[INFO] cloning repository https://github.com/thelonehegelian/find_invalid_urls
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/thelonehegelian/find_invalid_urls" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthelonehegelian%2Ffind_invalid_urls", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthelonehegelian%2Ffind_invalid_urls'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4a3b4a0b4563bf718ef7076c98e0a295c0ce4f27
[INFO] checking thelonehegelian/find_invalid_urls against try#3a4cb0edb4040379c037e06efeb5409e44be7b77 for pr-146377
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthelonehegelian%2Ffind_invalid_urls" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/thelonehegelian/find_invalid_urls
[INFO] finished tweaking git repo https://github.com/thelonehegelian/find_invalid_urls
[INFO] tweaked toml for git repo https://github.com/thelonehegelian/find_invalid_urls written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/thelonehegelian/find_invalid_urls on toolchain 3a4cb0edb4040379c037e06efeb5409e44be7b77
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4cb0edb4040379c037e06efeb5409e44be7b77" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/thelonehegelian/find_invalid_urls 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" "+3a4cb0edb4040379c037e06efeb5409e44be7b77" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded xml5ever v0.17.0
[INFO] [stderr]   Downloaded select v0.6.0
[INFO] [stderr]   Downloaded object v0.30.2
[INFO] [stderr]   Downloaded markup5ever_rcdom v0.2.0
[INFO] [stderr]   Downloaded gimli v0.27.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+3a4cb0edb4040379c037e06efeb5409e44be7b77" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 63aede20f3cd12e810452cf2cd50cdeaa9fe58f444211c3b606a8d402a8e05e7
[INFO] running `Command { std: "docker" "start" "-a" "63aede20f3cd12e810452cf2cd50cdeaa9fe58f444211c3b606a8d402a8e05e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "63aede20f3cd12e810452cf2cd50cdeaa9fe58f444211c3b606a8d402a8e05e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "63aede20f3cd12e810452cf2cd50cdeaa9fe58f444211c3b606a8d402a8e05e7", kill_on_drop: false }`
[INFO] [stdout] 63aede20f3cd12e810452cf2cd50cdeaa9fe58f444211c3b606a8d402a8e05e7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+3a4cb0edb4040379c037e06efeb5409e44be7b77" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3830a01c8cc27b6d486b53829625b0ea236abf7fe90f5951cb2420cd6f3daae5
[INFO] running `Command { std: "docker" "start" "-a" "3830a01c8cc27b6d486b53829625b0ea236abf7fe90f5951cb2420cd6f3daae5", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]    Compiling proc-macro2 v1.0.49
[INFO] [stderr]    Compiling syn v1.0.107
[INFO] [stderr]    Compiling parking_lot_core v0.9.6
[INFO] [stderr]    Compiling ppv-lite86 v0.2.17
[INFO] [stderr]    Compiling phf_shared v0.10.0
[INFO] [stderr]    Compiling openssl-sys v0.9.80
[INFO] [stderr]    Compiling tokio v1.24.1
[INFO] [stderr]     Checking new_debug_unreachable v1.0.4
[INFO] [stderr]    Compiling futures-task v0.3.25
[INFO] [stderr]     Checking mac v0.1.1
[INFO] [stderr]     Checking tracing-core v0.1.30
[INFO] [stderr]    Compiling indexmap v1.9.2
[INFO] [stderr]     Checking precomputed-hash v0.1.1
[INFO] [stderr]    Compiling openssl v0.10.45
[INFO] [stderr]     Checking futf v0.1.5
[INFO] [stderr]    Compiling futures-util v0.3.25
[INFO] [stderr]     Checking phf v0.10.1
[INFO] [stderr]     Checking tendril v0.4.3
[INFO] [stderr]     Checking http v0.2.8
[INFO] [stderr]    Compiling futures-channel v0.3.25
[INFO] [stderr]     Checking tinyvec v1.6.0
[INFO] [stderr]     Checking form_urlencoded v1.1.0
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]    Compiling backtrace v0.3.67
[INFO] [stderr]     Checking unicode-bidi v0.3.8
[INFO] [stderr]     Checking gimli v0.27.0
[INFO] [stderr]    Compiling encoding_rs v0.8.31
[INFO] [stderr]     Checking object v0.30.2
[INFO] [stderr]     Checking bit-vec v0.6.3
[INFO] [stderr]     Checking tracing v0.1.37
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.49/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 native-tls v0.2.11
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]     Checking ipnet v2.7.1
[INFO] [stderr]     Checking num_cpus v1.15.0
[INFO] [stderr]     Checking socket2 v0.4.7
[INFO] [stderr]     Checking mio v0.8.5
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking bit-set v0.5.3
[INFO] [stderr]     Checking http-body v0.4.5
[INFO] [stderr]     Checking parking_lot v0.12.1
[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" "3830a01c8cc27b6d486b53829625b0ea236abf7fe90f5951cb2420cd6f3daae5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3830a01c8cc27b6d486b53829625b0ea236abf7fe90f5951cb2420cd6f3daae5", kill_on_drop: false }`
[INFO] [stdout] 3830a01c8cc27b6d486b53829625b0ea236abf7fe90f5951cb2420cd6f3daae5