[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 try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnixwork%2Frust-learning-slice" "/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/nixwork/rust-learning-slice on toolchain 722e1797249a965b6335aebd65d777f917e498f1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "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-4/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" "+722e1797249a965b6335aebd65d777f917e498f1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] cf2eeed6c4c6ab4e1afc415ca721f8da116959d2fc436ec2c823411f82a5a4d2
[INFO] running `Command { std: "docker" "start" "-a" "cf2eeed6c4c6ab4e1afc415ca721f8da116959d2fc436ec2c823411f82a5a4d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cf2eeed6c4c6ab4e1afc415ca721f8da116959d2fc436ec2c823411f82a5a4d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf2eeed6c4c6ab4e1afc415ca721f8da116959d2fc436ec2c823411f82a5a4d2", kill_on_drop: false }`
[INFO] [stdout] cf2eeed6c4c6ab4e1afc415ca721f8da116959d2fc436ec2c823411f82a5a4d2
[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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 4473473994d2ae5adc9b560d3105f1b1ee85d119f02c01b65c7726aa06b5e113
[INFO] running `Command { std: "docker" "start" "-a" "4473473994d2ae5adc9b560d3105f1b1ee85d119f02c01b65c7726aa06b5e113", kill_on_drop: false }`
[INFO] [stderr]    Compiling slice v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.99s
[INFO] running `Command { std: "docker" "inspect" "4473473994d2ae5adc9b560d3105f1b1ee85d119f02c01b65c7726aa06b5e113", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4473473994d2ae5adc9b560d3105f1b1ee85d119f02c01b65c7726aa06b5e113", kill_on_drop: false }`
[INFO] [stdout] 4473473994d2ae5adc9b560d3105f1b1ee85d119f02c01b65c7726aa06b5e113
[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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6d4f5283c9b057f4d12c56d6c17309bebf4d2f04382339b29a5fbce62ce321f2
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "6d4f5283c9b057f4d12c56d6c17309bebf4d2f04382339b29a5fbce62ce321f2", kill_on_drop: false }`
[INFO] [stderr]    Compiling slice v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.81s
[INFO] running `Command { std: "docker" "inspect" "6d4f5283c9b057f4d12c56d6c17309bebf4d2f04382339b29a5fbce62ce321f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6d4f5283c9b057f4d12c56d6c17309bebf4d2f04382339b29a5fbce62ce321f2", kill_on_drop: false }`
[INFO] [stdout] 6d4f5283c9b057f4d12c56d6c17309bebf4d2f04382339b29a5fbce62ce321f2
[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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] dac07ae256c2785e55f44cacb9ae46403b9f69d608b58053c9e1f36f52165a6c
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "dac07ae256c2785e55f44cacb9ae46403b9f69d608b58053c9e1f36f52165a6c", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/slice-813d901f62940907)
[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" "dac07ae256c2785e55f44cacb9ae46403b9f69d608b58053c9e1f36f52165a6c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dac07ae256c2785e55f44cacb9ae46403b9f69d608b58053c9e1f36f52165a6c", kill_on_drop: false }`
[INFO] [stdout] dac07ae256c2785e55f44cacb9ae46403b9f69d608b58053c9e1f36f52165a6c