[INFO] cloning repository https://github.com/trevorplant/blueberry
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/trevorplant/blueberry" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftrevorplant%2Fblueberry", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftrevorplant%2Fblueberry'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d19719d2e4e729456c7a05ff88b76a92a45fb1d8
[INFO] checking trevorplant/blueberry against master#e1613686e0efc80a1a18b1263625450a8de3fb04 for pr-154492-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftrevorplant%2Fblueberry" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-5-tc1/source/.cargo/config
[INFO] started tweaking git repo https://github.com/trevorplant/blueberry
[INFO] finished tweaking git repo https://github.com/trevorplant/blueberry
[INFO] tweaked toml for git repo https://github.com/trevorplant/blueberry written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/trevorplant/blueberry on toolchain e1613686e0efc80a1a18b1263625450a8de3fb04
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e1613686e0efc80a1a18b1263625450a8de3fb04" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/trevorplant/blueberry 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" "+e1613686e0efc80a1a18b1263625450a8de3fb04" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded errno v0.2.8
[INFO] [stderr]   Downloaded font8x8 v0.2.7
[INFO] [stderr]   Downloaded memmap v0.7.0
[INFO] [stderr]   Downloaded tint v1.0.1
[INFO] [stderr]   Downloaded gcc v0.3.55
[INFO] [stderr]   Downloaded i2cdev v0.4.4
[INFO] [stderr]   Downloaded framebuffer v0.2.2
[INFO] [stderr]   Downloaded measurements v0.10.4
[INFO] [stderr]   Downloaded sensehat v1.1.0
[INFO] [stderr]   Downloaded sensehat-screen v0.2.6
[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" "+e1613686e0efc80a1a18b1263625450a8de3fb04" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6fceacd42f12deef1e22d8b93c05ec9c8b5589a7fab68c8db81b0a1f1a8ca563
[INFO] running `Command { std: "docker" "start" "-a" "6fceacd42f12deef1e22d8b93c05ec9c8b5589a7fab68c8db81b0a1f1a8ca563", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6fceacd42f12deef1e22d8b93c05ec9c8b5589a7fab68c8db81b0a1f1a8ca563", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6fceacd42f12deef1e22d8b93c05ec9c8b5589a7fab68c8db81b0a1f1a8ca563", kill_on_drop: false }`
[INFO] [stdout] 6fceacd42f12deef1e22d8b93c05ec9c8b5589a7fab68c8db81b0a1f1a8ca563
[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" "+e1613686e0efc80a1a18b1263625450a8de3fb04" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2d7ee1d3b72b663b942abcb710e4f1ccf76f9aeb1f746e64a308e107b2393b83
[INFO] running `Command { std: "docker" "start" "-a" "2d7ee1d3b72b663b942abcb710e4f1ccf76f9aeb1f746e64a308e107b2393b83", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]    Compiling proc-macro2 v1.0.49
[INFO] [stderr]    Compiling unicode-ident v1.0.6
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling quote v1.0.23
[INFO] [stderr]    Compiling syn v1.0.107
[INFO] [stderr]    Compiling serde v1.0.152
[INFO] [stderr]    Compiling serde_derive v1.0.152
[INFO] [stderr]    Compiling nix v0.14.1
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]    Compiling gcc v0.3.55
[INFO] [stderr]     Checking font8x8 v0.2.7
[INFO] [stderr]     Checking lazy_static v0.2.11
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking measurements v0.10.4
[INFO] [stderr]     Checking tint v1.0.1
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.49/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 rustc_version v0.2.3
[INFO] [stderr]    Compiling sensehat v1.1.0
[INFO] [stderr]    Compiling sensehat-screen v0.2.6
[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" "2d7ee1d3b72b663b942abcb710e4f1ccf76f9aeb1f746e64a308e107b2393b83", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d7ee1d3b72b663b942abcb710e4f1ccf76f9aeb1f746e64a308e107b2393b83", kill_on_drop: false }`
[INFO] [stdout] 2d7ee1d3b72b663b942abcb710e4f1ccf76f9aeb1f746e64a308e107b2393b83
