[INFO] cloning repository https://github.com/nater540/mushroom
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nater540/mushroom" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnater540%2Fmushroom", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnater540%2Fmushroom'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a3cfd5f340abd678552c9bd3ebbd3e6c0dcd621c
[INFO] checking nater540/mushroom against try#5e7498e6740d105521420ac0ab146e2c7a21596d for pr-138363
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnater540%2Fmushroom" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/nater540/mushroom on toolchain 5e7498e6740d105521420ac0ab146e2c7a21596d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5e7498e6740d105521420ac0ab146e2c7a21596d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/nater540/mushroom
[INFO] finished tweaking git repo https://github.com/nater540/mushroom
[INFO] tweaked toml for git repo https://github.com/nater540/mushroom written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/nater540/mushroom 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" "+5e7498e6740d105521420ac0ab146e2c7a21596d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pest_generator v2.5.6
[INFO] [stderr]   Downloaded pest_meta v2.5.6
[INFO] [stderr]   Downloaded pest_derive v2.5.6
[INFO] [stderr]   Downloaded thiserror v1.0.39
[INFO] [stderr]   Downloaded migrations_internals v2.0.0
[INFO] [stderr]   Downloaded serde_derive v1.0.155
[INFO] [stderr]   Downloaded zstd-safe v6.0.4+zstd.1.5.4
[INFO] [stderr]   Downloaded migrations_macros v2.0.0
[INFO] [stderr]   Downloaded scheduled-thread-pool v0.2.7
[INFO] [stderr]   Downloaded futures-task v0.3.27
[INFO] [stderr]   Downloaded async-trait v0.1.66
[INFO] [stderr]   Downloaded unicode-bidi v0.3.11
[INFO] [stderr]   Downloaded arc-swap v1.6.0
[INFO] [stderr]   Downloaded libm v0.2.6
[INFO] [stderr]   Downloaded pest v2.5.6
[INFO] [stderr]   Downloaded mediatype v0.19.13
[INFO] [stderr]   Downloaded actix-web-lab v0.19.1
[INFO] [stderr]   Downloaded diesel_derives v2.0.2
[INFO] [stderr]   Downloaded futures-util v0.3.27
[INFO] [stderr]   Downloaded uuid v1.3.0
[INFO] [stderr]   Downloaded ignore v0.4.20
[INFO] [stderr]   Downloaded serde v1.0.155
[INFO] [stderr]   Downloaded diesel_migrations v2.0.0
[INFO] [stderr]   Downloaded uncased v0.9.7
[INFO] [stderr]   Downloaded thiserror-impl v1.0.39
[INFO] [stderr]   Downloaded actix-web-lab-derive v0.19.0
[INFO] [stderr]   Downloaded impl-more v0.1.5
[INFO] [stderr]   Downloaded futures-sink v0.3.27
[INFO] [stderr]   Downloaded diesel v2.0.3
[INFO] [stderr]   Downloaded bstr v1.3.0
[INFO] [stderr]   Downloaded futures-core v0.3.27
[INFO] [stderr]   Downloaded serde_html_form v0.2.0
[INFO] [stderr]   Downloaded tera v1.18.0
[INFO] [stderr]   Downloaded quote v1.0.24
[INFO] [stderr]   Downloaded tokio v1.26.0
[INFO] [stderr]   Downloaded zstd-sys v2.0.7+zstd.1.5.4
[INFO] [stderr]   Downloaded libsqlite3-sys v0.25.2
[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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+5e7498e6740d105521420ac0ab146e2c7a21596d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8c6d3724115a27074a7c7e54a65ecc3522b1b58949e119beae00affdb3abdb86
[INFO] running `Command { std: "docker" "start" "-a" "8c6d3724115a27074a7c7e54a65ecc3522b1b58949e119beae00affdb3abdb86", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8c6d3724115a27074a7c7e54a65ecc3522b1b58949e119beae00affdb3abdb86", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8c6d3724115a27074a7c7e54a65ecc3522b1b58949e119beae00affdb3abdb86", kill_on_drop: false }`
[INFO] [stdout] 8c6d3724115a27074a7c7e54a65ecc3522b1b58949e119beae00affdb3abdb86
[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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+5e7498e6740d105521420ac0ab146e2c7a21596d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cbfb9bae8a08ec3128ef6969189e5d2a5b41523d8a554e281c96827c54111267
[INFO] running `Command { std: "docker" "start" "-a" "cbfb9bae8a08ec3128ef6969189e5d2a5b41523d8a554e281c96827c54111267", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.52
[INFO] [stderr]    Compiling quote v1.0.24
[INFO] [stderr]    Compiling libc v0.2.140
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling serde_derive v1.0.155
[INFO] [stderr]    Compiling serde v1.0.155
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling uncased v0.9.7
[INFO] [stderr]    Compiling futures-core v0.3.27
[INFO] [stderr]     Checking memchr v2.5.0
[INFO] [stderr]     Checking tracing-core v0.1.30
[INFO] [stderr]    Compiling regex-syntax v0.6.28
[INFO] [stderr]    Compiling tokio v1.26.0
[INFO] [stderr]    Compiling typenum v1.16.0
[INFO] [stderr]    Compiling generic-array v0.14.6
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling futures-task v0.3.27
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling ppv-lite86 v0.2.17
[INFO] [stderr]    Compiling aho-corasick v0.7.20
[INFO] [stderr]    Compiling siphasher v0.3.10
[INFO] [stderr]    Compiling futures-util v0.3.27
[INFO] [stderr]    Compiling thiserror v1.0.39
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.52/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]    Compiling indexmap v1.9.2
[INFO] [stderr]    Compiling phf_shared v0.10.0
[INFO] [stdout] For more information about this error, try `rustc --explain E0635`.
[INFO] [stdout] 
[INFO] [stderr]     Checking futures-sink v0.3.27
[INFO] [stderr]    Compiling paste v1.0.12
[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" "cbfb9bae8a08ec3128ef6969189e5d2a5b41523d8a554e281c96827c54111267", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cbfb9bae8a08ec3128ef6969189e5d2a5b41523d8a554e281c96827c54111267", kill_on_drop: false }`
[INFO] [stdout] cbfb9bae8a08ec3128ef6969189e5d2a5b41523d8a554e281c96827c54111267