[INFO] fetching crate v9 0.1.43...
[INFO] checking v9-0.1.43 against master#dfd7b8d03fb93d0e03147d28b3be6d93260fa94d for pr-87050
[INFO] extracting crate v9 0.1.43 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate v9 0.1.43 on toolchain dfd7b8d03fb93d0e03147d28b3be6d93260fa94d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate v9 0.1.43
[INFO] finished tweaking crates.io crate v9 0.1.43
[INFO] tweaked toml for crates.io crate v9 0.1.43 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate v9 0.1.43 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 28f784c3b83192361073fa1fca7cb538decc3c54800e3f3c41be2fa5d89bd052
[INFO] running `Command { std: "docker" "start" "-a" "28f784c3b83192361073fa1fca7cb538decc3c54800e3f3c41be2fa5d89bd052", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "28f784c3b83192361073fa1fca7cb538decc3c54800e3f3c41be2fa5d89bd052", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "28f784c3b83192361073fa1fca7cb538decc3c54800e3f3c41be2fa5d89bd052", kill_on_drop: false }`
[INFO] [stdout] 28f784c3b83192361073fa1fca7cb538decc3c54800e3f3c41be2fa5d89bd052
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 20ae021d66f1823eb0ef07e0894b617c7379d3a6d1b91e18afb79eb29a9ef1d5
[INFO] running `Command { std: "docker" "start" "-a" "20ae021d66f1823eb0ef07e0894b617c7379d3a6d1b91e18afb79eb29a9ef1d5", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.29
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling syn v0.15.33
[INFO] [stderr]    Compiling libc v0.2.60
[INFO] [stderr]    Compiling serde v1.0.92
[INFO] [stderr]     Checking ppv-lite86 v0.2.5
[INFO] [stderr]    Compiling ryu v0.2.8
[INFO] [stderr]     Checking lazy_static v1.3.0
[INFO] [stderr]    Compiling v9-attr v0.1.0
[INFO] [stderr]    Compiling paste v1.0.4
[INFO] [stderr]     Checking c2-chacha v0.2.2
[INFO] [stderr]    Compiling quote v0.6.12
[INFO] [stderr]     Checking getrandom v0.1.7
[INFO] [stderr]     Checking rand_core v0.5.0
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking rand v0.7.0
[INFO] [stderr]    Compiling serde_derive v1.0.92
[INFO] [stderr]     Checking smallvec v0.6.10
[INFO] [stderr]     Checking serde_json v1.0.39
[INFO] [stderr]     Checking v9 v0.1.43 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 24.24s
[INFO] running `Command { std: "docker" "inspect" "20ae021d66f1823eb0ef07e0894b617c7379d3a6d1b91e18afb79eb29a9ef1d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "20ae021d66f1823eb0ef07e0894b617c7379d3a6d1b91e18afb79eb29a9ef1d5", kill_on_drop: false }`
[INFO] [stdout] 20ae021d66f1823eb0ef07e0894b617c7379d3a6d1b91e18afb79eb29a9ef1d5