[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 try#ddcf048784667508cd676fef4667f88ae15628a3 for pr-148271
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDJMadShade%2Frust-example" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
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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-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/DJMadShade/rust-example on toolchain ddcf048784667508cd676fef4667f88ae15628a3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ddcf048784667508cd676fef4667f88ae15628a3" "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" "+ddcf048784667508cd676fef4667f88ae15628a3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ddcf048784667508cd676fef4667f88ae15628a3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e1b929bfd4d0a0c569fd2b851aa217c5afc241f300c5aa1f36e689311b18b297
[INFO] running `Command { std: "docker" "start" "-a" "e1b929bfd4d0a0c569fd2b851aa217c5afc241f300c5aa1f36e689311b18b297", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e1b929bfd4d0a0c569fd2b851aa217c5afc241f300c5aa1f36e689311b18b297", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e1b929bfd4d0a0c569fd2b851aa217c5afc241f300c5aa1f36e689311b18b297", kill_on_drop: false }`
[INFO] [stdout] e1b929bfd4d0a0c569fd2b851aa217c5afc241f300c5aa1f36e689311b18b297
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ddcf048784667508cd676fef4667f88ae15628a3" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a12915af81db590b282a2edcb1b6c5541ddb15d5b1a114d6d3d89bdd15cf41ba
[INFO] running `Command { std: "docker" "start" "-a" "a12915af81db590b282a2edcb1b6c5541ddb15d5b1a114d6d3d89bdd15cf41ba", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.46
[INFO] [stderr]    Compiling libm v0.2.5
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling syn v1.0.102
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling serde_derive v1.0.145
[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 lexical-core v0.7.6
[INFO] [stderr]     Checking getrandom v0.2.7
[INFO] [stderr]    Compiling serde_json v1.0.86
[INFO] [stderr]    Compiling anyhow v1.0.65
[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]    Compiling paste v1.0.9
[INFO] [stderr]    Compiling either v1.8.0
[INFO] [stderr]     Checking itoa v1.0.4
[INFO] [stderr]    Compiling itertools v0.9.0
[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 num_cpus v1.13.1
[INFO] [stderr]     Checking terminal_size v0.1.17
[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] 
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]    Compiling unicode-segmentation v1.10.0
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]     Checking serde v0.8.23
[INFO] [stderr]     Checking tempfile v3.3.0
[INFO] [stderr]     Checking yaml-rust v0.4.5
[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" "a12915af81db590b282a2edcb1b6c5541ddb15d5b1a114d6d3d89bdd15cf41ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a12915af81db590b282a2edcb1b6c5541ddb15d5b1a114d6d3d89bdd15cf41ba", kill_on_drop: false }`
[INFO] [stdout] a12915af81db590b282a2edcb1b6c5541ddb15d5b1a114d6d3d89bdd15cf41ba
