[INFO] fetching crate karlo-rs 1.0.1...
[INFO] checking karlo-rs-1.0.1 against master#6162f6f12339aa81fe16b8a64644ead497e411b2 for pr-113242
[INFO] extracting crate karlo-rs 1.0.1 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate karlo-rs 1.0.1 on toolchain 6162f6f12339aa81fe16b8a64644ead497e411b2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6162f6f12339aa81fe16b8a64644ead497e411b2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate karlo-rs 1.0.1
[INFO] finished tweaking crates.io crate karlo-rs 1.0.1
[INFO] tweaked toml for crates.io crate karlo-rs 1.0.1 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate crates.io crate karlo-rs 1.0.1 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" "+6162f6f12339aa81fe16b8a64644ead497e411b2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded half v2.2.1
[INFO] [stderr]   Downloaded lebe v0.5.2
[INFO] [stderr]   Downloaded bit_field v0.10.2
[INFO] [stderr]   Downloaded simd-adler32 v0.3.5
[INFO] [stderr]   Downloaded memoffset v0.8.0
[INFO] [stderr]   Downloaded zune-inflate v0.2.52
[INFO] [stderr]   Downloaded crossbeam-epoch v0.9.14
[INFO] [stderr]   Downloaded proc-macro2 v1.0.53
[INFO] [stderr]   Downloaded crossbeam-channel v0.5.7
[INFO] [stderr]   Downloaded exr v1.6.3
[INFO] [stderr]   Downloaded tiff v0.8.1
[INFO] [stderr]   Downloaded gif v0.11.4
[INFO] [stderr]   Downloaded jpeg-decoder v0.3.0
[INFO] [stderr]   Downloaded openssl v0.10.48
[INFO] [stderr]   Downloaded image v0.24.5
[INFO] [stderr]   Downloaded rustix v0.36.11
[INFO] [stderr]   Downloaded reqwest v0.11.15
[INFO] [stderr]   Downloaded spin v0.9.6
[INFO] [stderr]   Downloaded png v0.17.7
[INFO] [stderr]   Downloaded crossbeam-utils v0.8.15
[INFO] [stderr]   Downloaded bytemuck v1.13.1
[INFO] [stderr]   Downloaded openssl-sys v0.9.83
[INFO] [stderr]   Downloaded serde v1.0.158
[INFO] [stderr]   Downloaded io-lifetimes v1.0.9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:a420fdec406141845121210faa381f8029b0be6d4170deff7c4445a424f67918" "/opt/rustwide/cargo-home/bin/cargo" "+6162f6f12339aa81fe16b8a64644ead497e411b2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 64df0a613c1094ebad46f78c976c0784c2fb45880526458cf58a459c1051f9cb
[INFO] running `Command { std: "docker" "start" "-a" "64df0a613c1094ebad46f78c976c0784c2fb45880526458cf58a459c1051f9cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "64df0a613c1094ebad46f78c976c0784c2fb45880526458cf58a459c1051f9cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "64df0a613c1094ebad46f78c976c0784c2fb45880526458cf58a459c1051f9cb", kill_on_drop: false }`
[INFO] [stdout] 64df0a613c1094ebad46f78c976c0784c2fb45880526458cf58a459c1051f9cb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:a420fdec406141845121210faa381f8029b0be6d4170deff7c4445a424f67918" "/opt/rustwide/cargo-home/bin/cargo" "+6162f6f12339aa81fe16b8a64644ead497e411b2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a9f8d12f5625e87670b855e27548053fb0ec052a92534de77c9b20d5d238412f
[INFO] running `Command { std: "docker" "start" "-a" "a9f8d12f5625e87670b855e27548053fb0ec052a92534de77c9b20d5d238412f", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.140
[INFO] [stderr]    Compiling proc-macro2 v1.0.53
[INFO] [stderr]    Compiling unicode-ident v1.0.8
[INFO] [stderr]    Compiling quote v1.0.26
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling futures-core v0.3.27
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling crossbeam-utils v0.8.15
[INFO] [stderr]    Compiling memoffset v0.8.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.14
[INFO] [stderr]    Compiling openssl-sys v0.9.83
[INFO] [stderr]    Compiling tokio v1.26.0
[INFO] [stderr]     Checking futures-sink v0.3.27
[INFO] [stderr]    Compiling rayon-core v1.11.0
[INFO] [stderr]    Compiling futures-task v0.3.27
[INFO] [stderr]     Checking tracing-core v0.1.30
[INFO] [stderr]    Compiling futures-util v0.3.27
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]    Compiling openssl v0.10.48
[INFO] [stderr]     Checking miniz_oxide v0.6.2
[INFO] [stderr]    Compiling indexmap v1.9.2
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling serde v1.0.158
[INFO] [stderr]    Compiling futures-channel v0.3.27
[INFO] [stderr]     Checking tracing v0.1.37
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]     Checking either v1.8.1
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/proc-macro2-1.0.53/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 spin v0.9.6
[INFO] [stderr]    Compiling num-rational v0.4.1
[INFO] [stderr]     Checking simd-adler32 v0.3.5
[INFO] [stderr]    Compiling serde_json v1.0.94
[INFO] [stdout] error: aborting due to 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" "a9f8d12f5625e87670b855e27548053fb0ec052a92534de77c9b20d5d238412f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a9f8d12f5625e87670b855e27548053fb0ec052a92534de77c9b20d5d238412f", kill_on_drop: false }`
[INFO] [stdout] a9f8d12f5625e87670b855e27548053fb0ec052a92534de77c9b20d5d238412f