[INFO] cloning repository https://github.com/tyahha/actix-gcd
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tyahha/actix-gcd" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftyahha%2Factix-gcd", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftyahha%2Factix-gcd'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b9465e28f0337ae17e15fba7b86a710b52535d1d
[INFO] checking tyahha/actix-gcd against try#012cd62c9add58ab3910e44c137d87db3ab70f61 for pr-155915
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftyahha%2Factix-gcd" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/tyahha/actix-gcd
[INFO] finished tweaking git repo https://github.com/tyahha/actix-gcd
[INFO] tweaked toml for git repo https://github.com/tyahha/actix-gcd written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/tyahha/actix-gcd on toolchain 012cd62c9add58ab3910e44c137d87db3ab70f61
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/tyahha/actix-gcd 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" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6c4a85e08389ee5705452a7a48c53bd1fe448bf39c646beda4fc1a328b6cf176
[INFO] running `Command { std: "docker" "start" "-a" "6c4a85e08389ee5705452a7a48c53bd1fe448bf39c646beda4fc1a328b6cf176", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6c4a85e08389ee5705452a7a48c53bd1fe448bf39c646beda4fc1a328b6cf176", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c4a85e08389ee5705452a7a48c53bd1fe448bf39c646beda4fc1a328b6cf176", kill_on_drop: false }`
[INFO] [stdout] 6c4a85e08389ee5705452a7a48c53bd1fe448bf39c646beda4fc1a328b6cf176
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c65123b73522d559f73de5a02c42fc1a60e7d94be17853af6eef269470270a98
[INFO] running `Command { std: "docker" "start" "-a" "c65123b73522d559f73de5a02c42fc1a60e7d94be17853af6eef269470270a98", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.142
[INFO] [stderr]     Checking futures v0.1.31
[INFO] [stderr]    Compiling slab v0.4.8
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling proc-macro2 v1.0.56
[INFO] [stderr]    Compiling unicode-ident v1.0.8
[INFO] [stderr]    Compiling quote v1.0.26
[INFO] [stderr]    Compiling autocfg v0.1.8
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]     Checking lock_api v0.3.4
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]    Compiling cc v1.0.79
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling parking_lot_core v0.6.3
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]     Checking unicode-normalization v0.1.22
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]     Checking unicode-bidi v0.3.13
[INFO] [stderr]    Compiling regex-syntax v0.7.1
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]     Checking gimli v0.27.2
[INFO] [stderr]    Compiling serde_derive v1.0.160
[INFO] [stderr]    Compiling unicode-xid v0.2.4
[INFO] [stderr]    Compiling proc-macro-hack v0.5.20+deprecated
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling aho-corasick v1.0.1
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.56/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 miniz_oxide v0.6.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking object v0.30.3
[INFO] [stderr]     Checking rustc-demangle v0.1.23
[INFO] [stderr]     Checking matches v0.1.10
[INFO] [stderr]     Checking itoa v0.4.8
[INFO] [stderr]    Compiling serde v1.0.160
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking num_cpus v1.15.0
[INFO] [stderr]     Checking net2 v0.2.38
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking threadpool v1.8.1
[INFO] [stderr]     Checking mio v0.6.23
[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" "c65123b73522d559f73de5a02c42fc1a60e7d94be17853af6eef269470270a98", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c65123b73522d559f73de5a02c42fc1a60e7d94be17853af6eef269470270a98", kill_on_drop: false }`
[INFO] [stdout] c65123b73522d559f73de5a02c42fc1a60e7d94be17853af6eef269470270a98
