[INFO] fetching crate sheep_cli 0.3.0...
[INFO] checking sheep_cli-0.3.0 against beta for pr-78714
[INFO] extracting crate sheep_cli 0.3.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate sheep_cli 0.3.0 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 sheep_cli 0.3.0
[INFO] finished tweaking crates.io crate sheep_cli 0.3.0
[INFO] tweaked toml for crates.io crate sheep_cli 0.3.0 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate crates.io crate sheep_cli 0.3.0 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 9fd1be611d5eb4b74f29a0b5d556bfbe2184de97f0bf9a24e8ea301efd9b74e8
[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" "9fd1be611d5eb4b74f29a0b5d556bfbe2184de97f0bf9a24e8ea301efd9b74e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9fd1be611d5eb4b74f29a0b5d556bfbe2184de97f0bf9a24e8ea301efd9b74e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9fd1be611d5eb4b74f29a0b5d556bfbe2184de97f0bf9a24e8ea301efd9b74e8", kill_on_drop: false }`
[INFO] [stdout] 9fd1be611d5eb4b74f29a0b5d556bfbe2184de97f0bf9a24e8ea301efd9b74e8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 73962defbedda330299d1e894e37f2f67a0ffa7488ea28df40b578e532f110fb
[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" "73962defbedda330299d1e894e37f2f67a0ffa7488ea28df40b578e532f110fb", kill_on_drop: false }`
[INFO] [stderr]     Checking adler32 v1.0.3
[INFO] [stderr]    Compiling proc-macro2 v1.0.1
[INFO] [stderr]    Compiling getrandom v0.1.10
[INFO] [stderr]    Compiling syn v1.0.3
[INFO] [stderr]    Compiling serde v1.0.99
[INFO] [stderr]     Checking rgb v0.8.13
[INFO] [stderr]     Checking bit-vec v0.6.1
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]     Checking crossbeam-utils v0.6.6
[INFO] [stderr]    Compiling num-iter v0.1.39
[INFO] [stderr]    Compiling num-rational v0.2.2
[INFO] [stderr]    Compiling cloudflare-zlib-sys v0.2.0
[INFO] [stderr]     Checking itertools v0.8.0
[INFO] [stderr]     Checking gif v0.10.2
[INFO] [stderr]     Checking deflate v0.7.20
[INFO] [stderr]     Checking inflate v0.4.5
[INFO] [stderr]     Checking zopfli v0.4.0
[INFO] [stderr]     Checking miniz_oxide v0.2.3
[INFO] [stderr]     Checking crossbeam-epoch v0.7.2
[INFO] [stderr]     Checking crossbeam-queue v0.1.2
[INFO] [stderr]     Checking rand_core v0.5.0
[INFO] [stderr]     Checking png v0.15.0
[INFO] [stderr]     Checking crossbeam-deque v0.6.3
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking rayon-core v1.5.0
[INFO] [stderr]     Checking rand v0.7.0
[INFO] [stderr]     Checking tiff v0.2.2
[INFO] [stderr]     Checking rayon v1.1.0
[INFO] [stderr]     Checking cloudflare-zlib v0.2.3
[INFO] [stderr]     Checking png v0.14.1
[INFO] [stderr]     Checking png v0.12.0
[INFO] [stderr]     Checking twox-hash v1.5.0
[INFO] [stderr]     Checking image v0.21.2
[INFO] [stderr]     Checking jpeg-decoder v0.1.15
[INFO] [stderr]     Checking oxipng v2.2.2
[INFO] [stderr]     Checking image v0.20.1
[INFO] [stderr]    Compiling serde_derive v1.0.99
[INFO] [stderr]     Checking sheep v0.3.0
[INFO] [stderr]     Checking ron v0.4.2
[INFO] [stderr]     Checking sheep_cli v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 50.73s
[INFO] running `Command { std: "docker" "inspect" "73962defbedda330299d1e894e37f2f67a0ffa7488ea28df40b578e532f110fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "73962defbedda330299d1e894e37f2f67a0ffa7488ea28df40b578e532f110fb", kill_on_drop: false }`
[INFO] [stdout] 73962defbedda330299d1e894e37f2f67a0ffa7488ea28df40b578e532f110fb