[INFO] fetching crate io-streams 0.3.1...
[INFO] checking io-streams-0.3.1 against try#3bb2879ea9e58d65b875f9a98df44f4a43ce2597 for pr-85387
[INFO] extracting crate io-streams 0.3.1 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate io-streams 0.3.1 on toolchain 3bb2879ea9e58d65b875f9a98df44f4a43ce2597
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate io-streams 0.3.1
[INFO] finished tweaking crates.io crate io-streams 0.3.1
[INFO] tweaked toml for crates.io crate io-streams 0.3.1 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate crates.io crate io-streams 0.3.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded os_pipe v0.9.2
[INFO] [stderr]   Downloaded system-interface v0.6.3
[INFO] [stderr]   Downloaded cap-std v0.13.9
[INFO] [stderr]   Downloaded winx v0.23.0
[INFO] [stderr]   Downloaded unsafe-io v0.6.5
[INFO] [stderr]   Downloaded posish v0.6.1
[INFO] [stderr]   Downloaded socketpair v0.6.2
[INFO] [stderr]   Downloaded utf8-io v0.4.0
[INFO] [stderr]   Downloaded duplex v0.3.1
[INFO] [stderr]   Downloaded layered-io v0.4.0
[INFO] [stderr]   Downloaded fs-set-times v0.3.1
[INFO] [stderr]   Downloaded char-device v0.3.2
[INFO] [stderr]   Downloaded cap-tempfile v0.13.9
[INFO] [stderr]   Downloaded terminfo v0.7.3
[INFO] [stderr]   Downloaded maybe-owned v0.3.4
[INFO] [stderr]   Downloaded cap-primitives v0.13.9
[INFO] [stderr]   Downloaded terminal-io v0.3.0
[INFO] [stderr]   Downloaded io-close v0.3.7
[INFO] [stderr]   Downloaded cap-fs-ext v0.13.9
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 24277f16fd9de27de441bedb6f6e6cef337c34e8e0d16261938456c6d385f942
[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" "24277f16fd9de27de441bedb6f6e6cef337c34e8e0d16261938456c6d385f942", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "24277f16fd9de27de441bedb6f6e6cef337c34e8e0d16261938456c6d385f942", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "24277f16fd9de27de441bedb6f6e6cef337c34e8e0d16261938456c6d385f942", kill_on_drop: false }`
[INFO] [stdout] 24277f16fd9de27de441bedb6f6e6cef337c34e8e0d16261938456c6d385f942
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8ea8d8e0eb7312828f62ad1bf28c149c63f1fe09a2f20126ef75a017bf686efc
[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" "8ea8d8e0eb7312828f62ad1bf28c149c63f1fe09a2f20126ef75a017bf686efc", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.94
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking once_cell v1.7.2
[INFO] [stderr]     Checking maybe-owned v0.3.4
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling unsafe-io v0.6.5
[INFO] [stderr]    Compiling cap-primitives v0.13.9
[INFO] [stderr]    Compiling char-device v0.3.2
[INFO] [stderr]    Compiling cap-std v0.13.9
[INFO] [stderr]    Compiling system-interface v0.6.3
[INFO] [stderr]    Compiling io-streams v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking os_pipe v0.9.2
[INFO] [stderr]     Checking errno v0.2.7
[INFO] [stderr]     Checking io-close v0.3.7
[INFO] [stderr]     Checking getrandom v0.2.2
[INFO] [stderr]     Checking uuid v0.8.2
[INFO] [stderr]     Checking posish v0.6.1
[INFO] [stderr]     Checking fs-set-times v0.3.1
[INFO] [stderr]     Checking duplex v0.3.1
[INFO] [stderr]     Checking cap-tempfile v0.13.9
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.32s
[INFO] running `Command { std: "docker" "inspect" "8ea8d8e0eb7312828f62ad1bf28c149c63f1fe09a2f20126ef75a017bf686efc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ea8d8e0eb7312828f62ad1bf28c149c63f1fe09a2f20126ef75a017bf686efc", kill_on_drop: false }`
[INFO] [stdout] 8ea8d8e0eb7312828f62ad1bf28c149c63f1fe09a2f20126ef75a017bf686efc