[INFO] fetching crate peggen-impl 0.2.6...
[INFO] building peggen-impl-0.2.6 against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2
[INFO] extracting crate peggen-impl 0.2.6 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate peggen-impl 0.2.6
[INFO] finished tweaking crates.io crate peggen-impl 0.2.6
[INFO] tweaked toml for crates.io crate peggen-impl 0.2.6 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate peggen-impl 0.2.6 on toolchain c7f6aa2869acdbf014d094c6e427e554e160b6db
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 48 packages to latest compatible versions
[INFO] [stderr]       Adding peggen-core v0.2.6 (available: v0.3.1)
[INFO] [stderr]       Adding peggen-macs v0.2.6 (available: v0.3.2)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ouroboros_macro v0.18.5
[INFO] [stderr]   Downloaded peggen-macs v0.2.6
[INFO] [stderr]   Downloaded ouroboros v0.18.5
[INFO] [stderr]   Downloaded casey v0.4.2
[INFO] [stderr]   Downloaded aliasable v0.1.3
[INFO] [stderr]   Downloaded peggen-core v0.2.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2e9f692806f0ab380e7afed5e6b90b30255894f254d7689f74070fd1d4e02d27
[INFO] running `Command { std: "docker" "start" "-a" "2e9f692806f0ab380e7afed5e6b90b30255894f254d7689f74070fd1d4e02d27", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2e9f692806f0ab380e7afed5e6b90b30255894f254d7689f74070fd1d4e02d27", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e9f692806f0ab380e7afed5e6b90b30255894f254d7689f74070fd1d4e02d27", kill_on_drop: false }`
[INFO] [stdout] 2e9f692806f0ab380e7afed5e6b90b30255894f254d7689f74070fd1d4e02d27
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3a7bb267095c8054d8347e42f8c1087dc4128179779db6f3426713aa9e86a5b1
[INFO] running `Command { std: "docker" "start" "-a" "3a7bb267095c8054d8347e42f8c1087dc4128179779db6f3426713aa9e86a5b1", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.176
[INFO] [stderr]    Compiling zerocopy v0.8.27
[INFO] [stderr]    Compiling version_check v0.9.5
[INFO] [stderr]    Compiling yansi v1.0.1
[INFO] [stderr]    Compiling static_assertions v1.1.0
[INFO] [stderr]    Compiling aliasable v0.1.3
[INFO] [stderr]    Compiling bytemuck v1.23.2
[INFO] [stderr]    Compiling bumpalo v3.19.0
[INFO] [stderr]    Compiling psm v0.1.26
[INFO] [stderr]    Compiling stacker v0.1.21
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling proc-macro2-diagnostics v0.10.1
[INFO] [stderr]    Compiling ppv-lite86 v0.2.21
[INFO] [stderr]    Compiling getrandom v0.2.16
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling ouroboros_macro v0.18.5
[INFO] [stderr]    Compiling casey v0.4.2
[INFO] [stderr]    Compiling peggen-macs v0.2.6
[INFO] [stderr]    Compiling ouroboros v0.18.5
[INFO] [stderr]    Compiling peggen-core v0.2.6
[INFO] [stderr]    Compiling peggen-impl v0.2.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.51s
[INFO] running `Command { std: "docker" "inspect" "3a7bb267095c8054d8347e42f8c1087dc4128179779db6f3426713aa9e86a5b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a7bb267095c8054d8347e42f8c1087dc4128179779db6f3426713aa9e86a5b1", kill_on_drop: false }`
[INFO] [stdout] 3a7bb267095c8054d8347e42f8c1087dc4128179779db6f3426713aa9e86a5b1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 672ce77b284e4f174901bad465300b5a1b02bc90a26e9306f77c3796835caf7e
[INFO] running `Command { std: "docker" "start" "-a" "672ce77b284e4f174901bad465300b5a1b02bc90a26e9306f77c3796835caf7e", kill_on_drop: false }`
[INFO] [stderr]    Compiling peggen-impl v0.2.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.46s
[INFO] running `Command { std: "docker" "inspect" "672ce77b284e4f174901bad465300b5a1b02bc90a26e9306f77c3796835caf7e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "672ce77b284e4f174901bad465300b5a1b02bc90a26e9306f77c3796835caf7e", kill_on_drop: false }`
[INFO] [stdout] 672ce77b284e4f174901bad465300b5a1b02bc90a26e9306f77c3796835caf7e