[INFO] fetching crate dochy_fs 0.4.0...
[INFO] checking dochy_fs-0.4.0 against try#7b3565da729099dbe807466fcd118fb2815986e0 for pr-81789
[INFO] extracting crate dochy_fs 0.4.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate dochy_fs 0.4.0 on toolchain 7b3565da729099dbe807466fcd118fb2815986e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7b3565da729099dbe807466fcd118fb2815986e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate dochy_fs 0.4.0
[INFO] finished tweaking crates.io crate dochy_fs 0.4.0
[INFO] tweaked toml for crates.io crate dochy_fs 0.4.0 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7b3565da729099dbe807466fcd118fb2815986e0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7b3565da729099dbe807466fcd118fb2815986e0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded metrohash v1.0.6
[INFO] [stderr]   Downloaded snap v1.0.4
[INFO] [stderr]   Downloaded bit-vec v0.6.3
[INFO] [stderr]   Downloaded dochy_diff v0.4.0
[INFO] [stderr]   Downloaded with_capacity_safe v0.3.0
[INFO] [stderr]   Downloaded dochy_compaction v0.4.0
[INFO] [stderr]   Downloaded dochy_archiver v0.4.0
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+7b3565da729099dbe807466fcd118fb2815986e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9bd11507210bc3d229a32bde7f35bcfa387a1211a0b3f9e595f09cb447ab177e
[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" "9bd11507210bc3d229a32bde7f35bcfa387a1211a0b3f9e595f09cb447ab177e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9bd11507210bc3d229a32bde7f35bcfa387a1211a0b3f9e595f09cb447ab177e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9bd11507210bc3d229a32bde7f35bcfa387a1211a0b3f9e595f09cb447ab177e", kill_on_drop: false }`
[INFO] [stdout] 9bd11507210bc3d229a32bde7f35bcfa387a1211a0b3f9e595f09cb447ab177e
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+7b3565da729099dbe807466fcd118fb2815986e0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", 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] 97d1966318bf9cf577505ba3c0f0722c3b4f62a245c34421c3446ed56180bf28
[INFO] running `Command { std: "docker" "start" "-a" "97d1966318bf9cf577505ba3c0f0722c3b4f62a245c34421c3446ed56180bf28", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling syn v1.0.70
[INFO] [stderr]    Compiling anyhow v1.0.40
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]     Checking regex-syntax v0.6.23
[INFO] [stderr]     Checking bit-vec v0.6.3
[INFO] [stderr]     Checking with_capacity_safe v0.3.0
[INFO] [stderr]     Checking linked-hash-map v0.5.4
[INFO] [stderr]     Checking metrohash v1.0.6
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking once_cell v1.7.2
[INFO] [stderr]    Compiling libc v0.2.93
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_core v0.6.2
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking rand v0.8.3
[INFO] [stderr]     Checking tempfile v3.2.0
[INFO] [stderr]     Checking regex v1.4.5
[INFO] [stderr]    Compiling pest_generator v2.1.3
[INFO] [stderr]     Checking dochy_compaction v0.4.0
[INFO] [stderr]     Checking dochy_archiver v0.4.0
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]     Checking dochy_json5 v0.4.0
[INFO] [stderr]     Checking dochy_core v0.4.0
[INFO] [stderr]     Checking dochy_diff v0.4.0
[INFO] [stderr]     Checking dochy_fs v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 22.19s
[INFO] running `Command { std: "docker" "inspect" "97d1966318bf9cf577505ba3c0f0722c3b4f62a245c34421c3446ed56180bf28", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "97d1966318bf9cf577505ba3c0f0722c3b4f62a245c34421c3446ed56180bf28", kill_on_drop: false }`
[INFO] [stdout] 97d1966318bf9cf577505ba3c0f0722c3b4f62a245c34421c3446ed56180bf28