[INFO] fetching crate history-buffer 0.1.2...
[INFO] testing history-buffer-0.1.2 against 1.60.0 for beta-1.61-1
[INFO] extracting crate history-buffer 0.1.2 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate history-buffer 0.1.2 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 history-buffer 0.1.2
[INFO] finished tweaking crates.io crate history-buffer 0.1.2
[INFO] tweaked toml for crates.io crate history-buffer 0.1.2 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] b0003c39f5fdd9afa649e0f5e9bc35822fe3d7bcd8f9088411ce536325d3b9bb
[INFO] running `Command { std: "docker" "start" "-a" "b0003c39f5fdd9afa649e0f5e9bc35822fe3d7bcd8f9088411ce536325d3b9bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b0003c39f5fdd9afa649e0f5e9bc35822fe3d7bcd8f9088411ce536325d3b9bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b0003c39f5fdd9afa649e0f5e9bc35822fe3d7bcd8f9088411ce536325d3b9bb", kill_on_drop: false }`
[INFO] [stdout] b0003c39f5fdd9afa649e0f5e9bc35822fe3d7bcd8f9088411ce536325d3b9bb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 041620ca0a26524d8404f90eff4c8de71ea4c90348b8399b29fe6975f3897638
[INFO] running `Command { std: "docker" "start" "-a" "041620ca0a26524d8404f90eff4c8de71ea4c90348b8399b29fe6975f3897638", kill_on_drop: false }`
[INFO] [stderr]    Compiling history-buffer v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.55s
[INFO] running `Command { std: "docker" "inspect" "041620ca0a26524d8404f90eff4c8de71ea4c90348b8399b29fe6975f3897638", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "041620ca0a26524d8404f90eff4c8de71ea4c90348b8399b29fe6975f3897638", kill_on_drop: false }`
[INFO] [stdout] 041620ca0a26524d8404f90eff4c8de71ea4c90348b8399b29fe6975f3897638
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] aa2b3cfae3a60eca85cf3f497d022b353666f6b28973ba1f187ddb974ba39019
[INFO] running `Command { std: "docker" "start" "-a" "aa2b3cfae3a60eca85cf3f497d022b353666f6b28973ba1f187ddb974ba39019", kill_on_drop: false }`
[INFO] [stderr]    Compiling history-buffer v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.40s
[INFO] running `Command { std: "docker" "inspect" "aa2b3cfae3a60eca85cf3f497d022b353666f6b28973ba1f187ddb974ba39019", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa2b3cfae3a60eca85cf3f497d022b353666f6b28973ba1f187ddb974ba39019", kill_on_drop: false }`
[INFO] [stdout] aa2b3cfae3a60eca85cf3f497d022b353666f6b28973ba1f187ddb974ba39019
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 24747895f0e92f4aeeba1bab5c7c5c2e4af6deadea66c2ad1dce1e51c0672699
[INFO] running `Command { std: "docker" "start" "-a" "24747895f0e92f4aeeba1bab5c7c5c2e4af6deadea66c2ad1dce1e51c0672699", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/history_buffer-665d668086674d74)
[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] [stderr]    Doc-tests history-buffer
[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" "24747895f0e92f4aeeba1bab5c7c5c2e4af6deadea66c2ad1dce1e51c0672699", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "24747895f0e92f4aeeba1bab5c7c5c2e4af6deadea66c2ad1dce1e51c0672699", kill_on_drop: false }`
[INFO] [stdout] 24747895f0e92f4aeeba1bab5c7c5c2e4af6deadea66c2ad1dce1e51c0672699