[INFO] cloning repository https://github.com/nixwork/rust-learning-slice
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nixwork/rust-learning-slice" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnixwork%2Frust-learning-slice", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnixwork%2Frust-learning-slice'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 70b1e07144248dc01edfdfea3239f8709e4ee42c
[INFO] testing nixwork/rust-learning-slice against master#b70888601af92f6cdc0364abab3446e418b91d36 for pr-86479
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnixwork%2Frust-learning-slice" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/nixwork/rust-learning-slice 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/nixwork/rust-learning-slice
[INFO] finished tweaking git repo https://github.com/nixwork/rust-learning-slice
[INFO] tweaked toml for git repo https://github.com/nixwork/rust-learning-slice written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/nixwork/rust-learning-slice 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-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] de83f3d0822ee4d8d8524c7d85153d512f5d580818ed0d34ee940487cd734f7f
[INFO] running `Command { std: "docker" "start" "-a" "de83f3d0822ee4d8d8524c7d85153d512f5d580818ed0d34ee940487cd734f7f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "de83f3d0822ee4d8d8524c7d85153d512f5d580818ed0d34ee940487cd734f7f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de83f3d0822ee4d8d8524c7d85153d512f5d580818ed0d34ee940487cd734f7f", kill_on_drop: false }`
[INFO] [stdout] de83f3d0822ee4d8d8524c7d85153d512f5d580818ed0d34ee940487cd734f7f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] a352d4ca980651fcaf6aaa649aff4d352c263f4a15aaf56202250067ccfb7cbd
[INFO] running `Command { std: "docker" "start" "-a" "a352d4ca980651fcaf6aaa649aff4d352c263f4a15aaf56202250067ccfb7cbd", kill_on_drop: false }`
[INFO] [stderr]    Compiling slice v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.62s
[INFO] running `Command { std: "docker" "inspect" "a352d4ca980651fcaf6aaa649aff4d352c263f4a15aaf56202250067ccfb7cbd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a352d4ca980651fcaf6aaa649aff4d352c263f4a15aaf56202250067ccfb7cbd", kill_on_drop: false }`
[INFO] [stdout] a352d4ca980651fcaf6aaa649aff4d352c263f4a15aaf56202250067ccfb7cbd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] bfaa16e1b0c2b276cbed62e6314fa2ace8f6f250edc92b75bc1c085d61a9f755
[INFO] running `Command { std: "docker" "start" "-a" "bfaa16e1b0c2b276cbed62e6314fa2ace8f6f250edc92b75bc1c085d61a9f755", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling slice v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.46s
[INFO] running `Command { std: "docker" "inspect" "bfaa16e1b0c2b276cbed62e6314fa2ace8f6f250edc92b75bc1c085d61a9f755", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bfaa16e1b0c2b276cbed62e6314fa2ace8f6f250edc92b75bc1c085d61a9f755", kill_on_drop: false }`
[INFO] [stdout] bfaa16e1b0c2b276cbed62e6314fa2ace8f6f250edc92b75bc1c085d61a9f755
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] 9b44f70fdf478d6d9d53759e69a5fa8400a35712627f6958097bf85984a7513f
[INFO] running `Command { std: "docker" "start" "-a" "9b44f70fdf478d6d9d53759e69a5fa8400a35712627f6958097bf85984a7513f", 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/slice-78ec14ef791ce12c)
[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" "9b44f70fdf478d6d9d53759e69a5fa8400a35712627f6958097bf85984a7513f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b44f70fdf478d6d9d53759e69a5fa8400a35712627f6958097bf85984a7513f", kill_on_drop: false }`
[INFO] [stdout] 9b44f70fdf478d6d9d53759e69a5fa8400a35712627f6958097bf85984a7513f