[INFO] fetching crate iso9660 0.1.1...
[INFO] checking iso9660-0.1.1 against master#af4a5a13a15fa0c60e06321077ef452f769b42fd for pr-122960-4
[INFO] extracting crate iso9660 0.1.1 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate iso9660 0.1.1 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 iso9660 0.1.1
[INFO] finished tweaking crates.io crate iso9660 0.1.1
[INFO] tweaked toml for crates.io crate iso9660 0.1.1 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate crates.io crate iso9660 0.1.1 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" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded md5 v0.7.0
[INFO] [stderr]   Downloaded fuser v0.12.0
[INFO] [stderr]   Downloaded zerocopy v0.6.1
[INFO] [stderr]   Downloaded bitflags v2.0.2
[INFO] [stderr]   Downloaded page_size v0.4.2
[INFO] [stderr]   Downloaded users v0.11.0
[INFO] [stderr]   Downloaded proc-macro2 v1.0.55
[INFO] [stderr]   Downloaded zerocopy-derive v0.3.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] f8f3b58c635325767aa123fb345e470acec34105cfcf843eb5ff136f85271c87
[INFO] running `Command { std: "docker" "start" "-a" "f8f3b58c635325767aa123fb345e470acec34105cfcf843eb5ff136f85271c87", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f8f3b58c635325767aa123fb345e470acec34105cfcf843eb5ff136f85271c87", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f8f3b58c635325767aa123fb345e470acec34105cfcf843eb5ff136f85271c87", kill_on_drop: false }`
[INFO] [stdout] f8f3b58c635325767aa123fb345e470acec34105cfcf843eb5ff136f85271c87
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 13d693e3f457a377a8f9a0aca8e30e302ce64ccbecf6b238badfff6a9b373b13
[INFO] running `Command { std: "docker" "start" "-a" "13d693e3f457a377a8f9a0aca8e30e302ce64ccbecf6b238badfff6a9b373b13", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.55
[INFO] [stderr]    Compiling unicode-ident v1.0.8
[INFO] [stderr]    Compiling quote v1.0.26
[INFO] [stderr]    Compiling libc v0.2.140
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking time-core v0.1.0
[INFO] [stderr]     Checking smallvec v1.10.0
[INFO] [stderr]     Checking bitflags v2.0.2
[INFO] [stderr]     Checking md5 v0.7.0
[INFO] [stderr]    Compiling fuser v0.12.0
[INFO] [stderr]     Checking nom v7.1.3
[INFO] [stderr]     Checking time v0.3.20
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/proc-macro2-1.0.55/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] [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" "13d693e3f457a377a8f9a0aca8e30e302ce64ccbecf6b238badfff6a9b373b13", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "13d693e3f457a377a8f9a0aca8e30e302ce64ccbecf6b238badfff6a9b373b13", kill_on_drop: false }`
[INFO] [stdout] 13d693e3f457a377a8f9a0aca8e30e302ce64ccbecf6b238badfff6a9b373b13
[INFO] checking iso9660-0.1.1 against try#36dbcaee1a55543dfc181be52a69d99ff46ff62f for pr-122960-4
[INFO] extracting crate iso9660 0.1.1 into /workspace/builds/worker-2-tc2/source
[INFO] validating manifest of crates.io crate iso9660 0.1.1 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 iso9660 0.1.1
[INFO] finished tweaking crates.io crate iso9660 0.1.1
[INFO] tweaked toml for crates.io crate iso9660 0.1.1 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate crates.io crate iso9660 0.1.1 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" "+36dbcaee1a55543dfc181be52a69d99ff46ff62f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+36dbcaee1a55543dfc181be52a69d99ff46ff62f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 80c1244e549b80fdafeb98fc1b425311988e473881757ca640ee1d3b9e0e3f12
[INFO] running `Command { std: "docker" "start" "-a" "80c1244e549b80fdafeb98fc1b425311988e473881757ca640ee1d3b9e0e3f12", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "80c1244e549b80fdafeb98fc1b425311988e473881757ca640ee1d3b9e0e3f12", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "80c1244e549b80fdafeb98fc1b425311988e473881757ca640ee1d3b9e0e3f12", kill_on_drop: false }`
[INFO] [stdout] 80c1244e549b80fdafeb98fc1b425311988e473881757ca640ee1d3b9e0e3f12
[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=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] 847258f8b7316981a25f64ea771e2c8200e52105b82d874429554fd7c4215838
[INFO] running `Command { std: "docker" "start" "-a" "847258f8b7316981a25f64ea771e2c8200e52105b82d874429554fd7c4215838", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] skipping non-2021 edition `2018`
[INFO] running `Command { std: "docker" "inspect" "847258f8b7316981a25f64ea771e2c8200e52105b82d874429554fd7c4215838", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "847258f8b7316981a25f64ea771e2c8200e52105b82d874429554fd7c4215838", kill_on_drop: false }`
[INFO] [stdout] 847258f8b7316981a25f64ea771e2c8200e52105b82d874429554fd7c4215838