[INFO] cloning repository https://github.com/Lainera/ring_buffer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Lainera/ring_buffer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLainera%2Fring_buffer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLainera%2Fring_buffer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1350c6d219acacda2221e69ab2264c41cc705f90
[INFO] testing Lainera/ring_buffer against master#99e3aef02079e9c10583638520cd0c134dc3a01d for pr-85530
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLainera%2Fring_buffer" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Lainera/ring_buffer on toolchain 99e3aef02079e9c10583638520cd0c134dc3a01d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Lainera/ring_buffer
[INFO] finished tweaking git repo https://github.com/Lainera/ring_buffer
[INFO] tweaked toml for git repo https://github.com/Lainera/ring_buffer written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/Lainera/ring_buffer already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] eeed0507320b3b3a8df20459009af60f16928a67a10a2127fe844063a3c0ae59
[INFO] running `Command { std: "docker" "start" "-a" "eeed0507320b3b3a8df20459009af60f16928a67a10a2127fe844063a3c0ae59", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "eeed0507320b3b3a8df20459009af60f16928a67a10a2127fe844063a3c0ae59", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eeed0507320b3b3a8df20459009af60f16928a67a10a2127fe844063a3c0ae59", kill_on_drop: false }`
[INFO] [stdout] eeed0507320b3b3a8df20459009af60f16928a67a10a2127fe844063a3c0ae59
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 316e3bb8fbc91131eb317dc3bf5160089c3a6544f42ed712156339426693b5b2
[INFO] running `Command { std: "docker" "start" "-a" "316e3bb8fbc91131eb317dc3bf5160089c3a6544f42ed712156339426693b5b2", kill_on_drop: false }`
[INFO] [stderr]    Compiling ring_buffer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.09s
[INFO] running `Command { std: "docker" "inspect" "316e3bb8fbc91131eb317dc3bf5160089c3a6544f42ed712156339426693b5b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "316e3bb8fbc91131eb317dc3bf5160089c3a6544f42ed712156339426693b5b2", kill_on_drop: false }`
[INFO] [stdout] 316e3bb8fbc91131eb317dc3bf5160089c3a6544f42ed712156339426693b5b2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8aeb42e5e003411cc21be40a3b233a882ce00bfb79bf5e1a764ef6dab9b5595e
[INFO] running `Command { std: "docker" "start" "-a" "8aeb42e5e003411cc21be40a3b233a882ce00bfb79bf5e1a764ef6dab9b5595e", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling ring_buffer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.62s
[INFO] running `Command { std: "docker" "inspect" "8aeb42e5e003411cc21be40a3b233a882ce00bfb79bf5e1a764ef6dab9b5595e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8aeb42e5e003411cc21be40a3b233a882ce00bfb79bf5e1a764ef6dab9b5595e", kill_on_drop: false }`
[INFO] [stdout] 8aeb42e5e003411cc21be40a3b233a882ce00bfb79bf5e1a764ef6dab9b5595e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d678b60902f3a5d29839720f0b89eee9e1d7d8a647716f6489ccc2d899b4a407
[INFO] running `Command { std: "docker" "start" "-a" "d678b60902f3a5d29839720f0b89eee9e1d7d8a647716f6489ccc2d899b4a407", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/ring_buffer-3a969fb299cebd22)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests ring_buffer
[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] [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" "d678b60902f3a5d29839720f0b89eee9e1d7d8a647716f6489ccc2d899b4a407", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d678b60902f3a5d29839720f0b89eee9e1d7d8a647716f6489ccc2d899b4a407", kill_on_drop: false }`
[INFO] [stdout] d678b60902f3a5d29839720f0b89eee9e1d7d8a647716f6489ccc2d899b4a407