[INFO] cloning repository https://github.com/jayong93/2019-stresstest
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jayong93/2019-stresstest" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjayong93%2F2019-stresstest", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjayong93%2F2019-stresstest'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 856b89c4b3586524e05f1d300282fa1af7816e9d
[INFO] checking jayong93/2019-stresstest against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjayong93%2F2019-stresstest" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jayong93/2019-stresstest on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jayong93/2019-stresstest
[INFO] finished tweaking git repo https://github.com/jayong93/2019-stresstest
[INFO] tweaked toml for git repo https://github.com/jayong93/2019-stresstest written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/jayong93/2019-stresstest already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3da44163b99ec414e65476d7d7afe2a2fff187a52a9c2bf40945ba97ddf45cd9
[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" "3da44163b99ec414e65476d7d7afe2a2fff187a52a9c2bf40945ba97ddf45cd9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3da44163b99ec414e65476d7d7afe2a2fff187a52a9c2bf40945ba97ddf45cd9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3da44163b99ec414e65476d7d7afe2a2fff187a52a9c2bf40945ba97ddf45cd9", kill_on_drop: false }`
[INFO] [stdout] 3da44163b99ec414e65476d7d7afe2a2fff187a52a9c2bf40945ba97ddf45cd9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 471ae5dc64bd7f946e85543fc94f8537b8cc46300938338df3e79bad130fc83c
[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" "471ae5dc64bd7f946e85543fc94f8537b8cc46300938338df3e79bad130fc83c", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.48
[INFO] [stderr]     Checking hashbag v0.1.2
[INFO] [stderr]    Compiling num-iter v0.1.40
[INFO] [stderr]     Checking num-complex v0.2.4
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]     Checking num-bigint v0.2.6
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking net2 v0.2.34
[INFO] [stderr]     Checking parking_lot_core v0.7.2
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]     Checking signal-hook-registry v1.2.0
[INFO] [stderr]     Checking mio v0.7.4
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking evmap v9.0.1
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking mio v0.6.22
[INFO] [stderr]     Checking parking_lot v0.10.2
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]    Compiling quote v1.0.4
[INFO] [stderr]     Checking signal-hook v0.1.14
[INFO] [stderr]     Checking crossterm v0.17.4
[INFO] [stderr]     Checking num-rational v0.2.4
[INFO] [stderr]     Checking num v0.2.1
[INFO] [stderr]     Checking tui v0.9.1
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.2
[INFO] [stderr]    Compiling tokio-macros v0.3.1
[INFO] [stderr]    Compiling num-derive v0.3.0
[INFO] [stderr]    Compiling proc-macro-error v1.0.2
[INFO] [stderr]     Checking tokio v0.3.1
[INFO] [stderr]    Compiling structopt-derive v0.4.7
[INFO] [stderr]     Checking structopt v0.3.14
[INFO] [stderr]     Checking rust_pl_stresstest v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 53.78s
[INFO] running `Command { std: "docker" "inspect" "471ae5dc64bd7f946e85543fc94f8537b8cc46300938338df3e79bad130fc83c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "471ae5dc64bd7f946e85543fc94f8537b8cc46300938338df3e79bad130fc83c", kill_on_drop: false }`
[INFO] [stdout] 471ae5dc64bd7f946e85543fc94f8537b8cc46300938338df3e79bad130fc83c