[INFO] fetching crate smelter 0.0.2...
[INFO] checking smelter-0.0.2 against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604
[INFO] extracting crate smelter 0.0.2 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate smelter 0.0.2 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 smelter 0.0.2
[INFO] finished tweaking crates.io crate smelter 0.0.2
[INFO] tweaked toml for crates.io crate smelter 0.0.2 written to /workspace/builds/worker-2-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 33 packages to latest compatible versions
[INFO] [stderr]       Adding bitflags v0.9.1 (latest: v2.6.0)
[INFO] [stderr]       Adding cargo_metadata v0.2.3 (latest: v0.18.1)
[INFO] [stderr]       Adding clippy v0.0.165 (latest: v0.0.302)
[INFO] [stderr]       Adding clippy_lints v0.0.165 (latest: v0.0.212)
[INFO] [stderr]       Adding itertools v0.6.5 (latest: v0.13.0)
[INFO] [stderr]       Adding lazy_static v0.2.11 (latest: v1.5.0)
[INFO] [stderr]       Adding pulldown-cmark v0.0.15 (latest: v0.12.0)
[INFO] [stderr]       Adding quote v0.3.15 (latest: v1.0.37)
[INFO] [stderr]       Adding regex-syntax v0.4.2 (latest: v0.8.4)
[INFO] [stderr]       Adding semver v0.6.0 (latest: v1.0.23)
[INFO] [stderr]       Adding semver-parser v0.7.0 (latest: v0.10.2)
[INFO] [stderr]       Adding syn v0.9.2 (latest: v2.0.77)
[INFO] [stderr]       Adding toml v0.4.10 (latest: v0.8.19)
[INFO] [stderr]       Adding unicode-xid v0.0.3 (latest: v0.2.5)
[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] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded quine-mc_cluskey v0.2.4
[INFO] [stderr]   Downloaded cargo_metadata v0.2.3
[INFO] [stderr]   Downloaded unicode-xid v0.0.3
[INFO] [stderr]   Downloaded syn v0.9.2
[INFO] [stderr]   Downloaded itertools v0.6.5
[INFO] [stderr]   Downloaded pulldown-cmark v0.0.15
[INFO] [stderr]   Downloaded regex-syntax v0.4.2
[INFO] [stderr]   Downloaded clippy_lints v0.0.165
[INFO] [stderr]   Downloaded clippy v0.0.165
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] c23945a5523ebcaac23f73616c9449ab990eb71bf08308fbe5420f6ce0a54a1d
[INFO] running `Command { std: "docker" "start" "-a" "c23945a5523ebcaac23f73616c9449ab990eb71bf08308fbe5420f6ce0a54a1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c23945a5523ebcaac23f73616c9449ab990eb71bf08308fbe5420f6ce0a54a1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c23945a5523ebcaac23f73616c9449ab990eb71bf08308fbe5420f6ce0a54a1d", kill_on_drop: false }`
[INFO] [stdout] c23945a5523ebcaac23f73616c9449ab990eb71bf08308fbe5420f6ce0a54a1d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] b24dd714e492276608f40b2826f961badbc3e4ea2bb62a73acacf8222084dae9
[INFO] running `Command { std: "docker" "start" "-a" "b24dd714e492276608f40b2826f961badbc3e4ea2bb62a73acacf8222084dae9", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] [stderr]     Checking quote v0.3.15
[INFO] [stderr]     Checking unicode-xid v0.0.3
[INFO] [stderr]    Compiling syn v0.9.2
[INFO] [stderr]     Checking smelter v0.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.78s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: syn v0.9.2
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "b24dd714e492276608f40b2826f961badbc3e4ea2bb62a73acacf8222084dae9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b24dd714e492276608f40b2826f961badbc3e4ea2bb62a73acacf8222084dae9", kill_on_drop: false }`
[INFO] [stdout] b24dd714e492276608f40b2826f961badbc3e4ea2bb62a73acacf8222084dae9