[INFO] cloning repository https://github.com/DJMadShade/rust-example
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/DJMadShade/rust-example" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDJMadShade%2Frust-example", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDJMadShade%2Frust-example'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c4c048af348df5d6a7daefffca393967ce312461
[INFO] checking DJMadShade/rust-example against master#8c52f735abd1af9a73941b78fe7ed2ab08b9c0dd for pr-150557
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDJMadShade%2Frust-example" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
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[INFO] started tweaking git repo https://github.com/DJMadShade/rust-example
[INFO] finished tweaking git repo https://github.com/DJMadShade/rust-example
[INFO] tweaked toml for git repo https://github.com/DJMadShade/rust-example written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/DJMadShade/rust-example on toolchain 8c52f735abd1af9a73941b78fe7ed2ab08b9c0dd
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8c52f735abd1af9a73941b78fe7ed2ab08b9c0dd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/DJMadShade/rust-example 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" "+8c52f735abd1af9a73941b78fe7ed2ab08b9c0dd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded yaserde_derive v0.7.1
[INFO] [stderr]   Downloaded yaserde v0.7.1
[INFO] [stderr]   Downloaded cxxbridge-flags v1.0.78
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+8c52f735abd1af9a73941b78fe7ed2ab08b9c0dd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b34fc61213f0a08b02a3103639f3483659fc4a74c74c023d5b9793d7431c4ca7
[INFO] running `Command { std: "docker" "start" "-a" "b34fc61213f0a08b02a3103639f3483659fc4a74c74c023d5b9793d7431c4ca7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b34fc61213f0a08b02a3103639f3483659fc4a74c74c023d5b9793d7431c4ca7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b34fc61213f0a08b02a3103639f3483659fc4a74c74c023d5b9793d7431c4ca7", kill_on_drop: false }`
[INFO] [stdout] b34fc61213f0a08b02a3103639f3483659fc4a74c74c023d5b9793d7431c4ca7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+8c52f735abd1af9a73941b78fe7ed2ab08b9c0dd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0ad149f9583edd5718b9cd6f0ba0739d624d57dca882f6a3cdd952a60b084fa3
[INFO] running `Command { std: "docker" "start" "-a" "0ad149f9583edd5718b9cd6f0ba0739d624d57dca882f6a3cdd952a60b084fa3", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.46
[INFO] [stderr]    Compiling libm v0.2.5
[INFO] [stderr]    Compiling syn v1.0.102
[INFO] [stderr]    Compiling serde v1.0.145
[INFO] [stderr]    Compiling crossbeam-utils v0.8.12
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.11
[INFO] [stderr]    Compiling serde_json v1.0.86
[INFO] [stderr]    Compiling rayon-core v1.9.3
[INFO] [stderr]     Checking aho-corasick v0.7.19
[INFO] [stderr]     Checking getrandom v0.2.7
[INFO] [stderr]    Compiling anyhow v1.0.65
[INFO] [stderr]    Compiling lexical-core v0.7.6
[INFO] [stderr]    Compiling walkdir v2.3.2
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]    Compiling num-iter v0.1.43
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]    Compiling paste v1.0.9
[INFO] [stderr]    Compiling either v1.8.0
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]     Checking matrixmultiply v0.3.2
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]    Compiling rust-embed-utils v5.1.0
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking terminal_size v0.1.17
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]    Compiling rayon v1.5.3
[INFO] [stderr]     Checking linked-hash-map v0.5.6
[INFO] [stderr]     Checking regex v1.6.0
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]     Checking serde v0.8.23
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking tempfile v3.3.0
[INFO] [stderr]     Checking miniz_oxide v0.5.4
[INFO] [stderr]     Checking yaml-rust v0.4.5
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.46/src/lib.rs:92:30
[INFO] [stdout]    |
[INFO] [stdout] 92 |     feature(proc_macro_span, proc_macro_span_shrink)
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: there is a feature with a similar name: `proc_macro_span_file`
[INFO] [stdout]    |
[INFO] [stdout] 92 -     feature(proc_macro_span, proc_macro_span_shrink)
[INFO] [stdout] 92 +     feature(proc_macro_span, proc_macro_span_file)
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking crossbeam-channel v0.5.6
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking zeroize v1.5.7
[INFO] [stderr]     Checking rust-ini v0.13.0
[INFO] [stderr]     Checking itoa v0.4.8
[INFO] [stderr]     Checking num-traits v0.2.15
[INFO] [stderr]     Checking twofloat v0.4.1
[INFO] [stderr]     Checking xml-rs v0.8.4
[INFO] [stderr]     Checking crossbeam-deque v0.8.2
[INFO] [stderr]     Checking nom v1.2.4
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking flate2 v1.0.24
[INFO] [stdout] For more information about this error, try `rustc --explain E0635`.
[INFO] [stdout] 
[INFO] [stderr]     Checking rand_pcg v0.3.1
[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" "0ad149f9583edd5718b9cd6f0ba0739d624d57dca882f6a3cdd952a60b084fa3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0ad149f9583edd5718b9cd6f0ba0739d624d57dca882f6a3cdd952a60b084fa3", kill_on_drop: false }`
[INFO] [stdout] 0ad149f9583edd5718b9cd6f0ba0739d624d57dca882f6a3cdd952a60b084fa3
