[INFO] updating cached repository https://github.com/hawkw/tokio-deadlock-repro
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1a7f91e84e3cb39629c1026d8de1a7b4b83fde18
[INFO] checking hawkw/tokio-deadlock-repro against master#4fb54ed484e2239a3e9eff3be17df00d2a162be3 for pr-73345
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhawkw%2Ftokio-deadlock-repro" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/hawkw/tokio-deadlock-repro on toolchain 4fb54ed484e2239a3e9eff3be17df00d2a162be3
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4fb54ed484e2239a3e9eff3be17df00d2a162be3" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/hawkw/tokio-deadlock-repro
[INFO] finished tweaking git repo https://github.com/hawkw/tokio-deadlock-repro
[INFO] tweaked toml for git repo https://github.com/hawkw/tokio-deadlock-repro written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/hawkw/tokio-deadlock-repro already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4fb54ed484e2239a3e9eff3be17df00d2a162be3" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:6c9ffe128752d56c8d75334ed354142a5229917ed99767f56566dd8e857ad726" "/opt/rustwide/cargo-home/bin/cargo" "+4fb54ed484e2239a3e9eff3be17df00d2a162be3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1b736b0e8975dd91bb94469eeb785ade261e8bd6902b0645698c8f87fc0f1980
[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" "1b736b0e8975dd91bb94469eeb785ade261e8bd6902b0645698c8f87fc0f1980", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1b736b0e8975dd91bb94469eeb785ade261e8bd6902b0645698c8f87fc0f1980", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b736b0e8975dd91bb94469eeb785ade261e8bd6902b0645698c8f87fc0f1980", kill_on_drop: false }`
[INFO] [stdout] 1b736b0e8975dd91bb94469eeb785ade261e8bd6902b0645698c8f87fc0f1980
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:6c9ffe128752d56c8d75334ed354142a5229917ed99767f56566dd8e857ad726" "/opt/rustwide/cargo-home/bin/cargo" "+4fb54ed484e2239a3e9eff3be17df00d2a162be3" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cf6112e4690e3bc03ca583de189cffcf238e11a548191d912fe18cd72d153a51
[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" "cf6112e4690e3bc03ca583de189cffcf238e11a548191d912fe18cd72d153a51", kill_on_drop: false }`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Checking libc v0.2.43
[INFO] [stderr]     Checking cfg-if v0.1.5
[INFO] [stderr]     Checking byteorder v1.2.4
[INFO] [stderr]     Checking crossbeam-utils v0.5.0
[INFO] [stderr]     Checking slab v0.4.1
[INFO] [stderr]     Checking stable_deref_trait v1.1.1
[INFO] [stderr]     Checking rand_core v0.2.1
[INFO] [stderr]     Checking ucd-util v0.1.1
[INFO] [stderr]    Compiling regex v1.0.2
[INFO] [stderr]     Checking utf8-ranges v1.0.0
[INFO] [stderr]     Checking termcolor v1.0.1
[INFO] [stderr]    Compiling lazy_static v1.1.0
[INFO] [stderr]     Checking tokio-executor v0.1.3 (https://github.com/tokio-rs/tokio.git#d822b721)
[INFO] [stderr]     Checking smallvec v0.6.4
[INFO] [stderr]     Checking humantime v1.1.1
[INFO] [stderr]     Checking log v0.4.3
[INFO] [stderr]     Checking owning_ref v0.3.3
[INFO] [stderr]     Checking regex-syntax v0.6.2
[INFO] [stderr]     Checking tokio-current-thread v0.1.1 (https://github.com/tokio-rs/tokio.git#d822b721)
[INFO] [stderr]     Checking tokio-timer v0.2.5 (https://github.com/tokio-rs/tokio.git#d822b721)
[INFO] [stderr]     Checking lock_api v0.1.3
[INFO] [stderr]     Checking crossbeam-epoch v0.5.2
[INFO] [stderr]     Checking thread_local v0.3.5
[INFO] [stderr]     Checking iovec v0.1.2
[INFO] [stderr]     Checking num_cpus v1.8.0
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking rand v0.4.2
[INFO] [stderr]     Checking rand v0.5.5
[INFO] [stderr]     Checking memchr v2.0.1
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]     Checking crossbeam-deque v0.6.1
[INFO] [stderr]     Checking bytes v0.4.9
[INFO] [stderr]     Checking aho-corasick v0.6.6
[INFO] [stderr]     Checking mio v0.6.15
[INFO] [stderr]     Checking tokio-io v0.1.7 (https://github.com/tokio-rs/tokio.git#d822b721)
[INFO] [stderr]     Checking parking_lot_core v0.2.14
[INFO] [stderr]     Checking mio-uds v0.6.6
[INFO] [stderr]     Checking parking_lot v0.6.3
[INFO] [stderr]     Checking tokio-threadpool v0.1.5 (https://github.com/tokio-rs/tokio.git#d822b721)
[INFO] [stderr]     Checking tokio-codec v0.1.0 (https://github.com/tokio-rs/tokio.git#d822b721)
[INFO] [stderr]     Checking tokio-reactor v0.1.3 (https://github.com/tokio-rs/tokio.git#d822b721)
[INFO] [stderr]     Checking tokio-uds v0.2.1 (https://github.com/tokio-rs/tokio.git#d822b721)
[INFO] [stderr]     Checking tokio-tcp v0.1.1 (https://github.com/tokio-rs/tokio.git#d822b721)
[INFO] [stderr]     Checking tokio-udp v0.1.1 (https://github.com/tokio-rs/tokio.git#d822b721)
[INFO] [stderr]     Checking tokio-fs v0.1.3 (https://github.com/tokio-rs/tokio.git#d822b721)
[INFO] [stderr]     Checking tokio v0.1.7 (https://github.com/tokio-rs/tokio.git#d822b721)
[INFO] [stderr]     Checking env_logger v0.5.12
[INFO] [stderr]     Checking deadlock-repro v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.41s
[INFO] running `Command { std: "docker" "inspect" "cf6112e4690e3bc03ca583de189cffcf238e11a548191d912fe18cd72d153a51", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf6112e4690e3bc03ca583de189cffcf238e11a548191d912fe18cd72d153a51", kill_on_drop: false }`
[INFO] [stdout] cf6112e4690e3bc03ca583de189cffcf238e11a548191d912fe18cd72d153a51