[INFO] fetching crate ub 0.1.0...
[INFO] testing ub-0.1.0 against try#ce59db7a1b1b012fb2793c4641c1bdecad7a128b for pr-85530
[INFO] extracting crate ub 0.1.0 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate ub 0.1.0 on toolchain ce59db7a1b1b012fb2793c4641c1bdecad7a128b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ub 0.1.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate ub 0.1.0
[INFO] tweaked toml for crates.io crate ub 0.1.0 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate crates.io crate ub 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 70543b2e90fed1a2300fb340e5c7566beb932e1d868c86da9295b203a5a5d523
[INFO] running `Command { std: "docker" "start" "-a" "70543b2e90fed1a2300fb340e5c7566beb932e1d868c86da9295b203a5a5d523", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "70543b2e90fed1a2300fb340e5c7566beb932e1d868c86da9295b203a5a5d523", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "70543b2e90fed1a2300fb340e5c7566beb932e1d868c86da9295b203a5a5d523", kill_on_drop: false }`
[INFO] [stdout] 70543b2e90fed1a2300fb340e5c7566beb932e1d868c86da9295b203a5a5d523
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 55aecd6b82fd1e847fb8532d4bfc567b15d2aa267b351825448b393fd3ceff17
[INFO] running `Command { std: "docker" "start" "-a" "55aecd6b82fd1e847fb8532d4bfc567b15d2aa267b351825448b393fd3ceff17", kill_on_drop: false }`
[INFO] [stderr]    Compiling ub v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.62s
[INFO] running `Command { std: "docker" "inspect" "55aecd6b82fd1e847fb8532d4bfc567b15d2aa267b351825448b393fd3ceff17", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "55aecd6b82fd1e847fb8532d4bfc567b15d2aa267b351825448b393fd3ceff17", kill_on_drop: false }`
[INFO] [stdout] 55aecd6b82fd1e847fb8532d4bfc567b15d2aa267b351825448b393fd3ceff17
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 792f6ac50e92cf4f09dd4bf5af0bafe6716ee7a90e18c2534d40c90959cc822d
[INFO] running `Command { std: "docker" "start" "-a" "792f6ac50e92cf4f09dd4bf5af0bafe6716ee7a90e18c2534d40c90959cc822d", kill_on_drop: false }`
[INFO] [stderr]    Compiling ub v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.93s
[INFO] running `Command { std: "docker" "inspect" "792f6ac50e92cf4f09dd4bf5af0bafe6716ee7a90e18c2534d40c90959cc822d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "792f6ac50e92cf4f09dd4bf5af0bafe6716ee7a90e18c2534d40c90959cc822d", kill_on_drop: false }`
[INFO] [stdout] 792f6ac50e92cf4f09dd4bf5af0bafe6716ee7a90e18c2534d40c90959cc822d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 3a63f9031b4bd7373f7be0ec07a82b856f964b6c03e44a1b9f027cb2ec75f6a5
[INFO] running `Command { std: "docker" "start" "-a" "3a63f9031b4bd7373f7be0ec07a82b856f964b6c03e44a1b9f027cb2ec75f6a5", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/ub-21b56724661933ce)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests ub
[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" "3a63f9031b4bd7373f7be0ec07a82b856f964b6c03e44a1b9f027cb2ec75f6a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a63f9031b4bd7373f7be0ec07a82b856f964b6c03e44a1b9f027cb2ec75f6a5", kill_on_drop: false }`
[INFO] [stdout] 3a63f9031b4bd7373f7be0ec07a82b856f964b6c03e44a1b9f027cb2ec75f6a5