[INFO] cloning repository https://github.com/iainh/pauper
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/iainh/pauper" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fiainh%2Fpauper", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fiainh%2Fpauper'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d8ea17c3d17784a7cd8560cfaac4046b5c200233
[INFO] checking iainh/pauper against master#af4a5a13a15fa0c60e06321077ef452f769b42fd for pr-122960-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fiainh%2Fpauper" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/iainh/pauper on toolchain af4a5a13a15fa0c60e06321077ef452f769b42fd
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/iainh/pauper
[INFO] finished tweaking git repo https://github.com/iainh/pauper
[INFO] tweaked toml for git repo https://github.com/iainh/pauper written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/iainh/pauper 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" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded matches v0.1.6
[INFO] [stderr]   Downloaded percent-encoding v1.0.0
[INFO] [stderr]   Downloaded yansi v0.3.0
[INFO] [stderr]   Downloaded version_check v0.1.3
[INFO] [stderr]   Downloaded rocket_codegen v0.3.0
[INFO] [stderr]   Downloaded url v1.5.1
[INFO] [stderr]   Downloaded rocket v0.3.0
[INFO] [stderr]   Downloaded httparse v1.2.3
[INFO] [stderr]   Downloaded ansi_term v0.9.0
[INFO] [stderr]   Downloaded coco v0.1.1
[INFO] [stderr]   Downloaded libc v0.2.28
[INFO] [stderr]   Downloaded bitflags v0.9.1
[INFO] [stderr]   Downloaded atty v0.2.2
[INFO] [stderr]   Downloaded unicode-normalization v0.1.5
[INFO] [stderr]   Downloaded strsim v0.6.0
[INFO] [stderr]   Downloaded textwrap v0.6.0
[INFO] [stderr]   Downloaded unicode-segmentation v1.1.0
[INFO] [stderr]   Downloaded unicode-width v0.1.4
[INFO] [stderr]   Downloaded vec_map v0.8.0
[INFO] [stderr]   Downloaded clap v2.25.1
[INFO] [stderr]   Downloaded safemem v0.2.0
[INFO] [stderr]   Downloaded base64 v0.6.0
[INFO] [stderr]   Downloaded gcc v0.3.51
[INFO] [stderr]   Downloaded either v1.1.0
[INFO] [stderr]   Downloaded futures v0.1.14
[INFO] [stderr]   Downloaded lazy_static v0.2.8
[INFO] [stderr]   Downloaded rand v0.3.15
[INFO] [stderr]   Downloaded rayon-core v1.2.1
[INFO] [stderr]   Downloaded rayon v0.7.1
[INFO] [stderr]   Downloaded cookie v0.9.1
[INFO] [stderr]   Downloaded byteorder v1.1.0
[INFO] [stderr]   Downloaded base64 v0.5.2
[INFO] [stderr]   Downloaded time v0.1.38
[INFO] [stderr]   Downloaded term_size v0.3.0
[INFO] [stderr]   Downloaded scopeguard v0.3.2
[INFO] [stderr]   Downloaded untrusted v0.5.0
[INFO] [stderr]   Downloaded pear v0.0.10
[INFO] [stderr]   Downloaded pear_codegen v0.0.10
[INFO] [stderr]   Downloaded smallvec v0.4.1
[INFO] [stderr]   Downloaded state v0.3.1
[INFO] [stderr]   Downloaded ring v0.11.0
[INFO] [stderr]   Downloaded toml v0.4.2
[INFO] [stderr]   Downloaded redox_syscall v0.1.27
[INFO] [stderr]   Downloaded mime v0.2.6
[INFO] [stderr]   Downloaded traitobject v0.1.0
[INFO] [stderr]   Downloaded typeable v0.1.2
[INFO] [stderr]   Downloaded unicase v1.4.2
[INFO] [stderr]   Downloaded hyper v0.10.12
[INFO] [stderr]   Downloaded isatty v0.1.3
[INFO] [stderr]   Downloaded memchr v1.0.1
[INFO] [stderr]   Downloaded num_cpus v1.6.2
[INFO] [stderr]   Downloaded ordermap v0.2.10
[INFO] [stderr]   Downloaded serde v1.0.10
[INFO] [stderr]   Downloaded idna v0.1.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 374940728ebd5f22edfb64cefc06fbed164c1a3525f47685ed77ea9766ac6bb5
[INFO] running `Command { std: "docker" "start" "-a" "374940728ebd5f22edfb64cefc06fbed164c1a3525f47685ed77ea9766ac6bb5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "374940728ebd5f22edfb64cefc06fbed164c1a3525f47685ed77ea9766ac6bb5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "374940728ebd5f22edfb64cefc06fbed164c1a3525f47685ed77ea9766ac6bb5", kill_on_drop: false }`
[INFO] [stdout] 374940728ebd5f22edfb64cefc06fbed164c1a3525f47685ed77ea9766ac6bb5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d703ab253eb1d42fdf049b8a8362981e4e672cc1e6647899f575d58e7b2502a5
[INFO] running `Command { std: "docker" "start" "-a" "d703ab253eb1d42fdf049b8a8362981e4e672cc1e6647899f575d58e7b2502a5", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.28
[INFO] [stderr]    Compiling version_check v0.1.3
[INFO] [stderr]    Compiling either v1.1.0
[INFO] [stderr]    Compiling scopeguard v0.3.2
[INFO] [stderr]    Compiling rayon-core v1.2.1
[INFO] [stderr]    Compiling futures v0.1.14
[INFO] [stderr]    Compiling lazy_static v0.2.8
[INFO] [stderr]    Compiling gcc v0.3.51
[INFO] [stderr]    Compiling yansi v0.3.0
[INFO] [stderr]    Compiling matches v0.1.6
[INFO] [stderr]    Compiling byteorder v1.1.0
[INFO] [stderr]    Compiling unicode-normalization v0.1.5
[INFO] [stderr]    Compiling percent-encoding v1.0.0
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/yansi-0.3.0/src/lib.rs:1:40
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![cfg_attr(feature="nightly", feature(const_fn))]
[INFO] [stdout]   |                                        ^^^^^^^^ feature has been removed
[INFO] [stdout]   |
[INFO] [stdout]   = note: split into finer-grained feature gates
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling unicode-bidi v0.3.4
[INFO] [stderr]    Compiling coco v0.1.1
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0557`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `yansi` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "d703ab253eb1d42fdf049b8a8362981e4e672cc1e6647899f575d58e7b2502a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d703ab253eb1d42fdf049b8a8362981e4e672cc1e6647899f575d58e7b2502a5", kill_on_drop: false }`
[INFO] [stdout] d703ab253eb1d42fdf049b8a8362981e4e672cc1e6647899f575d58e7b2502a5