[INFO] fetching crate huffman-compression 0.1.2...
[INFO] testing huffman-compression-0.1.2 against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_libc_patch_0
[INFO] extracting crate huffman-compression 0.1.2 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate huffman-compression 0.1.2
[INFO] finished tweaking crates.io crate huffman-compression 0.1.2
[INFO] tweaked toml for crates.io crate huffman-compression 0.1.2 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate huffman-compression 0.1.2 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] crate crates.io crate huffman-compression 0.1.2 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-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] eb4eea94db9a386e339052bf2c9e81ca32b11d5de62358800f594482ca6db5a6
[INFO] running `Command { std: "docker" "start" "-a" "eb4eea94db9a386e339052bf2c9e81ca32b11d5de62358800f594482ca6db5a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "eb4eea94db9a386e339052bf2c9e81ca32b11d5de62358800f594482ca6db5a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eb4eea94db9a386e339052bf2c9e81ca32b11d5de62358800f594482ca6db5a6", kill_on_drop: false }`
[INFO] [stdout] eb4eea94db9a386e339052bf2c9e81ca32b11d5de62358800f594482ca6db5a6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 9262fe5e6fd4fc113dff9f036d7194ca45d4b6a8633416a81e4eb09acccc541b
[INFO] running `Command { std: "docker" "start" "-a" "9262fe5e6fd4fc113dff9f036d7194ca45d4b6a8633416a81e4eb09acccc541b", kill_on_drop: false }`
[INFO] [stderr]    Compiling huffman-compression v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.69s
[INFO] running `Command { std: "docker" "inspect" "9262fe5e6fd4fc113dff9f036d7194ca45d4b6a8633416a81e4eb09acccc541b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9262fe5e6fd4fc113dff9f036d7194ca45d4b6a8633416a81e4eb09acccc541b", kill_on_drop: false }`
[INFO] [stdout] 9262fe5e6fd4fc113dff9f036d7194ca45d4b6a8633416a81e4eb09acccc541b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] d277e1bc8c2393608deee0b53402fb34dd19eeb295a90f9ca96e689848cd7e55
[INFO] running `Command { std: "docker" "start" "-a" "d277e1bc8c2393608deee0b53402fb34dd19eeb295a90f9ca96e689848cd7e55", kill_on_drop: false }`
[INFO] [stderr]    Compiling huffman-compression v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.51s
[INFO] running `Command { std: "docker" "inspect" "d277e1bc8c2393608deee0b53402fb34dd19eeb295a90f9ca96e689848cd7e55", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d277e1bc8c2393608deee0b53402fb34dd19eeb295a90f9ca96e689848cd7e55", kill_on_drop: false }`
[INFO] [stdout] d277e1bc8c2393608deee0b53402fb34dd19eeb295a90f9ca96e689848cd7e55
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 79e7945b0516285191c89c4d2fadb35254a1fdff286013a66c7e30bc231bd4b8
[INFO] running `Command { std: "docker" "start" "-a" "79e7945b0516285191c89c4d2fadb35254a1fdff286013a66c7e30bc231bd4b8", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[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/main.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/huffman_compression-997c8df9d236e019)
[INFO] running `Command { std: "docker" "inspect" "79e7945b0516285191c89c4d2fadb35254a1fdff286013a66c7e30bc231bd4b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "79e7945b0516285191c89c4d2fadb35254a1fdff286013a66c7e30bc231bd4b8", kill_on_drop: false }`
[INFO] [stdout] 79e7945b0516285191c89c4d2fadb35254a1fdff286013a66c7e30bc231bd4b8