[INFO] fetching crate smelter 0.0.2...
[INFO] checking smelter-0.0.2 against master#22572d0994593197593e2a1b7b18d720a9a349a7 for pr-126452-1
[INFO] extracting crate smelter 0.0.2 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate smelter 0.0.2 on toolchain 22572d0994593197593e2a1b7b18d720a9a349a7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "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-5-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "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" "+22572d0994593197593e2a1b7b18d720a9a349a7" "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 pulldown-cmark v0.0.15
[INFO] [stderr]   Downloaded cargo_metadata v0.2.3
[INFO] [stderr]   Downloaded unicode-xid v0.0.3
[INFO] [stderr]   Downloaded itertools v0.6.5
[INFO] [stderr]   Downloaded regex-syntax v0.4.2
[INFO] [stderr]   Downloaded syn v0.9.2
[INFO] [stderr]   Downloaded clippy v0.0.165
[INFO] [stderr]   Downloaded clippy_lints v0.0.165
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7ac61e0f5d90b1f8c3df7785dcc27ac55930521e29cd75bae1cbd3f95cc945fd
[INFO] running `Command { std: "docker" "start" "-a" "7ac61e0f5d90b1f8c3df7785dcc27ac55930521e29cd75bae1cbd3f95cc945fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7ac61e0f5d90b1f8c3df7785dcc27ac55930521e29cd75bae1cbd3f95cc945fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ac61e0f5d90b1f8c3df7785dcc27ac55930521e29cd75bae1cbd3f95cc945fd", kill_on_drop: false }`
[INFO] [stdout] 7ac61e0f5d90b1f8c3df7785dcc27ac55930521e29cd75bae1cbd3f95cc945fd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+22572d0994593197593e2a1b7b18d720a9a349a7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e759542f486d5cfb2011ee0807d776abd36d047148e9fa9f69545fbf2206d95d
[INFO] running `Command { std: "docker" "start" "-a" "e759542f486d5cfb2011ee0807d776abd36d047148e9fa9f69545fbf2206d95d", 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 2.13s
[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 2`
[INFO] running `Command { std: "docker" "inspect" "e759542f486d5cfb2011ee0807d776abd36d047148e9fa9f69545fbf2206d95d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e759542f486d5cfb2011ee0807d776abd36d047148e9fa9f69545fbf2206d95d", kill_on_drop: false }`
[INFO] [stdout] e759542f486d5cfb2011ee0807d776abd36d047148e9fa9f69545fbf2206d95d
[INFO] checking smelter-0.0.2 against try#6289438dbad80b1a0029c66dd3f6abf57c2c51be for pr-126452-1
[INFO] extracting crate smelter 0.0.2 into /workspace/builds/worker-5-tc2/source
[INFO] validating manifest of crates.io crate smelter 0.0.2 on toolchain 6289438dbad80b1a0029c66dd3f6abf57c2c51be
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "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-5-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "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]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 71aba7a29e7aceabe22c81b0908ffdd9a0704f67922357b97fc7240d23612f62
[INFO] running `Command { std: "docker" "start" "-a" "71aba7a29e7aceabe22c81b0908ffdd9a0704f67922357b97fc7240d23612f62", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "71aba7a29e7aceabe22c81b0908ffdd9a0704f67922357b97fc7240d23612f62", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "71aba7a29e7aceabe22c81b0908ffdd9a0704f67922357b97fc7240d23612f62", kill_on_drop: false }`
[INFO] [stdout] 71aba7a29e7aceabe22c81b0908ffdd9a0704f67922357b97fc7240d23612f62
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f92a33e1244ad31c4fa118f2d19089081c12335af1e59c76f467f46fde07fcbd
[INFO] running `Command { std: "docker" "start" "-a" "f92a33e1244ad31c4fa118f2d19089081c12335af1e59c76f467f46fde07fcbd", 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]     Checking syn v0.9.2
[INFO] [stderr]     Checking smelter v0.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.37s
[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 2`
[INFO] running `Command { std: "docker" "inspect" "f92a33e1244ad31c4fa118f2d19089081c12335af1e59c76f467f46fde07fcbd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f92a33e1244ad31c4fa118f2d19089081c12335af1e59c76f467f46fde07fcbd", kill_on_drop: false }`
[INFO] [stdout] f92a33e1244ad31c4fa118f2d19089081c12335af1e59c76f467f46fde07fcbd