[INFO] fetching crate print-no-std 0.3.0...
[INFO] testing print-no-std-0.3.0 against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210-2
[INFO] extracting crate print-no-std 0.3.0 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate print-no-std 0.3.0
[INFO] finished tweaking crates.io crate print-no-std 0.3.0
[INFO] tweaked toml for crates.io crate print-no-std 0.3.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate print-no-std 0.3.0 on toolchain dec9417b8611e34e787a3e4c37686b5131f9e5c5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate print-no-std 0.3.0 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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d6cf1dc2ebe530ad4ae297089f1d924f264224500016cb3a5ecf265f88ca57a9
[INFO] running `Command { std: "docker" "start" "-a" "d6cf1dc2ebe530ad4ae297089f1d924f264224500016cb3a5ecf265f88ca57a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d6cf1dc2ebe530ad4ae297089f1d924f264224500016cb3a5ecf265f88ca57a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d6cf1dc2ebe530ad4ae297089f1d924f264224500016cb3a5ecf265f88ca57a9", kill_on_drop: false }`
[INFO] [stdout] d6cf1dc2ebe530ad4ae297089f1d924f264224500016cb3a5ecf265f88ca57a9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bb0430d9c32f91e2acec19d52636e161f8f0a4292d7053d8e712e8648113fa46
[INFO] running `Command { std: "docker" "start" "-a" "bb0430d9c32f91e2acec19d52636e161f8f0a4292d7053d8e712e8648113fa46", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.2.49
[INFO] [stderr]    Compiling libc v0.2.178
[INFO] [stderr]    Compiling litrs v1.0.0
[INFO] [stderr]    Compiling document-features v0.2.12
[INFO] [stderr]    Compiling errno-sys v0.2.0
[INFO] [stderr]    Compiling errno-no-std v0.2.2
[INFO] [stderr]    Compiling print-no-std v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.41s
[INFO] running `Command { std: "docker" "inspect" "bb0430d9c32f91e2acec19d52636e161f8f0a4292d7053d8e712e8648113fa46", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bb0430d9c32f91e2acec19d52636e161f8f0a4292d7053d8e712e8648113fa46", kill_on_drop: false }`
[INFO] [stdout] bb0430d9c32f91e2acec19d52636e161f8f0a4292d7053d8e712e8648113fa46
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8e21a0ee6adcdc12e1fd30e5e20cb4dd72958fad374dd8ab7349559445af4e45
[INFO] running `Command { std: "docker" "start" "-a" "8e21a0ee6adcdc12e1fd30e5e20cb4dd72958fad374dd8ab7349559445af4e45", kill_on_drop: false }`
[INFO] [stderr]    Compiling print-no-std v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.26s
[INFO] running `Command { std: "docker" "inspect" "8e21a0ee6adcdc12e1fd30e5e20cb4dd72958fad374dd8ab7349559445af4e45", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8e21a0ee6adcdc12e1fd30e5e20cb4dd72958fad374dd8ab7349559445af4e45", kill_on_drop: false }`
[INFO] [stdout] 8e21a0ee6adcdc12e1fd30e5e20cb4dd72958fad374dd8ab7349559445af4e45
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4ceacc621ef928d894b3d582b184acac697377e32757a0e19244e364a3281fcd
[INFO] running `Command { std: "docker" "start" "-a" "4ceacc621ef928d894b3d582b184acac697377e32757a0e19244e364a3281fcd", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/print_no_std-7ffbe669b35bc8e7)
[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]    Doc-tests print_no_std
[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" "4ceacc621ef928d894b3d582b184acac697377e32757a0e19244e364a3281fcd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ceacc621ef928d894b3d582b184acac697377e32757a0e19244e364a3281fcd", kill_on_drop: false }`
[INFO] [stdout] 4ceacc621ef928d894b3d582b184acac697377e32757a0e19244e364a3281fcd