[INFO] fetching crate diffding 0.2.5...
[INFO] checking diffding-0.2.5 against master#c2f2db79ca3024f68d22b45aa22b570775c2c4ad for pr-124157
[INFO] extracting crate diffding 0.2.5 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate diffding 0.2.5 on toolchain c2f2db79ca3024f68d22b45aa22b570775c2c4ad
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate diffding 0.2.5
[INFO] finished tweaking crates.io crate diffding 0.2.5
[INFO] tweaked toml for crates.io crate diffding 0.2.5 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate crates.io crate diffding 0.2.5 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" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "fetch" "--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]  Downloading crates ...
[INFO] [stderr]   Downloaded serde_derive v1.0.148
[INFO] [stderr]   Downloaded parking_lot_core v0.9.5
[INFO] [stderr]   Downloaded tokio-util v0.6.10
[INFO] [stderr]   Downloaded bytes v1.3.0
[INFO] [stderr]   Downloaded serde v1.0.148
[INFO] [stderr]   Downloaded syn v1.0.104
[INFO] [stderr]   Downloaded tokio v1.23.0
[INFO] [stderr]   Downloaded enable-ansi-support v0.1.2
[INFO] [stderr]   Downloaded cfonts v1.1.0
[INFO] [stderr]   Downloaded async-trait v0.1.59
[INFO] [stderr]   Downloaded pest v2.5.0
[INFO] [stderr]   Downloaded pest_meta v2.5.0
[INFO] [stderr]   Downloaded pest_generator v2.5.0
[INFO] [stderr]   Downloaded pest_derive v2.5.0
[INFO] [stderr]   Downloaded serde_json v1.0.89
[INFO] [stderr]   Downloaded config v0.13.2
[INFO] [stderr]   Downloaded signal-hook-tokio v0.3.1
[INFO] [stderr]   Downloaded soloud v1.0.2
[INFO] [stderr]   Downloaded cxxbridge-flags v1.0.82
[INFO] [stderr]   Downloaded cxxbridge-macro v1.0.82
[INFO] [stderr]   Downloaded link-cplusplus v1.0.7
[INFO] [stderr]   Downloaded cxx v1.0.82
[INFO] [stderr]   Downloaded scratch v1.0.2
[INFO] [stderr]   Downloaded cxx-build v1.0.82
[INFO] [stderr]   Downloaded chrono v0.4.23
[INFO] [stderr]   Downloaded timer v0.2.0
[INFO] [stderr]   Downloaded soloud-sys v1.0.2
[INFO] [stderr]   Downloaded rgb2ansi256 v0.1.1
[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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4b52e7af6a3d053e8d21c9fba70d92ac0e6ec6441c6213a6d412dc9b9310aac4
[INFO] running `Command { std: "docker" "start" "-a" "4b52e7af6a3d053e8d21c9fba70d92ac0e6ec6441c6213a6d412dc9b9310aac4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4b52e7af6a3d053e8d21c9fba70d92ac0e6ec6441c6213a6d412dc9b9310aac4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b52e7af6a3d053e8d21c9fba70d92ac0e6ec6441c6213a6d412dc9b9310aac4", kill_on_drop: false }`
[INFO] [stdout] 4b52e7af6a3d053e8d21c9fba70d92ac0e6ec6441c6213a6d412dc9b9310aac4
[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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0b9483e0fec86fcc90996ba533a9b771cbe97a1380460fa0ffc6605882e66d2a
[INFO] running `Command { std: "docker" "start" "-a" "0b9483e0fec86fcc90996ba533a9b771cbe97a1380460fa0ffc6605882e66d2a", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.47
[INFO] [stderr]    Compiling unicode-ident v1.0.5
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling libc v0.2.137
[INFO] [stderr]    Compiling syn v1.0.104
[INFO] [stderr]    Compiling serde_derive v1.0.148
[INFO] [stderr]    Compiling futures-core v0.3.25
[INFO] [stderr]    Compiling thiserror v1.0.37
[INFO] [stderr]    Compiling serde v1.0.148
[INFO] [stderr]    Compiling parking_lot_core v0.9.5
[INFO] [stderr]     Checking smallvec v1.10.0
[INFO] [stderr]    Compiling lock_api v0.4.9
[INFO] [stderr]    Compiling ahash v0.7.6
[INFO] [stderr]    Compiling ucd-trie v0.1.5
[INFO] [stderr]     Checking pin-project-lite v0.2.9
[INFO] [stderr]    Compiling slab v0.4.7
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling cc v1.0.77
[INFO] [stderr]    Compiling futures-channel v0.3.25
[INFO] [stderr]    Compiling once_cell v1.16.0
[INFO] [stderr]    Compiling futures-task v0.3.25
[INFO] [stderr]     Checking futures-sink v0.3.25
[INFO] [stderr]    Compiling tokio v1.23.0
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling rustversion v1.0.9
[INFO] [stderr]    Compiling serde_json v1.0.89
[INFO] [stderr]    Compiling futures-util v0.3.25
[INFO] [stderr]     Checking futures-io v0.3.25
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking itoa v1.0.4
[INFO] [stderr]     Checking ppv-lite86 v0.2.17
[INFO] [stderr]     Checking bytes v1.3.0
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/proc-macro2-1.0.47/src/lib.rs:92:30
[INFO] [stdout]    |
[INFO] [stdout] 92 |     feature(proc_macro_span, proc_macro_span_shrink)
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling cmake v0.1.49
[INFO] [stderr]    Compiling async-trait v0.1.59
[INFO] [stderr]     Checking ryu v1.0.11
[INFO] [stderr]     Checking dlv-list v0.3.0
[INFO] [stderr]     Checking iana-time-zone v0.1.53
