[INFO] fetching crate rbw 0.5.0...
[INFO] checking rbw-0.5.0 against beta for pr-78714
[INFO] extracting crate rbw 0.5.0 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate rbw 0.5.0 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 crates.io crate rbw 0.5.0
[INFO] finished tweaking crates.io crate rbw 0.5.0
[INFO] tweaked toml for crates.io crate rbw 0.5.0 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate crates.io crate rbw 0.5.0 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] [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-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 2ac12a883c0c88a400b79fb3c3a18f4efb1a9f7f75ea20e655e12f67cd5c8623
[INFO] running `Command { std: "docker" "start" "-a" "2ac12a883c0c88a400b79fb3c3a18f4efb1a9f7f75ea20e655e12f67cd5c8623", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2ac12a883c0c88a400b79fb3c3a18f4efb1a9f7f75ea20e655e12f67cd5c8623", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ac12a883c0c88a400b79fb3c3a18f4efb1a9f7f75ea20e655e12f67cd5c8623", kill_on_drop: false }`
[INFO] [stdout] 2ac12a883c0c88a400b79fb3c3a18f4efb1a9f7f75ea20e655e12f67cd5c8623
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] 4c600994c9de00869df698f741b5ac942f67dd4f7c4291bf891143ddd0c1a94d
[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" "4c600994c9de00869df698f741b5ac942f67dd4f7c4291bf891143ddd0c1a94d", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.44
[INFO] [stderr]     Checking rustc-demangle v0.1.17
[INFO] [stderr]     Checking regex-syntax v0.6.19
[INFO] [stderr]     Checking paw-raw v1.0.0
[INFO] [stderr]     Checking boxfnonce v0.1.1
[INFO] [stderr]     Checking rustc-hex v1.0.0
[INFO] [stderr]     Checking arrayvec v0.5.1
[INFO] [stderr]     Checking signal-hook-registry v1.2.1
[INFO] [stderr]     Checking term_size v0.3.2
[INFO] [stderr]     Checking ring v0.16.15
[INFO] [stderr]     Checking generic-array v0.7.3
[INFO] [stderr]     Checking region v2.2.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking mio v0.6.22
[INFO] [stderr]     Checking directories v3.0.1
[INFO] [stderr]     Checking native-tls v0.2.4
[INFO] [stderr]     Checking uuid v0.8.1
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking daemonize v0.4.1
[INFO] [stderr]     Checking digest v0.5.2
[INFO] [stderr]     Checking digest-buffer v0.3.1
[INFO] [stderr]     Checking crypto-mac v0.3.0
[INFO] [stderr]     Checking sha2 v0.5.3
[INFO] [stderr]     Checking sha-1 v0.3.4
[INFO] [stderr]     Checking hmac v0.1.1
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking backtrace v0.3.53
[INFO] [stderr]     Checking oath v0.10.2
[INFO] [stderr]     Checking mio-uds v0.6.8
[INFO] [stderr]     Checking regex v1.4.0
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]    Compiling darling_core v0.10.2
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling tokio-macros v0.2.5
[INFO] [stderr]    Compiling pin-project-internal v0.4.27
[INFO] [stderr]    Compiling serde_derive v1.0.116
[INFO] [stderr]    Compiling paw-attributes v1.0.2
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling snafu-derive v0.6.9
[INFO] [stderr]    Compiling structopt-derive v0.4.13
[INFO] [stderr]    Compiling async-trait v0.1.41
[INFO] [stderr]    Compiling darling_macro v0.10.2
[INFO] [stderr]     Checking paw v1.0.0
[INFO] [stderr]     Checking tokio v0.2.22
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking structopt v0.3.20
[INFO] [stderr]    Compiling darling v0.10.2
[INFO] [stderr]     Checking pin-project v0.4.27
[INFO] [stderr]     Checking snafu v0.6.9
[INFO] [stderr]    Compiling derive_builder_core v0.9.0
[INFO] [stderr]     Checking futures-util v0.3.6
[INFO] [stderr]    Compiling derive_builder v0.9.0
[INFO] [stderr]     Checking chbs v0.0.10
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]     Checking tokio-tls v0.3.1
[INFO] [stderr]     Checking serde v1.0.116
[INFO] [stderr]     Checking h2 v0.2.6
[INFO] [stderr]     Checking serde_urlencoded v0.6.1
[INFO] [stderr]     Checking serde_json v1.0.59
[INFO] [stderr]     Checking serde_path_to_error v0.1.3
[INFO] [stderr]     Checking hyper v0.13.8
[INFO] [stderr]     Checking hyper-tls v0.4.3
[INFO] [stderr]     Checking reqwest v0.10.8
[INFO] [stderr]     Checking rbw v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 20s
[INFO] running `Command { std: "docker" "inspect" "4c600994c9de00869df698f741b5ac942f67dd4f7c4291bf891143ddd0c1a94d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c600994c9de00869df698f741b5ac942f67dd4f7c4291bf891143ddd0c1a94d", kill_on_drop: false }`
[INFO] [stdout] 4c600994c9de00869df698f741b5ac942f67dd4f7c4291bf891143ddd0c1a94d