[INFO] fetching crate carol-test 2.4.0...
[INFO] testing carol-test-2.4.0 against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_libc_patch_0
[INFO] extracting crate carol-test 2.4.0 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate carol-test 2.4.0
[INFO] finished tweaking crates.io crate carol-test 2.4.0
[INFO] tweaked toml for crates.io crate carol-test 2.4.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate carol-test 2.4.0 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] crate crates.io crate carol-test 2.4.0 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" "+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] af87d57534633af094046c378dfa4f564144a97fa9a0c01a43492b83becb507b
[INFO] running `Command { std: "docker" "start" "-a" "af87d57534633af094046c378dfa4f564144a97fa9a0c01a43492b83becb507b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "af87d57534633af094046c378dfa4f564144a97fa9a0c01a43492b83becb507b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "af87d57534633af094046c378dfa4f564144a97fa9a0c01a43492b83becb507b", kill_on_drop: false }`
[INFO] [stdout] af87d57534633af094046c378dfa4f564144a97fa9a0c01a43492b83becb507b
[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] 969ed067a2118a9d3afa7ab7dc8c75f0ae1e0c253c3f9fbf5e5b52a42d284102
[INFO] running `Command { std: "docker" "start" "-a" "969ed067a2118a9d3afa7ab7dc8c75f0ae1e0c253c3f9fbf5e5b52a42d284102", kill_on_drop: false }`
[INFO] [stderr]    Compiling carol-test v2.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.33s
[INFO] running `Command { std: "docker" "inspect" "969ed067a2118a9d3afa7ab7dc8c75f0ae1e0c253c3f9fbf5e5b52a42d284102", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "969ed067a2118a9d3afa7ab7dc8c75f0ae1e0c253c3f9fbf5e5b52a42d284102", kill_on_drop: false }`
[INFO] [stdout] 969ed067a2118a9d3afa7ab7dc8c75f0ae1e0c253c3f9fbf5e5b52a42d284102
[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] 7fe72f397f4a8ef267dbcb88c23bc7a5dad10070ddc33953e5344b5399e8b500
[INFO] running `Command { std: "docker" "start" "-a" "7fe72f397f4a8ef267dbcb88c23bc7a5dad10070ddc33953e5344b5399e8b500", kill_on_drop: false }`
[INFO] [stderr]    Compiling carol-test v2.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.42s
[INFO] running `Command { std: "docker" "inspect" "7fe72f397f4a8ef267dbcb88c23bc7a5dad10070ddc33953e5344b5399e8b500", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7fe72f397f4a8ef267dbcb88c23bc7a5dad10070ddc33953e5344b5399e8b500", kill_on_drop: false }`
[INFO] [stdout] 7fe72f397f4a8ef267dbcb88c23bc7a5dad10070ddc33953e5344b5399e8b500
[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] a65ec014d806aa6705a9ea1b6cfa378fcb35d665a37978b585cb9cc5631f2f54
[INFO] running `Command { std: "docker" "start" "-a" "a65ec014d806aa6705a9ea1b6cfa378fcb35d665a37978b585cb9cc5631f2f54", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/carol_test-3c5a807111ca7e3c)
[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" "a65ec014d806aa6705a9ea1b6cfa378fcb35d665a37978b585cb9cc5631f2f54", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a65ec014d806aa6705a9ea1b6cfa378fcb35d665a37978b585cb9cc5631f2f54", kill_on_drop: false }`
[INFO] [stdout] a65ec014d806aa6705a9ea1b6cfa378fcb35d665a37978b585cb9cc5631f2f54