[INFO] fetching crate postcss 0.0.2...
[INFO] checking postcss-0.0.2 against master#506512391b1a75ae450d36c9420978402a91abcc for pr-125384
[INFO] extracting crate postcss 0.0.2 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate postcss 0.0.2 on toolchain 506512391b1a75ae450d36c9420978402a91abcc
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate postcss 0.0.2
[INFO] finished tweaking crates.io crate postcss 0.0.2
[INFO] tweaked toml for crates.io crate postcss 0.0.2 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate crates.io crate postcss 0.0.2 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" "+506512391b1a75ae450d36c9420978402a91abcc" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ropey v1.3.1
[INFO] [stderr]   Downloaded pretty_assertions v0.7.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8213e8330ce73ec4a5fb20e92faabe675bd1d1368e81b0e7813351d4d36a3917
[INFO] running `Command { std: "docker" "start" "-a" "8213e8330ce73ec4a5fb20e92faabe675bd1d1368e81b0e7813351d4d36a3917", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8213e8330ce73ec4a5fb20e92faabe675bd1d1368e81b0e7813351d4d36a3917", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8213e8330ce73ec4a5fb20e92faabe675bd1d1368e81b0e7813351d4d36a3917", kill_on_drop: false }`
[INFO] [stdout] 8213e8330ce73ec4a5fb20e92faabe675bd1d1368e81b0e7813351d4d36a3917
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=allow" "-e" "RUSTDOCFLAGS=--cap-lints=allow" "-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f461f4527f13bfce5503b8e3867c6ffa11bf5065c73594c51dbd682b8d99366b
[INFO] running `Command { std: "docker" "start" "-a" "f461f4527f13bfce5503b8e3867c6ffa11bf5065c73594c51dbd682b8d99366b", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.32
[INFO] [stderr]    Compiling syn v1.0.81
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling semver v1.0.4
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling libc v0.2.106
[INFO] [stderr]     Checking itoa v0.4.8
[INFO] [stderr]    Compiling serde_json v1.0.68
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.5
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking crossbeam-channel v0.5.1
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking crossbeam-deque v0.8.1
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]    Compiling cast v0.2.7
[INFO] [stderr]     Checking smallvec v1.7.0
[INFO] [stderr]     Checking unicode-width v0.1.9
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]     Checking plotters-backend v0.3.2
[INFO] [stderr]     Checking ropey v1.3.1
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking plotters-svg v0.3.1
[INFO] [stdout] error[E0080]: evaluation of constant value failed
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/ropey-1.3.1/src/tree/mod.rs:74:19
[INFO] [stdout]    |
[INFO] [stdout] 74 |       const _: [(); 0 - !{
[INFO] [stdout]    |  ___________________^
[INFO] [stdout] 75 | |         // Assert alignment.
[INFO] [stdout] 76 | |         const ASSERT: bool = if align_of::<Node>() > ARC_COUNTERS_SIZE {
[INFO] [stdout] 77 | |             align_of::<Node>() + size_of::<Node>()
[INFO] [stdout] ...  |
[INFO] [stdout] 81 | |         ASSERT
[INFO] [stdout] 82 | |     } as usize] = [];
[INFO] [stdout]    | |______________^ attempt to compute `0_usize - 1_usize`, which would overflow
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking once_cell v1.8.0
[INFO] [stderr]     Checking half v1.8.2
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking walkdir v2.3.2
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking criterion-plot v0.4.4
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking diff v0.1.12
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0080`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ropey` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "f461f4527f13bfce5503b8e3867c6ffa11bf5065c73594c51dbd682b8d99366b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f461f4527f13bfce5503b8e3867c6ffa11bf5065c73594c51dbd682b8d99366b", kill_on_drop: false }`
[INFO] [stdout] f461f4527f13bfce5503b8e3867c6ffa11bf5065c73594c51dbd682b8d99366b
[INFO] checking postcss-0.0.2 against try#dae34b759e282c069aa28752564694effd121a63 for pr-125384
[INFO] extracting crate postcss 0.0.2 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate postcss 0.0.2 on toolchain dae34b759e282c069aa28752564694effd121a63
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dae34b759e282c069aa28752564694effd121a63" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate postcss 0.0.2
[INFO] finished tweaking crates.io crate postcss 0.0.2
[INFO] tweaked toml for crates.io crate postcss 0.0.2 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate crates.io crate postcss 0.0.2 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" "+dae34b759e282c069aa28752564694effd121a63" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+dae34b759e282c069aa28752564694effd121a63" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e081e23cbe8256420031aeeffe4c6a68f6699de215881a1e0cf0eb7a0f2bd6cf
[INFO] running `Command { std: "docker" "start" "-a" "e081e23cbe8256420031aeeffe4c6a68f6699de215881a1e0cf0eb7a0f2bd6cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e081e23cbe8256420031aeeffe4c6a68f6699de215881a1e0cf0eb7a0f2bd6cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e081e23cbe8256420031aeeffe4c6a68f6699de215881a1e0cf0eb7a0f2bd6cf", kill_on_drop: false }`
[INFO] [stdout] e081e23cbe8256420031aeeffe4c6a68f6699de215881a1e0cf0eb7a0f2bd6cf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=allow" "-e" "RUSTDOCFLAGS=--cap-lints=allow" "-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+dae34b759e282c069aa28752564694effd121a63" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a9ce8dc10b0fdfa367ad0ec28a3da08b875dc1bdf3212922d86b14a23ce69c86
[INFO] running `Command { std: "docker" "start" "-a" "a9ce8dc10b0fdfa367ad0ec28a3da08b875dc1bdf3212922d86b14a23ce69c86", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] skipping non-2021 edition `2018`
[INFO] running `Command { std: "docker" "inspect" "a9ce8dc10b0fdfa367ad0ec28a3da08b875dc1bdf3212922d86b14a23ce69c86", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a9ce8dc10b0fdfa367ad0ec28a3da08b875dc1bdf3212922d86b14a23ce69c86", kill_on_drop: false }`
[INFO] [stdout] a9ce8dc10b0fdfa367ad0ec28a3da08b875dc1bdf3212922d86b14a23ce69c86