[INFO] fetching crate gym-rs 0.2.1...
[INFO] checking gym-rs-0.2.1 against master#0599f3403366d9c57f0625e6de3af214b5042a90 for pr-87710
[INFO] extracting crate gym-rs 0.2.1 into /workspace/builds/worker-71/source
[INFO] validating manifest of crates.io crate gym-rs 0.2.1 on toolchain 0599f3403366d9c57f0625e6de3af214b5042a90
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0599f3403366d9c57f0625e6de3af214b5042a90" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate gym-rs 0.2.1
[INFO] finished tweaking crates.io crate gym-rs 0.2.1
[INFO] tweaked toml for crates.io crate gym-rs 0.2.1 written to /workspace/builds/worker-71/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0599f3403366d9c57f0625e6de3af214b5042a90" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0599f3403366d9c57f0625e6de3af214b5042a90" "fetch" "--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-71/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-71/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+0599f3403366d9c57f0625e6de3af214b5042a90" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b5f60f3327ae68841b600806f7bab4802b9e0364e4db26c0e5e3c60eb9136431
[INFO] running `Command { std: "docker" "start" "-a" "b5f60f3327ae68841b600806f7bab4802b9e0364e4db26c0e5e3c60eb9136431", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b5f60f3327ae68841b600806f7bab4802b9e0364e4db26c0e5e3c60eb9136431", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b5f60f3327ae68841b600806f7bab4802b9e0364e4db26c0e5e3c60eb9136431", kill_on_drop: false }`
[INFO] [stdout] b5f60f3327ae68841b600806f7bab4802b9e0364e4db26c0e5e3c60eb9136431
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-71/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-71/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+0599f3403366d9c57f0625e6de3af214b5042a90" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 58bd66806849fee5bffc2140bc4e2102364798cce9fcb0b2609afa24c4077bea
[INFO] running `Command { std: "docker" "start" "-a" "58bd66806849fee5bffc2140bc4e2102364798cce9fcb0b2609afa24c4077bea", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.100
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]    Compiling syn v1.0.75
[INFO] [stderr]     Checking bytemuck v1.7.2
[INFO] [stderr]     Checking plotters-backend v0.3.2
[INFO] [stderr]     Checking jpeg-decoder v0.1.22
[INFO] [stderr]     Checking weezl v0.1.5
[INFO] [stderr]     Checking float-ord v0.2.0
[INFO] [stderr]     Checking ttf-parser v0.12.3
[INFO] [stderr]     Checking find_folder v0.3.0
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-bigint v0.3.2
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling cmake v0.1.45
[INFO] [stderr]    Compiling servo-fontconfig-sys v5.1.0
[INFO] [stderr]     Checking deflate v0.8.6
[INFO] [stderr]     Checking miniz_oxide v0.3.7
[INFO] [stderr]    Compiling semver-parser v0.10.2
[INFO] [stderr]     Checking num-complex v0.3.1
[INFO] [stderr]     Checking plotters-svg v0.3.1
[INFO] [stderr]    Compiling freetype-sys v0.13.1
[INFO] [stderr]    Compiling expat-sys v2.1.6
[INFO] [stderr]     Checking gif v0.11.2
[INFO] [stderr]    Compiling semver v0.11.0
[INFO] [stderr]     Checking png v0.16.8
[INFO] [stderr]    Compiling rustc_version v0.3.3
[INFO] [stderr]    Compiling pathfinder_simd v0.5.1
[INFO] [stderr]     Checking getrandom v0.1.16
[INFO] [stderr]     Checking dirs-sys-next v0.1.2
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking backtrace v0.3.61
[INFO] [stderr]     Checking dirs-next v2.0.0
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking freetype v0.7.0
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand_pcg v0.2.1
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking servo-fontconfig v0.5.1
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking pathfinder_geometry v0.5.1
[INFO] [stderr]     Checking image v0.23.14
[INFO] [stderr]     Checking num v0.3.1
[INFO] [stderr]     Checking font-kit v0.10.1
[INFO] [stderr]     Checking plotters-bitmap v0.3.1
[INFO] [stderr]    Compiling synstructure v0.12.5
[INFO] [stderr]     Checking plotters v0.3.1
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking gym-rs v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 23.14s
[INFO] running `Command { std: "docker" "inspect" "58bd66806849fee5bffc2140bc4e2102364798cce9fcb0b2609afa24c4077bea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "58bd66806849fee5bffc2140bc4e2102364798cce9fcb0b2609afa24c4077bea", kill_on_drop: false }`
[INFO] [stdout] 58bd66806849fee5bffc2140bc4e2102364798cce9fcb0b2609afa24c4077bea