[INFO] fetching crate monotone-crescendo 1.0.4...
[INFO] testing monotone-crescendo-1.0.4 against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210-2
[INFO] extracting crate monotone-crescendo 1.0.4 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate monotone-crescendo 1.0.4
[INFO] finished tweaking crates.io crate monotone-crescendo 1.0.4
[INFO] tweaked toml for crates.io crate monotone-crescendo 1.0.4 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate monotone-crescendo 1.0.4 on toolchain dec9417b8611e34e787a3e4c37686b5131f9e5c5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ba201011758019f51137a1b782739e94ecc99d4ac19a302a8eb4ebc2a3f7fff1
[INFO] running `Command { std: "docker" "start" "-a" "ba201011758019f51137a1b782739e94ecc99d4ac19a302a8eb4ebc2a3f7fff1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ba201011758019f51137a1b782739e94ecc99d4ac19a302a8eb4ebc2a3f7fff1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ba201011758019f51137a1b782739e94ecc99d4ac19a302a8eb4ebc2a3f7fff1", kill_on_drop: false }`
[INFO] [stdout] ba201011758019f51137a1b782739e94ecc99d4ac19a302a8eb4ebc2a3f7fff1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a1475763c6c56a1f54f7c22964b02db3d649fe59ea2a4c3b6f20433eb02b210b
[INFO] running `Command { std: "docker" "start" "-a" "a1475763c6c56a1f54f7c22964b02db3d649fe59ea2a4c3b6f20433eb02b210b", kill_on_drop: false }`
[INFO] [stderr]    Compiling monotone-crescendo v1.0.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.45s
[INFO] running `Command { std: "docker" "inspect" "a1475763c6c56a1f54f7c22964b02db3d649fe59ea2a4c3b6f20433eb02b210b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a1475763c6c56a1f54f7c22964b02db3d649fe59ea2a4c3b6f20433eb02b210b", kill_on_drop: false }`
[INFO] [stdout] a1475763c6c56a1f54f7c22964b02db3d649fe59ea2a4c3b6f20433eb02b210b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3d072a221ae26a2a0cc1049489b8c60ab0705ef755f619707c196180b92e7b2d
[INFO] running `Command { std: "docker" "start" "-a" "3d072a221ae26a2a0cc1049489b8c60ab0705ef755f619707c196180b92e7b2d", kill_on_drop: false }`
[INFO] [stderr]    Compiling monotone-crescendo v1.0.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.60s
[INFO] running `Command { std: "docker" "inspect" "3d072a221ae26a2a0cc1049489b8c60ab0705ef755f619707c196180b92e7b2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d072a221ae26a2a0cc1049489b8c60ab0705ef755f619707c196180b92e7b2d", kill_on_drop: false }`
[INFO] [stdout] 3d072a221ae26a2a0cc1049489b8c60ab0705ef755f619707c196180b92e7b2d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ef3463ba52b4b14774c8bec605ad97618a43dcb74323e73edfca59339569b11d
[INFO] running `Command { std: "docker" "start" "-a" "ef3463ba52b4b14774c8bec605ad97618a43dcb74323e73edfca59339569b11d", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/monotone_crescendo-aba9e9aad673116e)
[INFO] [stderr] free(): invalid next size (fast)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/deps/monotone_crescendo-aba9e9aad673116e` (signal: 6, SIGABRT: process abort signal)
[INFO] running `Command { std: "docker" "inspect" "ef3463ba52b4b14774c8bec605ad97618a43dcb74323e73edfca59339569b11d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef3463ba52b4b14774c8bec605ad97618a43dcb74323e73edfca59339569b11d", kill_on_drop: false }`
[INFO] [stdout] ef3463ba52b4b14774c8bec605ad97618a43dcb74323e73edfca59339569b11d