[INFO] fetching crate IntegerScaling 1.3.2...
[INFO] testing IntegerScaling-1.3.2 against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_libc_patch_0
[INFO] extracting crate IntegerScaling 1.3.2 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate IntegerScaling 1.3.2
[INFO] finished tweaking crates.io crate IntegerScaling 1.3.2
[INFO] tweaked toml for crates.io crate IntegerScaling 1.3.2 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate IntegerScaling 1.3.2 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] 9b1c99e5d713454920fcbdda6f85a781f4fa50725a087c0a7599deceb74b69aa
[INFO] running `Command { std: "docker" "start" "-a" "9b1c99e5d713454920fcbdda6f85a781f4fa50725a087c0a7599deceb74b69aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9b1c99e5d713454920fcbdda6f85a781f4fa50725a087c0a7599deceb74b69aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b1c99e5d713454920fcbdda6f85a781f4fa50725a087c0a7599deceb74b69aa", kill_on_drop: false }`
[INFO] [stdout] 9b1c99e5d713454920fcbdda6f85a781f4fa50725a087c0a7599deceb74b69aa
[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] 8cff1d13c92c842ae47d564bb001fff55166446f4d8a6da6f281041c2c78ee55
[INFO] running `Command { std: "docker" "start" "-a" "8cff1d13c92c842ae47d564bb001fff55166446f4d8a6da6f281041c2c78ee55", kill_on_drop: false }`
[INFO] [stderr]    Compiling IntegerScaling v1.3.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.12s
[INFO] running `Command { std: "docker" "inspect" "8cff1d13c92c842ae47d564bb001fff55166446f4d8a6da6f281041c2c78ee55", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8cff1d13c92c842ae47d564bb001fff55166446f4d8a6da6f281041c2c78ee55", kill_on_drop: false }`
[INFO] [stdout] 8cff1d13c92c842ae47d564bb001fff55166446f4d8a6da6f281041c2c78ee55
[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] 5dc78414f0bc2ab510e60b66b3d639321c8d3d030097bb708a4dd244c65de821
[INFO] running `Command { std: "docker" "start" "-a" "5dc78414f0bc2ab510e60b66b3d639321c8d3d030097bb708a4dd244c65de821", kill_on_drop: false }`
[INFO] [stderr]    Compiling IntegerScaling v1.3.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.49s
[INFO] running `Command { std: "docker" "inspect" "5dc78414f0bc2ab510e60b66b3d639321c8d3d030097bb708a4dd244c65de821", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5dc78414f0bc2ab510e60b66b3d639321c8d3d030097bb708a4dd244c65de821", kill_on_drop: false }`
[INFO] [stdout] 5dc78414f0bc2ab510e60b66b3d639321c8d3d030097bb708a4dd244c65de821
[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] e73ea2ba5e498adb0ea06f0ef3a4b62d4387f01fb36e9cfb9f0fe19b4bb0beaf
[INFO] running `Command { std: "docker" "start" "-a" "e73ea2ba5e498adb0ea06f0ef3a4b62d4387f01fb36e9cfb9f0fe19b4bb0beaf", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/IntegerScaling.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/IntegerScaling-436a3f4b1debb0f1)
[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" "e73ea2ba5e498adb0ea06f0ef3a4b62d4387f01fb36e9cfb9f0fe19b4bb0beaf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e73ea2ba5e498adb0ea06f0ef3a4b62d4387f01fb36e9cfb9f0fe19b4bb0beaf", kill_on_drop: false }`
[INFO] [stdout] e73ea2ba5e498adb0ea06f0ef3a4b62d4387f01fb36e9cfb9f0fe19b4bb0beaf