[INFO] fetching crate hashdistinct 0.4.0...
[INFO] checking hashdistinct-0.4.0 against try#3bb2879ea9e58d65b875f9a98df44f4a43ce2597 for pr-85387
[INFO] extracting crate hashdistinct 0.4.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate hashdistinct 0.4.0 on toolchain 3bb2879ea9e58d65b875f9a98df44f4a43ce2597
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate hashdistinct 0.4.0
[INFO] finished tweaking crates.io crate hashdistinct 0.4.0
[INFO] tweaked toml for crates.io crate hashdistinct 0.4.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate hashdistinct 0.4.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded colored v1.9.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 704343c5e562ad985c3a9b2c59b004dbfed1b3c75b96804736d973c265c3a593
[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" "704343c5e562ad985c3a9b2c59b004dbfed1b3c75b96804736d973c265c3a593", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "704343c5e562ad985c3a9b2c59b004dbfed1b3c75b96804736d973c265c3a593", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "704343c5e562ad985c3a9b2c59b004dbfed1b3c75b96804736d973c265c3a593", kill_on_drop: false }`
[INFO] [stdout] 704343c5e562ad985c3a9b2c59b004dbfed1b3c75b96804736d973c265c3a593
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 20cb96fb2dc2a59a4c6500fac7d6dde261478a7464bd945e981ecf3cfbffaaa7
[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" "20cb96fb2dc2a59a4c6500fac7d6dde261478a7464bd945e981ecf3cfbffaaa7", kill_on_drop: false }`
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]     Checking untrusted v0.7.0
[INFO] [stderr]    Compiling ring v0.16.9
[INFO] [stderr]     Checking atty v0.2.13
[INFO] [stderr]     Checking colored v1.9.1
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking hashdistinct v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `HashMap`
[INFO] [stdout]  --> src/main.rs:7:23
[INFO] [stdout]   |
[INFO] [stdout] 7 |         collections::{HashMap, BTreeMap},
[INFO] [stdout]   |                       ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `HashMap`
[INFO] [stdout]  --> src/main.rs:7:23
[INFO] [stdout]   |
[INFO] [stdout] 7 |         collections::{HashMap, BTreeMap},
[INFO] [stdout]   |                       ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.80s
[INFO] running `Command { std: "docker" "inspect" "20cb96fb2dc2a59a4c6500fac7d6dde261478a7464bd945e981ecf3cfbffaaa7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "20cb96fb2dc2a59a4c6500fac7d6dde261478a7464bd945e981ecf3cfbffaaa7", kill_on_drop: false }`
[INFO] [stdout] 20cb96fb2dc2a59a4c6500fac7d6dde261478a7464bd945e981ecf3cfbffaaa7