[INFO] fetching crate karlo-rs 1.0.1...
[INFO] checking karlo-rs-1.0.1 against master#c2f2db79ca3024f68d22b45aa22b570775c2c4ad for pr-124157
[INFO] extracting crate karlo-rs 1.0.1 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate karlo-rs 1.0.1 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 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-4-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" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded parking_lot_core v0.9.7
[INFO] [stderr]   Downloaded mio v0.8.6
[INFO] [stderr]   Downloaded wasm-bindgen-futures v0.4.34
[INFO] [stderr]   Downloaded proc-macro2 v1.0.53
[INFO] [stderr]   Downloaded simd-adler32 v0.3.5
[INFO] [stderr]   Downloaded slab v0.4.8
[INFO] [stderr]   Downloaded futures-sink v0.3.27
[INFO] [stderr]   Downloaded nanorand v0.7.0
[INFO] [stderr]   Downloaded serde v1.0.158
[INFO] [stderr]   Downloaded spin v0.9.6
[INFO] [stderr]   Downloaded base64 v0.21.0
[INFO] [stderr]   Downloaded flume v0.10.14
[INFO] [stderr]   Downloaded exr v1.6.3
[INFO] [stderr]   Downloaded image v0.24.5
[INFO] [stderr]   Downloaded tokio v1.26.0
[INFO] [stderr]   Downloaded hyper v0.14.25
[INFO] [stderr]   Downloaded openssl v0.10.48
[INFO] [stderr]   Downloaded rustix v0.36.11
[INFO] [stderr]   Downloaded tiff v0.8.1
[INFO] [stderr]   Downloaded half v2.2.1
[INFO] [stderr]   Downloaded zune-inflate v0.2.52
[INFO] [stderr]   Downloaded png v0.17.7
[INFO] [stderr]   Downloaded security-framework v2.8.2
[INFO] [stderr]   Downloaded io-lifetimes v1.0.9
[INFO] [stderr]   Downloaded reqwest v0.11.15
[INFO] [stderr]   Downloaded futures-util v0.3.27
[INFO] [stderr]   Downloaded tokio-util v0.7.7
[INFO] [stderr]   Downloaded h2 v0.3.16
[INFO] [stderr]   Downloaded openssl-sys v0.9.83
[INFO] [stderr]   Downloaded futures-channel v0.3.27
[INFO] [stderr]   Downloaded futures-task v0.3.27
[INFO] [stderr]   Downloaded futures-core v0.3.27
[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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8d9241e42f69e1abe751c182f5705ee64d0cc8e21a4765649a91cfc41ab2c362
[INFO] running `Command { std: "docker" "start" "-a" "8d9241e42f69e1abe751c182f5705ee64d0cc8e21a4765649a91cfc41ab2c362", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8d9241e42f69e1abe751c182f5705ee64d0cc8e21a4765649a91cfc41ab2c362", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d9241e42f69e1abe751c182f5705ee64d0cc8e21a4765649a91cfc41ab2c362", kill_on_drop: false }`
[INFO] [stdout] 8d9241e42f69e1abe751c182f5705ee64d0cc8e21a4765649a91cfc41ab2c362
[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=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] 41d194353203ce0a03a1f7083620dcec5e7f6d1da3394cd3c128b65295e06bca
[INFO] running `Command { std: "docker" "start" "-a" "41d194353203ce0a03a1f7083620dcec5e7f6d1da3394cd3c128b65295e06bca", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.140
[INFO] [stderr]    Compiling proc-macro2 v1.0.53
[INFO] [stderr]    Compiling quote v1.0.26
[INFO] [stderr]    Compiling unicode-ident v1.0.8
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling futures-core v0.3.27
[INFO] [stderr]    Compiling crossbeam-utils v0.8.15
[INFO] [stderr]     Checking smallvec v1.10.0
[INFO] [stderr]    Compiling memoffset v0.8.0
[INFO] [stderr]    Compiling lock_api v0.4.9
[INFO] [stderr]     Checking once_cell v1.17.1
[INFO] [stderr]    Compiling pkg-config v0.3.26
[INFO] [stderr]    Compiling parking_lot_core v0.9.7
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.14
[INFO] [stderr]     Checking bytes v1.4.0
[INFO] [stderr]    Compiling tokio v1.26.0
[INFO] [stderr]     Checking futures-sink v0.3.27
[INFO] [stderr]    Compiling futures-task v0.3.27
[INFO] [stderr]     Checking tracing-core v0.1.30
[INFO] [stderr]    Compiling indexmap v1.9.2
[INFO] [stderr]    Compiling slab v0.4.8
[INFO] [stderr]    Compiling openssl v0.10.48
[INFO] [stderr]    Compiling futures-util v0.3.27
[INFO] [stderr]     Checking miniz_oxide v0.6.2
[INFO] [stderr]    Compiling serde v1.0.158
[INFO] [stderr]    Compiling native-tls v0.2.11
[INFO] [stderr]    Compiling futures-channel v0.3.27
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]     Checking http v0.2.9
[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 either v1.8.1
