[INFO] fetching crate trip 0.1.12...
[INFO] checking trip-0.1.12 against master#39b841dfe36f90a7cd111e7f0c55f32594f6e578 for pr-77035
[INFO] extracting crate trip 0.1.12 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate trip 0.1.12 on toolchain 39b841dfe36f90a7cd111e7f0c55f32594f6e578
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39b841dfe36f90a7cd111e7f0c55f32594f6e578" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate trip 0.1.12
[INFO] finished tweaking crates.io crate trip 0.1.12
[INFO] tweaked toml for crates.io crate trip 0.1.12 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39b841dfe36f90a7cd111e7f0c55f32594f6e578" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39b841dfe36f90a7cd111e7f0c55f32594f6e578" "fetch" "--locked" "--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-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+39b841dfe36f90a7cd111e7f0c55f32594f6e578" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5ec841574104764423823127c3340746c9d2dc23ce4234b46842dc9fd8f7f4e1
[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" "5ec841574104764423823127c3340746c9d2dc23ce4234b46842dc9fd8f7f4e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5ec841574104764423823127c3340746c9d2dc23ce4234b46842dc9fd8f7f4e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5ec841574104764423823127c3340746c9d2dc23ce4234b46842dc9fd8f7f4e1", kill_on_drop: false }`
[INFO] [stdout] 5ec841574104764423823127c3340746c9d2dc23ce4234b46842dc9fd8f7f4e1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+39b841dfe36f90a7cd111e7f0c55f32594f6e578" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2177ec9a50e2a9ebcdb7b7f560991c9caa39fa2940865cdc5fe370249099cc76
[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" "2177ec9a50e2a9ebcdb7b7f560991c9caa39fa2940865cdc5fe370249099cc76", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking trip v0.1.12 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `test`
[INFO] [stdout]     --> src/trip.rs:1743:9
[INFO] [stdout]      |
[INFO] [stdout] 1743 |     use test::Bencher;
[INFO] [stdout]      |         ^^^^
[INFO] [stdout]      |         |
[INFO] [stdout]      |         unresolved import
[INFO] [stdout]      |         help: a similar path exists: `trip::tests::test::test`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of unstable library feature 'test': `bench` is a part of custom test frameworks which are unstable
[INFO] [stdout]     --> src/trip.rs:1755:7
[INFO] [stdout]      |
[INFO] [stdout] 1755 |     #[bench]
[INFO] [stdout]      |       ^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[deny(soft_unstable)]` on by default
[INFO] [stdout]      = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]      = note: for more information, see issue #64266 <https://github.com/rust-lang/rust/issues/64266>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `trip`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "2177ec9a50e2a9ebcdb7b7f560991c9caa39fa2940865cdc5fe370249099cc76", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2177ec9a50e2a9ebcdb7b7f560991c9caa39fa2940865cdc5fe370249099cc76", kill_on_drop: false }`
[INFO] [stdout] 2177ec9a50e2a9ebcdb7b7f560991c9caa39fa2940865cdc5fe370249099cc76