[INFO] cloning repository https://github.com/dhbradshaw/rrast
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dhbradshaw/rrast" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdhbradshaw%2Frrast", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdhbradshaw%2Frrast'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 913cb2d9b4b89ffbae0365ce05ffcf4765ae8ca7
[INFO] checking dhbradshaw/rrast against try#8b72f65b805cbe4c261de45030d663f524f27376 for pr-78991
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdhbradshaw%2Frrast" "/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/dhbradshaw/rrast on toolchain 8b72f65b805cbe4c261de45030d663f524f27376
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8b72f65b805cbe4c261de45030d663f524f27376" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/dhbradshaw/rrast
[INFO] finished tweaking git repo https://github.com/dhbradshaw/rrast
[INFO] tweaked toml for git repo https://github.com/dhbradshaw/rrast written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/dhbradshaw/rrast already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8b72f65b805cbe4c261de45030d663f524f27376" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tokio-io v0.1.9
[INFO] [stderr]   Downloaded ascii v0.7.1
[INFO] [stderr]   Downloaded lazycell v1.2.0
[INFO] [stderr]   Downloaded redis v0.9.1
[INFO] [stderr]   Downloaded tokio-reactor v0.1.6
[INFO] [stderr]   Downloaded combine v3.6.1
[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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+8b72f65b805cbe4c261de45030d663f524f27376" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 851cc8eefc21e038b1f6e77834998dd55493713bceec0727c6cd1136ff6dc02c
[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" "851cc8eefc21e038b1f6e77834998dd55493713bceec0727c6cd1136ff6dc02c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "851cc8eefc21e038b1f6e77834998dd55493713bceec0727c6cd1136ff6dc02c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "851cc8eefc21e038b1f6e77834998dd55493713bceec0727c6cd1136ff6dc02c", kill_on_drop: false }`
[INFO] [stdout] 851cc8eefc21e038b1f6e77834998dd55493713bceec0727c6cd1136ff6dc02c
[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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+8b72f65b805cbe4c261de45030d663f524f27376" "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] a05127a8b2b1d6c3a36881104fbfce6eb2a0bdc90e7d181bfa931f3536ab6594
[INFO] running `Command { std: "docker" "start" "-a" "a05127a8b2b1d6c3a36881104fbfce6eb2a0bdc90e7d181bfa931f3536ab6594", kill_on_drop: false }`
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking byteorder v1.2.6
[INFO] [stderr]     Checking rand_core v0.3.0
[INFO] [stderr]     Checking futures v0.1.25
[INFO] [stderr]     Checking log v0.4.5
[INFO] [stderr]    Compiling lazy_static v1.1.0
[INFO] [stderr]    Compiling memchr v2.1.0
[INFO] [stderr]     Checking lock_api v0.1.4
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]    Compiling parking_lot_core v0.3.1
[INFO] [stderr]     Checking unreachable v1.0.0
[INFO] [stderr]     Checking rand_core v0.2.2
[INFO] [stderr]     Checking mio v0.6.16
[INFO] [stderr]     Checking smallvec v0.6.5
[INFO] [stderr]     Checking rand v0.5.5
[INFO] [stderr]     Checking bytes v0.4.10
[INFO] [stderr]     Checking url v1.7.1
[INFO] [stderr]     Checking combine v3.6.1
[INFO] [stderr]     Checking tokio-io v0.1.9
[INFO] [stderr]     Checking tokio-executor v0.1.5
[INFO] [stderr]     Checking tokio-codec v0.1.1
[INFO] [stderr]     Checking parking_lot v0.6.4
[INFO] [stderr]     Checking tokio-reactor v0.1.6
[INFO] [stderr]     Checking tokio-tcp v0.1.2
[INFO] [stderr]     Checking redis v0.9.1
[INFO] [stderr]     Checking rrast v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 24.14s
[INFO] running `Command { std: "docker" "inspect" "a05127a8b2b1d6c3a36881104fbfce6eb2a0bdc90e7d181bfa931f3536ab6594", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a05127a8b2b1d6c3a36881104fbfce6eb2a0bdc90e7d181bfa931f3536ab6594", kill_on_drop: false }`
[INFO] [stdout] a05127a8b2b1d6c3a36881104fbfce6eb2a0bdc90e7d181bfa931f3536ab6594