[INFO] fetching crate peggen-core 0.2.1...
[INFO] checking peggen-core-0.2.1 against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604
[INFO] extracting crate peggen-core 0.2.1 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate peggen-core 0.2.1 on toolchain ab869e094a907cc5d19b4080f22eccaf347f1f95
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate peggen-core 0.2.1
[INFO] finished tweaking crates.io crate peggen-core 0.2.1
[INFO] tweaked toml for crates.io crate peggen-core 0.2.1 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 51 packages to latest compatible versions
[INFO] [stderr]       Adding heck v0.4.1 (latest: v0.5.0)
[INFO] [stderr]       Adding itertools v0.12.1 (latest: v0.13.0)
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.77)
[INFO] [stderr]       Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.2+wasi-0.2.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ouroboros_macro v0.18.4
[INFO] [stderr]   Downloaded ouroboros v0.18.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a667a160c9fcbce364503064fb257e37b6e7cf5ef0fddb1251182e18ab9ebcef
[INFO] running `Command { std: "docker" "start" "-a" "a667a160c9fcbce364503064fb257e37b6e7cf5ef0fddb1251182e18ab9ebcef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a667a160c9fcbce364503064fb257e37b6e7cf5ef0fddb1251182e18ab9ebcef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a667a160c9fcbce364503064fb257e37b6e7cf5ef0fddb1251182e18ab9ebcef", kill_on_drop: false }`
[INFO] [stdout] a667a160c9fcbce364503064fb257e37b6e7cf5ef0fddb1251182e18ab9ebcef
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3c7da23b6ab0cad1f09b4393148dd03f3f94fd655ee467fc9c38b037d27eacb7
[INFO] running `Command { std: "docker" "start" "-a" "3c7da23b6ab0cad1f09b4393148dd03f3f94fd655ee467fc9c38b037d27eacb7", kill_on_drop: false }`
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]    Compiling either v1.13.0
[INFO] [stderr]     Checking memchr v2.7.4
[INFO] [stderr]    Compiling yansi v1.0.1
[INFO] [stderr]    Compiling heck v0.4.1
[INFO] [stderr]     Checking regex-syntax v0.8.4
[INFO] [stderr]     Checking aliasable v0.1.3
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]     Checking bumpalo v3.16.0
[INFO] [stderr]    Compiling proc-macro2-diagnostics v0.10.1
[INFO] [stderr]    Compiling psm v0.1.22
[INFO] [stderr]    Compiling stacker v0.1.17
[INFO] [stderr]    Compiling syn v2.0.77
[INFO] [stderr]     Checking getrandom v0.2.15
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling itertools v0.12.1
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_xoshiro v0.6.0
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]    Compiling casey v0.4.0
[INFO] [stderr]     Checking regex-automata v0.4.7
[INFO] [stderr]    Compiling zerocopy-derive v0.7.35
[INFO] [stderr]    Compiling ouroboros_macro v0.18.4
[INFO] [stderr]     Checking zerocopy v0.7.35
[INFO] [stderr]     Checking regex v1.10.6
[INFO] [stderr]     Checking ouroboros v0.18.4
[INFO] [stderr]     Checking ppv-lite86 v0.2.20
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking peggen-core v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 14.25s
[INFO] running `Command { std: "docker" "inspect" "3c7da23b6ab0cad1f09b4393148dd03f3f94fd655ee467fc9c38b037d27eacb7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3c7da23b6ab0cad1f09b4393148dd03f3f94fd655ee467fc9c38b037d27eacb7", kill_on_drop: false }`
[INFO] [stdout] 3c7da23b6ab0cad1f09b4393148dd03f3f94fd655ee467fc9c38b037d27eacb7