[INFO] cloning repository https://github.com/comnik/timely-comms-bug
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/comnik/timely-comms-bug" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcomnik%2Ftimely-comms-bug", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcomnik%2Ftimely-comms-bug'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c2728f5e193e9403402417664a9d92d0a9f36391
[INFO] checking comnik/timely-comms-bug against master#3aedcf06b73fc36feeebca3d579e1d2a6c40acc5 for pr-65819
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcomnik%2Ftimely-comms-bug" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/comnik/timely-comms-bug on toolchain 3aedcf06b73fc36feeebca3d579e1d2a6c40acc5
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/comnik/timely-comms-bug
[INFO] finished tweaking git repo https://github.com/comnik/timely-comms-bug
[INFO] tweaked toml for git repo https://github.com/comnik/timely-comms-bug written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/comnik/timely-comms-bug already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 107a9b5de7066472a34209a9eeef339a752abbc781b19193dbc331d9fdcb5d94
[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" "107a9b5de7066472a34209a9eeef339a752abbc781b19193dbc331d9fdcb5d94", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "107a9b5de7066472a34209a9eeef339a752abbc781b19193dbc331d9fdcb5d94", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "107a9b5de7066472a34209a9eeef339a752abbc781b19193dbc331d9fdcb5d94", kill_on_drop: false }`
[INFO] [stdout] 107a9b5de7066472a34209a9eeef339a752abbc781b19193dbc331d9fdcb5d94
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 078e84f3061e0747dddb8aaca028710a1178bf7375474cbd9b0b690eee48506b
[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" "078e84f3061e0747dddb8aaca028710a1178bf7375474cbd9b0b690eee48506b", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v0.15.42
[INFO] [stderr]    Compiling serde v1.0.97
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling autocfg v0.1.5
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]     Checking unicode-width v0.1.5
[INFO] [stderr]    Compiling ryu v1.0.0
[INFO] [stderr]     Checking abomonation v0.7.3
[INFO] [stderr]     Checking timely_bytes v0.10.0
[INFO] [stderr]     Checking timely_logging v0.10.0
[INFO] [stderr]     Checking itoa v0.4.4
[INFO] [stderr]     Checking getopts v0.2.19
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]    Compiling bincode v1.1.4
[INFO] [stderr]    Compiling synstructure v0.6.1
[INFO] [stderr]    Compiling abomonation_derive v0.3.0
[INFO] [stderr]    Compiling synstructure v0.10.2
[INFO] [stderr]    Compiling serde_derive v1.0.97
[INFO] [stderr]    Compiling abomonation_derive v0.4.0
[INFO] [stderr]     Checking serde_json v1.0.40
[INFO] [stderr]     Checking timely_communication v0.10.0
[INFO] [stderr]     Checking timely v0.10.0
[INFO] [stderr]     Checking timely-comms-bug v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 34.01s
[INFO] running `Command { std: "docker" "inspect" "078e84f3061e0747dddb8aaca028710a1178bf7375474cbd9b0b690eee48506b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "078e84f3061e0747dddb8aaca028710a1178bf7375474cbd9b0b690eee48506b", kill_on_drop: false }`
[INFO] [stdout] 078e84f3061e0747dddb8aaca028710a1178bf7375474cbd9b0b690eee48506b