[INFO] cloning repository https://github.com/gregfolker/rust-slices
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/gregfolker/rust-slices" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgregfolker%2Frust-slices", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgregfolker%2Frust-slices'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 668970eaef516cb8cfd8653f4b0b5137a9c2c457
[INFO] testing gregfolker/rust-slices against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgregfolker%2Frust-slices" "/workspace/builds/worker-116/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-116/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/gregfolker/rust-slices on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/gregfolker/rust-slices
[INFO] finished tweaking git repo https://github.com/gregfolker/rust-slices
[INFO] tweaked toml for git repo https://github.com/gregfolker/rust-slices written to /workspace/builds/worker-116/source/Cargo.toml
[INFO] crate git repo https://github.com/gregfolker/rust-slices already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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-116/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-116/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1ce87eeb4f84b6eec21947a2d3e083352f7ade3326084f7647b55819b0805f5a
[INFO] running `Command { std: "docker" "start" "-a" "1ce87eeb4f84b6eec21947a2d3e083352f7ade3326084f7647b55819b0805f5a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1ce87eeb4f84b6eec21947a2d3e083352f7ade3326084f7647b55819b0805f5a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ce87eeb4f84b6eec21947a2d3e083352f7ade3326084f7647b55819b0805f5a", kill_on_drop: false }`
[INFO] [stdout] 1ce87eeb4f84b6eec21947a2d3e083352f7ade3326084f7647b55819b0805f5a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-116/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-116/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0ea9980d2703b964e7e748c4399c83ba419fc84bdc56538b72740482efa64e6a
[INFO] running `Command { std: "docker" "start" "-a" "0ea9980d2703b964e7e748c4399c83ba419fc84bdc56538b72740482efa64e6a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling slices v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.64s
[INFO] running `Command { std: "docker" "inspect" "0ea9980d2703b964e7e748c4399c83ba419fc84bdc56538b72740482efa64e6a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0ea9980d2703b964e7e748c4399c83ba419fc84bdc56538b72740482efa64e6a", kill_on_drop: false }`
[INFO] [stdout] 0ea9980d2703b964e7e748c4399c83ba419fc84bdc56538b72740482efa64e6a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-116/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-116/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3a6cb1812354ddb9cad87ff11dd086e97f9ee182d8cd0f0ab7e9330c0cb9b6b7
[INFO] running `Command { std: "docker" "start" "-a" "3a6cb1812354ddb9cad87ff11dd086e97f9ee182d8cd0f0ab7e9330c0cb9b6b7", kill_on_drop: false }`
[INFO] [stderr]    Compiling slices v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.46s
[INFO] running `Command { std: "docker" "inspect" "3a6cb1812354ddb9cad87ff11dd086e97f9ee182d8cd0f0ab7e9330c0cb9b6b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a6cb1812354ddb9cad87ff11dd086e97f9ee182d8cd0f0ab7e9330c0cb9b6b7", kill_on_drop: false }`
[INFO] [stdout] 3a6cb1812354ddb9cad87ff11dd086e97f9ee182d8cd0f0ab7e9330c0cb9b6b7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-116/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-116/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f98dd7a914af268c4648ec13b727968c79d3c37a72e9c069acd859547ec7f577
[INFO] running `Command { std: "docker" "start" "-a" "f98dd7a914af268c4648ec13b727968c79d3c37a72e9c069acd859547ec7f577", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.85s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/slices-20fdb5a337f5c94a)
[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" "f98dd7a914af268c4648ec13b727968c79d3c37a72e9c069acd859547ec7f577", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f98dd7a914af268c4648ec13b727968c79d3c37a72e9c069acd859547ec7f577", kill_on_drop: false }`
[INFO] [stdout] f98dd7a914af268c4648ec13b727968c79d3c37a72e9c069acd859547ec7f577