[INFO] cloning repository https://github.com/nk0086/ProblemList
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nk0086/ProblemList" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnk0086%2FProblemList", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnk0086%2FProblemList'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0c15429f37f4594b461bdd918338d8a3b7101a98
[INFO] testing nk0086/ProblemList against master#1f7f8ea0721a3b1eb73e6c6d25cccb371434b320 for pr-154065-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnk0086%2FProblemList" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/nk0086/ProblemList
[INFO] finished tweaking git repo https://github.com/nk0086/ProblemList
[INFO] tweaked toml for git repo https://github.com/nk0086/ProblemList written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/nk0086/ProblemList on toolchain 1f7f8ea0721a3b1eb73e6c6d25cccb371434b320
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/nk0086/ProblemList 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" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded proconio-derive v0.1.9
[INFO] [stderr]   Downloaded getrandom v0.1.14
[INFO] [stderr]   Downloaded num-iter v0.1.40
[INFO] [stderr]   Downloaded rand_distr v0.2.2
[INFO] [stderr]   Downloaded itertools-num v0.1.3
[INFO] [stderr]   Downloaded text_io v0.1.8
[INFO] [stderr]   Downloaded bitset-fixed v0.1.0
[INFO] [stderr]   Downloaded proconio v0.3.6
[INFO] [stderr]   Downloaded ordered-float v1.0.2
[INFO] [stderr]   Downloaded generic-array v0.13.3
[INFO] [stderr]   Downloaded num-integer v0.1.42
[INFO] [stderr]   Downloaded ascii v1.0.0
[INFO] [stderr]   Downloaded approx v0.3.2
[INFO] [stderr]   Downloaded alga v0.9.3
[INFO] [stderr]   Downloaded ndarray v0.13.0
[INFO] [stderr]   Downloaded whiteread v0.5.0
[INFO] [stderr]   Downloaded num v0.2.1
[INFO] [stderr]   Downloaded nalgebra v0.20.0
[INFO] [stderr]   Downloaded sized-chunks v0.5.3
[INFO] [stderr]   Downloaded num-derive v0.3.0
[INFO] [stderr]   Downloaded regex v1.3.6
[INFO] [stderr]   Downloaded num-traits v0.2.11
[INFO] [stderr]   Downloaded itertools v0.8.2
[INFO] [stderr]   Downloaded petgraph v0.5.0
[INFO] [stderr]   Downloaded rand_xoshiro v0.4.0
[INFO] [stderr]   Downloaded num-complex v0.2.4
[INFO] [stderr]   Downloaded indexmap v1.3.2
[INFO] [stderr]   Downloaded permutohedron v0.2.4
[INFO] [stderr]   Downloaded matrixmultiply v0.2.4
[INFO] [stderr]   Downloaded smallvec v1.2.0
[INFO] [stderr]   Downloaded im-rc v14.3.0
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 560d0905bb18ae2fd213581d3d1b97d6c87e6fdd2890f66111656d80f8306d68
[INFO] running `Command { std: "docker" "start" "-a" "560d0905bb18ae2fd213581d3d1b97d6c87e6fdd2890f66111656d80f8306d68", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "560d0905bb18ae2fd213581d3d1b97d6c87e6fdd2890f66111656d80f8306d68", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "560d0905bb18ae2fd213581d3d1b97d6c87e6fdd2890f66111656d80f8306d68", kill_on_drop: false }`
[INFO] [stdout] 560d0905bb18ae2fd213581d3d1b97d6c87e6fdd2890f66111656d80f8306d68
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 659bd74a5716d3d71d94c16e16fcec3fe409919c19ca8b87c626c640e5e540ec
[INFO] running `Command { std: "docker" "start" "-a" "659bd74a5716d3d71d94c16e16fcec3fe409919c19ca8b87c626c640e5e540ec", kill_on_drop: false }`
[INFO] [stderr]    Compiling libm v0.2.1
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling libc v0.2.140
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling typenum v1.16.0
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.51
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling ppv-lite86 v0.2.17
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.51/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]    Compiling quote v1.0.23
[INFO] [stderr]    Compiling num-iter v0.1.40
[INFO] [stderr]    Compiling indexmap v1.3.2
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stdout] For more information about this error, try `rustc --explain E0635`.
[INFO] [stdout] 
[INFO] [stderr]    Compiling either v1.5.3
[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" "659bd74a5716d3d71d94c16e16fcec3fe409919c19ca8b87c626c640e5e540ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "659bd74a5716d3d71d94c16e16fcec3fe409919c19ca8b87c626c640e5e540ec", kill_on_drop: false }`
[INFO] [stdout] 659bd74a5716d3d71d94c16e16fcec3fe409919c19ca8b87c626c640e5e540ec
