[INFO] cloning repository https://github.com/erwinvaneijk/fbhash
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/erwinvaneijk/fbhash" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ferwinvaneijk%2Ffbhash", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ferwinvaneijk%2Ffbhash'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a297761791b92fdd96fc3ca6b28733b7f00e883e
[INFO] checking erwinvaneijk/fbhash against master#50e1dc1536264ab71c0850f346b12309477f29f7 for pr-85073
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ferwinvaneijk%2Ffbhash" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/erwinvaneijk/fbhash on toolchain 50e1dc1536264ab71c0850f346b12309477f29f7
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+50e1dc1536264ab71c0850f346b12309477f29f7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/erwinvaneijk/fbhash
[INFO] finished tweaking git repo https://github.com/erwinvaneijk/fbhash
[INFO] tweaked toml for git repo https://github.com/erwinvaneijk/fbhash written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/erwinvaneijk/fbhash already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+50e1dc1536264ab71c0850f346b12309477f29f7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "+50e1dc1536264ab71c0850f346b12309477f29f7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fec93aefd7bbebad62275883fd7f573d82706118cb7b523e5296224561f0dc3a
[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" "fec93aefd7bbebad62275883fd7f573d82706118cb7b523e5296224561f0dc3a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fec93aefd7bbebad62275883fd7f573d82706118cb7b523e5296224561f0dc3a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fec93aefd7bbebad62275883fd7f573d82706118cb7b523e5296224561f0dc3a", kill_on_drop: false }`
[INFO] [stdout] fec93aefd7bbebad62275883fd7f573d82706118cb7b523e5296224561f0dc3a
[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" "+50e1dc1536264ab71c0850f346b12309477f29f7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dac6e72681da4caa293cb3d4bf3c2c4d428ca6e6a755562f37e295cd49c8582e
[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" "dac6e72681da4caa293cb3d4bf3c2c4d428ca6e6a755562f37e295cd49c8582e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.92
[INFO] [stderr]    Compiling syn v1.0.70
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]     Checking regex-syntax v0.6.23
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking predicates-core v1.0.2
[INFO] [stderr]    Compiling escargot v0.3.1
[INFO] [stderr]     Checking normalize-line-endings v0.3.0
[INFO] [stderr]     Checking dtoa v0.4.8
[INFO] [stderr]     Checking difference v2.0.0
[INFO] [stderr]     Checking humantime v2.1.0
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking termcolor v1.1.2
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking treeline v0.1.0
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]     Checking hash_hasher v2.0.3
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]     Checking yaml-rust v0.4.5
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking itertools v0.10.0
[INFO] [stderr]     Checking predicates-tree v1.0.2
[INFO] [stderr]     Checking pretty_assertions v0.7.2
[INFO] [stderr]     Checking aho-corasick v0.7.15
[INFO] [stderr]     Checking getrandom v0.2.2
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking rand_core v0.6.2
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking float-cmp v0.8.0
[INFO] [stderr]     Checking num-integer v0.1.44
[INFO] [stderr]     Checking regex v1.4.5
[INFO] [stderr]     Checking frequency v1.0.1
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]     Checking frequency-hashmap v1.1.0
[INFO] [stderr]     Checking rand v0.8.3
[INFO] [stderr]     Checking tempfile v3.2.0
[INFO] [stderr]     Checking predicates v1.0.8
[INFO] [stderr]     Checking env_logger v0.8.3
[INFO] [stderr]    Compiling serde_derive v1.0.125
[INFO] [stderr]     Checking serde v1.0.125
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking serde_yaml v0.8.17
[INFO] [stderr]     Checking serde_test v1.0.125
[INFO] [stderr]     Checking fbhash v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking assert_cmd v0.10.2
[INFO] [stdout] warning: unused import: `predicates::prelude::*`
[INFO] [stdout]   --> tests/integration.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 | use predicates::prelude::*;
[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] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 05s
[INFO] running `Command { std: "docker" "inspect" "dac6e72681da4caa293cb3d4bf3c2c4d428ca6e6a755562f37e295cd49c8582e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dac6e72681da4caa293cb3d4bf3c2c4d428ca6e6a755562f37e295cd49c8582e", kill_on_drop: false }`
[INFO] [stdout] dac6e72681da4caa293cb3d4bf3c2c4d428ca6e6a755562f37e295cd49c8582e