[INFO] fetching crate flacon 0.0.1...
[INFO] testing flacon-0.0.1 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-7
[INFO] extracting crate flacon 0.0.1 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate flacon 0.0.1
[INFO] finished tweaking crates.io crate flacon 0.0.1
[INFO] tweaked toml for crates.io crate flacon 0.0.1 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate flacon 0.0.1 on toolchain c2e32f1c9652b13ed99608599c1e855462f421f3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate flacon 0.0.1 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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6e35b8e5f86f0c09b8d3484ea5478e6c01332a11f6c2d99f5f08a51718770ffb
[INFO] running `Command { std: "docker" "start" "-a" "6e35b8e5f86f0c09b8d3484ea5478e6c01332a11f6c2d99f5f08a51718770ffb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6e35b8e5f86f0c09b8d3484ea5478e6c01332a11f6c2d99f5f08a51718770ffb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e35b8e5f86f0c09b8d3484ea5478e6c01332a11f6c2d99f5f08a51718770ffb", kill_on_drop: false }`
[INFO] [stdout] 6e35b8e5f86f0c09b8d3484ea5478e6c01332a11f6c2d99f5f08a51718770ffb
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 104f8ced80b7d0c7ce9b896c829cb2c70c9e61a4a74271e24744d0758b3cf658
[INFO] running `Command { std: "docker" "start" "-a" "104f8ced80b7d0c7ce9b896c829cb2c70c9e61a4a74271e24744d0758b3cf658", kill_on_drop: false }`
[INFO] [stderr]    Compiling flacon v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.22s
[INFO] running `Command { std: "docker" "inspect" "104f8ced80b7d0c7ce9b896c829cb2c70c9e61a4a74271e24744d0758b3cf658", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "104f8ced80b7d0c7ce9b896c829cb2c70c9e61a4a74271e24744d0758b3cf658", kill_on_drop: false }`
[INFO] [stdout] 104f8ced80b7d0c7ce9b896c829cb2c70c9e61a4a74271e24744d0758b3cf658
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4d403193bb99ab88a62faf1ea1cc8288b19b64c07cb783a1fb0fd1eeee20e4f5
[INFO] running `Command { std: "docker" "start" "-a" "4d403193bb99ab88a62faf1ea1cc8288b19b64c07cb783a1fb0fd1eeee20e4f5", kill_on_drop: false }`
[INFO] [stderr]    Compiling flacon v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.19s
[INFO] running `Command { std: "docker" "inspect" "4d403193bb99ab88a62faf1ea1cc8288b19b64c07cb783a1fb0fd1eeee20e4f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d403193bb99ab88a62faf1ea1cc8288b19b64c07cb783a1fb0fd1eeee20e4f5", kill_on_drop: false }`
[INFO] [stdout] 4d403193bb99ab88a62faf1ea1cc8288b19b64c07cb783a1fb0fd1eeee20e4f5
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 586708f8952eca35d145e65adfb13087bffd57ed7308dabd8d1b0a1d0634ecec
[INFO] running `Command { std: "docker" "start" "-a" "586708f8952eca35d145e65adfb13087bffd57ed7308dabd8d1b0a1d0634ecec", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/flacon-6e3cec5f4b18830f)
[INFO] running `Command { std: "docker" "inspect" "586708f8952eca35d145e65adfb13087bffd57ed7308dabd8d1b0a1d0634ecec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "586708f8952eca35d145e65adfb13087bffd57ed7308dabd8d1b0a1d0634ecec", kill_on_drop: false }`
[INFO] [stdout] 586708f8952eca35d145e65adfb13087bffd57ed7308dabd8d1b0a1d0634ecec