[INFO] fetching crate durl 0.2.2...
[INFO] checking durl-0.2.2 against try#c659ee110de67e82444e4b6c8407c1a9af9c2cf6 for pr-145608-1
[INFO] extracting crate durl 0.2.2 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate durl 0.2.2
[INFO] finished tweaking crates.io crate durl 0.2.2
[INFO] tweaked toml for crates.io crate durl 0.2.2 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate durl 0.2.2 on toolchain c659ee110de67e82444e4b6c8407c1a9af9c2cf6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate durl 0.2.2 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" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dffa4837707fc34bc0c3b8baa4a60cd05ccbac1c61c0dc3c6c76671b610c6982
[INFO] running `Command { std: "docker" "start" "-a" "dffa4837707fc34bc0c3b8baa4a60cd05ccbac1c61c0dc3c6c76671b610c6982", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dffa4837707fc34bc0c3b8baa4a60cd05ccbac1c61c0dc3c6c76671b610c6982", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dffa4837707fc34bc0c3b8baa4a60cd05ccbac1c61c0dc3c6c76671b610c6982", kill_on_drop: false }`
[INFO] [stdout] dffa4837707fc34bc0c3b8baa4a60cd05ccbac1c61c0dc3c6c76671b610c6982
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b990ecfc839d2a1d182c0ecfe93af466aa6df17fc8856e6087950fb65b0ac5da
[INFO] running `Command { std: "docker" "start" "-a" "b990ecfc839d2a1d182c0ecfe93af466aa6df17fc8856e6087950fb65b0ac5da", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.50
[INFO] [stderr]    Compiling syn v1.0.107
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]    Compiling tokio v1.25.0
[INFO] [stderr]     Checking num_cpus v1.15.0
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking socket2 v0.4.7
[INFO] [stderr]     Checking parking_lot_core v0.9.7
[INFO] [stderr]    Compiling futures-task v0.3.26
[INFO] [stderr]     Checking mio v0.8.5
[INFO] [stderr]    Compiling futures-util v0.3.26
[INFO] [stderr]     Checking tracing v0.1.37
[INFO] [stderr]    Compiling rustls v0.20.8
[INFO] [stderr]    Compiling futures-channel v0.3.26
[INFO] [stderr]     Checking indexmap v1.9.2
[INFO] [stderr]    Compiling serde v1.0.152
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking http-body v0.4.5
[INFO] [stderr]    Compiling async-trait v0.1.64
[INFO] [stderr]     Checking futures-io v0.3.26
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]    Compiling unicode-segmentation v1.10.1
[INFO] [stderr]     Checking base64 v0.21.0
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking futures-lite v1.12.0
[INFO] [stderr]     Checking url v2.3.1
[INFO] [stderr]     Checking regex-syntax v0.6.28
[INFO] [stderr]     Checking ipnet v2.7.1
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking termcolor v1.2.0
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.50/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 rustls-pemfile v1.0.2
[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 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "b990ecfc839d2a1d182c0ecfe93af466aa6df17fc8856e6087950fb65b0ac5da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b990ecfc839d2a1d182c0ecfe93af466aa6df17fc8856e6087950fb65b0ac5da", kill_on_drop: false }`
[INFO] [stdout] b990ecfc839d2a1d182c0ecfe93af466aa6df17fc8856e6087950fb65b0ac5da