[INFO] fetching crate helion 0.5.0...
[INFO] checking helion-0.5.0 against beta-2020-07-24 for pr-75494-beta
[INFO] extracting crate helion 0.5.0 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate helion 0.5.0 on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate helion 0.5.0
[INFO] finished tweaking crates.io crate helion 0.5.0
[INFO] tweaked toml for crates.io crate helion 0.5.0 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate crates.io crate helion 0.5.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "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" "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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 93dc9a8fd0a2241bcc2c261da6acec23a8d61022ffe9c89eebbaf2bd855d2ad6
[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" "93dc9a8fd0a2241bcc2c261da6acec23a8d61022ffe9c89eebbaf2bd855d2ad6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "93dc9a8fd0a2241bcc2c261da6acec23a8d61022ffe9c89eebbaf2bd855d2ad6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "93dc9a8fd0a2241bcc2c261da6acec23a8d61022ffe9c89eebbaf2bd855d2ad6", kill_on_drop: false }`
[INFO] [stdout] 93dc9a8fd0a2241bcc2c261da6acec23a8d61022ffe9c89eebbaf2bd855d2ad6
[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" "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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 120cf6aa7e333cd90627af3d6dd2adc79c7824543437cab600b21897ee24132f
[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" "120cf6aa7e333cd90627af3d6dd2adc79c7824543437cab600b21897ee24132f", kill_on_drop: false }`
[INFO] [stderr]    Compiling error-chain v0.10.0
[INFO] [stderr]    Compiling pkg-config v0.3.9
[INFO] [stderr]     Checking libc v0.2.23
[INFO] [stderr]    Compiling toml v0.2.1
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]    Compiling x11cap v0.4.1
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]     Checking libc v0.1.12
[INFO] [stderr]    Compiling helion v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking serde v1.0.8
[INFO] [stderr]     Checking num-traits v0.1.39
[INFO] [stderr]     Checking dtoa v0.4.1
[INFO] [stderr]     Checking itoa v0.3.1
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]     Checking clock_ticks v0.1.0
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]    Compiling metadeps v1.1.2
[INFO] [stderr]     Checking ioctl-rs v0.1.5
[INFO] [stderr]     Checking termios v0.2.2
[INFO] [stderr]     Checking serial v0.3.4
[INFO] [stderr]    Compiling x11 v2.14.0
[INFO] [stderr]    Compiling serde_derive_internals v0.15.1
[INFO] [stderr]    Compiling serde_derive v1.0.8
[INFO] [stderr]     Checking captrs v0.3.0
[INFO] [stderr]     Checking serde_json v1.0.2
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 29.08s
[INFO] running `Command { std: "docker" "inspect" "120cf6aa7e333cd90627af3d6dd2adc79c7824543437cab600b21897ee24132f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "120cf6aa7e333cd90627af3d6dd2adc79c7824543437cab600b21897ee24132f", kill_on_drop: false }`
[INFO] [stdout] 120cf6aa7e333cd90627af3d6dd2adc79c7824543437cab600b21897ee24132f
