[INFO] fetching crate ptree 0.4.0...
[INFO] checking ptree-0.4.0 against master#4c60a0ea5b2385d7400df9db1ad04e96f2a4c154 for 92191_revert
[INFO] extracting crate ptree 0.4.0 into /workspace/builds/worker-69/source
[INFO] validating manifest of crates.io crate ptree 0.4.0 on toolchain 4c60a0ea5b2385d7400df9db1ad04e96f2a4c154
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4c60a0ea5b2385d7400df9db1ad04e96f2a4c154" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ptree 0.4.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate ptree 0.4.0
[INFO] tweaked toml for crates.io crate ptree 0.4.0 written to /workspace/builds/worker-69/source/Cargo.toml
[INFO] crate crates.io crate ptree 0.4.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4c60a0ea5b2385d7400df9db1ad04e96f2a4c154" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde_any v0.5.0
[INFO] [stderr]   Downloaded ron v0.3.0
[INFO] [stderr]   Downloaded serde-xml-any v0.0.3
[INFO] [stderr]   Downloaded version-sync v0.9.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-69/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-69/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+4c60a0ea5b2385d7400df9db1ad04e96f2a4c154" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 95f208ce5b63acd2eb8c3a7228229c35d6933ed130246bdf823811e90731effd
[INFO] running `Command { std: "docker" "start" "-a" "95f208ce5b63acd2eb8c3a7228229c35d6933ed130246bdf823811e90731effd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "95f208ce5b63acd2eb8c3a7228229c35d6933ed130246bdf823811e90731effd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "95f208ce5b63acd2eb8c3a7228229c35d6933ed130246bdf823811e90731effd", kill_on_drop: false }`
[INFO] [stdout] 95f208ce5b63acd2eb8c3a7228229c35d6933ed130246bdf823811e90731effd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-69/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-69/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+4c60a0ea5b2385d7400df9db1ad04e96f2a4c154" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cd9098b586dd38b186d7b71871358c49c34c35c9fc37afcac0a1d0f93c1cbfd5
[INFO] running `Command { std: "docker" "start" "-a" "cd9098b586dd38b186d7b71871358c49c34c35c9fc37afcac0a1d0f93c1cbfd5", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.30
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.80
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling libc v0.2.105
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking tinyvec_macros v0.1.0
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[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking arrayvec v0.5.2
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[INFO] [stderr]     Checking serde v0.8.23
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[INFO] [stderr]    Compiling heck v0.3.3
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[INFO] [stderr]    Compiling backtrace v0.3.62
[INFO] [stderr]    Compiling num-traits v0.2.14
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[INFO] [stderr]    Compiling indexmap v1.7.0
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[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]     Checking num-traits v0.1.43
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[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]     Checking failure v0.1.8
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[INFO] [stderr]     Checking toml v0.5.8
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[INFO] [stderr]     Checking serde_any v0.5.0
[INFO] [stderr]     Checking config v0.11.0
[INFO] [stderr]     Checking version-sync v0.9.3
[INFO] [stderr]     Checking ptree v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 35.88s
[INFO] running `Command { std: "docker" "inspect" "cd9098b586dd38b186d7b71871358c49c34c35c9fc37afcac0a1d0f93c1cbfd5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cd9098b586dd38b186d7b71871358c49c34c35c9fc37afcac0a1d0f93c1cbfd5", kill_on_drop: false }`
[INFO] [stdout] cd9098b586dd38b186d7b71871358c49c34c35c9fc37afcac0a1d0f93c1cbfd5