[INFO] fetching crate tabset 0.1.0...
[INFO] testing tabset-0.1.0 against 1.60.0 for beta-1.61-1
[INFO] extracting crate tabset 0.1.0 into /workspace/builds/worker-21/source
[INFO] validating manifest of crates.io crate tabset 0.1.0 on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tabset 0.1.0
[INFO] finished tweaking crates.io crate tabset 0.1.0
[INFO] tweaked toml for crates.io crate tabset 0.1.0 written to /workspace/builds/worker-21/source/Cargo.toml
[INFO] crate crates.io crate tabset 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ec753538298bd3312df8d4df75403c4c9db8a6a094bdcc4336d5ff93501b2538
[INFO] running `Command { std: "docker" "start" "-a" "ec753538298bd3312df8d4df75403c4c9db8a6a094bdcc4336d5ff93501b2538", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ec753538298bd3312df8d4df75403c4c9db8a6a094bdcc4336d5ff93501b2538", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec753538298bd3312df8d4df75403c4c9db8a6a094bdcc4336d5ff93501b2538", kill_on_drop: false }`
[INFO] [stdout] ec753538298bd3312df8d4df75403c4c9db8a6a094bdcc4336d5ff93501b2538
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 58c99127b21b5482e71318d89bcefedb26e01b4f46a53bef218249517522badc
[INFO] running `Command { std: "docker" "start" "-a" "58c99127b21b5482e71318d89bcefedb26e01b4f46a53bef218249517522badc", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.113
[INFO] [stderr]    Compiling ansi_term v0.12.1
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling dirs-sys v0.3.6
[INFO] [stderr]    Compiling colored v2.0.0
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]    Compiling directories v4.0.1
[INFO] [stderr]    Compiling tabset v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.00s
[INFO] running `Command { std: "docker" "inspect" "58c99127b21b5482e71318d89bcefedb26e01b4f46a53bef218249517522badc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "58c99127b21b5482e71318d89bcefedb26e01b4f46a53bef218249517522badc", kill_on_drop: false }`
[INFO] [stdout] 58c99127b21b5482e71318d89bcefedb26e01b4f46a53bef218249517522badc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6b54d99c313215d2ee20fec6f8b4568169edd1f46c22733c75c98cb450193e1f
[INFO] running `Command { std: "docker" "start" "-a" "6b54d99c313215d2ee20fec6f8b4568169edd1f46c22733c75c98cb450193e1f", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling tabset v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.59s
[INFO] running `Command { std: "docker" "inspect" "6b54d99c313215d2ee20fec6f8b4568169edd1f46c22733c75c98cb450193e1f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b54d99c313215d2ee20fec6f8b4568169edd1f46c22733c75c98cb450193e1f", kill_on_drop: false }`
[INFO] [stdout] 6b54d99c313215d2ee20fec6f8b4568169edd1f46c22733c75c98cb450193e1f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 8a1b2ed5c25f35ceb6ceab15d3e9e6891f3213ecb02dcf991cdba4cbf7c006f6
[INFO] running `Command { std: "docker" "start" "-a" "8a1b2ed5c25f35ceb6ceab15d3e9e6891f3213ecb02dcf991cdba4cbf7c006f6", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/tabset-37cbc8badecfc3c9)
[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" "8a1b2ed5c25f35ceb6ceab15d3e9e6891f3213ecb02dcf991cdba4cbf7c006f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a1b2ed5c25f35ceb6ceab15d3e9e6891f3213ecb02dcf991cdba4cbf7c006f6", kill_on_drop: false }`
[INFO] [stdout] 8a1b2ed5c25f35ceb6ceab15d3e9e6891f3213ecb02dcf991cdba4cbf7c006f6