[INFO] fetching crate serialio 0.1.2...
[INFO] checking serialio-0.1.2 against master#50e1dc1536264ab71c0850f346b12309477f29f7 for pr-85073
[INFO] extracting crate serialio 0.1.2 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate serialio 0.1.2 on toolchain 50e1dc1536264ab71c0850f346b12309477f29f7
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+50e1dc1536264ab71c0850f346b12309477f29f7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-1/source/.cargo/config
[INFO] started tweaking crates.io crate serialio 0.1.2
[INFO] finished tweaking crates.io crate serialio 0.1.2
[INFO] tweaked toml for crates.io crate serialio 0.1.2 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+50e1dc1536264ab71c0850f346b12309477f29f7" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+50e1dc1536264ab71c0850f346b12309477f29f7" "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-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+50e1dc1536264ab71c0850f346b12309477f29f7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0104dc156c1204879f6a9d2f3a982d716c472a33810d015b443c1c928969d752
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "0104dc156c1204879f6a9d2f3a982d716c472a33810d015b443c1c928969d752", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0104dc156c1204879f6a9d2f3a982d716c472a33810d015b443c1c928969d752", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0104dc156c1204879f6a9d2f3a982d716c472a33810d015b443c1c928969d752", kill_on_drop: false }`
[INFO] [stdout] 0104dc156c1204879f6a9d2f3a982d716c472a33810d015b443c1c928969d752
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+50e1dc1536264ab71c0850f346b12309477f29f7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 07de38277de4ec1e063de71a8c4ecb2222af42a1bc92dee656f13c0012eea9a3
[INFO] running `Command { std: "docker" "start" "-a" "07de38277de4ec1e063de71a8c4ecb2222af42a1bc92dee656f13c0012eea9a3", kill_on_drop: false }`
[INFO] [stderr]    Compiling typenum v1.13.0
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling cortex-m v0.7.2
[INFO] [stderr]    Compiling ucd-trie v0.1.3
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]     Checking vcell v0.1.3
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]    Compiling cortex-m v0.6.7
[INFO] [stderr]    Compiling cortex-m v0.5.11
[INFO] [stderr]    Compiling cortex-m-rt v0.6.14
[INFO] [stderr]    Compiling stm32f30x v0.7.1
[INFO] [stderr]    Compiling f3 v0.6.1
[INFO] [stderr]     Checking embedded-hal v0.2.5
[INFO] [stderr]     Checking volatile-register v0.2.0
[INFO] [stderr]     Checking serialio v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling pest v2.1.3
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling cortex-m-semihosting v0.3.7
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling bare-metal v0.2.5
[INFO] [stderr]    Compiling semver-parser v0.10.2
[INFO] [stderr]     Checking generic-array v0.12.4
[INFO] [stderr]     Checking generic-array v0.13.3
[INFO] [stderr]     Checking generic-array v0.11.2
[INFO] [stderr]     Checking l3gd20 v0.2.0
[INFO] [stderr]    Compiling semver v0.11.0
[INFO] [stderr]     Checking as-slice v0.1.5
[INFO] [stderr]     Checking panic-semihosting v0.5.6
[INFO] [stderr]    Compiling rustc_version v0.3.3
[INFO] [stderr]     Checking aligned v0.3.4
[INFO] [stderr]    Compiling cast v0.2.6
[INFO] [stderr]     Checking lsm303dlhc v0.2.0
[INFO] [stderr]    Compiling cortex-m-rt-macros v0.1.8
[INFO] [stderr]     Checking stm32f30x-hal v0.2.0
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 42.45s
[INFO] running `Command { std: "docker" "inspect" "07de38277de4ec1e063de71a8c4ecb2222af42a1bc92dee656f13c0012eea9a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "07de38277de4ec1e063de71a8c4ecb2222af42a1bc92dee656f13c0012eea9a3", kill_on_drop: false }`
[INFO] [stdout] 07de38277de4ec1e063de71a8c4ecb2222af42a1bc92dee656f13c0012eea9a3