[INFO] fetching crate prefix_writer 0.1.1...
[INFO] testing prefix_writer-0.1.1 against master#1f7f8ea0721a3b1eb73e6c6d25cccb371434b320 for pr-154065-1
[INFO] extracting crate prefix_writer 0.1.1 into /workspace/builds/worker-5-tc1/source
[INFO] started tweaking crates.io crate prefix_writer 0.1.1
[INFO] finished tweaking crates.io crate prefix_writer 0.1.1
[INFO] tweaked toml for crates.io crate prefix_writer 0.1.1 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate prefix_writer 0.1.1 on toolchain 1f7f8ea0721a3b1eb73e6c6d25cccb371434b320
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "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" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "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] [stderr]       Adding rand v0.8.5 (available: v0.10.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9bb9f595e36a04185111d6559a20ca740d17c8964520ba41de9ac5adb333ea69
[INFO] running `Command { std: "docker" "start" "-a" "9bb9f595e36a04185111d6559a20ca740d17c8964520ba41de9ac5adb333ea69", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9bb9f595e36a04185111d6559a20ca740d17c8964520ba41de9ac5adb333ea69", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9bb9f595e36a04185111d6559a20ca740d17c8964520ba41de9ac5adb333ea69", kill_on_drop: false }`
[INFO] [stdout] 9bb9f595e36a04185111d6559a20ca740d17c8964520ba41de9ac5adb333ea69
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cdc84c78af7cd06bb3fb08ec1b57e4ff54bf63eb5f2b59cac6eef0b420d3f4eb
[INFO] running `Command { std: "docker" "start" "-a" "cdc84c78af7cd06bb3fb08ec1b57e4ff54bf63eb5f2b59cac6eef0b420d3f4eb", kill_on_drop: false }`
[INFO] [stderr]    Compiling prefix_writer v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.13s
[INFO] running `Command { std: "docker" "inspect" "cdc84c78af7cd06bb3fb08ec1b57e4ff54bf63eb5f2b59cac6eef0b420d3f4eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cdc84c78af7cd06bb3fb08ec1b57e4ff54bf63eb5f2b59cac6eef0b420d3f4eb", kill_on_drop: false }`
[INFO] [stdout] cdc84c78af7cd06bb3fb08ec1b57e4ff54bf63eb5f2b59cac6eef0b420d3f4eb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d665667c21ff4101cb16a77c366341ad34f934e22bfdc179b49852f31a145c8e
[INFO] running `Command { std: "docker" "start" "-a" "d665667c21ff4101cb16a77c366341ad34f934e22bfdc179b49852f31a145c8e", kill_on_drop: false }`
[INFO] [stderr]    Compiling getrandom v0.2.17
[INFO] [stderr]    Compiling const_format_proc_macros v0.2.34
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling const_format v0.2.35
[INFO] [stderr]    Compiling prefix_writer v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 2.19s
[INFO] running `Command { std: "docker" "inspect" "d665667c21ff4101cb16a77c366341ad34f934e22bfdc179b49852f31a145c8e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d665667c21ff4101cb16a77c366341ad34f934e22bfdc179b49852f31a145c8e", kill_on_drop: false }`
[INFO] [stdout] d665667c21ff4101cb16a77c366341ad34f934e22bfdc179b49852f31a145c8e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] bea097fea312a534a288f4b81d46e79d08ac3096fd5163707800a0453c89a00a
[INFO] running `Command { std: "docker" "start" "-a" "bea097fea312a534a288f4b81d46e79d08ac3096fd5163707800a0453c89a00a", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/prefix_writer-2464dc5120f0e63a)
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test test::tests::empty ... ok
[INFO] [stdout] test test::tests::no_newline ... ok
[INFO] [stdout] test test::tests::single_line ... ok
[INFO] [stdout] test test::tests::two_line ... ok
[INFO] [stdout] test test::tests::two_line_empty_lines ... ok
[INFO] [stdout] test test::tests::two_line_remainder ... ok
[INFO] [stdout] test test::tests::empty_lines ... ok
[INFO] [stdout] test test::tests::fuzztest ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.09s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests prefix_writer
[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" "bea097fea312a534a288f4b81d46e79d08ac3096fd5163707800a0453c89a00a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bea097fea312a534a288f4b81d46e79d08ac3096fd5163707800a0453c89a00a", kill_on_drop: false }`
[INFO] [stdout] bea097fea312a534a288f4b81d46e79d08ac3096fd5163707800a0453c89a00a
