[INFO] cloning repository https://github.com/0xcrust/falcon
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/0xcrust/falcon" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F0xcrust%2Ffalcon", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F0xcrust%2Ffalcon'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 22efbfa2fd7b9115bec31ac5e4e8aee62944ae71
[INFO] checking 0xcrust/falcon against master#d5419f1e97b90741d51841f800d3c697c662567d for pr-147565
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F0xcrust%2Ffalcon" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/0xcrust/falcon
[INFO] finished tweaking git repo https://github.com/0xcrust/falcon
[INFO] tweaked toml for git repo https://github.com/0xcrust/falcon written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/0xcrust/falcon on toolchain d5419f1e97b90741d51841f800d3c697c662567d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d5419f1e97b90741d51841f800d3c697c662567d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/0xcrust/falcon 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" "+d5419f1e97b90741d51841f800d3c697c662567d" "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 unicode-ident v1.0.5
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[INFO] [stderr]   Downloaded pin-project v0.4.30
[INFO] [stderr]   Downloaded dtoa v0.4.8
[INFO] [stderr]   Downloaded futures-executor v0.3.25
[INFO] [stderr]   Downloaded serde_derive v1.0.147
[INFO] [stderr]   Downloaded parking_lot_core v0.8.5
[INFO] [stderr]   Downloaded heck v0.4.0
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[INFO] [stderr]   Downloaded thiserror-impl v1.0.37
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[INFO] [stderr]   Downloaded num_cpus v1.14.0
[INFO] [stderr]   Downloaded signal-hook-registry v1.4.0
[INFO] [stderr]   Downloaded libc v0.2.137
[INFO] [stderr]   Downloaded tokio v1.21.2
[INFO] [stderr]   Downloaded actix-testing v1.0.1
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[INFO] [stderr]   Downloaded link-cplusplus v1.0.7
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[INFO] [stderr]   Downloaded net2 v0.2.38
[INFO] [stderr]   Downloaded pin-project-internal v0.4.30
[INFO] [stderr]   Downloaded trust-dns-proto v0.20.4
[INFO] [stderr]   Downloaded pin-project v1.0.12
[INFO] [stderr]   Downloaded syn v1.0.103
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[INFO] [stderr]   Downloaded tokio-util v0.3.1
[INFO] [stderr]   Downloaded quote v1.0.21
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d5419f1e97b90741d51841f800d3c697c662567d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 87f21085c15467a66869e988a6fcd4a355baf94067e06405074f7bb83727cdaa
[INFO] running `Command { std: "docker" "start" "-a" "87f21085c15467a66869e988a6fcd4a355baf94067e06405074f7bb83727cdaa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "87f21085c15467a66869e988a6fcd4a355baf94067e06405074f7bb83727cdaa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "87f21085c15467a66869e988a6fcd4a355baf94067e06405074f7bb83727cdaa", kill_on_drop: false }`
[INFO] [stdout] 87f21085c15467a66869e988a6fcd4a355baf94067e06405074f7bb83727cdaa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d5419f1e97b90741d51841f800d3c697c662567d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 816ceab96ced95e9611c5f09e930b043c772951ff279f00e4ec5dfcb602b4c9f
[INFO] running `Command { std: "docker" "start" "-a" "816ceab96ced95e9611c5f09e930b043c772951ff279f00e4ec5dfcb602b4c9f", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.137
[INFO] [stderr]    Compiling proc-macro2 v1.0.47
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling unicode-ident v1.0.5
[INFO] [stderr]    Compiling syn v1.0.103
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling futures-core v0.3.25
[INFO] [stderr]     Checking pin-project-lite v0.2.9
[INFO] [stderr]     Checking futures-sink v0.3.25
[INFO] [stderr]     Checking smallvec v1.10.0
[INFO] [stderr]    Compiling futures-channel v0.3.25
[INFO] [stderr]    Compiling futures-task v0.3.25
[INFO] [stderr]    Compiling cc v1.0.76
[INFO] [stderr]    Compiling slab v0.4.7
[INFO] [stderr]    Compiling lock_api v0.4.9
[INFO] [stderr]    Compiling futures-util v0.3.25
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking futures-io v0.3.25
[INFO] [stderr]     Checking bytes v1.2.1
[INFO] [stderr]     Checking bytes v0.5.6
[INFO] [stderr]     Checking pin-project-lite v0.1.12
[INFO] [stderr]     Checking once_cell v1.16.0
[INFO] [stderr]     Checking tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]     Checking tinyvec v1.6.0
[INFO] [stderr]     Checking instant v0.1.12
[INFO] [stderr]    Compiling pin-project-internal v0.4.30
[INFO] [stderr]     Checking itoa v1.0.4
[INFO] [stderr]     Checking unicode-bidi v0.3.8
[INFO] [stderr]    Compiling parking_lot_core v0.9.4
[INFO] [stderr]     Checking percent-encoding v2.2.0
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]    Compiling tokio v1.21.2
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.47/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]    Compiling serde_derive v1.0.147
[INFO] [stderr]     Checking form_urlencoded v1.1.0
[INFO] [stderr]    Compiling indexmap v1.9.1
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stdout] For more information about this error, try `rustc --explain E0635`.
[INFO] [stdout] 
[INFO] [stderr]    Compiling async-trait v0.1.58
[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" "816ceab96ced95e9611c5f09e930b043c772951ff279f00e4ec5dfcb602b4c9f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "816ceab96ced95e9611c5f09e930b043c772951ff279f00e4ec5dfcb602b4c9f", kill_on_drop: false }`
[INFO] [stdout] 816ceab96ced95e9611c5f09e930b043c772951ff279f00e4ec5dfcb602b4c9f
