[INFO] fetching crate oncer 0.1.7...
[INFO] testing oncer-0.1.7 against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210-2
[INFO] extracting crate oncer 0.1.7 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate oncer 0.1.7
[INFO] finished tweaking crates.io crate oncer 0.1.7
[INFO] tweaked toml for crates.io crate oncer 0.1.7 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate oncer 0.1.7 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] crate crates.io crate oncer 0.1.7 already has a lockfile, it will not be regenerated
[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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 64ad4ffd4fc4bf83b13961a7fa7a08a8e2a5bcdde96d57c4a30bee05857ae388
[INFO] running `Command { std: "docker" "start" "-a" "64ad4ffd4fc4bf83b13961a7fa7a08a8e2a5bcdde96d57c4a30bee05857ae388", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "64ad4ffd4fc4bf83b13961a7fa7a08a8e2a5bcdde96d57c4a30bee05857ae388", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "64ad4ffd4fc4bf83b13961a7fa7a08a8e2a5bcdde96d57c4a30bee05857ae388", kill_on_drop: false }`
[INFO] [stdout] 64ad4ffd4fc4bf83b13961a7fa7a08a8e2a5bcdde96d57c4a30bee05857ae388
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 6762a81723e243214c612acf43faf58879fb6d7526f7fcd1dd76b7a4fb7fad7e
[INFO] running `Command { std: "docker" "start" "-a" "6762a81723e243214c612acf43faf58879fb6d7526f7fcd1dd76b7a4fb7fad7e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.180
[INFO] [stderr]    Compiling rustix v1.1.3
[INFO] [stderr]    Compiling env_home v0.1.0
[INFO] [stderr]    Compiling lexopt v0.3.1
[INFO] [stderr]    Compiling nix v0.30.1
[INFO] [stderr]    Compiling nix v0.31.1
[INFO] [stderr]    Compiling which v8.0.0
[INFO] [stderr]    Compiling psutil v5.4.0
[INFO] [stderr]    Compiling oncer v0.1.7 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.85s
[INFO] running `Command { std: "docker" "inspect" "6762a81723e243214c612acf43faf58879fb6d7526f7fcd1dd76b7a4fb7fad7e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6762a81723e243214c612acf43faf58879fb6d7526f7fcd1dd76b7a4fb7fad7e", kill_on_drop: false }`
[INFO] [stdout] 6762a81723e243214c612acf43faf58879fb6d7526f7fcd1dd76b7a4fb7fad7e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 5408c9823d1bee192b893004566f3c8de92847f86fc19b428165e1cb243da185
[INFO] running `Command { std: "docker" "start" "-a" "5408c9823d1bee192b893004566f3c8de92847f86fc19b428165e1cb243da185", kill_on_drop: false }`
[INFO] [stderr]    Compiling oncer v0.1.7 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.40s
[INFO] running `Command { std: "docker" "inspect" "5408c9823d1bee192b893004566f3c8de92847f86fc19b428165e1cb243da185", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5408c9823d1bee192b893004566f3c8de92847f86fc19b428165e1cb243da185", kill_on_drop: false }`
[INFO] [stdout] 5408c9823d1bee192b893004566f3c8de92847f86fc19b428165e1cb243da185
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] ab4ed5c1148b0283fc7b5b36f859eef1242a63ac585218227d14e411ceb692c8
[INFO] running `Command { std: "docker" "start" "-a" "ab4ed5c1148b0283fc7b5b36f859eef1242a63ac585218227d14e411ceb692c8", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/oncer-ac91af0068b58650)
[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" "ab4ed5c1148b0283fc7b5b36f859eef1242a63ac585218227d14e411ceb692c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab4ed5c1148b0283fc7b5b36f859eef1242a63ac585218227d14e411ceb692c8", kill_on_drop: false }`
[INFO] [stdout] ab4ed5c1148b0283fc7b5b36f859eef1242a63ac585218227d14e411ceb692c8