[INFO] fetching crate twiggy 0.8.0...
[INFO] building twiggy-0.8.0 against try#d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 for pr-146237-1
[INFO] extracting crate twiggy 0.8.0 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate twiggy 0.8.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate twiggy 0.8.0
[INFO] tweaked toml for crates.io crate twiggy 0.8.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate twiggy 0.8.0 on toolchain d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate twiggy 0.8.0 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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0e5ab7878e39f1cce485de9f240c02328fe4b9a0408354ded53b7e8c70616d22
[INFO] running `Command { std: "docker" "start" "-a" "0e5ab7878e39f1cce485de9f240c02328fe4b9a0408354ded53b7e8c70616d22", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0e5ab7878e39f1cce485de9f240c02328fe4b9a0408354ded53b7e8c70616d22", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0e5ab7878e39f1cce485de9f240c02328fe4b9a0408354ded53b7e8c70616d22", kill_on_drop: false }`
[INFO] [stdout] 0e5ab7878e39f1cce485de9f240c02328fe4b9a0408354ded53b7e8c70616d22
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f42cb81ab108414d4d477cb601d6f175cd4b7e19d88748774b48091a61e4df4a
[INFO] running `Command { std: "docker" "start" "-a" "f42cb81ab108414d4d477cb601d6f175cd4b7e19d88748774b48091a61e4df4a", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.94
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling libc v0.2.169
[INFO] [stderr]    Compiling cpp_demangle v0.3.5
[INFO] [stderr]    Compiling syn v1.0.96
[INFO] [stderr]    Compiling hashbrown v0.11.2
[INFO] [stderr]    Compiling regex-syntax v0.6.26
[INFO] [stderr]    Compiling fixedbitset v0.4.1
[INFO] [stderr]    Compiling anyhow v1.0.70
[INFO] [stderr]    Compiling thiserror v1.0.40
[INFO] [stderr]    Compiling itoa v1.0.5
[INFO] [stderr]    Compiling indexmap v1.8.2
[INFO] [stderr]    Compiling frozen v1.0.0
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling csv-core v0.1.10
[INFO] [stderr]    Compiling unicode-segmentation v1.9.0
[INFO] [stderr]    Compiling rustc-demangle v0.1.21
[INFO] [stderr]    Compiling ryu v1.0.10
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling semver v1.0.26
[INFO] [stderr]    Compiling wasmparser v0.80.2
[INFO] [stderr]    Compiling twox-hash v1.6.3
[INFO] [stderr]    Compiling object v0.36.7
[INFO] [stderr]    Compiling wasmparser v0.230.0
[INFO] [stderr]    Compiling flate2 v1.0.24
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling ruzstd v0.7.3
[INFO] [stderr]    Compiling bitflags v2.9.0
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]    Compiling petgraph v0.6.2
[INFO] [stderr]    Compiling syn v2.0.101
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling regex v1.5.6
[INFO] [stderr]    Compiling csv v1.2.2
[INFO] [stderr]    Compiling hashbrown v0.15.3
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling indexmap v2.9.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.40
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling twiggy-opt v0.8.0
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]    Compiling structopt v0.3.26
[INFO] [stderr]    Compiling twiggy-ir v0.8.0
[INFO] [stderr]    Compiling twiggy-traits v0.8.0
[INFO] [stderr]    Compiling twiggy-analyze v0.8.0
[INFO] [stderr]    Compiling twiggy-parser v0.8.0
[INFO] [stderr]    Compiling twiggy v0.8.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 41.06s
[INFO] running `Command { std: "docker" "inspect" "f42cb81ab108414d4d477cb601d6f175cd4b7e19d88748774b48091a61e4df4a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f42cb81ab108414d4d477cb601d6f175cd4b7e19d88748774b48091a61e4df4a", kill_on_drop: false }`
[INFO] [stdout] f42cb81ab108414d4d477cb601d6f175cd4b7e19d88748774b48091a61e4df4a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5988079bbe475a054f962afdcef53dd28f6dc56d99471979ebe6a28a69713042
[INFO] running `Command { std: "docker" "start" "-a" "5988079bbe475a054f962afdcef53dd28f6dc56d99471979ebe6a28a69713042", kill_on_drop: false }`
[INFO] [stderr]    Compiling colored v2.0.0
[INFO] [stderr]    Compiling diff v0.1.13
[INFO] [stderr]    Compiling twiggy v0.8.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 2.79s
[INFO] running `Command { std: "docker" "inspect" "5988079bbe475a054f962afdcef53dd28f6dc56d99471979ebe6a28a69713042", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5988079bbe475a054f962afdcef53dd28f6dc56d99471979ebe6a28a69713042", kill_on_drop: false }`
[INFO] [stdout] 5988079bbe475a054f962afdcef53dd28f6dc56d99471979ebe6a28a69713042