[INFO] fetching crate print-no-std 0.2.1...
[INFO] testing print-no-std-0.2.1 against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_libc_patch_0
[INFO] extracting crate print-no-std 0.2.1 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate print-no-std 0.2.1
[INFO] finished tweaking crates.io crate print-no-std 0.2.1
[INFO] tweaked toml for crates.io crate print-no-std 0.2.1 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate print-no-std 0.2.1 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 19 packages to latest compatible versions
[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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pc-ints v0.3.6
[INFO] [stderr]   Downloaded iter-identify_first_last v0.2.3
[INFO] [stderr]   Downloaded exit-no-std v0.2.1
[INFO] [stderr]   Downloaded panicking v0.5.0
[INFO] [stderr]   Downloaded errno-sys v0.2.0
[INFO] [stderr]   Downloaded errno-no-std v0.2.2
[INFO] [stderr]   Downloaded dos-cp v0.7.0
[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] 203acde62b343646e08b430857ea33760c1aa7023dbb6ae336a305ecaf4f66aa
[INFO] running `Command { std: "docker" "start" "-a" "203acde62b343646e08b430857ea33760c1aa7023dbb6ae336a305ecaf4f66aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "203acde62b343646e08b430857ea33760c1aa7023dbb6ae336a305ecaf4f66aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "203acde62b343646e08b430857ea33760c1aa7023dbb6ae336a305ecaf4f66aa", kill_on_drop: false }`
[INFO] [stdout] 203acde62b343646e08b430857ea33760c1aa7023dbb6ae336a305ecaf4f66aa
[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] 83f5cb5fcd7f29db77cba2f35b30c787423a9ef730d59b26552ba901fa81b563
[INFO] running `Command { std: "docker" "start" "-a" "83f5cb5fcd7f29db77cba2f35b30c787423a9ef730d59b26552ba901fa81b563", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.174
[INFO] [stderr]    Compiling errno-sys v0.2.0
[INFO] [stderr]    Compiling litrs v0.4.1
[INFO] [stderr]    Compiling document-features v0.2.11
[INFO] [stderr]    Compiling errno-no-std v0.2.2
[INFO] [stderr]    Compiling print-no-std v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.38s
[INFO] running `Command { std: "docker" "inspect" "83f5cb5fcd7f29db77cba2f35b30c787423a9ef730d59b26552ba901fa81b563", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "83f5cb5fcd7f29db77cba2f35b30c787423a9ef730d59b26552ba901fa81b563", kill_on_drop: false }`
[INFO] [stdout] 83f5cb5fcd7f29db77cba2f35b30c787423a9ef730d59b26552ba901fa81b563
[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] 2bcf89fb4b03b438b7f2a4bd8795e92e563751bc3ba24de4eb6f374c32afb679
[INFO] running `Command { std: "docker" "start" "-a" "2bcf89fb4b03b438b7f2a4bd8795e92e563751bc3ba24de4eb6f374c32afb679", kill_on_drop: false }`
[INFO] [stderr]    Compiling print-no-std v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.46s
[INFO] running `Command { std: "docker" "inspect" "2bcf89fb4b03b438b7f2a4bd8795e92e563751bc3ba24de4eb6f374c32afb679", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2bcf89fb4b03b438b7f2a4bd8795e92e563751bc3ba24de4eb6f374c32afb679", kill_on_drop: false }`
[INFO] [stdout] 2bcf89fb4b03b438b7f2a4bd8795e92e563751bc3ba24de4eb6f374c32afb679
[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] 97f2b9584139331eda5c309dd19ae4dbe063e1215fafebf34415855974b33af8
[INFO] running `Command { std: "docker" "start" "-a" "97f2b9584139331eda5c309dd19ae4dbe063e1215fafebf34415855974b33af8", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/print_no_std-3542285cab04e8c0)
[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" "97f2b9584139331eda5c309dd19ae4dbe063e1215fafebf34415855974b33af8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "97f2b9584139331eda5c309dd19ae4dbe063e1215fafebf34415855974b33af8", kill_on_drop: false }`
[INFO] [stdout] 97f2b9584139331eda5c309dd19ae4dbe063e1215fafebf34415855974b33af8