[INFO] fetching crate extended-isolation-forest 0.2.3...
[INFO] checking extended-isolation-forest-0.2.3 against try#998b6603a58e47f42ccce7a67943234e96b6839e for pr-143170
[INFO] extracting crate extended-isolation-forest 0.2.3 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate extended-isolation-forest 0.2.3
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate extended-isolation-forest 0.2.3
[INFO] tweaked toml for crates.io crate extended-isolation-forest 0.2.3 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate extended-isolation-forest 0.2.3 on toolchain 998b6603a58e47f42ccce7a67943234e96b6839e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate extended-isolation-forest 0.2.3 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" "+998b6603a58e47f42ccce7a67943234e96b6839e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] baccf9d3a616e41aed0dc885a81efa7b85cb12c94b5f72a66b81a5266a6e707f
[INFO] running `Command { std: "docker" "start" "-a" "baccf9d3a616e41aed0dc885a81efa7b85cb12c94b5f72a66b81a5266a6e707f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "baccf9d3a616e41aed0dc885a81efa7b85cb12c94b5f72a66b81a5266a6e707f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "baccf9d3a616e41aed0dc885a81efa7b85cb12c94b5f72a66b81a5266a6e707f", kill_on_drop: false }`
[INFO] [stdout] baccf9d3a616e41aed0dc885a81efa7b85cb12c94b5f72a66b81a5266a6e707f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 33b225369d5267953c18921505b0de2b925d008a7086f64050ca74205e8dbda2
[INFO] running `Command { std: "docker" "start" "-a" "33b225369d5267953c18921505b0de2b925d008a7086f64050ca74205e8dbda2", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.137
[INFO] [stderr]    Compiling syn v1.0.104
[INFO] [stderr]    Compiling libm v0.2.6
[INFO] [stderr]    Compiling ucd-trie v0.1.5
[INFO] [stderr]    Compiling cc v1.0.77
[INFO] [stderr]    Compiling serde v1.0.148
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling thiserror v1.0.37
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling num-rational v0.4.1
[INFO] [stderr]    Compiling yeslogic-fontconfig-sys v3.2.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.47
[INFO] [stderr]     Checking flate2 v1.0.25
[INFO] [stderr]     Checking libloading v0.7.4
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking once_cell v1.16.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking plotters-backend v0.3.4
[INFO] [stderr]     Checking jpeg-decoder v0.3.0
[INFO] [stderr]     Checking bytemuck v1.12.3
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.47/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]     Checking weezl v0.1.7
[INFO] [stderr]     Checking dlib v0.5.0
[INFO] [stderr]     Checking const-cstr v0.3.0
[INFO] [stderr]    Compiling font-kit v0.11.0
[INFO] [stderr]     Checking walkdir v2.3.2
[INFO] [stderr]     Checking png v0.17.7
[INFO] [stderr]     Checking float-ord v0.2.0
[INFO] [stderr]    Compiling eyre v0.6.8
[INFO] [stderr]     Checking iana-time-zone v0.1.53
[INFO] [stderr]    Compiling serde_json v1.0.89
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]     Checking indenter v0.3.3
[INFO] [stdout] For more information about this error, try `rustc --explain E0635`.
[INFO] [stdout] 
[INFO] [stderr]     Checking plotters-svg v0.3.3
[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" "33b225369d5267953c18921505b0de2b925d008a7086f64050ca74205e8dbda2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "33b225369d5267953c18921505b0de2b925d008a7086f64050ca74205e8dbda2", kill_on_drop: false }`
[INFO] [stdout] 33b225369d5267953c18921505b0de2b925d008a7086f64050ca74205e8dbda2