[INFO] fetching crate tokio-serial 4.3.3...
[INFO] checking tokio-serial-4.3.3 against try#ddfd70ee3c3748e597b32f416b0d15a4f6e37685 for pr-87050
[INFO] extracting crate tokio-serial 4.3.3 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate tokio-serial 4.3.3 on toolchain ddfd70ee3c3748e597b32f416b0d15a4f6e37685
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tokio-serial 4.3.3
[INFO] finished tweaking crates.io crate tokio-serial 4.3.3
[INFO] tweaked toml for crates.io crate tokio-serial 4.3.3 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate tokio-serial 4.3.3 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "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 proc-macro2 v1.0.6
[INFO] [stderr]   Downloaded miow v0.3.3
[INFO] [stderr]   Downloaded futures v0.3.1
[INFO] [stderr]   Downloaded futures-executor v0.3.1
[INFO] [stderr]   Downloaded mio-named-pipes v0.1.6
[INFO] [stderr]   Downloaded mach v0.2.3
[INFO] [stderr]   Downloaded futures-macro v0.3.1
[INFO] [stderr]   Downloaded cc v1.0.47
[INFO] [stderr]   Downloaded serialport v3.3.0
[INFO] [stderr]   Downloaded regex-syntax v0.6.12
[INFO] [stderr]   Downloaded bytes v0.5.1
[INFO] [stderr]   Downloaded mio v0.6.20
[INFO] [stderr]   Downloaded tokio-macros v0.2.0
[INFO] [stderr]   Downloaded tokio v0.2.0
[INFO] [stderr]   Downloaded syn v1.0.8
[INFO] [stderr]   Downloaded regex v1.3.1
[INFO] [stderr]   Downloaded socket2 v0.3.11
[INFO] [stderr]   Downloaded CoreFoundation-sys v0.1.4
[INFO] [stderr]   Downloaded mach v0.1.2
[INFO] [stderr]   Downloaded IOKit-sys v0.1.5
[INFO] [stderr]   Downloaded libudev v0.2.0
[INFO] [stderr]   Downloaded aho-corasick v0.7.6
[INFO] [stderr]   Downloaded libc v0.2.65
[INFO] [stderr]   Downloaded mio-serial v3.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6977f2a0a3f69604a464e0f555a0c521341b04297cf260296a875a6c43a9e433
[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" "6977f2a0a3f69604a464e0f555a0c521341b04297cf260296a875a6c43a9e433", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6977f2a0a3f69604a464e0f555a0c521341b04297cf260296a875a6c43a9e433", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6977f2a0a3f69604a464e0f555a0c521341b04297cf260296a875a6c43a9e433", kill_on_drop: false }`
[INFO] [stdout] 6977f2a0a3f69604a464e0f555a0c521341b04297cf260296a875a6c43a9e433
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1bb5f751adae54a113078b1fc2beedb899348d3b7120c711d37b11dd43b592fd
[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" "1bb5f751adae54a113078b1fc2beedb899348d3b7120c711d37b11dd43b592fd", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.65
[INFO] [stderr]    Compiling proc-macro2 v1.0.6
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.8
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]    Compiling pkg-config v0.3.17
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling nix v0.14.1
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking bytes v0.5.1
[INFO] [stderr]     Checking futures-channel v0.3.1
[INFO] [stderr]     Checking log v0.4.8
[INFO] [stderr]    Compiling libudev-sys v0.1.4
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking mio v0.6.20
[INFO] [stderr]     Checking libudev v0.2.0
[INFO] [stderr]     Checking serialport v3.3.0
[INFO] [stderr]     Checking mio-serial v3.3.0
[INFO] [stderr]    Compiling proc-macro-hack v0.5.11
[INFO] [stderr]    Compiling tokio-macros v0.2.0
[INFO] [stderr]     Checking tokio v0.2.0
[INFO] [stderr]    Compiling futures-macro v0.3.1
[INFO] [stderr]     Checking tokio-util v0.2.0
[INFO] [stderr]     Checking tokio-serial v4.3.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking futures-util v0.3.1
[INFO] [stderr]     Checking futures-executor v0.3.1
[INFO] [stderr]     Checking futures v0.3.1
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 38.04s
[INFO] running `Command { std: "docker" "inspect" "1bb5f751adae54a113078b1fc2beedb899348d3b7120c711d37b11dd43b592fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1bb5f751adae54a113078b1fc2beedb899348d3b7120c711d37b11dd43b592fd", kill_on_drop: false }`
[INFO] [stdout] 1bb5f751adae54a113078b1fc2beedb899348d3b7120c711d37b11dd43b592fd