[INFO] fetching crate xargo 0.3.24...
[INFO] checking xargo-0.3.24 against master#936f2600b6c903b04387f74ed5cbce88bb06d243 for pr-91141
[INFO] extracting crate xargo 0.3.24 into /workspace/builds/worker-42/source
[INFO] validating manifest of crates.io crate xargo 0.3.24 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 xargo 0.3.24
[INFO] finished tweaking crates.io crate xargo 0.3.24
[INFO] tweaked toml for crates.io crate xargo 0.3.24 written to /workspace/builds/worker-42/source/Cargo.toml
[INFO] crate crates.io crate xargo 0.3.24 already has a lockfile, it will not be regenerated
[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-42/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/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] f4643c4c718a23826f360500c5df207e6d11aaab267f96964427411abd1ef0ba
[INFO] running `Command { std: "docker" "start" "-a" "f4643c4c718a23826f360500c5df207e6d11aaab267f96964427411abd1ef0ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f4643c4c718a23826f360500c5df207e6d11aaab267f96964427411abd1ef0ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f4643c4c718a23826f360500c5df207e6d11aaab267f96964427411abd1ef0ba", kill_on_drop: false }`
[INFO] [stdout] f4643c4c718a23826f360500c5df207e6d11aaab267f96964427411abd1ef0ba
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/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] e4e4329b4a118f367b788d9f16e4cdc26d4466c9791ca553dd097f7f2a2171d8
[INFO] running `Command { std: "docker" "start" "-a" "e4e4329b4a118f367b788d9f16e4cdc26d4466c9791ca553dd097f7f2a2171d8", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.74
[INFO] [stderr]    Compiling serde v1.0.114
[INFO] [stderr]     Checking adler v0.2.3
[INFO] [stderr]     Checking gimli v0.22.0
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]     Checking semver-parser v0.7.0
[INFO] [stderr]     Checking rustc-demangle v0.1.16
[INFO] [stderr]    Compiling serde_json v1.0.57
[INFO] [stderr]     Checking object v0.20.0
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]    Compiling xargo v0.3.24 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking smallvec v1.4.1
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking instant v0.1.6
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking semver v0.9.0
[INFO] [stderr]     Checking lock_api v0.4.1
[INFO] [stderr]     Checking miniz_oxide v0.4.0
[INFO] [stderr]     Checking walkdir v2.3.1
[INFO] [stderr]     Checking rustc_version v0.2.3
[INFO] [stderr]    Compiling error-chain v0.12.2
[INFO] [stderr]     Checking dirs-sys v0.3.5
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking fs2 v0.4.3
[INFO] [stderr]     Checking parking_lot_core v0.8.0
[INFO] [stderr]     Checking dirs v3.0.1
[INFO] [stderr]     Checking parking_lot v0.11.0
[INFO] [stderr]     Checking tempdir v0.3.7
[INFO] [stderr]     Checking addr2line v0.13.0
[INFO] [stderr]     Checking backtrace v0.3.50
[INFO] [stderr]     Checking toml v0.5.6
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.11s
[INFO] running `Command { std: "docker" "inspect" "e4e4329b4a118f367b788d9f16e4cdc26d4466c9791ca553dd097f7f2a2171d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e4e4329b4a118f367b788d9f16e4cdc26d4466c9791ca553dd097f7f2a2171d8", kill_on_drop: false }`
[INFO] [stdout] e4e4329b4a118f367b788d9f16e4cdc26d4466c9791ca553dd097f7f2a2171d8