[INFO] fetching crate iter_vec 0.1.0...
[INFO] checking iter_vec-0.1.0 against master#33fdb797f59421c7bbecaa4588ed5d7a31a9494a for pr-87190-3
[INFO] extracting crate iter_vec 0.1.0 into /workspace/builds/worker-15/source
[INFO] validating manifest of crates.io crate iter_vec 0.1.0 on toolchain 33fdb797f59421c7bbecaa4588ed5d7a31a9494a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate iter_vec 0.1.0
[INFO] finished tweaking crates.io crate iter_vec 0.1.0
[INFO] tweaked toml for crates.io crate iter_vec 0.1.0 written to /workspace/builds/worker-15/source/Cargo.toml
[INFO] crate crates.io crate iter_vec 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "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-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dc2ce672a44d06bddbbef2c4c694b9e690d4dfe9017d2d53d4c2aaf3cb41d220
[INFO] running `Command { std: "docker" "start" "-a" "dc2ce672a44d06bddbbef2c4c694b9e690d4dfe9017d2d53d4c2aaf3cb41d220", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dc2ce672a44d06bddbbef2c4c694b9e690d4dfe9017d2d53d4c2aaf3cb41d220", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc2ce672a44d06bddbbef2c4c694b9e690d4dfe9017d2d53d4c2aaf3cb41d220", kill_on_drop: false }`
[INFO] [stdout] dc2ce672a44d06bddbbef2c4c694b9e690d4dfe9017d2d53d4c2aaf3cb41d220
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1e9d94b681b014f67d8199cbab5e38f28af89f6aec9f7228ee58ab994d28a296
[INFO] running `Command { std: "docker" "start" "-a" "1e9d94b681b014f67d8199cbab5e38f28af89f6aec9f7228ee58ab994d28a296", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking iter_vec v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.30s
[INFO] running `Command { std: "docker" "inspect" "1e9d94b681b014f67d8199cbab5e38f28af89f6aec9f7228ee58ab994d28a296", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1e9d94b681b014f67d8199cbab5e38f28af89f6aec9f7228ee58ab994d28a296", kill_on_drop: false }`
[INFO] [stdout] 1e9d94b681b014f67d8199cbab5e38f28af89f6aec9f7228ee58ab994d28a296