[INFO] [stderr]     Checking linked-hash-map v0.5.6
[INFO] [stderr]     Checking minimal-lexical v0.2.1
[INFO] [stderr]     Checking is_ci v1.1.1
[INFO] [stderr]     Checking base64 v0.13.1
[INFO] [stderr]     Checking aho-corasick v0.7.20
[INFO] [stderr]    Compiling paste v1.0.9
[INFO] [stderr]     Checking pathdiff v0.2.1
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0635`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `proc-macro2` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "0b9483e0fec86fcc90996ba533a9b771cbe97a1380460fa0ffc6605882e66d2a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b9483e0fec86fcc90996ba533a9b771cbe97a1380460fa0ffc6605882e66d2a", kill_on_drop: false }`
[INFO] [stdout] 0b9483e0fec86fcc90996ba533a9b771cbe97a1380460fa0ffc6605882e66d2a
[INFO] checking diffding-0.2.5 against try#9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88 for pr-124157
[INFO] extracting crate diffding 0.2.5 into /workspace/builds/worker-2-tc2/source
[INFO] validating manifest of crates.io crate diffding 0.2.5 on toolchain 9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate diffding 0.2.5
[INFO] finished tweaking crates.io crate diffding 0.2.5
[INFO] tweaked toml for crates.io crate diffding 0.2.5 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate crates.io crate diffding 0.2.5 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" "+9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6b3c5d846e426fcd611c1bf462a616c15628d7c0f9d8542a842e4122970564dd
[INFO] running `Command { std: "docker" "start" "-a" "6b3c5d846e426fcd611c1bf462a616c15628d7c0f9d8542a842e4122970564dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6b3c5d846e426fcd611c1bf462a616c15628d7c0f9d8542a842e4122970564dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b3c5d846e426fcd611c1bf462a616c15628d7c0f9d8542a842e4122970564dd", kill_on_drop: false }`
[INFO] [stdout] 6b3c5d846e426fcd611c1bf462a616c15628d7c0f9d8542a842e4122970564dd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8b4af92942a50edef16ada549c5b2a596cee5b869d2443409dbeb455f177b16d
[INFO] running `Command { std: "docker" "start" "-a" "8b4af92942a50edef16ada549c5b2a596cee5b869d2443409dbeb455f177b16d", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.47
[INFO] [stderr]    Compiling unicode-ident v1.0.5
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling libc v0.2.137
[INFO] [stderr]    Compiling syn v1.0.104
[INFO] [stderr]    Compiling serde_derive v1.0.148
[INFO] [stderr]    Compiling serde v1.0.148
[INFO] [stderr]    Compiling thiserror v1.0.37
[INFO] [stderr]    Compiling futures-core v0.3.25
[INFO] [stderr]    Compiling parking_lot_core v0.9.5
[INFO] [stderr]    Compiling lock_api v0.4.9
[INFO] [stderr]     Checking smallvec v1.10.0
[INFO] [stderr]    Compiling ahash v0.7.6
[INFO] [stderr]    Compiling ucd-trie v0.1.5
[INFO] [stderr]     Checking pin-project-lite v0.2.9
[INFO] [stderr]    Compiling slab v0.4.7
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling cc v1.0.77
[INFO] [stderr]     Checking futures-sink v0.3.25
[INFO] [stderr]    Compiling once_cell v1.16.0
[INFO] [stderr]    Compiling futures-task v0.3.25
[INFO] [stderr]    Compiling futures-channel v0.3.25
[INFO] [stderr]    Compiling tokio v1.23.0
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling rustversion v1.0.9
[INFO] [stderr]    Compiling futures-util v0.3.25
[INFO] [stderr]    Compiling serde_json v1.0.89
[INFO] [stderr]     Checking bytes v1.3.0
[INFO] [stderr]    Compiling async-trait v0.1.59
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking futures-io v0.3.25
[INFO] [stderr]    Compiling cmake v0.1.49
[INFO] [stderr]     Checking ppv-lite86 v0.2.17
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/proc-macro2-1.0.47/src/lib.rs:92:30
[INFO] [stdout]    |
[INFO] [stdout] 92 |     feature(proc_macro_span, proc_macro_span_shrink)
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking ryu v1.0.11
[INFO] [stderr]     Checking dlv-list v0.3.0
[INFO] [stderr]     Checking itoa v1.0.4
[INFO] [stderr]     Checking iana-time-zone v0.1.53
[INFO] [stderr]     Checking linked-hash-map v0.5.6
[INFO] [stderr]     Checking minimal-lexical v0.2.1
[INFO] [stderr]     Checking is_ci v1.1.1
[INFO] [stderr]     Checking base64 v0.13.1
[INFO] [stderr]     Checking aho-corasick v0.7.20
[INFO] [stderr]     Checking cassowary v0.3.0
[INFO] [stderr]    Compiling paste v1.0.9
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0635`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `proc-macro2` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "8b4af92942a50edef16ada549c5b2a596cee5b869d2443409dbeb455f177b16d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b4af92942a50edef16ada549c5b2a596cee5b869d2443409dbeb455f177b16d", kill_on_drop: false }`
[INFO] [stdout] 8b4af92942a50edef16ada549c5b2a596cee5b869d2443409dbeb455f177b16d
