[INFO] cloning repository https://github.com/sebglazebrook/ws_server
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sebglazebrook/ws_server" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsebglazebrook%2Fws_server", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsebglazebrook%2Fws_server'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2e2f8a109b51ddd365c82b55d3a9283404eaa2a3
[INFO] checking sebglazebrook/ws_server against try#6f8a6450478f69b8510c8976ab6c2a70b3b0e47c for pr-84920
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsebglazebrook%2Fws_server" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sebglazebrook/ws_server on toolchain 6f8a6450478f69b8510c8976ab6c2a70b3b0e47c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/sebglazebrook/ws_server
[INFO] finished tweaking git repo https://github.com/sebglazebrook/ws_server
[INFO] tweaked toml for git repo https://github.com/sebglazebrook/ws_server written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/sebglazebrook/ws_server already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] error: the lock file /workspace/builds/worker-0/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded crossbeam v0.1.6
[INFO] [stderr]   Downloaded mio v0.4.4
[INFO] [stderr]   Downloaded bytes v0.2.11
[INFO] [stderr]   Downloaded nix v0.3.10
[INFO] [stderr]   Downloaded winapi v0.1.23
[INFO] [stderr]   Downloaded ws v0.3.1
[INFO] [stderr]   Downloaded websocket v0.13.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cb4200ce30fc0b05b23568cf5b81d1bae7795e9daa18ecc067b25076c1797300
[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" "cb4200ce30fc0b05b23568cf5b81d1bae7795e9daa18ecc067b25076c1797300", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cb4200ce30fc0b05b23568cf5b81d1bae7795e9daa18ecc067b25076c1797300", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cb4200ce30fc0b05b23568cf5b81d1bae7795e9daa18ecc067b25076c1797300", kill_on_drop: false }`
[INFO] [stdout] cb4200ce30fc0b05b23568cf5b81d1bae7795e9daa18ecc067b25076c1797300
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "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] cfbc046db482b0b3adca6046dc7e8b8984532ebbfdf87463877f42215d2075e0
[INFO] running `Command { std: "docker" "start" "-a" "cfbc046db482b0b3adca6046dc7e8b8984532ebbfdf87463877f42215d2075e0", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.1.12
[INFO] [stderr]    Compiling gcc v0.3.55
[INFO] [stderr]     Checking lazy_static v0.1.16
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking traitobject v0.0.1
[INFO] [stderr]     Checking language-tags v0.0.7
[INFO] [stderr]     Checking byteorder v0.4.2
[INFO] [stderr]     Checking crossbeam v0.1.6
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]     Checking sha1 v0.1.1
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking winapi v0.1.23
[INFO] [stderr]     Checking num_cpus v0.2.13
[INFO] [stderr]     Checking net2 v0.2.37
[INFO] [stderr]     Checking hpack v0.2.0
[INFO] [stdout] error[E0512]: cannot transmute between types of different sizes, or dependently-sized types
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/crossbeam-0.1.6/src/sync/seg_queue.rs:34:29
[INFO] [stdout]    |
[INFO] [stdout] 34 |             ready: unsafe { mem::transmute([0usize; SEG_SIZE]) },
[INFO] [stdout]    |                             ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: source type: `[usize; 32]` (2048 bits)
[INFO] [stdout]    = note: target type: `[AtomicBool; 32]` (256 bits)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking nix v0.3.10
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0512`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `crossbeam`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "cfbc046db482b0b3adca6046dc7e8b8984532ebbfdf87463877f42215d2075e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cfbc046db482b0b3adca6046dc7e8b8984532ebbfdf87463877f42215d2075e0", kill_on_drop: false }`
[INFO] [stdout] cfbc046db482b0b3adca6046dc7e8b8984532ebbfdf87463877f42215d2075e0