[INFO] fetching crate pipegen 0.2.2...
[INFO] checking pipegen-0.2.2 against master#43d9f3859e0204e764161ee085a360274b5f3e9a for pr-97346
[INFO] extracting crate pipegen 0.2.2 into /workspace/builds/worker-17/source
[INFO] validating manifest of crates.io crate pipegen 0.2.2 on toolchain 43d9f3859e0204e764161ee085a360274b5f3e9a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+43d9f3859e0204e764161ee085a360274b5f3e9a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-17/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+43d9f3859e0204e764161ee085a360274b5f3e9a" "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" "+43d9f3859e0204e764161ee085a360274b5f3e9a" "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-17/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/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:ac0d0aa6ec8ed129e241004a6179c99fa0d2616f50ba759c5b60bd26d0fafa02" "/opt/rustwide/cargo-home/bin/cargo" "+43d9f3859e0204e764161ee085a360274b5f3e9a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dfc40e7d85acb81f1d20f36752fe4aef80718ccd3c7078d27e5b3c2a7027dd2d
[INFO] running `Command { std: "docker" "start" "-a" "dfc40e7d85acb81f1d20f36752fe4aef80718ccd3c7078d27e5b3c2a7027dd2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dfc40e7d85acb81f1d20f36752fe4aef80718ccd3c7078d27e5b3c2a7027dd2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dfc40e7d85acb81f1d20f36752fe4aef80718ccd3c7078d27e5b3c2a7027dd2d", kill_on_drop: false }`
[INFO] [stdout] dfc40e7d85acb81f1d20f36752fe4aef80718ccd3c7078d27e5b3c2a7027dd2d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/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:ac0d0aa6ec8ed129e241004a6179c99fa0d2616f50ba759c5b60bd26d0fafa02" "/opt/rustwide/cargo-home/bin/cargo" "+43d9f3859e0204e764161ee085a360274b5f3e9a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 102bef4fcb55b5ab431e474c10e3da0e1298ebaae0ad3d47f9762f1d8e50225b
[INFO] running `Command { std: "docker" "start" "-a" "102bef4fcb55b5ab431e474c10e3da0e1298ebaae0ad3d47f9762f1d8e50225b", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.39
[INFO] [stderr]    Compiling unicode-ident v1.0.0
[INFO] [stderr]    Compiling syn v1.0.96
[INFO] [stderr]    Compiling serde_derive v1.0.137
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling unicode-segmentation v1.9.0
[INFO] [stderr]    Compiling serde v1.0.137
[INFO] [stderr]     Checking linked-hash-map v0.5.4
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]     Checking ryu v1.0.10
[INFO] [stderr]     Checking yaml-rust v0.4.5
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling indexmap v1.8.2
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]    Compiling strum_macros v0.20.1
[INFO] [stderr]     Checking strum v0.20.0
[INFO] [stderr]     Checking serde_yaml v0.8.24
[INFO] [stderr]     Checking pipegen v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.55s
[INFO] running `Command { std: "docker" "inspect" "102bef4fcb55b5ab431e474c10e3da0e1298ebaae0ad3d47f9762f1d8e50225b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "102bef4fcb55b5ab431e474c10e3da0e1298ebaae0ad3d47f9762f1d8e50225b", kill_on_drop: false }`
[INFO] [stdout] 102bef4fcb55b5ab431e474c10e3da0e1298ebaae0ad3d47f9762f1d8e50225b