[INFO] fetching crate ribbon 0.7.0...
[INFO] testing ribbon-0.7.0 against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_libc_patch_0
[INFO] extracting crate ribbon 0.7.0 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate ribbon 0.7.0
[INFO] finished tweaking crates.io crate ribbon 0.7.0
[INFO] tweaked toml for crates.io crate ribbon 0.7.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate ribbon 0.7.0 on toolchain 8de4c7234dd9b97c9d76b58671343fdbbc9a433e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "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" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "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" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 485c7dd0fbedb90c3d2e39daf6187b02d61842323f67471a4b6546d123d11c28
[INFO] running `Command { std: "docker" "start" "-a" "485c7dd0fbedb90c3d2e39daf6187b02d61842323f67471a4b6546d123d11c28", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "485c7dd0fbedb90c3d2e39daf6187b02d61842323f67471a4b6546d123d11c28", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "485c7dd0fbedb90c3d2e39daf6187b02d61842323f67471a4b6546d123d11c28", kill_on_drop: false }`
[INFO] [stdout] 485c7dd0fbedb90c3d2e39daf6187b02d61842323f67471a4b6546d123d11c28
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "build" "--frozen" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] 5148d50d05b50658d7b95a2ae0a8531163b0e16e77ac6050745329960d649c30
[INFO] running `Command { std: "docker" "start" "-a" "5148d50d05b50658d7b95a2ae0a8531163b0e16e77ac6050745329960d649c30", kill_on_drop: false }`
[INFO] [stderr]    Compiling ribbon v0.7.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.13s
[INFO] running `Command { std: "docker" "inspect" "5148d50d05b50658d7b95a2ae0a8531163b0e16e77ac6050745329960d649c30", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5148d50d05b50658d7b95a2ae0a8531163b0e16e77ac6050745329960d649c30", kill_on_drop: false }`
[INFO] [stdout] 5148d50d05b50658d7b95a2ae0a8531163b0e16e77ac6050745329960d649c30
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--no-run" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] 1c6ddcaec4e52ec176c5dbdeeb94d21bee76fea42afe79a248a734abb8f5dd9c
[INFO] running `Command { std: "docker" "start" "-a" "1c6ddcaec4e52ec176c5dbdeeb94d21bee76fea42afe79a248a734abb8f5dd9c", kill_on_drop: false }`
[INFO] [stderr]    Compiling ribbon v0.7.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.11s
[INFO] running `Command { std: "docker" "inspect" "1c6ddcaec4e52ec176c5dbdeeb94d21bee76fea42afe79a248a734abb8f5dd9c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c6ddcaec4e52ec176c5dbdeeb94d21bee76fea42afe79a248a734abb8f5dd9c", kill_on_drop: false }`
[INFO] [stdout] 1c6ddcaec4e52ec176c5dbdeeb94d21bee76fea42afe79a248a734abb8f5dd9c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] a812f644410f3ced5537eeabf2674f3b10bd4c4ba1fa3dfc6bea0bab898a5770
[INFO] running `Command { std: "docker" "start" "-a" "a812f644410f3ced5537eeabf2674f3b10bd4c4ba1fa3dfc6bea0bab898a5770", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/ribbon-4a3bb84d43109dac)
[INFO] [stdout] 
[INFO] [stdout] running 14 tests
[INFO] [stdout] test band::tests::expands ... ok
[INFO] [stdout] test band::tests::is_iterator ... ok
[INFO] [stdout] test band::tests::peek_back ... ok
[INFO] [stdout] test band::tests::makes_progress ... ok
[INFO] [stdout] test band::tests::peeks_at ... ok
[INFO] [stdout] test band::tests::pops_front ... ok
[INFO] [stdout] test band::tests::pops_back ... ok
[INFO] [stdout] test tape::tests::expands ... ok
[INFO] [stdout] test tape::tests::is_iterator ... ok
[INFO] [stdout] test band::tests::len_correct ... ok
[INFO] [stdout] test tape::tests::peeks_at ... ok
[INFO] [stdout] test tape::tests::pops_back ... ok
[INFO] [stdout] test tape::tests::len_correct ... ok
[INFO] [stdout] test tape::tests::pops_front ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 14 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/mod.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/mod-54db4583c2cbf813)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test test_band ... ok
[INFO] [stdout] test test_enroll ... ok
[INFO] [stdout] test test_tape ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "a812f644410f3ced5537eeabf2674f3b10bd4c4ba1fa3dfc6bea0bab898a5770", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a812f644410f3ced5537eeabf2674f3b10bd4c4ba1fa3dfc6bea0bab898a5770", kill_on_drop: false }`
[INFO] [stdout] a812f644410f3ced5537eeabf2674f3b10bd4c4ba1fa3dfc6bea0bab898a5770