[INFO] fetching crate olin 0.3.0...
[INFO] checking olin-0.3.0 against master#a609fb45efad59dfd459c76e50899be9f0583b5a for pr-80579
[INFO] extracting crate olin 0.3.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate olin 0.3.0 on toolchain a609fb45efad59dfd459c76e50899be9f0583b5a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate olin 0.3.0
[INFO] finished tweaking crates.io crate olin 0.3.0
[INFO] tweaked toml for crates.io crate olin 0.3.0 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate crates.io crate olin 0.3.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "fetch" "--locked" "--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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded fnv v1.0.6
[INFO] [stderr]   Downloaded cfg-if v0.1.10
[INFO] [stderr]   Downloaded byteorder v1.2.6
[INFO] [stderr]   Downloaded time v0.1.40
[INFO] [stderr]   Downloaded winapi v0.2.8
[INFO] [stderr]   Downloaded memory_units v0.4.0
[INFO] [stderr]   Downloaded itoa v0.4.3
[INFO] [stderr]   Downloaded chrono v0.4.6
[INFO] [stderr]   Downloaded libc v0.2.43
[INFO] [stderr]   Downloaded wee_alloc v0.4.5
[INFO] [stderr]   Downloaded num-traits v0.2.5
[INFO] [stderr]   Downloaded bytes v0.4.10
[INFO] [stderr]   Downloaded iovec v0.1.2
[INFO] [stderr]   Downloaded redox_syscall v0.1.40
[INFO] [stderr]   Downloaded http v0.1.12
[INFO] [stderr]   Downloaded num-integer v0.1.39
[INFO] [stderr]   Downloaded winapi v0.3.5
[INFO] [stderr]   Downloaded httparse v1.3.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "metadata" "--no-deps" "--format-version=1", 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] f2ce6da842e7574535ba9a222ab26c9b58c73d218acacdd669ed61b1594a8a9e
[INFO] running `Command { std: "docker" "start" "-a" "f2ce6da842e7574535ba9a222ab26c9b58c73d218acacdd669ed61b1594a8a9e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f2ce6da842e7574535ba9a222ab26c9b58c73d218acacdd669ed61b1594a8a9e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f2ce6da842e7574535ba9a222ab26c9b58c73d218acacdd669ed61b1594a8a9e", kill_on_drop: false }`
[INFO] [stdout] f2ce6da842e7574535ba9a222ab26c9b58c73d218acacdd669ed61b1594a8a9e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 66e0ab04143a18c7473dd4aa36d86c93eae9ac33588686bbbd1583656b8350e3
[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" "66e0ab04143a18c7473dd4aa36d86c93eae9ac33588686bbbd1583656b8350e3", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.43
[INFO] [stderr]    Compiling num-traits v0.2.5
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]    Compiling httparse v1.3.2
[INFO] [stderr]    Compiling wee_alloc v0.4.5
[INFO] [stderr]     Checking byteorder v1.2.6
[INFO] [stderr]     Checking fnv v1.0.6
[INFO] [stderr]     Checking memory_units v0.4.0
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking iovec v0.1.2
[INFO] [stderr]     Checking time v0.1.40
[INFO] [stderr]     Checking bytes v0.4.10
[INFO] [stderr]     Checking http v0.1.12
[INFO] [stderr]     Checking chrono v0.4.6
[INFO] [stderr]     Checking olin v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.72s
[INFO] running `Command { std: "docker" "inspect" "66e0ab04143a18c7473dd4aa36d86c93eae9ac33588686bbbd1583656b8350e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "66e0ab04143a18c7473dd4aa36d86c93eae9ac33588686bbbd1583656b8350e3", kill_on_drop: false }`
[INFO] [stdout] 66e0ab04143a18c7473dd4aa36d86c93eae9ac33588686bbbd1583656b8350e3