[INFO] cloning repository https://github.com/ogenev/axle
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ogenev/axle" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fogenev%2Faxle", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fogenev%2Faxle'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9d1b8e919127ff24640410f9de4e30bf52266f64
[INFO] testing ogenev/axle against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-7
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fogenev%2Faxle" "/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/ogenev/axle
[INFO] finished tweaking git repo https://github.com/ogenev/axle
[INFO] tweaked toml for git repo https://github.com/ogenev/axle written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/ogenev/axle on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/ogenev/axle 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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "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]  Downloading crates ...
[INFO] [stderr]   Downloaded futures-macro v0.3.25
[INFO] [stderr]   Downloaded tar v0.4.38
[INFO] [stderr]   Downloaded hyperlocal v0.8.0
[INFO] [stderr]   Downloaded filetime v0.2.18
[INFO] [stderr]   Downloaded xattr v0.2.3
[INFO] [stderr]   Downloaded bollard-stubs v1.42.0-rc.3
[INFO] [stderr]   Downloaded bollard v0.13.0
[INFO] [stderr]   Downloaded hyper v0.14.20
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ac3d1643926fdc9eddbf394de34d2aac50471c423d3964375cd9428857186539
[INFO] running `Command { std: "docker" "start" "-a" "ac3d1643926fdc9eddbf394de34d2aac50471c423d3964375cd9428857186539", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ac3d1643926fdc9eddbf394de34d2aac50471c423d3964375cd9428857186539", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac3d1643926fdc9eddbf394de34d2aac50471c423d3964375cd9428857186539", kill_on_drop: false }`
[INFO] [stdout] ac3d1643926fdc9eddbf394de34d2aac50471c423d3964375cd9428857186539
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 39d6dcc0f6c35ec86f618bfc6a9b297431e7117ecb2644fc1421ca16a4a703b3
[INFO] running `Command { std: "docker" "start" "-a" "39d6dcc0f6c35ec86f618bfc6a9b297431e7117ecb2644fc1421ca16a4a703b3", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.103
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling smallvec v1.10.0
[INFO] [stderr]    Compiling once_cell v1.16.0
[INFO] [stderr]    Compiling bytes v1.2.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.47
[INFO] [stderr]    Compiling libc v0.2.137
[INFO] [stderr]    Compiling tokio v1.21.2
[INFO] [stderr]    Compiling serde_derive v1.0.147
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling futures-task v0.3.25
[INFO] [stderr]    Compiling serde v1.0.147
[INFO] [stderr]    Compiling indexmap v1.9.1
[INFO] [stderr]    Compiling futures-util v0.3.25
[INFO] [stderr]    Compiling tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling futures-channel v0.3.25
[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 futures-sink v0.3.25
[INFO] [stderr]    Compiling regex-syntax v0.6.27
[INFO] [stderr]    Compiling httparse v1.8.0
[INFO] [stderr]    Compiling tinyvec v1.6.0
[INFO] [stderr]    Compiling tracing-core v0.1.30
[INFO] [stderr]    Compiling percent-encoding v2.2.0
[INFO] [stderr]    Compiling try-lock v0.2.3
[INFO] [stderr]    Compiling aho-corasick v0.7.19
[INFO] [stderr]    Compiling serde_json v1.0.87
[INFO] [stderr]    Compiling tower-service v0.3.2
[INFO] [stderr]    Compiling want v0.3.0
[INFO] [stderr]    Compiling anyhow v1.0.66
[INFO] [stderr]    Compiling unicode-bidi v0.3.8
[INFO] [stderr]    Compiling ryu v1.0.11
[INFO] [stderr]    Compiling http v0.2.8
[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" "39d6dcc0f6c35ec86f618bfc6a9b297431e7117ecb2644fc1421ca16a4a703b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "39d6dcc0f6c35ec86f618bfc6a9b297431e7117ecb2644fc1421ca16a4a703b3", kill_on_drop: false }`
[INFO] [stdout] 39d6dcc0f6c35ec86f618bfc6a9b297431e7117ecb2644fc1421ca16a4a703b3