[INFO] fetching crate toast 0.31.0...
[INFO] checking toast-0.31.0 against beta-2020-07-24 for pr-75494-beta
[INFO] extracting crate toast 0.31.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate toast 0.31.0 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 toast 0.31.0
[INFO] finished tweaking crates.io crate toast 0.31.0
[INFO] tweaked toml for crates.io crate toast 0.31.0 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate crates.io crate toast 0.31.0 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] [stderr]     Blocking waiting for file lock on package cache
[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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b0e5310ce589b1a346be6d6f648ecff1b4f6b3d514483f5635501f688ad0c36f
[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" "b0e5310ce589b1a346be6d6f648ecff1b4f6b3d514483f5635501f688ad0c36f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b0e5310ce589b1a346be6d6f648ecff1b4f6b3d514483f5635501f688ad0c36f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b0e5310ce589b1a346be6d6f648ecff1b4f6b3d514483f5635501f688ad0c36f", kill_on_drop: false }`
[INFO] [stdout] b0e5310ce589b1a346be6d6f648ecff1b4f6b3d514483f5635501f688ad0c36f
[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: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] 52019234a51391b9b33b975001313641db1aaa623165f13399b648a7c36b51f4
[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" "52019234a51391b9b33b975001313641db1aaa623165f13399b648a7c36b51f4", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.65
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.6
[INFO] [stderr]    Compiling typenum v1.11.2
[INFO] [stderr]    Compiling getrandom v0.1.12
[INFO] [stderr]     Checking scopeguard v1.0.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking regex-syntax v0.6.12
[INFO] [stderr]    Compiling winapi v0.3.8
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]     Checking byte-tools v0.3.1
[INFO] [stderr]    Compiling serde v1.0.101
[INFO] [stderr]     Checking smallvec v0.6.10
[INFO] [stderr]    Compiling nix v0.14.1
[INFO] [stderr]     Checking rgb v0.8.14
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking quick-error v1.2.2
[INFO] [stderr]     Checking fake-simd v0.1.2
[INFO] [stderr]     Checking opaque-debug v0.2.3
[INFO] [stderr]     Checking remove_dir_all v0.5.2
[INFO] [stderr]     Checking hex v0.3.2
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]     Checking lock_api v0.3.1
[INFO] [stderr]     Checking crossbeam-utils v0.6.6
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking block-padding v0.1.4
[INFO] [stderr]     Checking yaml-rust v0.4.3
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]     Checking log v0.4.8
[INFO] [stderr]    Compiling memoffset v0.5.1
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]     Checking crossbeam-channel v0.3.9
[INFO] [stderr]     Checking crossbeam-queue v0.1.2
[INFO] [stderr]     Checking aho-corasick v0.7.6
[INFO] [stderr]     Checking crossbeam-epoch v0.7.2
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking termios v0.3.1
[INFO] [stderr]     Checking term_size v0.3.1
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking atty v0.2.13
[INFO] [stderr]     Checking clicolors-control v1.0.1
[INFO] [stderr]     Checking filetime v0.2.7
[INFO] [stderr]     Checking xattr v0.2.2
[INFO] [stderr]     Checking dirs v1.0.5
[INFO] [stderr]     Checking crossbeam-deque v0.7.1
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking number_prefix v0.2.8
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking generic-array v0.12.3
[INFO] [stderr]     Checking tar v0.4.26
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking cgmath v0.16.1
[INFO] [stderr]     Checking crossbeam v0.7.2
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking rand v0.7.2
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking digest v0.8.1
[INFO] [stderr]     Checking sha2 v0.8.0
[INFO] [stderr]     Checking regex v1.3.1
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]     Checking uuid v0.7.4
[INFO] [stderr]     Checking console v0.9.0
[INFO] [stderr]     Checking env_logger v0.6.2
[INFO] [stderr]     Checking winconsole v0.10.0
[INFO] [stderr]     Checking colored v1.8.0
[INFO] [stderr]     Checking indicatif v0.11.0
[INFO] [stderr]     Checking ctrlc v3.1.3
[INFO] [stderr]    Compiling serde_derive v1.0.101
[INFO] [stderr]     Checking serde_yaml v0.8.11
[INFO] [stderr]     Checking toast v0.31.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 57.85s
[INFO] running `Command { std: "docker" "inspect" "52019234a51391b9b33b975001313641db1aaa623165f13399b648a7c36b51f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "52019234a51391b9b33b975001313641db1aaa623165f13399b648a7c36b51f4", kill_on_drop: false }`
[INFO] [stdout] 52019234a51391b9b33b975001313641db1aaa623165f13399b648a7c36b51f4
