[INFO] fetching crate roman_encoder 1.1.0...
[INFO] checking roman_encoder-1.1.0 against try#07fecb9cf34c4979a772ba38c99d6d9144768413 for pr-87710
[INFO] extracting crate roman_encoder 1.1.0 into /workspace/builds/worker-15/source
[INFO] validating manifest of crates.io crate roman_encoder 1.1.0 on toolchain 07fecb9cf34c4979a772ba38c99d6d9144768413
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate roman_encoder 1.1.0
[INFO] finished tweaking crates.io crate roman_encoder 1.1.0
[INFO] tweaked toml for crates.io crate roman_encoder 1.1.0 written to /workspace/builds/worker-15/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "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" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "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-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" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7a8e9d7b9ac87d2a37f95ebdb7b449f2d3e4f955cda04bb69b6ae18d47dc3740
[INFO] running `Command { std: "docker" "start" "-a" "7a8e9d7b9ac87d2a37f95ebdb7b449f2d3e4f955cda04bb69b6ae18d47dc3740", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7a8e9d7b9ac87d2a37f95ebdb7b449f2d3e4f955cda04bb69b6ae18d47dc3740", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a8e9d7b9ac87d2a37f95ebdb7b449f2d3e4f955cda04bb69b6ae18d47dc3740", kill_on_drop: false }`
[INFO] [stdout] 7a8e9d7b9ac87d2a37f95ebdb7b449f2d3e4f955cda04bb69b6ae18d47dc3740
[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" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4a8fcfa2122b64f1e155296469eb8674dc7cfe67496b335dd5343ff604d7d362
[INFO] running `Command { std: "docker" "start" "-a" "4a8fcfa2122b64f1e155296469eb8674dc7cfe67496b335dd5343ff604d7d362", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking roman_encoder v1.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.70s
[INFO] running `Command { std: "docker" "inspect" "4a8fcfa2122b64f1e155296469eb8674dc7cfe67496b335dd5343ff604d7d362", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a8fcfa2122b64f1e155296469eb8674dc7cfe67496b335dd5343ff604d7d362", kill_on_drop: false }`
[INFO] [stdout] 4a8fcfa2122b64f1e155296469eb8674dc7cfe67496b335dd5343ff604d7d362