[INFO] fetching crate backup-pinboard 0.0.5...
[INFO] checking backup-pinboard-0.0.5 against master#6162f6f12339aa81fe16b8a64644ead497e411b2 for pr-113240
[INFO] extracting crate backup-pinboard 0.0.5 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate backup-pinboard 0.0.5 on toolchain 6162f6f12339aa81fe16b8a64644ead497e411b2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6162f6f12339aa81fe16b8a64644ead497e411b2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate backup-pinboard 0.0.5
[INFO] finished tweaking crates.io crate backup-pinboard 0.0.5
[INFO] tweaked toml for crates.io crate backup-pinboard 0.0.5 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate crates.io crate backup-pinboard 0.0.5 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" "+6162f6f12339aa81fe16b8a64644ead497e411b2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded quote v0.6.13
[INFO] [stderr]   Downloaded utf-8 v0.7.6
[INFO] [stderr]   Downloaded unicode-xid v0.1.0
[INFO] [stderr]   Downloaded bytes v1.3.0
[INFO] [stderr]   Downloaded string_cache_codegen v0.4.4
[INFO] [stderr]   Downloaded new_debug_unreachable v1.0.4
[INFO] [stderr]   Downloaded is-terminal v0.4.2
[INFO] [stderr]   Downloaded precomputed-hash v0.1.1
[INFO] [stderr]   Downloaded phf_codegen v0.7.24
[INFO] [stderr]   Downloaded rand_xorshift v0.1.1
[INFO] [stderr]   Downloaded regex v1.7.0
[INFO] [stderr]   Downloaded mac v0.1.1
[INFO] [stderr]   Downloaded cookie_store v0.16.1
[INFO] [stderr]   Downloaded futures-io v0.3.25
[INFO] [stderr]   Downloaded futures-macro v0.3.25
[INFO] [stderr]   Downloaded futures-core v0.3.25
[INFO] [stderr]   Downloaded futf v0.1.5
[INFO] [stderr]   Downloaded anyhow v1.0.68
[INFO] [stderr]   Downloaded proc-macro2 v0.4.30
[INFO] [stderr]   Downloaded reqwest v0.11.13
[INFO] [stderr]   Downloaded windows_i686_msvc v0.42.0
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[INFO] [stderr]   Downloaded clap_lex v0.3.0
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[INFO] [stderr]   Downloaded encoding_rs v0.8.31
[INFO] [stderr]   Downloaded windows_aarch64_msvc v0.42.0
[INFO] [stderr]   Downloaded tokio v1.24.1
[INFO] [stderr]   Downloaded syn v0.15.44
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[INFO] [stderr]   Downloaded windows_aarch64_gnullvm v0.42.0
[INFO] [stderr]   Downloaded windows_x86_64_gnullvm v0.42.0
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[INFO] [stderr]   Downloaded serde_json v1.0.91
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[INFO] [stderr]   Downloaded parking_lot_core v0.9.5
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[INFO] [stderr]   Downloaded string_cache v0.7.5
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[INFO] [stderr]   Downloaded string_cache_shared v0.3.0
[INFO] [stderr]   Downloaded soup v0.5.1
[INFO] [stderr]   Downloaded proc-macro2 v1.0.49
[INFO] [stderr]   Downloaded tendril v0.4.3
[INFO] [stderr]   Downloaded futures-executor v0.3.25
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:a420fdec406141845121210faa381f8029b0be6d4170deff7c4445a424f67918" "/opt/rustwide/cargo-home/bin/cargo" "+6162f6f12339aa81fe16b8a64644ead497e411b2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] effa130da580ca68dd31a9d558c1429de42caa105dc0c25f19b2c14e71d71387
[INFO] running `Command { std: "docker" "start" "-a" "effa130da580ca68dd31a9d558c1429de42caa105dc0c25f19b2c14e71d71387", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "effa130da580ca68dd31a9d558c1429de42caa105dc0c25f19b2c14e71d71387", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "effa130da580ca68dd31a9d558c1429de42caa105dc0c25f19b2c14e71d71387", kill_on_drop: false }`
[INFO] [stdout] effa130da580ca68dd31a9d558c1429de42caa105dc0c25f19b2c14e71d71387
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:a420fdec406141845121210faa381f8029b0be6d4170deff7c4445a424f67918" "/opt/rustwide/cargo-home/bin/cargo" "+6162f6f12339aa81fe16b8a64644ead497e411b2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5f96d1c7f8d718788b79a55ab282959da6d85b97b448fe34ebf90621800b00bc
[INFO] running `Command { std: "docker" "start" "-a" "5f96d1c7f8d718788b79a55ab282959da6d85b97b448fe34ebf90621800b00bc", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.49
[INFO] [stderr]    Compiling quote v1.0.23
[INFO] [stderr]    Compiling unicode-ident v1.0.6
[INFO] [stderr]    Compiling syn v1.0.107
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]    Compiling autocfg v0.1.8
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]     Checking memchr v2.5.0
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling serde_derive v1.0.152
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/proc-macro2-1.0.49/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] [stdout] error: aborting due to 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" "5f96d1c7f8d718788b79a55ab282959da6d85b97b448fe34ebf90621800b00bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f96d1c7f8d718788b79a55ab282959da6d85b97b448fe34ebf90621800b00bc", kill_on_drop: false }`
[INFO] [stdout] 5f96d1c7f8d718788b79a55ab282959da6d85b97b448fe34ebf90621800b00bc