[INFO] fetching crate pipegen 0.2.2...
[INFO] checking pipegen-0.2.2 against try#998b6603a58e47f42ccce7a67943234e96b6839e for pr-143170
[INFO] extracting crate pipegen 0.2.2 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate pipegen 0.2.2
[INFO] finished tweaking crates.io crate pipegen 0.2.2
[INFO] tweaked toml for crates.io crate pipegen 0.2.2 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate pipegen 0.2.2 on toolchain 998b6603a58e47f42ccce7a67943234e96b6839e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 18 packages to latest compatible versions
[INFO] [stderr]       Adding serde_yaml v0.8.26 (available: v0.9.34+deprecated)
[INFO] [stderr]       Adding strum v0.20.0 (available: v0.27.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c1df95bd0cfc0b404d009f01c37f2a76e3d1d0f4e361c060014a3a77b76379c4
[INFO] running `Command { std: "docker" "start" "-a" "c1df95bd0cfc0b404d009f01c37f2a76e3d1d0f4e361c060014a3a77b76379c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c1df95bd0cfc0b404d009f01c37f2a76e3d1d0f4e361c060014a3a77b76379c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c1df95bd0cfc0b404d009f01c37f2a76e3d1d0f4e361c060014a3a77b76379c4", kill_on_drop: false }`
[INFO] [stdout] c1df95bd0cfc0b404d009f01c37f2a76e3d1d0f4e361c060014a3a77b76379c4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "RUSTDOCFLAGS=--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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 111afa7c335facbf777759185bf4db9cc15261f602a65c836bbf18868fb45b5c
[INFO] running `Command { std: "docker" "start" "-a" "111afa7c335facbf777759185bf4db9cc15261f602a65c836bbf18868fb45b5c", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-ident v1.0.18
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling autocfg v1.5.0
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling unicode-segmentation v1.12.0
[INFO] [stderr]     Checking linked-hash-map v0.5.6
[INFO] [stderr]     Checking hashbrown v0.12.3
[INFO] [stderr]     Checking ryu v1.0.20
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]     Checking yaml-rust v0.4.5
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling strum_macros v0.20.1
[INFO] [stderr]     Checking strum v0.20.0
[INFO] [stderr]     Checking serde_yaml v0.8.26
[INFO] [stderr]     Checking pipegen v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 14.83s
[INFO] running `Command { std: "docker" "inspect" "111afa7c335facbf777759185bf4db9cc15261f602a65c836bbf18868fb45b5c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "111afa7c335facbf777759185bf4db9cc15261f602a65c836bbf18868fb45b5c", kill_on_drop: false }`
[INFO] [stdout] 111afa7c335facbf777759185bf4db9cc15261f602a65c836bbf18868fb45b5c