[INFO] cloning repository https://github.com/clevinson/rustypals
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/clevinson/rustypals" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fclevinson%2Frustypals", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fclevinson%2Frustypals'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f27eec02a24aeb85864819194e70cb73649c6657
[INFO] testing clevinson/rustypals against master#99e3aef02079e9c10583638520cd0c134dc3a01d for pr-85530
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fclevinson%2Frustypals" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/clevinson/rustypals on toolchain 99e3aef02079e9c10583638520cd0c134dc3a01d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/clevinson/rustypals
[INFO] finished tweaking git repo https://github.com/clevinson/rustypals
[INFO] tweaked toml for git repo https://github.com/clevinson/rustypals written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/clevinson/rustypals already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "fetch" "--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-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5634734af39ec447f13b77ba5571b752101659ae224129bf1944c22996faa120
[INFO] running `Command { std: "docker" "start" "-a" "5634734af39ec447f13b77ba5571b752101659ae224129bf1944c22996faa120", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5634734af39ec447f13b77ba5571b752101659ae224129bf1944c22996faa120", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5634734af39ec447f13b77ba5571b752101659ae224129bf1944c22996faa120", kill_on_drop: false }`
[INFO] [stdout] 5634734af39ec447f13b77ba5571b752101659ae224129bf1944c22996faa120
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f1d618a3a11a28a9278473e09db4cfb310112fe2ec734280b8196ab3448afc23
[INFO] running `Command { std: "docker" "start" "-a" "f1d618a3a11a28a9278473e09db4cfb310112fe2ec734280b8196ab3448afc23", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.62
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling getrandom v0.1.12
[INFO] [stderr]    Compiling pkg-config v0.3.16
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling bitflags v1.2.0
[INFO] [stderr]    Compiling openssl v0.10.25
[INFO] [stderr]    Compiling foreign-types-shared v0.1.1
[INFO] [stderr]    Compiling hex v0.4.0
[INFO] [stderr]    Compiling bit-vec v0.6.1
[INFO] [stderr]    Compiling backtrace-sys v0.1.32
[INFO] [stderr]    Compiling itertools v0.8.0
[INFO] [stderr]    Compiling base64 v0.10.1
[INFO] [stderr]    Compiling foreign-types v0.3.2
[INFO] [stderr]    Compiling c2-chacha v0.2.2
[INFO] [stderr]    Compiling proc-macro2 v1.0.6
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]    Compiling openssl-sys v0.9.50
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.1
[INFO] [stderr]    Compiling backtrace v0.3.40
[INFO] [stderr]    Compiling rand v0.7.2
[INFO] [stderr]    Compiling synstructure v0.12.1
[INFO] [stderr]    Compiling failure_derive v0.1.6
[INFO] [stderr]    Compiling failure v0.1.6
[INFO] [stderr]    Compiling rustypals v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `hex`
[INFO] [stdout]  --> src/set1.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use hex;
[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 11.65s
[INFO] running `Command { std: "docker" "inspect" "f1d618a3a11a28a9278473e09db4cfb310112fe2ec734280b8196ab3448afc23", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f1d618a3a11a28a9278473e09db4cfb310112fe2ec734280b8196ab3448afc23", kill_on_drop: false }`
[INFO] [stdout] f1d618a3a11a28a9278473e09db4cfb310112fe2ec734280b8196ab3448afc23
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d2be7e052faab8b1be541d3d38361281f60822d0b48532bd39a8f41107374376
[INFO] running `Command { std: "docker" "start" "-a" "d2be7e052faab8b1be541d3d38361281f60822d0b48532bd39a8f41107374376", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustypals v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.92s
[INFO] running `Command { std: "docker" "inspect" "d2be7e052faab8b1be541d3d38361281f60822d0b48532bd39a8f41107374376", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d2be7e052faab8b1be541d3d38361281f60822d0b48532bd39a8f41107374376", kill_on_drop: false }`
[INFO] [stdout] d2be7e052faab8b1be541d3d38361281f60822d0b48532bd39a8f41107374376
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 5497587024eb5d1e6205032071f49c76905fff8848b7bad057af634f17c8620d
[INFO] running `Command { std: "docker" "start" "-a" "5497587024eb5d1e6205032071f49c76905fff8848b7bad057af634f17c8620d", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rustypals-8dcf4d3ac38bf686)
[INFO] [stdout] 
[INFO] [stdout] running 19 tests
[INFO] [stdout] test set1::exercise_2 ... ok
[INFO] [stdout] test set1::exercise_5 ... ok
[INFO] [stdout] test set1::exercise_7 ... ok
[INFO] [stdout] test set2::exercise_13 ... ok
[INFO] [stdout] test set2::exercise_10 ... ok
[INFO] [stdout] test set2::exercise_15 ... ok
[INFO] [stdout] test set2::exercise_16 ... ok
[INFO] [stdout] test set2::exercise_9 ... ok
[INFO] [stdout] test set3::exercise_18 ... ok
[INFO] [stdout] test set3::exercise_19 ... ok
[INFO] [stdout] test set2::exercise_11 ... ok
[INFO] [stdout] test set1::exercise_3 ... ok
[INFO] [stdout] test set1::exercise_8 ... ok
[INFO] [stdout] test set1::exercise_4 ... ok
[INFO] [stdout] test set2::exercise_12 ... ok
[INFO] [stdout] test set1::exercise_6 ... ok
[INFO] [stdout] test set3::exercise_20 ... ok
[INFO] [stdout] test set2::exercise_14 ... ok
[INFO] [stdout] test set3::exercise_17 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 19 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 2.70s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "5497587024eb5d1e6205032071f49c76905fff8848b7bad057af634f17c8620d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5497587024eb5d1e6205032071f49c76905fff8848b7bad057af634f17c8620d", kill_on_drop: false }`
[INFO] [stdout] 5497587024eb5d1e6205032071f49c76905fff8848b7bad057af634f17c8620d