[INFO] cloning repository https://github.com/luizribeiro/docknix
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/luizribeiro/docknix" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fluizribeiro%2Fdocknix", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fluizribeiro%2Fdocknix'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8a9a3df7b43f88350b5a78c72560e56f600356e2
[INFO] checking luizribeiro/docknix against try#45b14c26f76a39a9945ef8518d3276f1bc880008 for pr-113242
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fluizribeiro%2Fdocknix" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/luizribeiro/docknix on toolchain 45b14c26f76a39a9945ef8518d3276f1bc880008
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+45b14c26f76a39a9945ef8518d3276f1bc880008" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/luizribeiro/docknix
[INFO] finished tweaking git repo https://github.com/luizribeiro/docknix
[INFO] tweaked toml for git repo https://github.com/luizribeiro/docknix written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/luizribeiro/docknix 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" "+45b14c26f76a39a9945ef8518d3276f1bc880008" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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:a420fdec406141845121210faa381f8029b0be6d4170deff7c4445a424f67918" "/opt/rustwide/cargo-home/bin/cargo" "+45b14c26f76a39a9945ef8518d3276f1bc880008" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 930fbfe200039b4a924203e6bd3a0cc64308b4377cdd1e1cd027fe69c817e960
[INFO] running `Command { std: "docker" "start" "-a" "930fbfe200039b4a924203e6bd3a0cc64308b4377cdd1e1cd027fe69c817e960", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "930fbfe200039b4a924203e6bd3a0cc64308b4377cdd1e1cd027fe69c817e960", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "930fbfe200039b4a924203e6bd3a0cc64308b4377cdd1e1cd027fe69c817e960", kill_on_drop: false }`
[INFO] [stdout] 930fbfe200039b4a924203e6bd3a0cc64308b4377cdd1e1cd027fe69c817e960
[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:a420fdec406141845121210faa381f8029b0be6d4170deff7c4445a424f67918" "/opt/rustwide/cargo-home/bin/cargo" "+45b14c26f76a39a9945ef8518d3276f1bc880008" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 63b89457b94761922eb2920eaa2e4e5ba2f9b5fc10b103fd2a787fe3392c14ba
[INFO] running `Command { std: "docker" "start" "-a" "63b89457b94761922eb2920eaa2e4e5ba2f9b5fc10b103fd2a787fe3392c14ba", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.49
[INFO] [stderr]    Compiling syn v1.0.107
[INFO] [stderr]    Compiling tokio v1.22.0
[INFO] [stderr]     Checking parking_lot_core v0.9.3
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking mio v0.8.4
[INFO] [stderr]     Checking socket2 v0.4.4
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]     Checking tracing v0.1.35
[INFO] [stderr]     Checking openssl-sys v0.9.74
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]    Compiling serde_json v1.0.88
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling io-lifetimes v1.0.4
[INFO] [stderr]     Checking regex v1.7.1
[INFO] [stderr]     Checking crypto-common v0.1.4
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking getrandom v0.2.7
[INFO] [stderr]    Compiling unicode-segmentation v1.9.0
[INFO] [stderr]     Checking rle-decode-fast v1.0.3
[INFO] [stderr]    Compiling rustix v0.36.6
[INFO] [stderr]     Checking libflate_lz77 v1.1.0
[INFO] [stderr]     Checking digest v0.10.3
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking filetime v0.2.17
[INFO] [stderr]     Checking xattr v0.2.3
[INFO] [stderr]     Checking text-size v1.1.0
[INFO] [stderr]    Compiling erased-serde v0.3.24
[INFO] [stderr]    Compiling async-trait v0.1.58
[INFO] [stderr]     Checking hashbrown v0.9.1
[INFO] [stderr]     Checking rustc-hash v1.1.0
[INFO] [stderr]     Checking is_ci v1.1.1
[INFO] [stderr]     Checking smawk v0.3.1
[INFO] [stderr]     Checking countme v2.0.4
[INFO] [stderr]     Checking adler32 v1.2.0
[INFO] [stderr]     Checking sha2 v0.10.2
[INFO] [stderr]     Checking supports-color v1.3.0
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking backtrace v0.3.65
[INFO] [stderr]     Checking tar v0.4.38
[INFO] [stderr]     Checking libflate v1.2.0
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]     Checking cbitset v0.2.0
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/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] 
[INFO] [stderr]     Checking supports-unicode v1.0.2
[INFO] [stderr]     Checking supports-hyperlinks v1.2.0
[INFO] [stderr]     Checking terminal_size v0.1.17
[INFO] [stderr]     Checking strum v0.23.0
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking owo-colors v3.4.0
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking colored v2.0.0
[INFO] [stderr]     Checking similar v2.1.0
[INFO] [stderr]     Checking walkdir v2.3.2
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[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 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "63b89457b94761922eb2920eaa2e4e5ba2f9b5fc10b103fd2a787fe3392c14ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "63b89457b94761922eb2920eaa2e4e5ba2f9b5fc10b103fd2a787fe3392c14ba", kill_on_drop: false }`
[INFO] [stdout] 63b89457b94761922eb2920eaa2e4e5ba2f9b5fc10b103fd2a787fe3392c14ba