[INFO] fetching crate launchthing 0.1.1...
[INFO] testing launchthing-0.1.1 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-7
[INFO] extracting crate launchthing 0.1.1 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate launchthing 0.1.1
[INFO] finished tweaking crates.io crate launchthing 0.1.1
[INFO] tweaked toml for crates.io crate launchthing 0.1.1 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate launchthing 0.1.1 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 crates.io crate launchthing 0.1.1 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]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pango-sys v0.17.0
[INFO] [stderr]   Downloaded serde_spanned v0.6.2
[INFO] [stderr]   Downloaded toml_datetime v0.6.2
[INFO] [stderr]   Downloaded gdk-pixbuf v0.17.0
[INFO] [stderr]   Downloaded field-offset v0.3.5
[INFO] [stderr]   Downloaded cairo-sys-rs v0.17.0
[INFO] [stderr]   Downloaded gsk4 v0.6.3
[INFO] [stderr]   Downloaded pango v0.17.4
[INFO] [stderr]   Downloaded cairo-rs v0.17.0
[INFO] [stderr]   Downloaded gdk4 v0.6.3
[INFO] [stderr]   Downloaded gtk4-sys v0.6.3
[INFO] [stderr]   Downloaded winnow v0.4.6
[INFO] [stderr]   Downloaded glib-sys v0.17.4
[INFO] [stderr]   Downloaded serde v1.0.163
[INFO] [stderr]   Downloaded gdk4-sys v0.6.3
[INFO] [stderr]   Downloaded gio v0.17.9
[INFO] [stderr]   Downloaded syn v2.0.18
[INFO] [stderr]   Downloaded glib v0.17.9
[INFO] [stderr]   Downloaded gio-sys v0.17.4
[INFO] [stderr]   Downloaded glib-macros v0.17.9
[INFO] [stderr]   Downloaded proc-macro2 v1.0.59
[INFO] [stderr]   Downloaded gtk4 v0.6.6
[INFO] [stderr]   Downloaded gobject-sys v0.17.4
[INFO] [stderr]   Downloaded toml_edit v0.19.10
[INFO] [stderr]   Downloaded graphene-sys v0.17.0
[INFO] [stderr]   Downloaded anyhow v1.0.71
[INFO] [stderr]   Downloaded target-lexicon v0.12.7
[INFO] [stderr]   Downloaded cfg-expr v0.15.1
[INFO] [stderr]   Downloaded toml v0.7.4
[INFO] [stderr]   Downloaded quote v1.0.28
[INFO] [stderr]   Downloaded once_cell v1.17.2
[INFO] [stderr]   Downloaded graphene-rs v0.17.1
[INFO] [stderr]   Downloaded gtk4-macros v0.6.6
[INFO] [stderr]   Downloaded gdk-pixbuf-sys v0.17.0
[INFO] [stderr]   Downloaded gsk4-sys v0.6.3
[INFO] [stderr]   Downloaded version-compare v0.1.1
[INFO] [stderr]   Downloaded system-deps v6.1.0
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 020999c8e8808c33e00770125f2388019d534bb6df8936a34f6ad537151f27c7
[INFO] running `Command { std: "docker" "start" "-a" "020999c8e8808c33e00770125f2388019d534bb6df8936a34f6ad537151f27c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "020999c8e8808c33e00770125f2388019d534bb6df8936a34f6ad537151f27c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "020999c8e8808c33e00770125f2388019d534bb6df8936a34f6ad537151f27c7", kill_on_drop: false }`
[INFO] [stdout] 020999c8e8808c33e00770125f2388019d534bb6df8936a34f6ad537151f27c7
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c692ec94322cfcfe796bea0b32c6fb8f9c15e3dff4bd1ae2d07840b0ddff816c
[INFO] running `Command { std: "docker" "start" "-a" "c692ec94322cfcfe796bea0b32c6fb8f9c15e3dff4bd1ae2d07840b0ddff816c", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.163
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling winnow v0.4.6
[INFO] [stderr]    Compiling target-lexicon v0.12.7
[INFO] [stderr]    Compiling smallvec v1.10.0
[INFO] [stderr]    Compiling version-compare v0.1.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.59
[INFO] [stderr]    Compiling quote v1.0.28
[INFO] [stderr]    Compiling unicode-ident v1.0.9
[INFO] [stderr]    Compiling libc v0.2.144
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling futures-core v0.3.28
[INFO] [stderr]    Compiling anyhow v1.0.71
[INFO] [stderr]    Compiling futures-task v0.3.28
[INFO] [stderr]    Compiling once_cell v1.17.2
[INFO] [stderr]    Compiling futures-util v0.3.28
[INFO] [stderr]    Compiling slab v0.4.8
[INFO] [stderr]    Compiling futures-channel v0.3.28
[INFO] [stderr]    Compiling thiserror v1.0.40
[INFO] [stderr]    Compiling gio v0.17.9
[INFO] [stderr]    Compiling semver v1.0.17
[INFO] [stderr]    Compiling futures-io v0.3.28
[INFO] [stderr]    Compiling memoffset v0.8.0
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.59/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] [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" "c692ec94322cfcfe796bea0b32c6fb8f9c15e3dff4bd1ae2d07840b0ddff816c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c692ec94322cfcfe796bea0b32c6fb8f9c15e3dff4bd1ae2d07840b0ddff816c", kill_on_drop: false }`
[INFO] [stdout] c692ec94322cfcfe796bea0b32c6fb8f9c15e3dff4bd1ae2d07840b0ddff816c