[INFO] fetching crate learn-crate-lib 0.3.0...
[INFO] testing learn-crate-lib-0.3.0 against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210-1
[INFO] extracting crate learn-crate-lib 0.3.0 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate learn-crate-lib 0.3.0
[INFO] finished tweaking crates.io crate learn-crate-lib 0.3.0
[INFO] tweaked toml for crates.io crate learn-crate-lib 0.3.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate learn-crate-lib 0.3.0 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 learn-crate-lib 0.3.0 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-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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ceedeb1eed3169561bc925cdeb4b7b4f0293fe3d2fcaca9797b48ca74b7f4136
[INFO] running `Command { std: "docker" "start" "-a" "ceedeb1eed3169561bc925cdeb4b7b4f0293fe3d2fcaca9797b48ca74b7f4136", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ceedeb1eed3169561bc925cdeb4b7b4f0293fe3d2fcaca9797b48ca74b7f4136", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ceedeb1eed3169561bc925cdeb4b7b4f0293fe3d2fcaca9797b48ca74b7f4136", kill_on_drop: false }`
[INFO] [stdout] ceedeb1eed3169561bc925cdeb4b7b4f0293fe3d2fcaca9797b48ca74b7f4136
[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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f91b89f1c9a96f92f824b3ac66be6e88f580d5d3c02fb84a9d6ec4b967851b28
[INFO] running `Command { std: "docker" "start" "-a" "f91b89f1c9a96f92f824b3ac66be6e88f580d5d3c02fb84a9d6ec4b967851b28", kill_on_drop: false }`
[INFO] [stderr]    Compiling learn-crate-lib v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.17s
[INFO] running `Command { std: "docker" "inspect" "f91b89f1c9a96f92f824b3ac66be6e88f580d5d3c02fb84a9d6ec4b967851b28", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f91b89f1c9a96f92f824b3ac66be6e88f580d5d3c02fb84a9d6ec4b967851b28", kill_on_drop: false }`
[INFO] [stdout] f91b89f1c9a96f92f824b3ac66be6e88f580d5d3c02fb84a9d6ec4b967851b28
[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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dde957091d4ad366524bd3e885ccf2a5da63174f1dc6c13d130306a8c0057efb
[INFO] running `Command { std: "docker" "start" "-a" "dde957091d4ad366524bd3e885ccf2a5da63174f1dc6c13d130306a8c0057efb", kill_on_drop: false }`
[INFO] [stderr]    Compiling learn-crate-lib v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.46s
[INFO] running `Command { std: "docker" "inspect" "dde957091d4ad366524bd3e885ccf2a5da63174f1dc6c13d130306a8c0057efb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dde957091d4ad366524bd3e885ccf2a5da63174f1dc6c13d130306a8c0057efb", kill_on_drop: false }`
[INFO] [stdout] dde957091d4ad366524bd3e885ccf2a5da63174f1dc6c13d130306a8c0057efb
[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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 511386c4cbc3b1d3446416e411b17ca3014b224e500220ec71e13f575a8a639c
[INFO] running `Command { std: "docker" "start" "-a" "511386c4cbc3b1d3446416e411b17ca3014b224e500220ec71e13f575a8a639c", kill_on_drop: false }`
[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]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/learn_crate_lib-5c5bec94b511dfc4)
[INFO] [stderr]    Doc-tests learn_crate_lib
[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" "511386c4cbc3b1d3446416e411b17ca3014b224e500220ec71e13f575a8a639c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "511386c4cbc3b1d3446416e411b17ca3014b224e500220ec71e13f575a8a639c", kill_on_drop: false }`
[INFO] [stdout] 511386c4cbc3b1d3446416e411b17ca3014b224e500220ec71e13f575a8a639c