[INFO] cloning repository https://github.com/B0ud/rust-top
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/B0ud/rust-top" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FB0ud%2Frust-top", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FB0ud%2Frust-top'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8eb0ab53ec946c5a331c04f2df3d3da2edbf4b2b
[INFO] checking B0ud/rust-top against try#b4c55082edd8dec08ce8af276d7054d9c4db20c4 for pr-147984
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FB0ud%2Frust-top" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/B0ud/rust-top
[INFO] finished tweaking git repo https://github.com/B0ud/rust-top
[INFO] tweaked toml for git repo https://github.com/B0ud/rust-top written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/B0ud/rust-top on toolchain b4c55082edd8dec08ce8af276d7054d9c4db20c4
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b4c55082edd8dec08ce8af276d7054d9c4db20c4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/B0ud/rust-top 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" "+b4c55082edd8dec08ce8af276d7054d9c4db20c4" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+b4c55082edd8dec08ce8af276d7054d9c4db20c4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7f10ca5d113c0b240120504678992506056ffaf80e10955506a6d0cbc2acfde4
[INFO] running `Command { std: "docker" "start" "-a" "7f10ca5d113c0b240120504678992506056ffaf80e10955506a6d0cbc2acfde4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7f10ca5d113c0b240120504678992506056ffaf80e10955506a6d0cbc2acfde4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7f10ca5d113c0b240120504678992506056ffaf80e10955506a6d0cbc2acfde4", kill_on_drop: false }`
[INFO] [stdout] 7f10ca5d113c0b240120504678992506056ffaf80e10955506a6d0cbc2acfde4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+b4c55082edd8dec08ce8af276d7054d9c4db20c4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9b9bbe58609e723af95ace721a31c2d89055ddb753aa3f060945344559a42e7e
[INFO] running `Command { std: "docker" "start" "-a" "9b9bbe58609e723af95ace721a31c2d89055ddb753aa3f060945344559a42e7e", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-ident v1.0.7
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling futures-util v0.3.26
[INFO] [stderr]     Checking futures-sink v0.3.26
[INFO] [stderr]     Checking http v0.2.9
[INFO] [stderr]    Compiling crossbeam-utils v0.8.15
[INFO] [stderr]    Compiling rustversion v1.0.11
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking mio v0.8.6
[INFO] [stderr]     Checking tracing-core v0.1.30
[INFO] [stderr]     Checking getrandom v0.2.8
[INFO] [stderr]     Checking block-buffer v0.10.3
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.14
[INFO] [stderr]     Checking memoffset v0.8.0
[INFO] [stderr]     Checking unicode-bidi v0.3.10
[INFO] [stderr]    Compiling rayon-core v1.11.0
[INFO] [stderr]     Checking futures-channel v0.3.26
[INFO] [stderr]    Compiling async-trait v0.1.65
[INFO] [stderr]     Checking httpdate v1.0.2
[INFO] [stderr]    Compiling proc-macro2 v1.0.51
[INFO] [stderr]     Checking digest v0.10.6
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]    Compiling serde_json v1.0.93
[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] 
[INFO] [stderr]     Checking sha1 v0.10.5
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking try-lock v0.2.4
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]     Checking http-range-header v0.3.0
[INFO] [stderr]     Checking either v1.8.1
[INFO] [stderr]     Checking tracing v0.1.37
[INFO] [stderr]     Checking tracing-log v0.1.3
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking sharded-slab v0.1.4
[INFO] [stderr]     Checking regex v1.7.1
[INFO] [stderr]     Checking thread_local v1.1.7
[INFO] [stderr]     Checking idna v0.3.0
[INFO] [stderr]     Checking matchit v0.7.0
[INFO] [stderr]     Checking base64 v0.21.0
[INFO] [stderr]     Checking crossbeam-channel v0.5.7
[INFO] [stderr]     Checking http-body v0.4.5
[INFO] [stderr]     Checking headers-core v0.2.0
[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" "9b9bbe58609e723af95ace721a31c2d89055ddb753aa3f060945344559a42e7e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b9bbe58609e723af95ace721a31c2d89055ddb753aa3f060945344559a42e7e", kill_on_drop: false }`
[INFO] [stdout] 9b9bbe58609e723af95ace721a31c2d89055ddb753aa3f060945344559a42e7e
