[INFO] fetching crate chapter-8-exercises 0.1.0...
[INFO] testing chapter-8-exercises-0.1.0 against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_libc_patch_0
[INFO] extracting crate chapter-8-exercises 0.1.0 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate chapter-8-exercises 0.1.0
[INFO] finished tweaking crates.io crate chapter-8-exercises 0.1.0
[INFO] tweaked toml for crates.io crate chapter-8-exercises 0.1.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate chapter-8-exercises 0.1.0 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 chapter-8-exercises 0.1.0 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] 159ad4327bc3a025828d5f6852409e483d8df7cbe44049753cd4905f1491cc41
[INFO] running `Command { std: "docker" "start" "-a" "159ad4327bc3a025828d5f6852409e483d8df7cbe44049753cd4905f1491cc41", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "159ad4327bc3a025828d5f6852409e483d8df7cbe44049753cd4905f1491cc41", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "159ad4327bc3a025828d5f6852409e483d8df7cbe44049753cd4905f1491cc41", kill_on_drop: false }`
[INFO] [stdout] 159ad4327bc3a025828d5f6852409e483d8df7cbe44049753cd4905f1491cc41
[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] 426ff93ad4685b0ed6222026425274f1891829788e8d151ea7c7d85bf9f8adc2
[INFO] running `Command { std: "docker" "start" "-a" "426ff93ad4685b0ed6222026425274f1891829788e8d151ea7c7d85bf9f8adc2", kill_on_drop: false }`
[INFO] [stderr]    Compiling chapter-8-exercises v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.36s
[INFO] running `Command { std: "docker" "inspect" "426ff93ad4685b0ed6222026425274f1891829788e8d151ea7c7d85bf9f8adc2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "426ff93ad4685b0ed6222026425274f1891829788e8d151ea7c7d85bf9f8adc2", kill_on_drop: false }`
[INFO] [stdout] 426ff93ad4685b0ed6222026425274f1891829788e8d151ea7c7d85bf9f8adc2
[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] a917cddb2a344a495459db93a19ed164f8e85cf87c4f7827b4a7aaecc2e5eb5b
[INFO] running `Command { std: "docker" "start" "-a" "a917cddb2a344a495459db93a19ed164f8e85cf87c4f7827b4a7aaecc2e5eb5b", kill_on_drop: false }`
[INFO] [stderr]    Compiling chapter-8-exercises v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.44s
[INFO] running `Command { std: "docker" "inspect" "a917cddb2a344a495459db93a19ed164f8e85cf87c4f7827b4a7aaecc2e5eb5b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a917cddb2a344a495459db93a19ed164f8e85cf87c4f7827b4a7aaecc2e5eb5b", kill_on_drop: false }`
[INFO] [stdout] a917cddb2a344a495459db93a19ed164f8e85cf87c4f7827b4a7aaecc2e5eb5b
[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] 7066dae0e88a8af6a27c67331e67e50129d28d9def9be247b9c3c53f99064650
[INFO] running `Command { std: "docker" "start" "-a" "7066dae0e88a8af6a27c67331e67e50129d28d9def9be247b9c3c53f99064650", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/bin/median-mode.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/median_mode-d69fd03d965e6896)
[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]      Running unittests src/bin/pig-speak.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/pig_speak-32bd70edfa7bf8a2)
[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" "7066dae0e88a8af6a27c67331e67e50129d28d9def9be247b9c3c53f99064650", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7066dae0e88a8af6a27c67331e67e50129d28d9def9be247b9c3c53f99064650", kill_on_drop: false }`
[INFO] [stdout] 7066dae0e88a8af6a27c67331e67e50129d28d9def9be247b9c3c53f99064650