[INFO] fetching crate charcoal-dict 0.2.7...
[INFO] checking charcoal-dict-0.2.7 against master#c2f2db79ca3024f68d22b45aa22b570775c2c4ad for pr-124157
[INFO] extracting crate charcoal-dict 0.2.7 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate charcoal-dict 0.2.7 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 charcoal-dict 0.2.7
[INFO] finished tweaking crates.io crate charcoal-dict 0.2.7
[INFO] tweaked toml for crates.io crate charcoal-dict 0.2.7 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate crates.io crate charcoal-dict 0.2.7 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]  Downloading crates ...
[INFO] [stderr]   Downloaded toml v0.7.3
[INFO] [stderr]   Downloaded lock_api v0.4.7
[INFO] [stderr]   Downloaded unicode-ident v1.0.1
[INFO] [stderr]   Downloaded hashbrown v0.12.1
[INFO] [stderr]   Downloaded winnow v0.4.6
[INFO] [stderr]   Downloaded whatlang v0.16.0
[INFO] [stderr]   Downloaded shell-words v1.1.0
[INFO] [stderr]   Downloaded clap_lex v0.4.1
[INFO] [stderr]   Downloaded clap_derive v4.1.14
[INFO] [stderr]   Downloaded clap v4.1.14
[INFO] [stderr]   Downloaded clap_builder v4.1.14
[INFO] [stderr]   Downloaded object v0.30.4
[INFO] [stderr]   Downloaded web-sys v0.3.58
[INFO] [stderr]   Downloaded nix v0.18.0
[INFO] [stderr]   Downloaded stderrlog v0.4.1
[INFO] [stderr]   Downloaded cli-clipboard v0.2.1
[INFO] [stderr]   Downloaded petgraph v0.5.1
[INFO] [stderr]   Downloaded wayland-client v0.27.0
[INFO] [stderr]   Downloaded nix v0.17.0
[INFO] [stderr]   Downloaded wayland-protocols v0.27.0
[INFO] [stderr]   Downloaded hyper v0.14.19
[INFO] [stderr]   Downloaded tracing-core v0.1.27
[INFO] [stderr]   Downloaded reqwest v0.11.11
[INFO] [stderr]   Downloaded parking_lot_core v0.7.3
[INFO] [stderr]   Downloaded parking_lot v0.10.2
[INFO] [stderr]   Downloaded wayland-commons v0.27.0
[INFO] [stderr]   Downloaded xml-rs v0.8.18
[INFO] [stderr]   Downloaded wayland-scanner v0.27.0
[INFO] [stderr]   Downloaded wl-clipboard-rs v0.4.1
[INFO] [stderr]   Downloaded didyoumean v1.1.4
[INFO] [stderr]   Downloaded httparse v1.7.1
[INFO] [stderr]   Downloaded ipnet v2.5.0
[INFO] [stderr]   Downloaded clap_complete v4.3.0
[INFO] [stderr]   Downloaded clap_complete v3.2.5
[INFO] [stderr]   Downloaded roff v0.2.1
[INFO] [stderr]   Downloaded clap_mangen v0.1.11
[INFO] [stderr]   Downloaded exitfailure v0.5.1
[INFO] [stderr]   Downloaded os_pipe v0.9.2
[INFO] [stderr]   Downloaded iana-time-zone v0.1.57
[INFO] [stderr]   Downloaded chrono v0.4.30
[INFO] [stderr]   Downloaded wincolor v0.1.6
[INFO] [stderr]   Downloaded termcolor v0.3.6
[INFO] [stderr]   Downloaded fixedbitset v0.2.0
[INFO] [stderr]   Downloaded tree_magic v0.2.3
[INFO] [stderr]   Downloaded wayland-sys v0.27.0
[INFO] [stderr]   Downloaded dialoguer v0.10.4
[INFO] [stderr]   Downloaded console v0.15.7
[INFO] [stderr]   Downloaded indicatif v0.16.2
[INFO] [stderr]   Downloaded h2 v0.3.13
[INFO] [stderr]   Downloaded native-tls v0.2.10
[INFO] [stderr]   Downloaded tracing v0.1.35
[INFO] [stderr]   Downloaded claxon v0.4.3
[INFO] [stderr]   Downloaded clang-sys v1.3.3
[INFO] [stderr]   Downloaded bumpalo v3.10.0
[INFO] [stderr]   Downloaded hound v3.4.0
[INFO] [stderr]   Downloaded bytemuck v1.9.1
[INFO] [stderr]   Downloaded string_cache v0.8.4
[INFO] [stderr]   Downloaded html5ever v0.26.0
[INFO] [stderr]   Downloaded cssparser v0.31.2
[INFO] [stderr]   Downloaded selectors v0.25.0
[INFO] [stderr]   Downloaded tendril v0.4.3
[INFO] [stderr]   Downloaded number_prefix v0.4.0
