[INFO] fetching crate print-no-std 0.2.1...
[INFO] building print-no-std-0.2.1 against try#4987e9d4227139400384ab59296ffee3b0fb1183 for pr-146237-2
[INFO] extracting crate print-no-std 0.2.1 into /workspace/builds/worker-4-tc2/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-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate print-no-std 0.2.1 on toolchain 4987e9d4227139400384ab59296ffee3b0fb1183
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "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" "+4987e9d4227139400384ab59296ffee3b0fb1183" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 20 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3775c5d7b68dfb7235ff24d31fa028e73d78df7f3dae05fccfe0be5c66fcfc38
[INFO] running `Command { std: "docker" "start" "-a" "3775c5d7b68dfb7235ff24d31fa028e73d78df7f3dae05fccfe0be5c66fcfc38", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3775c5d7b68dfb7235ff24d31fa028e73d78df7f3dae05fccfe0be5c66fcfc38", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3775c5d7b68dfb7235ff24d31fa028e73d78df7f3dae05fccfe0be5c66fcfc38", kill_on_drop: false }`
[INFO] [stdout] 3775c5d7b68dfb7235ff24d31fa028e73d78df7f3dae05fccfe0be5c66fcfc38
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0abe4f2d6d47e8d2821e039757d3b63b82219d35ecf34916fbebbabeafde79f3
[INFO] running `Command { std: "docker" "start" "-a" "0abe4f2d6d47e8d2821e039757d3b63b82219d35ecf34916fbebbabeafde79f3", kill_on_drop: false }`
[INFO] [stderr]    Compiling find-msvc-tools v0.1.2
[INFO] [stderr]    Compiling shlex v1.3.0
[INFO] [stderr]    Compiling libc v0.2.176
[INFO] [stderr]    Compiling litrs v0.4.2
[INFO] [stderr]    Compiling cc v1.2.39
[INFO] [stderr]    Compiling document-features v0.2.11
[INFO] [stderr]    Compiling errno-sys v0.2.0
[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 2.80s
[INFO] running `Command { std: "docker" "inspect" "0abe4f2d6d47e8d2821e039757d3b63b82219d35ecf34916fbebbabeafde79f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0abe4f2d6d47e8d2821e039757d3b63b82219d35ecf34916fbebbabeafde79f3", kill_on_drop: false }`
[INFO] [stdout] 0abe4f2d6d47e8d2821e039757d3b63b82219d35ecf34916fbebbabeafde79f3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 445c0943f3ef7ab6c64295666de710f9eba28700a0c1cfa8b1775984606d0a9b
[INFO] running `Command { std: "docker" "start" "-a" "445c0943f3ef7ab6c64295666de710f9eba28700a0c1cfa8b1775984606d0a9b", 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 0.25s
[INFO] running `Command { std: "docker" "inspect" "445c0943f3ef7ab6c64295666de710f9eba28700a0c1cfa8b1775984606d0a9b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "445c0943f3ef7ab6c64295666de710f9eba28700a0c1cfa8b1775984606d0a9b", kill_on_drop: false }`
[INFO] [stdout] 445c0943f3ef7ab6c64295666de710f9eba28700a0c1cfa8b1775984606d0a9b