[INFO] fetching crate libcnab 0.0.0-prerelease...
[INFO] testing libcnab-0.0.0-prerelease against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210-1
[INFO] extracting crate libcnab 0.0.0-prerelease into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate libcnab 0.0.0-prerelease
[INFO] finished tweaking crates.io crate libcnab 0.0.0-prerelease
[INFO] tweaked toml for crates.io crate libcnab 0.0.0-prerelease written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate libcnab 0.0.0-prerelease 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] acead42e24d88b505ffc1f09b9ea6f5031684440fd0bf99fdcca1be9736d9bb9
[INFO] running `Command { std: "docker" "start" "-a" "acead42e24d88b505ffc1f09b9ea6f5031684440fd0bf99fdcca1be9736d9bb9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "acead42e24d88b505ffc1f09b9ea6f5031684440fd0bf99fdcca1be9736d9bb9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "acead42e24d88b505ffc1f09b9ea6f5031684440fd0bf99fdcca1be9736d9bb9", kill_on_drop: false }`
[INFO] [stdout] acead42e24d88b505ffc1f09b9ea6f5031684440fd0bf99fdcca1be9736d9bb9
[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] a2011d43ff7cda74c56d387e1b72a650babe123d784157f07b5e80552a119bd0
[INFO] running `Command { std: "docker" "start" "-a" "a2011d43ff7cda74c56d387e1b72a650babe123d784157f07b5e80552a119bd0", kill_on_drop: false }`
[INFO] [stderr]    Compiling libcnab v0.0.0-prerelease (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.29s
[INFO] running `Command { std: "docker" "inspect" "a2011d43ff7cda74c56d387e1b72a650babe123d784157f07b5e80552a119bd0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a2011d43ff7cda74c56d387e1b72a650babe123d784157f07b5e80552a119bd0", kill_on_drop: false }`
[INFO] [stdout] a2011d43ff7cda74c56d387e1b72a650babe123d784157f07b5e80552a119bd0
[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] 847cc6dd85a40466d8fe68d9d96a49a6d1af86f06bf35b123dfea6117c9c0b4b
[INFO] running `Command { std: "docker" "start" "-a" "847cc6dd85a40466d8fe68d9d96a49a6d1af86f06bf35b123dfea6117c9c0b4b", kill_on_drop: false }`
[INFO] [stderr]    Compiling libcnab v0.0.0-prerelease (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.20s
[INFO] running `Command { std: "docker" "inspect" "847cc6dd85a40466d8fe68d9d96a49a6d1af86f06bf35b123dfea6117c9c0b4b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "847cc6dd85a40466d8fe68d9d96a49a6d1af86f06bf35b123dfea6117c9c0b4b", kill_on_drop: false }`
[INFO] [stdout] 847cc6dd85a40466d8fe68d9d96a49a6d1af86f06bf35b123dfea6117c9c0b4b
[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] d33eea084acafbb28eb873dfc6ade0f8908ea686cab404f5258eeaefb172d31c
[INFO] running `Command { std: "docker" "start" "-a" "d33eea084acafbb28eb873dfc6ade0f8908ea686cab404f5258eeaefb172d31c", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/libcnab-b92ac678a0b40797)
[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" "d33eea084acafbb28eb873dfc6ade0f8908ea686cab404f5258eeaefb172d31c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d33eea084acafbb28eb873dfc6ade0f8908ea686cab404f5258eeaefb172d31c", kill_on_drop: false }`
[INFO] [stdout] d33eea084acafbb28eb873dfc6ade0f8908ea686cab404f5258eeaefb172d31c