[INFO] [stderr]   Downloaded tokio-util v0.7.3
[INFO] [stderr]   Downloaded ego-tree v0.6.2
[INFO] [stderr]   Downloaded string_cache_codegen v0.5.2
[INFO] [stderr]   Downloaded markup5ever v0.11.0
[INFO] [stderr]   Downloaded cssparser-macros v0.6.1
[INFO] [stderr]   Downloaded dtoa-short v0.3.3
[INFO] [stderr]   Downloaded servo_arc v0.3.0
[INFO] [stderr]   Downloaded futf v0.1.5
[INFO] [stderr]   Downloaded mac v0.1.1
[INFO] [stderr]   Downloaded scraper v0.17.1
[INFO] [stderr]   Downloaded shellexpand v3.0.0
[INFO] [stderr]   Downloaded tokio v1.19.2
[INFO] [stderr]   Downloaded libc v0.2.137
[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] 6c9e0be27da69b4e26f35087df671b1c9a289645ae919e1807165283936d2169
[INFO] running `Command { std: "docker" "start" "-a" "6c9e0be27da69b4e26f35087df671b1c9a289645ae919e1807165283936d2169", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6c9e0be27da69b4e26f35087df671b1c9a289645ae919e1807165283936d2169", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c9e0be27da69b4e26f35087df671b1c9a289645ae919e1807165283936d2169", kill_on_drop: false }`
[INFO] [stdout] 6c9e0be27da69b4e26f35087df671b1c9a289645ae919e1807165283936d2169
[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] 1c21ae9ec32cbf6647f3a0403dc37be4c4af86a430ba2c3f420fda9df39e1943
[INFO] running `Command { std: "docker" "start" "-a" "1c21ae9ec32cbf6647f3a0403dc37be4c4af86a430ba2c3f420fda9df39e1943", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.137
[INFO] [stderr]    Compiling proc-macro2 v1.0.56
[INFO] [stderr]    Compiling unicode-ident v1.0.1
[INFO] [stderr]    Compiling quote v1.0.26
[INFO] [stderr]    Compiling syn v1.0.96
[INFO] [stderr]     Checking once_cell v1.17.1
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling ahash v0.7.6
[INFO] [stderr]    Compiling lock_api v0.4.7
[INFO] [stderr]    Compiling ppv-lite86 v0.2.16
[INFO] [stderr]    Compiling parking_lot_core v0.9.3
[INFO] [stderr]    Compiling serde_derive v1.0.160
[INFO] [stderr]    Compiling siphasher v0.3.10
[INFO] [stderr]    Compiling io-lifetimes v1.0.3
[INFO] [stderr]    Compiling serde v1.0.160
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling rustix v0.36.5
[INFO] [stderr]     Checking pin-project-lite v0.2.9
[INFO] [stderr]    Compiling futures-core v0.3.21
[INFO] [stderr]    Compiling phf_shared v0.10.0
[INFO] [stderr]    Compiling termcolor v1.1.3
[INFO] [stderr]    Compiling futures-task v0.3.21
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]     Checking futures-sink v0.3.21
[INFO] [stderr]    Compiling xml-rs v0.8.18
[INFO] [stderr]    Compiling futures-channel v0.3.21
[INFO] [stderr]    Compiling unicase v2.7.0
[INFO] [stderr]    Compiling futures-util v0.3.21
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/proc-macro2-1.0.56/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 wayland-sys v0.27.0
[INFO] [stderr]    Compiling nix v0.17.0
[INFO] [stderr]     Checking futures-io v0.3.21
[INFO] [stderr]     Checking slab v0.4.6
[INFO] [stderr]    Compiling encoding_rs v0.8.31
[INFO] [stderr]     Checking tracing-core v0.1.27
[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" "1c21ae9ec32cbf6647f3a0403dc37be4c4af86a430ba2c3f420fda9df39e1943", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c21ae9ec32cbf6647f3a0403dc37be4c4af86a430ba2c3f420fda9df39e1943", kill_on_drop: false }`
[INFO] [stdout] 1c21ae9ec32cbf6647f3a0403dc37be4c4af86a430ba2c3f420fda9df39e1943
