[INFO] fetching crate msb128 0.1.0...
[INFO] testing msb128-0.1.0 against try#b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b for pr-145330-1
[INFO] extracting crate msb128 0.1.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate msb128 0.1.0
[INFO] finished tweaking crates.io crate msb128 0.1.0
[INFO] tweaked toml for crates.io crate msb128 0.1.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate msb128 0.1.0 on toolchain b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "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" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 2 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5128eea81622c1a8f8039cf6ce56556e576a27f2259ba35f68fba226851837f2
[INFO] running `Command { std: "docker" "start" "-a" "5128eea81622c1a8f8039cf6ce56556e576a27f2259ba35f68fba226851837f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5128eea81622c1a8f8039cf6ce56556e576a27f2259ba35f68fba226851837f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5128eea81622c1a8f8039cf6ce56556e576a27f2259ba35f68fba226851837f2", kill_on_drop: false }`
[INFO] [stdout] 5128eea81622c1a8f8039cf6ce56556e576a27f2259ba35f68fba226851837f2
[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" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1d23f9d790e8f96877dcf57fc21c7a73c497a30bf674e6038cc38689abcd7672
[INFO] running `Command { std: "docker" "start" "-a" "1d23f9d790e8f96877dcf57fc21c7a73c497a30bf674e6038cc38689abcd7672", kill_on_drop: false }`
[INFO] [stderr]    Compiling msb128 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.15s
[INFO] running `Command { std: "docker" "inspect" "1d23f9d790e8f96877dcf57fc21c7a73c497a30bf674e6038cc38689abcd7672", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d23f9d790e8f96877dcf57fc21c7a73c497a30bf674e6038cc38689abcd7672", kill_on_drop: false }`
[INFO] [stdout] 1d23f9d790e8f96877dcf57fc21c7a73c497a30bf674e6038cc38689abcd7672
[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" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ef0f35f6ea6ec5d4dd083af3f5d0f03ce2d80f17356c62fda71a41a8518accac
[INFO] running `Command { std: "docker" "start" "-a" "ef0f35f6ea6ec5d4dd083af3f5d0f03ce2d80f17356c62fda71a41a8518accac", kill_on_drop: false }`
[INFO] [stderr]    Compiling msb128 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.37s
[INFO] running `Command { std: "docker" "inspect" "ef0f35f6ea6ec5d4dd083af3f5d0f03ce2d80f17356c62fda71a41a8518accac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef0f35f6ea6ec5d4dd083af3f5d0f03ce2d80f17356c62fda71a41a8518accac", kill_on_drop: false }`
[INFO] [stdout] ef0f35f6ea6ec5d4dd083af3f5d0f03ce2d80f17356c62fda71a41a8518accac
[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" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 75abb1ea3f9a1c758ce285e18fb66b1dcc3f395b6fb67eed494a88cfeec3657a
[INFO] running `Command { std: "docker" "start" "-a" "75abb1ea3f9a1c758ce285e18fb66b1dcc3f395b6fb67eed494a88cfeec3657a", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/msb128-93eae22d93e1cd77)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test test_reading ... ok
[INFO] [stdout] test test_is_err_on_negative_write ... ok
[INFO] [stdout] test test_write_and_then_read ... ok
[INFO] [stdout] test test_writing ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests msb128
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/lib.rs - write_positive (line 216) ... ok
[INFO] [stdout] test src/lib.rs - read_positive (line 68) ... ok
[INFO] [stdout] test src/lib.rs - read_positive (line 91) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.46s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "75abb1ea3f9a1c758ce285e18fb66b1dcc3f395b6fb67eed494a88cfeec3657a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "75abb1ea3f9a1c758ce285e18fb66b1dcc3f395b6fb67eed494a88cfeec3657a", kill_on_drop: false }`
[INFO] [stdout] 75abb1ea3f9a1c758ce285e18fb66b1dcc3f395b6fb67eed494a88cfeec3657a