[INFO] fetching crate msb128 0.1.0...
[INFO] testing msb128-0.1.0 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] extracting crate msb128 0.1.0 into /workspace/builds/worker-50/source
[INFO] validating manifest of crates.io crate msb128 0.1.0 on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-50/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fb5e0f30064e320e0f422d9e6198e8bae998d0c6263d482b273856f346202cff
[INFO] running `Command { std: "docker" "start" "-a" "fb5e0f30064e320e0f422d9e6198e8bae998d0c6263d482b273856f346202cff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fb5e0f30064e320e0f422d9e6198e8bae998d0c6263d482b273856f346202cff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fb5e0f30064e320e0f422d9e6198e8bae998d0c6263d482b273856f346202cff", kill_on_drop: false }`
[INFO] [stdout] fb5e0f30064e320e0f422d9e6198e8bae998d0c6263d482b273856f346202cff
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 452b66cccd21ce498745e3f3b25724e857a67210765ad585952d424c0f7a1048
[INFO] running `Command { std: "docker" "start" "-a" "452b66cccd21ce498745e3f3b25724e857a67210765ad585952d424c0f7a1048", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling msb128 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.96s
[INFO] running `Command { std: "docker" "inspect" "452b66cccd21ce498745e3f3b25724e857a67210765ad585952d424c0f7a1048", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "452b66cccd21ce498745e3f3b25724e857a67210765ad585952d424c0f7a1048", kill_on_drop: false }`
[INFO] [stdout] 452b66cccd21ce498745e3f3b25724e857a67210765ad585952d424c0f7a1048
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4bb4c544418298b7134da5c73971f60ec5ff858af44290cf972339e0de2ca9a6
[INFO] running `Command { std: "docker" "start" "-a" "4bb4c544418298b7134da5c73971f60ec5ff858af44290cf972339e0de2ca9a6", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling msb128 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.15s
[INFO] running `Command { std: "docker" "inspect" "4bb4c544418298b7134da5c73971f60ec5ff858af44290cf972339e0de2ca9a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4bb4c544418298b7134da5c73971f60ec5ff858af44290cf972339e0de2ca9a6", kill_on_drop: false }`
[INFO] [stdout] 4bb4c544418298b7134da5c73971f60ec5ff858af44290cf972339e0de2ca9a6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 3911d18b0ac1879bc1c047992de6407dedfb3b83a0d09ef93ed4b2873a5580da
[INFO] running `Command { std: "docker" "start" "-a" "3911d18b0ac1879bc1c047992de6407dedfb3b83a0d09ef93ed4b2873a5580da", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/msb128-49767c4aba40edb9)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test test_is_err_on_negative_write ... ok
[INFO] [stdout] test test_reading ... ok
[INFO] [stdout] test test_writing ... ok
[INFO] [stdout] test test_write_and_then_read ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests msb128
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/lib.rs - read_positive (line 68) ... ok
[INFO] [stdout] test src/lib.rs - read_positive (line 91) ... ok
[INFO] [stdout] test src/lib.rs - write_positive (line 216) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.60s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "3911d18b0ac1879bc1c047992de6407dedfb3b83a0d09ef93ed4b2873a5580da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3911d18b0ac1879bc1c047992de6407dedfb3b83a0d09ef93ed4b2873a5580da", kill_on_drop: false }`
[INFO] [stdout] 3911d18b0ac1879bc1c047992de6407dedfb3b83a0d09ef93ed4b2873a5580da