[INFO] cloning repository https://github.com/boiding/workshop-server
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/boiding/workshop-server" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fboiding%2Fworkshop-server", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fboiding%2Fworkshop-server'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 840f17f028747c967fd7e2a22012292dc0f53236
[INFO] checking boiding/workshop-server against try#b20a093d9fb1ffaa04ae9852cb034864a992bafd for pr-85073
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fboiding%2Fworkshop-server" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/boiding/workshop-server on toolchain b20a093d9fb1ffaa04ae9852cb034864a992bafd
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/boiding/workshop-server
[INFO] finished tweaking git repo https://github.com/boiding/workshop-server
[INFO] tweaked toml for git repo https://github.com/boiding/workshop-server written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/boiding/workshop-server already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded random v0.12.2
[INFO] [stderr]   Downloaded unsafe-any v0.4.2
[INFO] [stderr]   Downloaded staticfile v0.5.0
[INFO] [stderr]   Downloaded sha-1 v0.8.1
[INFO] [stderr]   Downloaded logger v0.4.0
[INFO] [stderr]   Downloaded router v0.6.0
[INFO] [stderr]   Downloaded mime_guess v1.8.7
[INFO] [stderr]   Downloaded ws v0.9.1
[INFO] [stderr]   Downloaded route-recognizer v0.1.13
[INFO] [stderr]   Downloaded simplelog v0.7.4
[INFO] [stderr]   Downloaded mount v0.4.0
[INFO] [stderr]   Downloaded iron v0.6.1
[INFO] [stderr]   Downloaded sequence_trie v0.3.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 911bb8beddeca1d3331fbf0319e535a053e2ab0037eff07dc5c738065bb0577c
[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" "911bb8beddeca1d3331fbf0319e535a053e2ab0037eff07dc5c738065bb0577c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "911bb8beddeca1d3331fbf0319e535a053e2ab0037eff07dc5c738065bb0577c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "911bb8beddeca1d3331fbf0319e535a053e2ab0037eff07dc5c738065bb0577c", kill_on_drop: false }`
[INFO] [stdout] 911bb8beddeca1d3331fbf0319e535a053e2ab0037eff07dc5c738065bb0577c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e18041c13eb41764791d3b63f188d40d8b88b222ed19f3be99e0c23c6318f83f
[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" "e18041c13eb41764791d3b63f188d40d8b88b222ed19f3be99e0c23c6318f83f", kill_on_drop: false }`
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling siphasher v0.2.3
[INFO] [stderr]     Checking safemem v0.3.3
[INFO] [stderr]    Compiling typenum v1.11.2
[INFO] [stderr]    Compiling getrandom v0.1.12
[INFO] [stderr]     Checking ppv-lite86 v0.2.6
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]     Checking sequence_trie v0.3.6
[INFO] [stderr]     Checking take v0.1.0
[INFO] [stderr]     Checking smallvec v0.2.1
[INFO] [stderr]     Checking dotenv v0.15.0
[INFO] [stderr]     Checking random v0.12.2
[INFO] [stderr]     Checking crossbeam-utils v0.6.6
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking unsafe-any v0.4.2
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]     Checking block-padding v0.1.4
[INFO] [stderr]    Compiling unicase v2.5.1
[INFO] [stderr]     Checking tokio-service v0.1.0
[INFO] [stderr]     Checking relay v0.1.1
[INFO] [stderr]     Checking log v0.4.8
[INFO] [stderr]     Checking arrayvec v0.4.12
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]    Compiling memoffset v0.5.1
[INFO] [stderr]     Checking dirs-sys v0.3.4
[INFO] [stderr]     Checking futures-cpupool v0.1.8
[INFO] [stderr]     Checking parking_lot_core v0.6.2
[INFO] [stderr]     Checking base64 v0.9.3
[INFO] [stderr]     Checking typemap v0.3.3
[INFO] [stderr]     Checking phf_shared v0.7.24
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling rand_jitter v0.1.4
[INFO] [stderr]     Checking dirs v2.0.2
[INFO] [stderr]     Checking tokio-io v0.1.12
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking want v0.0.4
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]     Checking plugin v0.2.6
[INFO] [stderr]     Checking mio v0.6.19
[INFO] [stderr]     Checking term v0.6.1
[INFO] [stderr]     Checking parking_lot v0.9.0
[INFO] [stderr]     Checking phf v0.7.24
[INFO] [stderr]     Checking tokio-executor v0.1.8
[INFO] [stderr]     Checking crossbeam-epoch v0.7.2
[INFO] [stderr]     Checking crossbeam-queue v0.1.2
[INFO] [stderr]     Checking c2-chacha v0.2.3
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking mime v0.2.6
[INFO] [stderr]     Checking tokio-timer v0.2.11
[INFO] [stderr]     Checking tokio-current-thread v0.1.6
[INFO] [stderr]     Checking url v2.1.0
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking tokio-codec v0.1.1
[INFO] [stderr]     Checking hyper v0.10.16
[INFO] [stderr]     Checking crossbeam-deque v0.7.1
[INFO] [stderr]     Checking rand v0.7.2
[INFO] [stderr]     Checking tokio-threadpool v0.1.16
[INFO] [stderr]     Checking tokio-reactor v0.1.10
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]     Checking mio-extras v2.0.5
[INFO] [stderr]     Checking tokio-fs v0.1.6
[INFO] [stderr]     Checking chrono v0.4.9
[INFO] [stderr]     Checking tokio-uds v0.2.5
[INFO] [stderr]     Checking tokio-tcp v0.1.3
[INFO] [stderr]     Checking tokio-udp v0.1.5
[INFO] [stderr]     Checking generic-array v0.12.3
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]     Checking tokio v0.1.22
[INFO] [stderr]     Checking digest v0.8.1
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]    Compiling mime_guess v1.8.7
[INFO] [stderr]     Checking sha-1 v0.8.1
[INFO] [stderr]     Checking simplelog v0.7.4
[INFO] [stderr]     Checking tokio-core v0.1.17
[INFO] [stderr]     Checking ws v0.9.1
[INFO] [stderr]     Checking tokio-proto v0.1.1
[INFO] [stderr]     Checking hyper v0.11.27
[INFO] [stderr]     Checking iron v0.6.1
[INFO] [stderr]     Checking mount v0.4.0
[INFO] [stderr]     Checking router v0.6.0
[INFO] [stderr]     Checking logger v0.4.0
[INFO] [stderr]    Compiling serde_derive v1.0.101
[INFO] [stderr]     Checking staticfile v0.5.0
[INFO] [stderr]     Checking bws v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 24.57s
[INFO] running `Command { std: "docker" "inspect" "e18041c13eb41764791d3b63f188d40d8b88b222ed19f3be99e0c23c6318f83f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e18041c13eb41764791d3b63f188d40d8b88b222ed19f3be99e0c23c6318f83f", kill_on_drop: false }`
[INFO] [stdout] e18041c13eb41764791d3b63f188d40d8b88b222ed19f3be99e0c23c6318f83f