[INFO] cloning repository https://github.com/Among-Suss/mimicri
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Among-Suss/mimicri" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAmong-Suss%2Fmimicri", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAmong-Suss%2Fmimicri'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e01545a5d126c0be910c1c49aba272da2cad1cfa
[INFO] checking Among-Suss/mimicri against master#8f21a5c92ea55c348c275a1bc4fedbdf181e0d64 for pr-143011
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAmong-Suss%2Fmimicri" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Among-Suss/mimicri
[INFO] finished tweaking git repo https://github.com/Among-Suss/mimicri
[INFO] tweaked toml for git repo https://github.com/Among-Suss/mimicri written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Among-Suss/mimicri on toolchain 8f21a5c92ea55c348c275a1bc4fedbdf181e0d64
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8f21a5c92ea55c348c275a1bc4fedbdf181e0d64" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Among-Suss/mimicri 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" "+8f21a5c92ea55c348c275a1bc4fedbdf181e0d64" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded thiserror-impl v1.0.36
[INFO] [stderr]   Downloaded vergen v7.4.2
[INFO] [stderr]   Downloaded tracing-serde v0.1.3
[INFO] [stderr]   Downloaded getset v0.1.2
[INFO] [stderr]   Downloaded futures-executor v0.3.24
[INFO] [stderr]   Downloaded ctor v0.1.23
[INFO] [stderr]   Downloaded gloo-timers v0.2.4
[INFO] [stderr]   Downloaded async-global-executor v2.3.0
[INFO] [stderr]   Downloaded polling v2.3.0
[INFO] [stderr]   Downloaded async-io v1.9.0
[INFO] [stderr]   Downloaded poise_macros v0.4.0
[INFO] [stderr]   Downloaded syn v1.0.100
[INFO] [stderr]   Downloaded hyper v0.14.20
[INFO] [stderr]   Downloaded songbird v0.3.2
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[INFO] [stderr]   Downloaded h2 v0.3.14
[INFO] [stderr]   Downloaded poise v0.4.1
[INFO] [stderr]   Downloaded futures-util v0.3.24
[INFO] [stderr]   Downloaded libc v0.2.133
[INFO] [stderr]   Downloaded rusqlite v0.28.0
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[INFO] [stderr]   Downloaded pnet_macros v0.28.0
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[INFO] [stderr]   Downloaded audiopus v0.3.0-rc.0
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[INFO] [stderr]   Downloaded audiopus_sys v0.2.2
[INFO] [stderr]   Downloaded proc-macro2 v1.0.44
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[INFO] [stderr]   Downloaded windows v0.32.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8f21a5c92ea55c348c275a1bc4fedbdf181e0d64" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3aa36ac5fd01fe916895d6858695c79db39e8d1dd15c2f6ec5606ad40b653a7b
[INFO] running `Command { std: "docker" "start" "-a" "3aa36ac5fd01fe916895d6858695c79db39e8d1dd15c2f6ec5606ad40b653a7b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3aa36ac5fd01fe916895d6858695c79db39e8d1dd15c2f6ec5606ad40b653a7b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3aa36ac5fd01fe916895d6858695c79db39e8d1dd15c2f6ec5606ad40b653a7b", kill_on_drop: false }`
[INFO] [stdout] 3aa36ac5fd01fe916895d6858695c79db39e8d1dd15c2f6ec5606ad40b653a7b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8f21a5c92ea55c348c275a1bc4fedbdf181e0d64" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7fb9f05380878f1e2a5a8e13228a17490d1c785770946d0ca4fa3b6b849dc041
[INFO] running `Command { std: "docker" "start" "-a" "7fb9f05380878f1e2a5a8e13228a17490d1c785770946d0ca4fa3b6b849dc041", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.44
[INFO] [stderr]    Compiling libc v0.2.133
[INFO] [stderr]    Compiling syn v1.0.100
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling futures-core v0.3.24
[INFO] [stderr]     Checking pin-project-lite v0.2.9
[INFO] [stderr]    Compiling serde v1.0.145
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling value-bag v1.0.0-alpha.9
[INFO] [stderr]    Compiling slab v0.4.7
[INFO] [stderr]     Checking futures-io v0.3.24
[INFO] [stderr]    Compiling pkg-config v0.3.25
[INFO] [stderr]     Checking smallvec v1.9.0
[INFO] [stderr]    Compiling typenum v1.15.0
[INFO] [stderr]    Compiling lock_api v0.4.9
[INFO] [stderr]    Compiling generic-array v0.14.6
[INFO] [stderr]     Checking itoa v1.0.3
[INFO] [stderr]     Checking futures-sink v0.3.24
[INFO] [stderr]    Compiling ahash v0.7.6
[INFO] [stderr]    Compiling futures-task v0.3.24
[INFO] [stderr]    Compiling futures-channel v0.3.24
[INFO] [stderr]     Checking tracing-core v0.1.30
[INFO] [stderr]    Compiling futures-util v0.3.24
[INFO] [stderr]     Checking bytes v1.2.1
[INFO] [stderr]     Checking spin v0.5.2
[INFO] [stderr]     Checking untrusted v0.7.1
[INFO] [stderr]    Compiling tokio v1.21.1
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]    Compiling thiserror v1.0.36
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.44/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 crossbeam-utils v0.8.11
[INFO] [stderr]     Checking http v0.2.8
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]    Compiling httparse v1.8.0
[INFO] [stderr]    Compiling rustls v0.20.6
[INFO] [stderr]     Checking tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling rustversion v1.0.9
[INFO] [stderr]     Checking tinyvec v1.6.0
[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" "7fb9f05380878f1e2a5a8e13228a17490d1c785770946d0ca4fa3b6b849dc041", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7fb9f05380878f1e2a5a8e13228a17490d1c785770946d0ca4fa3b6b849dc041", kill_on_drop: false }`
[INFO] [stdout] 7fb9f05380878f1e2a5a8e13228a17490d1c785770946d0ca4fa3b6b849dc041
