[INFO] fetching crate resast 0.4.1...
[INFO] checking resast-0.4.1 against master#936f2600b6c903b04387f74ed5cbce88bb06d243 for pr-91141
[INFO] extracting crate resast 0.4.1 into /workspace/builds/worker-94/source
[INFO] validating manifest of crates.io crate resast 0.4.1 on toolchain 936f2600b6c903b04387f74ed5cbce88bb06d243
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate resast 0.4.1
[INFO] finished tweaking crates.io crate resast 0.4.1
[INFO] tweaked toml for crates.io crate resast 0.4.1 written to /workspace/builds/worker-94/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "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" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "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-94/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 21af65864aa5c4b263a928b01c014f0c6e12f1f876746509e4506363ca0f188d
[INFO] running `Command { std: "docker" "start" "-a" "21af65864aa5c4b263a928b01c014f0c6e12f1f876746509e4506363ca0f188d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "21af65864aa5c4b263a928b01c014f0c6e12f1f876746509e4506363ca0f188d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "21af65864aa5c4b263a928b01c014f0c6e12f1f876746509e4506363ca0f188d", kill_on_drop: false }`
[INFO] [stdout] 21af65864aa5c4b263a928b01c014f0c6e12f1f876746509e4506363ca0f188d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6681a1fb2e12c96fcc09527771bd192cb28c5b2db33953190efcccf9f2f8f864
[INFO] running `Command { std: "docker" "start" "-a" "6681a1fb2e12c96fcc09527771bd192cb28c5b2db33953190efcccf9f2f8f864", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling cc v1.0.72
[INFO] [stderr]     Checking unic-char-range v0.9.0
[INFO] [stderr]     Checking unic-common v0.9.0
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling ryu v1.0.6
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking gimli v0.26.1
[INFO] [stderr]     Checking rustc-demangle v0.1.21
[INFO] [stderr]     Checking termcolor v1.1.2
[INFO] [stderr]    Compiling serde_json v1.0.72
[INFO] [stderr]     Checking unicode-xid v0.2.2
[INFO] [stderr]     Checking resast v0.4.1
[INFO] [stderr]     Checking hash-chain v0.3.2
[INFO] [stderr]     Checking itoa v0.4.8
[INFO] [stderr]     Checking resast v0.4.1 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]     Checking log v0.4.14
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking unic-char-property v0.9.0
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]     Checking unic-ucd-version v0.9.0
[INFO] [stderr]     Checking ress v0.11.2
[INFO] [stderr]     Checking unic-ucd-ident v0.9.0
[INFO] [stderr]    Compiling backtrace v0.3.63
[INFO] [stderr]     Checking res-regex v0.1.4
[INFO] [stderr]     Checking addr2line v0.17.0
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking object v0.27.1
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking env_logger v0.6.2
[INFO] [stderr]     Checking pretty_env_logger v0.3.1
[INFO] [stderr]     Checking ressa v0.7.6
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 24.26s
[INFO] running `Command { std: "docker" "inspect" "6681a1fb2e12c96fcc09527771bd192cb28c5b2db33953190efcccf9f2f8f864", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6681a1fb2e12c96fcc09527771bd192cb28c5b2db33953190efcccf9f2f8f864", kill_on_drop: false }`
[INFO] [stdout] 6681a1fb2e12c96fcc09527771bd192cb28c5b2db33953190efcccf9f2f8f864