[INFO] cloning repository https://github.com/maxjeffos/rs_axum_echo_server
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/maxjeffos/rs_axum_echo_server" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmaxjeffos%2Frs_axum_echo_server", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmaxjeffos%2Frs_axum_echo_server'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] fe748d44e73ebe087095c72efbbd5fad5944268d
[INFO] checking maxjeffos/rs_axum_echo_server against try#22cc29ba5b459fb386c0406b9baf3a49eb0fba39 for pr-146095
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmaxjeffos%2Frs_axum_echo_server" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/maxjeffos/rs_axum_echo_server
[INFO] finished tweaking git repo https://github.com/maxjeffos/rs_axum_echo_server
[INFO] tweaked toml for git repo https://github.com/maxjeffos/rs_axum_echo_server written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/maxjeffos/rs_axum_echo_server on toolchain 22cc29ba5b459fb386c0406b9baf3a49eb0fba39
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22cc29ba5b459fb386c0406b9baf3a49eb0fba39" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/maxjeffos/rs_axum_echo_server 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" "+22cc29ba5b459fb386c0406b9baf3a49eb0fba39" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded axum-core v0.2.9
[INFO] [stderr]   Downloaded axum v0.5.17
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+22cc29ba5b459fb386c0406b9baf3a49eb0fba39" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ad187273afe7ccfedf4ba2eb33a9725c44f7e7bf95956e1769fb70a0aa3668d9
[INFO] running `Command { std: "docker" "start" "-a" "ad187273afe7ccfedf4ba2eb33a9725c44f7e7bf95956e1769fb70a0aa3668d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ad187273afe7ccfedf4ba2eb33a9725c44f7e7bf95956e1769fb70a0aa3668d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad187273afe7ccfedf4ba2eb33a9725c44f7e7bf95956e1769fb70a0aa3668d9", kill_on_drop: false }`
[INFO] [stdout] ad187273afe7ccfedf4ba2eb33a9725c44f7e7bf95956e1769fb70a0aa3668d9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+22cc29ba5b459fb386c0406b9baf3a49eb0fba39" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 56bf12c6edbb9159073d63fb46871e5f5ff90490d11e362ebc69920093a875fc
[INFO] running `Command { std: "docker" "start" "-a" "56bf12c6edbb9159073d63fb46871e5f5ff90490d11e362ebc69920093a875fc", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.47
[INFO] [stderr]    Compiling unicode-ident v1.0.5
[INFO] [stderr]    Compiling syn v1.0.103
[INFO] [stderr]    Compiling libc v0.2.137
[INFO] [stderr]    Compiling futures-core v0.3.25
[INFO] [stderr]     Checking once_cell v1.16.0
[INFO] [stderr]    Compiling parking_lot_core v0.9.4
[INFO] [stderr]    Compiling futures-task v0.3.25
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling futures-util v0.3.25
[INFO] [stderr]    Compiling tokio v1.21.2
[INFO] [stderr]     Checking http v0.2.8
[INFO] [stderr]    Compiling serde v1.0.147
[INFO] [stderr]    Compiling futures-channel v0.3.25
[INFO] [stderr]    Compiling async-trait v0.1.58
[INFO] [stderr]     Checking percent-encoding v2.2.0
[INFO] [stderr]     Checking tracing-core v0.1.30
[INFO] [stderr]    Compiling serde_json v1.0.87
[INFO] [stderr]    Compiling serde_derive v1.0.147
[INFO] [stderr]     Checking form_urlencoded v1.1.0
[INFO] [stderr]     Checking http-range-header v0.3.0
[INFO] [stderr]     Checking sharded-slab v0.1.4
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking thread_local v1.1.4
[INFO] [stderr]     Checking matchit v0.5.0
[INFO] [stderr]     Checking tracing-log v0.1.3
[INFO] [stderr]     Checking sync_wrapper v0.1.1
[INFO] [stderr]     Checking tracing-subscriber v0.3.16
[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] help: there is a feature with a similar name: `proc_macro_span_file`
[INFO] [stdout]    |
[INFO] [stdout] 92 -     feature(proc_macro_span, proc_macro_span_shrink)
[INFO] [stdout] 92 +     feature(proc_macro_span, proc_macro_span_file)
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking http-body v0.4.5
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking num_cpus v1.14.0
[INFO] [stderr]     Checking socket2 v0.4.7
[INFO] [stderr]     Checking mio v0.8.5
[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" "56bf12c6edbb9159073d63fb46871e5f5ff90490d11e362ebc69920093a875fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "56bf12c6edbb9159073d63fb46871e5f5ff90490d11e362ebc69920093a875fc", kill_on_drop: false }`
[INFO] [stdout] 56bf12c6edbb9159073d63fb46871e5f5ff90490d11e362ebc69920093a875fc