[INFO] fetching crate devmem 0.1.1...
[INFO] testing devmem-0.1.1 against 1.55.0 for beta-1.56-1
[INFO] extracting crate devmem 0.1.1 into /workspace/builds/worker-91/source
[INFO] validating manifest of crates.io crate devmem 0.1.1 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate devmem 0.1.1
[INFO] finished tweaking crates.io crate devmem 0.1.1
[INFO] tweaked toml for crates.io crate devmem 0.1.1 written to /workspace/builds/worker-91/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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-91/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-91/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6fb5d44f9e1c8c5ce4c7b95bd533bcd03db558e526f5108718114e195e6322ce
[INFO] running `Command { std: "docker" "start" "-a" "6fb5d44f9e1c8c5ce4c7b95bd533bcd03db558e526f5108718114e195e6322ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6fb5d44f9e1c8c5ce4c7b95bd533bcd03db558e526f5108718114e195e6322ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6fb5d44f9e1c8c5ce4c7b95bd533bcd03db558e526f5108718114e195e6322ce", kill_on_drop: false }`
[INFO] [stdout] 6fb5d44f9e1c8c5ce4c7b95bd533bcd03db558e526f5108718114e195e6322ce
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-91/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-91/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fa9cccd9910184d20e28e0c7f38ade7043558b1cbe8fa9afd7907ecd8e18aeb8
[INFO] running `Command { std: "docker" "start" "-a" "fa9cccd9910184d20e28e0c7f38ade7043558b1cbe8fa9afd7907ecd8e18aeb8", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling devmem v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.77s
[INFO] running `Command { std: "docker" "inspect" "fa9cccd9910184d20e28e0c7f38ade7043558b1cbe8fa9afd7907ecd8e18aeb8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fa9cccd9910184d20e28e0c7f38ade7043558b1cbe8fa9afd7907ecd8e18aeb8", kill_on_drop: false }`
[INFO] [stdout] fa9cccd9910184d20e28e0c7f38ade7043558b1cbe8fa9afd7907ecd8e18aeb8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-91/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-91/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cd1181e4e564bf13ba06d3451a1d239de7543d9a2f73bfa2bb05e5c38d385f08
[INFO] running `Command { std: "docker" "start" "-a" "cd1181e4e564bf13ba06d3451a1d239de7543d9a2f73bfa2bb05e5c38d385f08", kill_on_drop: false }`
[INFO] [stderr]    Compiling devmem v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.57s
[INFO] running `Command { std: "docker" "inspect" "cd1181e4e564bf13ba06d3451a1d239de7543d9a2f73bfa2bb05e5c38d385f08", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cd1181e4e564bf13ba06d3451a1d239de7543d9a2f73bfa2bb05e5c38d385f08", kill_on_drop: false }`
[INFO] [stdout] cd1181e4e564bf13ba06d3451a1d239de7543d9a2f73bfa2bb05e5c38d385f08
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-91/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-91/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 909b745103309e2b4779b65446ac71147a9421cc14ce8f2ec3682f6b7b5544cb
[INFO] running `Command { std: "docker" "start" "-a" "909b745103309e2b4779b65446ac71147a9421cc14ce8f2ec3682f6b7b5544cb", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.84s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/devmem-168fb4fd7ea3c206)
[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 devmem
[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" "909b745103309e2b4779b65446ac71147a9421cc14ce8f2ec3682f6b7b5544cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "909b745103309e2b4779b65446ac71147a9421cc14ce8f2ec3682f6b7b5544cb", kill_on_drop: false }`
[INFO] [stdout] 909b745103309e2b4779b65446ac71147a9421cc14ce8f2ec3682f6b7b5544cb