[INFO] fetching crate distance-field 0.2.0...
[INFO] checking distance-field-0.2.0 against master#c2f2db79ca3024f68d22b45aa22b570775c2c4ad for pr-124157
[INFO] extracting crate distance-field 0.2.0 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate distance-field 0.2.0 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 distance-field 0.2.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate distance-field 0.2.0
[INFO] tweaked toml for crates.io crate distance-field 0.2.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate crates.io crate distance-field 0.2.0 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 spiral v0.2.0
[INFO] [stderr]   Downloaded pprof v0.10.1
[INFO] [stderr]   Downloaded str_stack v0.1.0
[INFO] [stderr]   Downloaded symbolic-common v9.2.1
[INFO] [stderr]   Downloaded futures-sink v0.3.24
[INFO] [stderr]   Downloaded futures-core v0.3.24
[INFO] [stderr]   Downloaded findshlibs v0.10.2
[INFO] [stderr]   Downloaded docopt v1.1.1
[INFO] [stderr]   Downloaded wyz v0.5.0
[INFO] [stderr]   Downloaded spin v0.9.4
[INFO] [stderr]   Downloaded serde_derive v1.0.145
[INFO] [stderr]   Downloaded png v0.17.6
[INFO] [stderr]   Downloaded symbolic-demangle v9.2.1
[INFO] [stderr]   Downloaded serde v1.0.145
[INFO] [stderr]   Downloaded syn v1.0.102
[INFO] [stderr]   Downloaded gif v0.11.4
[INFO] [stderr]   Downloaded jpeg-decoder v0.2.6
[INFO] [stderr]   Downloaded half v2.1.0
[INFO] [stderr]   Downloaded inferno v0.11.9
[INFO] [stderr]   Downloaded tiff v0.7.3
[INFO] [stderr]   Downloaded bytemuck v1.12.1
[INFO] [stderr]   Downloaded memmap2 v0.5.7
[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] 9a527380facea0d32a992b84477e18c63016a48a9d7092de29e4c8406ec4099c
[INFO] running `Command { std: "docker" "start" "-a" "9a527380facea0d32a992b84477e18c63016a48a9d7092de29e4c8406ec4099c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9a527380facea0d32a992b84477e18c63016a48a9d7092de29e4c8406ec4099c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a527380facea0d32a992b84477e18c63016a48a9d7092de29e4c8406ec4099c", kill_on_drop: false }`
[INFO] [stdout] 9a527380facea0d32a992b84477e18c63016a48a9d7092de29e4c8406ec4099c
[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] 9ef6b25afe32ba4ea1a32399e525fa756ec24d2e24e43879298a0ebfe08e20ed
[INFO] running `Command { std: "docker" "start" "-a" "9ef6b25afe32ba4ea1a32399e525fa756ec24d2e24e43879298a0ebfe08e20ed", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.134
[INFO] [stderr]    Compiling proc-macro2 v1.0.46
[INFO] [stderr]    Compiling unicode-ident v1.0.5
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling syn v1.0.102
[INFO] [stderr]    Compiling crossbeam-utils v0.8.12
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.11
[INFO] [stderr]    Compiling serde_derive v1.0.145
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling rayon-core v1.9.3
[INFO] [stderr]    Compiling serde v1.0.145
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]    Compiling lock_api v0.4.9
[INFO] [stderr]     Checking either v1.8.0
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/proc-macro2-1.0.46/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 rayon v1.5.3
[INFO] [stderr]     Checking crossbeam-channel v0.5.6
[INFO] [stderr]     Checking miniz_oxide v0.5.4
[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" "9ef6b25afe32ba4ea1a32399e525fa756ec24d2e24e43879298a0ebfe08e20ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9ef6b25afe32ba4ea1a32399e525fa756ec24d2e24e43879298a0ebfe08e20ed", kill_on_drop: false }`
[INFO] [stdout] 9ef6b25afe32ba4ea1a32399e525fa756ec24d2e24e43879298a0ebfe08e20ed
[INFO] checking distance-field-0.2.0 against try#9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88 for pr-124157
[INFO] extracting crate distance-field 0.2.0 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate distance-field 0.2.0 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 distance-field 0.2.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate distance-field 0.2.0
[INFO] tweaked toml for crates.io crate distance-field 0.2.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate crates.io crate distance-field 0.2.0 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] cd190f54d3c1ad66a9ce832289ca25ff6719de5d168634416f8cba0e4fdf5bbd
[INFO] running `Command { std: "docker" "start" "-a" "cd190f54d3c1ad66a9ce832289ca25ff6719de5d168634416f8cba0e4fdf5bbd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cd190f54d3c1ad66a9ce832289ca25ff6719de5d168634416f8cba0e4fdf5bbd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cd190f54d3c1ad66a9ce832289ca25ff6719de5d168634416f8cba0e4fdf5bbd", kill_on_drop: false }`
[INFO] [stdout] cd190f54d3c1ad66a9ce832289ca25ff6719de5d168634416f8cba0e4fdf5bbd
[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] 3464b65d0d80ee63f33c309fead2235503e12cea6f7ff7ae7e8d0923b4d91d2a
[INFO] running `Command { std: "docker" "start" "-a" "3464b65d0d80ee63f33c309fead2235503e12cea6f7ff7ae7e8d0923b4d91d2a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.134
[INFO] [stderr]    Compiling proc-macro2 v1.0.46
[INFO] [stderr]    Compiling unicode-ident v1.0.5
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling syn v1.0.102
[INFO] [stderr]    Compiling crossbeam-utils v0.8.12
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.11
[INFO] [stderr]    Compiling serde_derive v1.0.145
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling rayon-core v1.9.3
[INFO] [stderr]    Compiling serde v1.0.145
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]    Compiling lock_api v0.4.9
[INFO] [stderr]     Checking either v1.8.0
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/proc-macro2-1.0.46/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 crossbeam-channel v0.5.6
[INFO] [stderr]    Compiling rayon v1.5.3
[INFO] [stderr]     Checking miniz_oxide v0.5.4
[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" "3464b65d0d80ee63f33c309fead2235503e12cea6f7ff7ae7e8d0923b4d91d2a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3464b65d0d80ee63f33c309fead2235503e12cea6f7ff7ae7e8d0923b4d91d2a", kill_on_drop: false }`
[INFO] [stdout] 3464b65d0d80ee63f33c309fead2235503e12cea6f7ff7ae7e8d0923b4d91d2a
