[INFO] fetching crate send-to-kindle 1.0.1...
[INFO] checking send-to-kindle-1.0.1 against master#cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c for pr-143170
[INFO] extracting crate send-to-kindle 1.0.1 into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate send-to-kindle 1.0.1
[INFO] finished tweaking crates.io crate send-to-kindle 1.0.1
[INFO] tweaked toml for crates.io crate send-to-kindle 1.0.1 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate send-to-kindle 1.0.1 on toolchain cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate send-to-kindle 1.0.1 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" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded stringmatch v0.4.0
[INFO] [stderr]   Downloaded mozversion v0.5.0
[INFO] [stderr]   Downloaded thirtyfour-macros v0.1.1
[INFO] [stderr]   Downloaded unix_str v1.0.0
[INFO] [stderr]   Downloaded marionette v0.2.0
[INFO] [stderr]   Downloaded rust-ini v0.10.3
[INFO] [stderr]   Downloaded mozrunner v0.15.0
[INFO] [stderr]   Downloaded clap_lex v0.3.1
[INFO] [stderr]   Downloaded unix_path v1.0.1
[INFO] [stderr]   Downloaded clap_derive v4.1.0
[INFO] [stderr]   Downloaded fantoccini v0.19.3
[INFO] [stderr]   Downloaded webdriver v0.47.0
[INFO] [stderr]   Downloaded plist v1.3.1
[INFO] [stderr]   Downloaded webdriver v0.46.0
[INFO] [stderr]   Downloaded geckodriver v0.32.0
[INFO] [stderr]   Downloaded thirtyfour v0.31.0
[INFO] [stderr]   Downloaded mozdevice v0.5.0
[INFO] [stderr]   Downloaded mozprofile v0.9.0
[INFO] [stderr]   Downloaded clap v4.1.0
[INFO] [stderr]   Downloaded rustix v0.36.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1195e767571c894680a2398354b7e5e383bead2a86e96fce8311fce87f9c4b91
[INFO] running `Command { std: "docker" "start" "-a" "1195e767571c894680a2398354b7e5e383bead2a86e96fce8311fce87f9c4b91", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1195e767571c894680a2398354b7e5e383bead2a86e96fce8311fce87f9c4b91", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1195e767571c894680a2398354b7e5e383bead2a86e96fce8311fce87f9c4b91", kill_on_drop: false }`
[INFO] [stdout] 1195e767571c894680a2398354b7e5e383bead2a86e96fce8311fce87f9c4b91
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9c50ad21bcbc5ab8c3cf38e405b18ce07e672e255c66178f80cc17560a82ee1d
[INFO] running `Command { std: "docker" "start" "-a" "9c50ad21bcbc5ab8c3cf38e405b18ce07e672e255c66178f80cc17560a82ee1d", kill_on_drop: false }`
[INFO] [stderr] warning: send-to-kindle v1.0.1 (/opt/rustwide/workdir) ignoring invalid dependency `geckodriver` which is missing a lib target
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.49
[INFO] [stderr]    Compiling unicode-ident v1.0.6
[INFO] [stderr]    Compiling quote v1.0.23
[INFO] [stderr]    Compiling syn v1.0.107
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]     Checking once_cell v1.17.0
[INFO] [stderr]     Checking pin-project-lite v0.2.9
[INFO] [stderr]    Compiling futures-core v0.3.25
[INFO] [stderr]    Compiling parking_lot_core v0.9.6
[INFO] [stderr]     Checking itoa v1.0.5
[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 lock_api v0.4.9
[INFO] [stderr]    Compiling cc v1.0.78
[INFO] [stderr]     Checking bytes v1.3.0
[INFO] [stderr]    Compiling slab v0.4.7
[INFO] [stderr]    Compiling futures-channel v0.3.25
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking smallvec v1.10.0
[INFO] [stderr]     Checking futures-sink v0.3.25
[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" "9c50ad21bcbc5ab8c3cf38e405b18ce07e672e255c66178f80cc17560a82ee1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9c50ad21bcbc5ab8c3cf38e405b18ce07e672e255c66178f80cc17560a82ee1d", kill_on_drop: false }`
[INFO] [stdout] 9c50ad21bcbc5ab8c3cf38e405b18ce07e672e255c66178f80cc17560a82ee1d