[INFO] fetching crate mdbook-readme 0.0.4...
[INFO] checking mdbook-readme-0.0.4 against master#1204400ab8da9830f6f77a5e40e7ad3ea459676a for pr-94295
[INFO] extracting crate mdbook-readme 0.0.4 into /workspace/builds/worker-64/source
[INFO] validating manifest of crates.io crate mdbook-readme 0.0.4 on toolchain 1204400ab8da9830f6f77a5e40e7ad3ea459676a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1204400ab8da9830f6f77a5e40e7ad3ea459676a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mdbook-readme 0.0.4
[INFO] finished tweaking crates.io crate mdbook-readme 0.0.4
[INFO] tweaked toml for crates.io crate mdbook-readme 0.0.4 written to /workspace/builds/worker-64/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1204400ab8da9830f6f77a5e40e7ad3ea459676a" "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" "+1204400ab8da9830f6f77a5e40e7ad3ea459676a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded sha-1 v0.10.0
[INFO] [stderr]   Downloaded crypto-common v0.1.3
[INFO] [stderr]   Downloaded block-buffer v0.10.2
[INFO] [stderr]   Downloaded digest v0.10.3
[INFO] [stderr]   Downloaded getrandom v0.2.5
[INFO] [stderr]   Downloaded futf v0.1.5
[INFO] [stderr]   Downloaded string_cache v0.8.3
[INFO] [stderr]   Downloaded rand v0.8.5
[INFO] [stderr]   Downloaded headers v0.3.7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-64/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-64/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1204400ab8da9830f6f77a5e40e7ad3ea459676a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6307ec3898818281704249e4c1790a5ebb231f120db8fb27b3903ebcd6d9318c
[INFO] running `Command { std: "docker" "start" "-a" "6307ec3898818281704249e4c1790a5ebb231f120db8fb27b3903ebcd6d9318c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6307ec3898818281704249e4c1790a5ebb231f120db8fb27b3903ebcd6d9318c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6307ec3898818281704249e4c1790a5ebb231f120db8fb27b3903ebcd6d9318c", kill_on_drop: false }`
[INFO] [stdout] 6307ec3898818281704249e4c1790a5ebb231f120db8fb27b3903ebcd6d9318c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-64/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-64/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1204400ab8da9830f6f77a5e40e7ad3ea459676a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f08dbb486f84605700056cdf8c7d2924c1074ff340c1e4b2cfb024be9eaf8c60
[INFO] running `Command { std: "docker" "start" "-a" "f08dbb486f84605700056cdf8c7d2924c1074ff340c1e4b2cfb024be9eaf8c60", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]    Compiling version_check v0.9.4
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[INFO] [stderr]    Compiling pest_generator v2.1.3
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[INFO] [stderr]     Checking sha-1 v0.10.0
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[INFO] [stderr]    Compiling phf_codegen v0.8.0
[INFO] [stderr]     Checking headers v0.3.7
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[INFO] [stderr]     Checking mdbook v0.4.15
[INFO] [stderr]     Checking mdbook-readme v0.0.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3m 08s
[INFO] running `Command { std: "docker" "inspect" "f08dbb486f84605700056cdf8c7d2924c1074ff340c1e4b2cfb024be9eaf8c60", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f08dbb486f84605700056cdf8c7d2924c1074ff340c1e4b2cfb024be9eaf8c60", kill_on_drop: false }`
[INFO] [stdout] f08dbb486f84605700056cdf8c7d2924c1074ff340c1e4b2cfb024be9eaf8c60