[INFO] cloning repository https://github.com/renato145/argmin-exploring
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/renato145/argmin-exploring" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frenato145%2Fargmin-exploring", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frenato145%2Fargmin-exploring'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d7d17ca7e40494b62dfcafe244b6d107beefc82c
[INFO] checking renato145/argmin-exploring/d7d17ca7e40494b62dfcafe244b6d107beefc82c against master#40557f6225e337d68c8d4f086557ce54135f5dd9 for pr-158447
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frenato145%2Fargmin-exploring" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/renato145/argmin-exploring
[INFO] finished tweaking git repo https://github.com/renato145/argmin-exploring
[INFO] tweaked toml for git repo https://github.com/renato145/argmin-exploring written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/renato145/argmin-exploring on toolchain 40557f6225e337d68c8d4f086557ce54135f5dd9
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+40557f6225e337d68c8d4f086557ce54135f5dd9" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/renato145/argmin-exploring 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" "+40557f6225e337d68c8d4f086557ce54135f5dd9" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded papergrid v0.7.1
[INFO] [stderr]   Downloaded tabled_derive v0.5.0
[INFO] [stderr]   Downloaded katexit v0.1.4
[INFO] [stderr]   Downloaded cauchy v0.4.0
[INFO] [stderr]   Downloaded argmin_testfunctions v0.1.1
[INFO] [stderr]   Downloaded openblas-build v0.10.5
[INFO] [stderr]   Downloaded tabled v0.10.0
[INFO] [stderr]   Downloaded lax v0.16.0
[INFO] [stderr]   Downloaded slog-json v2.6.1
[INFO] [stderr]   Downloaded argmin-math v0.3.0
[INFO] [stderr]   Downloaded ndarray-linalg v0.16.0
[INFO] [stderr]   Downloaded argmin v0.8.0
[INFO] [stderr]   Downloaded lapack-sys v0.14.0
[INFO] [stderr]   Downloaded openblas-src v0.10.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3a6becf2bc8dde7f3fa57ede90e4f284e72d296796fc446bbb1e2c7cc0530151" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] e69f8c7ecee929d478ada430ca4ddcb4f7d46e066cfb1da268757e7a5902e129
[INFO] running `Command { std: "docker" "start" "e69f8c7ecee929d478ada430ca4ddcb4f7d46e066cfb1da268757e7a5902e129", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "e69f8c7ecee929d478ada430ca4ddcb4f7d46e066cfb1da268757e7a5902e129" "/opt/rustwide/cargo-home/bin/cargo" "+40557f6225e337d68c8d4f086557ce54135f5dd9" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e69f8c7ecee929d478ada430ca4ddcb4f7d46e066cfb1da268757e7a5902e129", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "e69f8c7ecee929d478ada430ca4ddcb4f7d46e066cfb1da268757e7a5902e129" "/opt/rustwide/cargo-home/bin/cargo" "+40557f6225e337d68c8d4f086557ce54135f5dd9" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.46
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling unicode-ident v1.0.4
[INFO] [stderr]    Compiling syn v1.0.101
[INFO] [stderr]    Compiling libc v0.2.134
[INFO] [stderr]    Compiling serde_derive v1.0.145
[INFO] [stderr]    Compiling serde v1.0.145
[INFO] [stderr]    Compiling thiserror v1.0.37
[INFO] [stderr]    Compiling slog v2.7.0
[INFO] [stderr]     Checking itoa v1.0.3
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling walkdir v2.3.2
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling crossbeam-utils v0.8.12
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]     Checking approx v0.4.0
[INFO] [stderr]     Checking matrixmultiply v0.3.2
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling num-iter v0.1.43
[INFO] [stderr]     Checking once_cell v1.15.0
[INFO] [stderr]    Compiling serde_json v1.0.85
[INFO] [stderr]    Compiling anyhow v1.0.65
[INFO] [stderr]    Compiling time-macros v0.2.4
[INFO] [stderr]     Checking ryu v1.0.11
[INFO] [stderr]    Compiling slog-async v2.7.0
[INFO] [stderr]    Compiling heck v0.4.0
[INFO] [stderr]     Checking thread_local v1.1.4
[INFO] [stderr]     Checking bytecount v0.6.3
[INFO] [stderr]    Compiling paste v1.0.9
[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 papergrid v0.7.1
[INFO] [stderr]     Checking getrandom v0.2.7
[INFO] [stderr]     Checking lapack-sys v0.14.0
[INFO] [stderr]     Checking cblas-sys v0.1.4
[INFO] [stderr]     Checking dirs-sys-next v0.1.2
[INFO] [stderr]     Checking atty v0.2.14
[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" "e69f8c7ecee929d478ada430ca4ddcb4f7d46e066cfb1da268757e7a5902e129", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e69f8c7ecee929d478ada430ca4ddcb4f7d46e066cfb1da268757e7a5902e129", kill_on_drop: false }`
[INFO] [stdout] e69f8c7ecee929d478ada430ca4ddcb4f7d46e066cfb1da268757e7a5902e129