[INFO] [stderr]     Checking tracing v0.1.37
[INFO] [stderr]    Compiling openssl-sys v0.9.83
[INFO] [stderr]     Checking try-lock v0.2.4
[INFO] [stderr]     Checking spin v0.9.6
[INFO] [stderr]    Compiling num-rational v0.4.1
[INFO] [stderr]     Checking crossbeam-channel v0.5.7
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking simd-adler32 v0.3.5
[INFO] [stderr]     Checking weezl v0.1.7
[INFO] [stderr]     Checking unicode-bidi v0.3.13
[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" "41d194353203ce0a03a1f7083620dcec5e7f6d1da3394cd3c128b65295e06bca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "41d194353203ce0a03a1f7083620dcec5e7f6d1da3394cd3c128b65295e06bca", kill_on_drop: false }`
[INFO] [stdout] 41d194353203ce0a03a1f7083620dcec5e7f6d1da3394cd3c128b65295e06bca
[INFO] checking karlo-rs-1.0.1 against try#9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88 for pr-124157
[INFO] extracting crate karlo-rs 1.0.1 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate karlo-rs 1.0.1 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 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-4-tc2/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" "+9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88" "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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 17c0434522b9080440084e40797dcc2dc7ffae5a2612ad25c156ffdcbda866b9
[INFO] running `Command { std: "docker" "start" "-a" "17c0434522b9080440084e40797dcc2dc7ffae5a2612ad25c156ffdcbda866b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "17c0434522b9080440084e40797dcc2dc7ffae5a2612ad25c156ffdcbda866b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "17c0434522b9080440084e40797dcc2dc7ffae5a2612ad25c156ffdcbda866b9", kill_on_drop: false }`
[INFO] [stdout] 17c0434522b9080440084e40797dcc2dc7ffae5a2612ad25c156ffdcbda866b9
[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=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] 6b63115b908fbea2960da1b5614fa7fe9212091e89a8f0be34c7be41b2afb12f
[INFO] running `Command { std: "docker" "start" "-a" "6b63115b908fbea2960da1b5614fa7fe9212091e89a8f0be34c7be41b2afb12f", 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 lock_api v0.4.9
[INFO] [stderr]    Compiling futures-core v0.3.27
[INFO] [stderr]     Checking smallvec v1.10.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.15
[INFO] [stderr]    Compiling memoffset v0.8.0
[INFO] [stderr]    Compiling pkg-config v0.3.26
[INFO] [stderr]    Compiling parking_lot_core v0.9.7
[INFO] [stderr]     Checking once_cell v1.17.1
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.14
[INFO] [stderr]     Checking bytes v1.4.0
[INFO] [stderr]    Compiling tokio v1.26.0
[INFO] [stderr]     Checking futures-sink v0.3.27
[INFO] [stderr]    Compiling futures-task v0.3.27
[INFO] [stderr]     Checking tracing-core v0.1.30
[INFO] [stderr]    Compiling slab v0.4.8
[INFO] [stderr]    Compiling indexmap v1.9.2
[INFO] [stderr]    Compiling futures-util v0.3.27
[INFO] [stderr]    Compiling openssl v0.10.48
[INFO] [stderr]     Checking miniz_oxide v0.6.2
[INFO] [stderr]    Compiling serde v1.0.158
[INFO] [stderr]    Compiling futures-channel v0.3.27
[INFO] [stderr]    Compiling native-tls v0.2.11
[INFO] [stderr]     Checking http v0.2.9
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]     Checking try-lock v0.2.4
[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 tracing v0.1.37
[INFO] [stderr]     Checking either v1.8.1
[INFO] [stderr]    Compiling openssl-sys v0.9.83
[INFO] [stderr]     Checking crossbeam-channel v0.5.7
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking spin v0.9.6
[INFO] [stderr]    Compiling num-rational v0.4.1
[INFO] [stderr]    Compiling serde_json v1.0.94
[INFO] [stderr]     Checking weezl v0.1.7
[INFO] [stderr]     Checking simd-adler32 v0.3.5
[INFO] [stderr]     Checking flate2 v1.0.25
[INFO] [stderr]     Checking unicode-bidi v0.3.13
[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" "6b63115b908fbea2960da1b5614fa7fe9212091e89a8f0be34c7be41b2afb12f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b63115b908fbea2960da1b5614fa7fe9212091e89a8f0be34c7be41b2afb12f", kill_on_drop: false }`
[INFO] [stdout] 6b63115b908fbea2960da1b5614fa7fe9212091e89a8f0be34c7be41b2afb12f
