[INFO] cloning repository https://github.com/dimfeld/ergo
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dimfeld/ergo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdimfeld%2Fergo", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdimfeld%2Fergo'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] af4aacc4daba37b577824b0a8a4bbbfabd20c8ed
[INFO] checking dimfeld/ergo against master#506512391b1a75ae450d36c9420978402a91abcc for pr-125384
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdimfeld%2Fergo" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dimfeld/ergo on toolchain 506512391b1a75ae450d36c9420978402a91abcc
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-5-tc1/source/.cargo/config.toml
[INFO] started tweaking git repo https://github.com/dimfeld/ergo
[INFO] finished tweaking git repo https://github.com/dimfeld/ergo
[INFO] tweaked toml for git repo https://github.com/dimfeld/ergo written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/dimfeld/ergo 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" "+506512391b1a75ae450d36c9420978402a91abcc" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Updating git repository `https://github.com/dimfeld/schemars`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded deadpool v0.7.0
[INFO] [stderr]   Downloaded serde_path_to_error v0.1.5
[INFO] [stderr]   Downloaded serde-wasm-bindgen v0.3.1
[INFO] [stderr]   Downloaded serde_qs v0.7.2
[INFO] [stderr]   Downloaded wiremock v0.5.7
[INFO] [stderr]   Downloaded fastrand v1.4.1
[INFO] [stderr]   Downloaded config v0.10.1
[INFO] [stderr]   Downloaded openssl-sys v0.9.79
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[INFO] [stderr]   Downloaded deno_fetch v0.103.0
[INFO] [stderr]   Downloaded nom v4.1.1
[INFO] [stderr]   Downloaded deadpool v0.8.2
[INFO] [stderr]   Downloaded actix-files v0.6.2
[INFO] [stderr]   Downloaded rsa v0.7.0-pre
[INFO] [stderr]   Downloaded trust-dns-proto v0.22.0
[INFO] [stderr]   Downloaded deno_tls v0.67.0
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[INFO] [stderr]   Downloaded structopt-derive v0.4.16
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[INFO] [stderr]   Downloaded const_format v0.2.14
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[INFO] [stderr]   Downloaded argon2 v0.2.1
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[INFO] [stderr]   Downloaded async-stream v0.3.2
[INFO] [stderr]   Downloaded clru v0.5.0
[INFO] [stderr]   Downloaded serde-hjson v0.9.1
[INFO] [stderr]   Downloaded config v0.11.0
[INFO] [stderr]   Downloaded deno_crypto v0.94.0
[INFO] [stderr]   Downloaded deadpool-redis v0.9.0
[INFO] [stderr]   Downloaded deno_console v0.80.0
[INFO] [stderr]   Downloaded aead v0.5.1
[INFO] [stderr]   Downloaded deno_core v0.162.0
[INFO] [stderr]   Downloaded universal-hash v0.5.0
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[INFO] [stderr]   Downloaded deno_webidl v0.80.0
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[INFO] [stderr]   Downloaded redis v0.21.2
[INFO] [stderr]   Downloaded fraction v0.8.0
[INFO] [stderr]   Downloaded num-cmp v0.1.0
[INFO] [stderr]   Downloaded structopt v0.3.23
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[INFO] [stderr]   Downloaded openssl v0.10.44
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[INFO] [stderr]   Downloaded rust-ini v0.13.0
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[INFO] [stderr]   Downloaded ipconfig v0.3.1
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[INFO] [stderr]   Downloaded v8 v0.58.0
[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:beeedbb442662e57d416641ecc3200b38e573c25b057896194468d05594dd835" "/opt/rustwide/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 12bd6743e934f5047805ffd10625a3d08dec27374ddb26fa1181ab0eab8523a4
[INFO] running `Command { std: "docker" "start" "-a" "12bd6743e934f5047805ffd10625a3d08dec27374ddb26fa1181ab0eab8523a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "12bd6743e934f5047805ffd10625a3d08dec27374ddb26fa1181ab0eab8523a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "12bd6743e934f5047805ffd10625a3d08dec27374ddb26fa1181ab0eab8523a4", kill_on_drop: false }`
[INFO] [stdout] 12bd6743e934f5047805ffd10625a3d08dec27374ddb26fa1181ab0eab8523a4
[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=allow" "-e" "RUSTDOCFLAGS=--cap-lints=allow" "-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:beeedbb442662e57d416641ecc3200b38e573c25b057896194468d05594dd835" "/opt/rustwide/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a3ed976c590c9589e34aeac8f3ac9d7469aaa7b526c88c8f132a27a3e5f477bd
[INFO] running `Command { std: "docker" "start" "-a" "a3ed976c590c9589e34aeac8f3ac9d7469aaa7b526c88c8f132a27a3e5f477bd", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling syn v1.0.105
[INFO] [stderr]    Compiling serde_derive v1.0.144
[INFO] [stderr]    Compiling serde v1.0.144
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling futures-core v0.3.25
[INFO] [stderr]    Compiling parking_lot_core v0.9.5
[INFO] [stderr]    Compiling once_cell v1.14.0
[INFO] [stderr]    Compiling generic-array v0.14.6
[INFO] [stderr]    Compiling tokio v1.21.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.47
[INFO] [stderr]    Compiling futures-channel v0.3.25
[INFO] [stderr]    Compiling futures-util v0.3.25
[INFO] [stderr]    Compiling indexmap v1.9.2
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/proc-macro2-1.0.47/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 spin v0.5.2
[INFO] [stderr]    Compiling serde_json v1.0.85
[INFO] [stderr]    Compiling pin-project-lite v0.2.9
[INFO] [stderr]    Compiling bytes v1.2.1
[INFO] [stderr]    Compiling smallvec v1.10.0
[INFO] [stderr]     Checking futures-sink v0.3.25
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling libm v0.2.6
[INFO] [stderr]     Checking futures-io v0.3.25
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling lock_api v0.4.9
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stdout] error: aborting due to 1 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" "a3ed976c590c9589e34aeac8f3ac9d7469aaa7b526c88c8f132a27a3e5f477bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a3ed976c590c9589e34aeac8f3ac9d7469aaa7b526c88c8f132a27a3e5f477bd", kill_on_drop: false }`
[INFO] [stdout] a3ed976c590c9589e34aeac8f3ac9d7469aaa7b526c88c8f132a27a3e5f477bd