[INFO] fetching crate iso9660 0.1.1...
[INFO] checking iso9660-0.1.1 against master#c2f2db79ca3024f68d22b45aa22b570775c2c4ad for pr-124157
[INFO] extracting crate iso9660 0.1.1 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate iso9660 0.1.1 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 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-3-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" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bitflags v2.0.2
[INFO] [stderr]   Downloaded fuser v0.12.0
[INFO] [stderr]   Downloaded users v0.11.0
[INFO] [stderr]   Downloaded zerocopy v0.6.1
[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-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 1806bca86a51a6cb2edb22dd0a59f6107e8fda468631b4699bb65baf8bdb8545
[INFO] running `Command { std: "docker" "start" "-a" "1806bca86a51a6cb2edb22dd0a59f6107e8fda468631b4699bb65baf8bdb8545", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1806bca86a51a6cb2edb22dd0a59f6107e8fda468631b4699bb65baf8bdb8545", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1806bca86a51a6cb2edb22dd0a59f6107e8fda468631b4699bb65baf8bdb8545", kill_on_drop: false }`
[INFO] [stdout] 1806bca86a51a6cb2edb22dd0a59f6107e8fda468631b4699bb65baf8bdb8545
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 6e6decacd8e6a1db60b25a73e37860b6f66abeeed5167a1e56cedd70496db86e
[INFO] running `Command { std: "docker" "start" "-a" "6e6decacd8e6a1db60b25a73e37860b6f66abeeed5167a1e56cedd70496db86e", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.55
[INFO] [stderr]    Compiling quote v1.0.26
[INFO] [stderr]    Compiling unicode-ident v1.0.8
[INFO] [stderr]    Compiling libc v0.2.140
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling pkg-config v0.3.26
[INFO] [stderr]     Checking minimal-lexical v0.2.1
[INFO] [stderr]     Checking time-core v0.1.0
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking nom v7.1.3
[INFO] [stderr]     Checking time v0.3.20
[INFO] [stderr]     Checking smallvec v1.10.0
[INFO] [stderr]     Checking bitflags v2.0.2
[INFO] [stderr]     Checking md5 v0.7.0
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/proc-macro2-1.0.55/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] [stderr]    Compiling fuser v0.12.0
[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] 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" "6e6decacd8e6a1db60b25a73e37860b6f66abeeed5167a1e56cedd70496db86e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e6decacd8e6a1db60b25a73e37860b6f66abeeed5167a1e56cedd70496db86e", kill_on_drop: false }`
[INFO] [stdout] 6e6decacd8e6a1db60b25a73e37860b6f66abeeed5167a1e56cedd70496db86e
[INFO] checking iso9660-0.1.1 against try#9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88 for pr-124157
[INFO] extracting crate iso9660 0.1.1 into /workspace/builds/worker-3-tc2/source
[INFO] validating manifest of crates.io crate iso9660 0.1.1 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 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-3-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" "+9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] a8dbd71f14c5b86d68a6bbc8270d4efce4f6cf18037329f752cae3c33d3876c3
[INFO] running `Command { std: "docker" "start" "-a" "a8dbd71f14c5b86d68a6bbc8270d4efce4f6cf18037329f752cae3c33d3876c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a8dbd71f14c5b86d68a6bbc8270d4efce4f6cf18037329f752cae3c33d3876c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a8dbd71f14c5b86d68a6bbc8270d4efce4f6cf18037329f752cae3c33d3876c3", kill_on_drop: false }`
[INFO] [stdout] a8dbd71f14c5b86d68a6bbc8270d4efce4f6cf18037329f752cae3c33d3876c3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 76e66e562cdc4596e426ef569e7a71a212d75b50676713a020a11b0667707686
[INFO] running `Command { std: "docker" "start" "-a" "76e66e562cdc4596e426ef569e7a71a212d75b50676713a020a11b0667707686", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.55
[INFO] [stderr]    Compiling quote v1.0.26
[INFO] [stderr]    Compiling unicode-ident v1.0.8
[INFO] [stderr]    Compiling libc v0.2.140
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling pkg-config v0.3.26
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking minimal-lexical v0.2.1
[INFO] [stderr]     Checking time-core v0.1.0
[INFO] [stderr]     Checking time v0.3.20
[INFO] [stderr]     Checking nom v7.1.3
[INFO] [stderr]     Checking smallvec v1.10.0
[INFO] [stderr]     Checking bitflags v2.0.2
[INFO] [stderr]     Checking md5 v0.7.0
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/proc-macro2-1.0.55/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] [stderr]    Compiling fuser v0.12.0
[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] 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" "76e66e562cdc4596e426ef569e7a71a212d75b50676713a020a11b0667707686", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "76e66e562cdc4596e426ef569e7a71a212d75b50676713a020a11b0667707686", kill_on_drop: false }`
[INFO] [stdout] 76e66e562cdc4596e426ef569e7a71a212d75b50676713a020a11b0667707686
