[INFO] fetching crate peggen 0.3.2...
[INFO] building peggen-0.3.2 against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2
[INFO] extracting crate peggen 0.3.2 into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate peggen 0.3.2
[INFO] finished tweaking crates.io crate peggen 0.3.2
[INFO] tweaked toml for crates.io crate peggen 0.3.2 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate peggen 0.3.2 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] crate crates.io crate peggen 0.3.2 already has a lockfile, it will not be regenerated
[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]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded stacker v0.1.15
[INFO] [stderr]   Downloaded bytemuck v1.16.1
[INFO] [stderr]   Downloaded casey v0.4.0
[INFO] [stderr]   Downloaded peggen-macs v0.3.2
[INFO] [stderr]   Downloaded peggen-core v0.3.1
[INFO] [stderr]   Downloaded cc v1.1.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 4f089498c3d43798dee6d2655dff4dca5bbb1b2ce4b40d89c653ccaa7cb50d47
[INFO] running `Command { std: "docker" "start" "-a" "4f089498c3d43798dee6d2655dff4dca5bbb1b2ce4b40d89c653ccaa7cb50d47", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4f089498c3d43798dee6d2655dff4dca5bbb1b2ce4b40d89c653ccaa7cb50d47", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f089498c3d43798dee6d2655dff4dca5bbb1b2ce4b40d89c653ccaa7cb50d47", kill_on_drop: false }`
[INFO] [stdout] 4f089498c3d43798dee6d2655dff4dca5bbb1b2ce4b40d89c653ccaa7cb50d47
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] d6c9766e2b0a146499cf2bb75e7d602ca6b9dccd9821192350e915963de8327f
[INFO] running `Command { std: "docker" "start" "-a" "d6c9766e2b0a146499cf2bb75e7d602ca6b9dccd9821192350e915963de8327f", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.1.2
[INFO] [stderr]    Compiling yansi v1.0.1
[INFO] [stderr]    Compiling either v1.13.0
[INFO] [stderr]    Compiling regex-syntax v0.8.4
[INFO] [stderr]    Compiling heck v0.4.1
[INFO] [stderr]    Compiling aliasable v0.1.3
[INFO] [stderr]    Compiling proc-macro2-diagnostics v0.10.1
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling bytemuck v1.16.1
[INFO] [stderr]    Compiling bumpalo v3.16.0
[INFO] [stderr]    Compiling syn v2.0.70
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling itertools v0.12.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling psm v0.1.21
[INFO] [stderr]    Compiling stacker v0.1.15
[INFO] [stderr]    Compiling casey v0.4.0
[INFO] [stderr]    Compiling regex-automata v0.4.7
[INFO] [stderr]    Compiling ouroboros_macro v0.18.4
[INFO] [stderr]    Compiling ouroboros v0.18.4
[INFO] [stderr]    Compiling regex v1.10.5
[INFO] [stderr]    Compiling peggen-core v0.3.1
[INFO] [stderr]    Compiling peggen-macs v0.3.2
[INFO] [stderr]    Compiling peggen v0.3.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 18.78s
[INFO] running `Command { std: "docker" "inspect" "d6c9766e2b0a146499cf2bb75e7d602ca6b9dccd9821192350e915963de8327f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d6c9766e2b0a146499cf2bb75e7d602ca6b9dccd9821192350e915963de8327f", kill_on_drop: false }`
[INFO] [stdout] d6c9766e2b0a146499cf2bb75e7d602ca6b9dccd9821192350e915963de8327f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 795a077f17212b5257d7226eaa42403e8ff6051be954eb23c8e8a42c8bd403da
[INFO] running `Command { std: "docker" "start" "-a" "795a077f17212b5257d7226eaa42403e8ff6051be954eb23c8e8a42c8bd403da", kill_on_drop: false }`
[INFO] [stderr]    Compiling peggen v0.3.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.37s
[INFO] running `Command { std: "docker" "inspect" "795a077f17212b5257d7226eaa42403e8ff6051be954eb23c8e8a42c8bd403da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "795a077f17212b5257d7226eaa42403e8ff6051be954eb23c8e8a42c8bd403da", kill_on_drop: false }`
[INFO] [stdout] 795a077f17212b5257d7226eaa42403e8ff6051be954eb23c8e8a42c8bd403da