[INFO] checking charcoal-dict-0.2.7 against try#9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88 for pr-124157
[INFO] extracting crate charcoal-dict 0.2.7 into /workspace/builds/worker-2-tc2/source
[INFO] validating manifest of crates.io crate charcoal-dict 0.2.7 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 charcoal-dict 0.2.7
[INFO] finished tweaking crates.io crate charcoal-dict 0.2.7
[INFO] tweaked toml for crates.io crate charcoal-dict 0.2.7 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate crates.io crate charcoal-dict 0.2.7 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] 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] 31f1222eb34b35661e4a4eaa0d3ee8f7055526133419eff855edcea21b5fdaee
[INFO] running `Command { std: "docker" "start" "-a" "31f1222eb34b35661e4a4eaa0d3ee8f7055526133419eff855edcea21b5fdaee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "31f1222eb34b35661e4a4eaa0d3ee8f7055526133419eff855edcea21b5fdaee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "31f1222eb34b35661e4a4eaa0d3ee8f7055526133419eff855edcea21b5fdaee", kill_on_drop: false }`
[INFO] [stdout] 31f1222eb34b35661e4a4eaa0d3ee8f7055526133419eff855edcea21b5fdaee
[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] e487f990c99d374d4826cac59564728197d577f3d9b4cee96e2c6d2da6bca2ba
[INFO] running `Command { std: "docker" "start" "-a" "e487f990c99d374d4826cac59564728197d577f3d9b4cee96e2c6d2da6bca2ba", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.137
[INFO] [stderr]    Compiling proc-macro2 v1.0.56
[INFO] [stderr]    Compiling quote v1.0.26
[INFO] [stderr]    Compiling unicode-ident v1.0.1
[INFO] [stderr]    Compiling syn v1.0.96
[INFO] [stderr]     Checking once_cell v1.17.1
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling ahash v0.7.6
[INFO] [stderr]    Compiling lock_api v0.4.7
[INFO] [stderr]    Compiling parking_lot_core v0.9.3
[INFO] [stderr]    Compiling ppv-lite86 v0.2.16
[INFO] [stderr]    Compiling serde_derive v1.0.160
[INFO] [stderr]    Compiling siphasher v0.3.10
[INFO] [stderr]    Compiling io-lifetimes v1.0.3
[INFO] [stderr]    Compiling serde v1.0.160
[INFO] [stderr]    Compiling rustix v0.36.5
[INFO] [stderr]     Checking pin-project-lite v0.2.9
[INFO] [stderr]    Compiling phf_shared v0.10.0
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling futures-core v0.3.21
[INFO] [stderr]    Compiling termcolor v1.1.3
[INFO] [stderr]    Compiling xml-rs v0.8.18
[INFO] [stderr]    Compiling futures-channel v0.3.21
[INFO] [stderr]     Checking futures-sink v0.3.21
[INFO] [stderr]    Compiling futures-task v0.3.21
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling unicase v2.7.0
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/proc-macro2-1.0.56/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 futures-util v0.3.21
[INFO] [stderr]    Compiling wayland-sys v0.27.0
[INFO] [stderr]    Compiling nix v0.17.0
[INFO] [stderr]     Checking slab v0.4.6
[INFO] [stderr]     Checking futures-io v0.3.21
[INFO] [stderr]    Compiling encoding_rs v0.8.31
[INFO] [stderr]     Checking tracing-core v0.1.27
[INFO] [stderr]    Compiling memoffset v0.6.5
[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]    Compiling num-traits v0.2.15
[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" "e487f990c99d374d4826cac59564728197d577f3d9b4cee96e2c6d2da6bca2ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e487f990c99d374d4826cac59564728197d577f3d9b4cee96e2c6d2da6bca2ba", kill_on_drop: false }`
[INFO] [stdout] e487f990c99d374d4826cac59564728197d577f3d9b4cee96e2c6d2da6bca2ba
