[INFO] fetching crate vc-holder 0.1.0-alpha...
[INFO] testing vc-holder-0.1.0-alpha against try#33835004928d3bf65db4d4712e1330766263b0bd for pr-155739-1
[INFO] extracting crate vc-holder 0.1.0-alpha into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate vc-holder 0.1.0-alpha
[INFO] finished tweaking crates.io crate vc-holder 0.1.0-alpha
[INFO] tweaked toml for crates.io crate vc-holder 0.1.0-alpha written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate vc-holder 0.1.0-alpha on toolchain 33835004928d3bf65db4d4712e1330766263b0bd
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate vc-holder 0.1.0-alpha 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" "+33835004928d3bf65db4d4712e1330766263b0bd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+33835004928d3bf65db4d4712e1330766263b0bd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a7e06b1538e26962bdfe603009b16d19d30da45c942ecb45ebca641abd543b83
[INFO] running `Command { std: "docker" "start" "-a" "a7e06b1538e26962bdfe603009b16d19d30da45c942ecb45ebca641abd543b83", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a7e06b1538e26962bdfe603009b16d19d30da45c942ecb45ebca641abd543b83", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a7e06b1538e26962bdfe603009b16d19d30da45c942ecb45ebca641abd543b83", kill_on_drop: false }`
[INFO] [stdout] a7e06b1538e26962bdfe603009b16d19d30da45c942ecb45ebca641abd543b83
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+33835004928d3bf65db4d4712e1330766263b0bd" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7c9e3314a6716f473fa1ede0a2099b95852bd985f6183edfd1c3211a80cac2bf
[INFO] running `Command { std: "docker" "start" "-a" "7c9e3314a6716f473fa1ede0a2099b95852bd985f6183edfd1c3211a80cac2bf", kill_on_drop: false }`
[INFO] [stderr]    Compiling vc-holder v0.1.0-alpha (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.16s
[INFO] running `Command { std: "docker" "inspect" "7c9e3314a6716f473fa1ede0a2099b95852bd985f6183edfd1c3211a80cac2bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c9e3314a6716f473fa1ede0a2099b95852bd985f6183edfd1c3211a80cac2bf", kill_on_drop: false }`
[INFO] [stdout] 7c9e3314a6716f473fa1ede0a2099b95852bd985f6183edfd1c3211a80cac2bf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+33835004928d3bf65db4d4712e1330766263b0bd" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d407095339d1b3ffa486625769aa94695adc45d6f607da7179e3e01cb44a5a4a
[INFO] running `Command { std: "docker" "start" "-a" "d407095339d1b3ffa486625769aa94695adc45d6f607da7179e3e01cb44a5a4a", kill_on_drop: false }`
[INFO] [stderr]    Compiling vc-holder v0.1.0-alpha (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.28s
[INFO] running `Command { std: "docker" "inspect" "d407095339d1b3ffa486625769aa94695adc45d6f607da7179e3e01cb44a5a4a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d407095339d1b3ffa486625769aa94695adc45d6f607da7179e3e01cb44a5a4a", kill_on_drop: false }`
[INFO] [stdout] d407095339d1b3ffa486625769aa94695adc45d6f607da7179e3e01cb44a5a4a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+33835004928d3bf65db4d4712e1330766263b0bd" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 28e1e1dabf8e8253188b87d8806bbb97b8a24f1d6262a0b27da976bca2dd1a3e
[INFO] running `Command { std: "docker" "start" "-a" "28e1e1dabf8e8253188b87d8806bbb97b8a24f1d6262a0b27da976bca2dd1a3e", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/vc_holder-d07a4354f3551249)
[INFO] [stderr]    Doc-tests vc_holder
[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] [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" "28e1e1dabf8e8253188b87d8806bbb97b8a24f1d6262a0b27da976bca2dd1a3e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "28e1e1dabf8e8253188b87d8806bbb97b8a24f1d6262a0b27da976bca2dd1a3e", kill_on_drop: false }`
[INFO] [stdout] 28e1e1dabf8e8253188b87d8806bbb97b8a24f1d6262a0b27da976bca2dd1a3e
