[INFO] fetching crate pkgar 0.1.11...
[INFO] checking pkgar-0.1.11 against master#af4a5a13a15fa0c60e06321077ef452f769b42fd for pr-122960-4
[INFO] extracting crate pkgar 0.1.11 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate pkgar 0.1.11 on toolchain af4a5a13a15fa0c60e06321077ef452f769b42fd
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate pkgar 0.1.11
[INFO] finished tweaking crates.io crate pkgar 0.1.11
[INFO] tweaked toml for crates.io crate pkgar 0.1.11 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate crates.io crate pkgar 0.1.11 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" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pkgar-keys v0.1.11
[INFO] [stderr]   Downloaded pkgar-core v0.1.11
[INFO] [stderr]   Downloaded seckey v0.11.2
[INFO] [stderr]   Downloaded rustc-demangle v0.1.22
[INFO] [stderr]   Downloaded user-error v1.2.8
[INFO] [stderr]   Downloaded sodiumoxide v0.2.7
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5801f60be7e01cfe5c94e1c8367e17d35467180cdbe97c05d3c0bdc7ac86f991
[INFO] running `Command { std: "docker" "start" "-a" "5801f60be7e01cfe5c94e1c8367e17d35467180cdbe97c05d3c0bdc7ac86f991", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5801f60be7e01cfe5c94e1c8367e17d35467180cdbe97c05d3c0bdc7ac86f991", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5801f60be7e01cfe5c94e1c8367e17d35467180cdbe97c05d3c0bdc7ac86f991", kill_on_drop: false }`
[INFO] [stdout] 5801f60be7e01cfe5c94e1c8367e17d35467180cdbe97c05d3c0bdc7ac86f991
[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=allow" "-e" "RUSTDOCFLAGS=--cap-lints=allow" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4c6657379a4b7357b3b87d2511075437611b46308ddb1ec0edf5c4de6dbf749e
[INFO] running `Command { std: "docker" "start" "-a" "4c6657379a4b7357b3b87d2511075437611b46308ddb1ec0edf5c4de6dbf749e", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.15
[INFO] [stderr]    Compiling pkg-config v0.3.26
[INFO] [stderr]    Compiling serde_derive v1.0.160
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling serde v1.0.160
[INFO] [stderr]    Compiling rayon-core v1.11.0
[INFO] [stderr]    Compiling backtrace v0.3.67
[INFO] [stderr]    Compiling memoffset v0.8.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.14
[INFO] [stderr]    Compiling walkdir v2.3.3
[INFO] [stderr]     Checking num_cpus v1.15.0
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling proc-macro2 v1.0.56
[INFO] [stderr]     Checking generic-array v0.14.7
[INFO] [stderr]     Checking signature v1.6.4
[INFO] [stderr]     Checking gimli v0.27.2
[INFO] [stderr]     Checking ed25519 v1.5.3
[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]     Checking miniz_oxide v0.6.2
[INFO] [stderr]    Compiling error-chain v0.12.4
[INFO] [stderr]    Compiling blake3 v0.3.8
[INFO] [stderr]     Checking getrandom v0.2.9
[INFO] [stderr]     Checking rustc-demangle v0.1.22
[INFO] [stderr]     Checking unicode-width v0.1.10
[INFO] [stderr]     Checking either v1.8.1
[INFO] [stderr]     Checking crypto-mac v0.8.0
[INFO] [stderr]     Checking digest v0.9.0
[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]     Checking dirs-sys v0.3.7
[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" "4c6657379a4b7357b3b87d2511075437611b46308ddb1ec0edf5c4de6dbf749e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c6657379a4b7357b3b87d2511075437611b46308ddb1ec0edf5c4de6dbf749e", kill_on_drop: false }`
[INFO] [stdout] 4c6657379a4b7357b3b87d2511075437611b46308ddb1ec0edf5c4de6dbf749e
[INFO] checking pkgar-0.1.11 against try#36dbcaee1a55543dfc181be52a69d99ff46ff62f for pr-122960-4
[INFO] extracting crate pkgar 0.1.11 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate pkgar 0.1.11 on toolchain 36dbcaee1a55543dfc181be52a69d99ff46ff62f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+36dbcaee1a55543dfc181be52a69d99ff46ff62f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate pkgar 0.1.11
[INFO] finished tweaking crates.io crate pkgar 0.1.11
[INFO] tweaked toml for crates.io crate pkgar 0.1.11 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate crates.io crate pkgar 0.1.11 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" "+36dbcaee1a55543dfc181be52a69d99ff46ff62f" "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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+36dbcaee1a55543dfc181be52a69d99ff46ff62f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d9655d9cbec64c9c82e7d0f22d139dcda8af5c80de2678261ab4a0040d199341
[INFO] running `Command { std: "docker" "start" "-a" "d9655d9cbec64c9c82e7d0f22d139dcda8af5c80de2678261ab4a0040d199341", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d9655d9cbec64c9c82e7d0f22d139dcda8af5c80de2678261ab4a0040d199341", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d9655d9cbec64c9c82e7d0f22d139dcda8af5c80de2678261ab4a0040d199341", kill_on_drop: false }`
[INFO] [stdout] d9655d9cbec64c9c82e7d0f22d139dcda8af5c80de2678261ab4a0040d199341
[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=allow" "-e" "RUSTDOCFLAGS=--cap-lints=allow" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+36dbcaee1a55543dfc181be52a69d99ff46ff62f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 60c2495b87bc3fe0ea2c76e295db847234ae39c3b51405b50d95aa3ab15d25ee
[INFO] running `Command { std: "docker" "start" "-a" "60c2495b87bc3fe0ea2c76e295db847234ae39c3b51405b50d95aa3ab15d25ee", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] skipping non-2021 edition `2018`
[INFO] running `Command { std: "docker" "inspect" "60c2495b87bc3fe0ea2c76e295db847234ae39c3b51405b50d95aa3ab15d25ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "60c2495b87bc3fe0ea2c76e295db847234ae39c3b51405b50d95aa3ab15d25ee", kill_on_drop: false }`
[INFO] [stdout] 60c2495b87bc3fe0ea2c76e295db847234ae39c3b51405b50d95aa3ab15d25ee