[INFO] cloning repository https://github.com/mexus/rust-random-duplicates
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mexus/rust-random-duplicates" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmexus%2Frust-random-duplicates", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmexus%2Frust-random-duplicates'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 33b3d248f7f3ac24f3d6862571ffef30b972311c
[INFO] testing mexus/rust-random-duplicates against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmexus%2Frust-random-duplicates" "/workspace/builds/worker-32/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-32/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mexus/rust-random-duplicates on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mexus/rust-random-duplicates
[INFO] finished tweaking git repo https://github.com/mexus/rust-random-duplicates
[INFO] tweaked toml for git repo https://github.com/mexus/rust-random-duplicates written to /workspace/builds/worker-32/source/Cargo.toml
[INFO] crate git repo https://github.com/mexus/rust-random-duplicates already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-32/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-32/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c65ea875662b2efd4698a5948bb94295020cc8a2bd62851c62dd872495043ed0
[INFO] running `Command { std: "docker" "start" "-a" "c65ea875662b2efd4698a5948bb94295020cc8a2bd62851c62dd872495043ed0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c65ea875662b2efd4698a5948bb94295020cc8a2bd62851c62dd872495043ed0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c65ea875662b2efd4698a5948bb94295020cc8a2bd62851c62dd872495043ed0", kill_on_drop: false }`
[INFO] [stdout] c65ea875662b2efd4698a5948bb94295020cc8a2bd62851c62dd872495043ed0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-32/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-32/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 11a94c4bbea42bdb1ce0395095fedf1fe4b0b13c438620d06fdc29d6d5a4f3b5
[INFO] running `Command { std: "docker" "start" "-a" "11a94c4bbea42bdb1ce0395095fedf1fe4b0b13c438620d06fdc29d6d5a4f3b5", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.36
[INFO] [stderr]    Compiling rand v0.4.2
[INFO] [stderr]    Compiling random-ints v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.92s
[INFO] running `Command { std: "docker" "inspect" "11a94c4bbea42bdb1ce0395095fedf1fe4b0b13c438620d06fdc29d6d5a4f3b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "11a94c4bbea42bdb1ce0395095fedf1fe4b0b13c438620d06fdc29d6d5a4f3b5", kill_on_drop: false }`
[INFO] [stdout] 11a94c4bbea42bdb1ce0395095fedf1fe4b0b13c438620d06fdc29d6d5a4f3b5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-32/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-32/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d08569603ea9dd9b702a8295ca190dbd57868799f90040e891cb66aa644aa5d0
[INFO] running `Command { std: "docker" "start" "-a" "d08569603ea9dd9b702a8295ca190dbd57868799f90040e891cb66aa644aa5d0", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling random-ints v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.77s
[INFO] running `Command { std: "docker" "inspect" "d08569603ea9dd9b702a8295ca190dbd57868799f90040e891cb66aa644aa5d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d08569603ea9dd9b702a8295ca190dbd57868799f90040e891cb66aa644aa5d0", kill_on_drop: false }`
[INFO] [stdout] d08569603ea9dd9b702a8295ca190dbd57868799f90040e891cb66aa644aa5d0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-32/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-32/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 2459a7842f4f312e6284690de990201f6cbf07820c1143851d95c382ea9105a0
[INFO] running `Command { std: "docker" "start" "-a" "2459a7842f4f312e6284690de990201f6cbf07820c1143851d95c382ea9105a0", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 16.92s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/random_ints-87d4ef20ded79c2c)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "2459a7842f4f312e6284690de990201f6cbf07820c1143851d95c382ea9105a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2459a7842f4f312e6284690de990201f6cbf07820c1143851d95c382ea9105a0", kill_on_drop: false }`
[INFO] [stdout] 2459a7842f4f312e6284690de990201f6cbf07820c1143851d95c382ea9105a0