[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 master#b70888601af92f6cdc0364abab3446e418b91d36 for pr-86479
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmexus%2Frust-random-duplicates" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mexus/rust-random-duplicates on toolchain b70888601af92f6cdc0364abab3446e418b91d36
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "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-6/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" "+b70888601af92f6cdc0364abab3446e418b91d36" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e796b6259b629ecaa53b025e2a67e0f22ae5be4b1cac44f4605a134808d477d1
[INFO] running `Command { std: "docker" "start" "-a" "e796b6259b629ecaa53b025e2a67e0f22ae5be4b1cac44f4605a134808d477d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e796b6259b629ecaa53b025e2a67e0f22ae5be4b1cac44f4605a134808d477d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e796b6259b629ecaa53b025e2a67e0f22ae5be4b1cac44f4605a134808d477d1", kill_on_drop: false }`
[INFO] [stdout] e796b6259b629ecaa53b025e2a67e0f22ae5be4b1cac44f4605a134808d477d1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 77d907094adb98c5da9a4120db60e8cf32ebbaa36ccae0f4a371c3848d2e67a4
[INFO] running `Command { std: "docker" "start" "-a" "77d907094adb98c5da9a4120db60e8cf32ebbaa36ccae0f4a371c3848d2e67a4", kill_on_drop: false }`
[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 2.60s
[INFO] running `Command { std: "docker" "inspect" "77d907094adb98c5da9a4120db60e8cf32ebbaa36ccae0f4a371c3848d2e67a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "77d907094adb98c5da9a4120db60e8cf32ebbaa36ccae0f4a371c3848d2e67a4", kill_on_drop: false }`
[INFO] [stdout] 77d907094adb98c5da9a4120db60e8cf32ebbaa36ccae0f4a371c3848d2e67a4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6de635d78e61031e75d753a578a90c45d3cf8929417ce8f76d0750e96e198bde
[INFO] running `Command { std: "docker" "start" "-a" "6de635d78e61031e75d753a578a90c45d3cf8929417ce8f76d0750e96e198bde", 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 0.50s
[INFO] running `Command { std: "docker" "inspect" "6de635d78e61031e75d753a578a90c45d3cf8929417ce8f76d0750e96e198bde", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6de635d78e61031e75d753a578a90c45d3cf8929417ce8f76d0750e96e198bde", kill_on_drop: false }`
[INFO] [stdout] 6de635d78e61031e75d753a578a90c45d3cf8929417ce8f76d0750e96e198bde
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c0d6ecece95cdce2b999dcec853151a064830e74e768703aff170096ec02541f
[INFO] running `Command { std: "docker" "start" "-a" "c0d6ecece95cdce2b999dcec853151a064830e74e768703aff170096ec02541f", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/random_ints-66a014dfd23acc95)
[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" "c0d6ecece95cdce2b999dcec853151a064830e74e768703aff170096ec02541f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c0d6ecece95cdce2b999dcec853151a064830e74e768703aff170096ec02541f", kill_on_drop: false }`
[INFO] [stdout] c0d6ecece95cdce2b999dcec853151a064830e74e768703aff170096ec02541f