50297
[INFO] [stderr]   = help: add `#![feature(test)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'test'
[INFO] [stderr]  --> benches/lib.rs:7:18
[INFO] [stderr]   |
[INFO] [stderr] 7 | fn parse(b: &mut Bencher) {
[INFO] [stderr]   |                  ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: for more information, see https://github.com/rust-lang/rust/issues/50297
[INFO] [stderr]   = help: add `#![feature(test)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'test'
[INFO] [stderr]  --> benches/lib.rs:8:7
[INFO] [stderr]   |
[INFO] [stderr] 8 |     b.iter(|| {
[INFO] [stderr]   |       ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: for more information, see https://github.com/rust-lang/rust/issues/50297
[INFO] [stderr]   = help: add `#![feature(test)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 5 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0658`.
[INFO] [stderr] error: could not compile `logfmt`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "3bf15f618c3053859c7325592bcc90dde40ed23e818ffe8a4a0a4b254bded5c0"`
[INFO] running `"docker" "rm" "-f" "3bf15f618c3053859c7325592bcc90dde40ed23e818ffe8a4a0a4b254bded5c0"`
[INFO] [stdout] 3bf15f618c3053859c7325592bcc90dde40ed23e818ffe8a4a0a4b254bded5c0