[INFO] fetching crate aipster 2.0.0...
[INFO] checking aipster-2.0.0 against try#943e2200e35c3825486c4671b6cab0107a07f8c1 for pr-148952
[INFO] extracting crate aipster 2.0.0 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate aipster 2.0.0
[INFO] finished tweaking crates.io crate aipster 2.0.0
[INFO] tweaked toml for crates.io crate aipster 2.0.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate aipster 2.0.0 on toolchain 943e2200e35c3825486c4671b6cab0107a07f8c1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+943e2200e35c3825486c4671b6cab0107a07f8c1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate aipster 2.0.0 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" "+943e2200e35c3825486c4671b6cab0107a07f8c1" "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 cfg-expr v0.11.0
[INFO] [stderr]   Downloaded soup2-sys v0.2.0
[INFO] [stderr]   Downloaded webkit2gtk v0.18.2
[INFO] [stderr]   Downloaded gdk-pixbuf v0.15.11
[INFO] [stderr]   Downloaded gobject-sys v0.15.10
[INFO] [stderr]   Downloaded field-offset v0.3.4
[INFO] [stderr]   Downloaded javascriptcore-rs v0.16.0
[INFO] [stderr]   Downloaded gdk-pixbuf-sys v0.15.10
[INFO] [stderr]   Downloaded cairo-sys-rs v0.15.1
[INFO] [stderr]   Downloaded atk v0.15.1
[INFO] [stderr]   Downloaded pango v0.15.10
[INFO] [stderr]   Downloaded openssl-sys v0.9.80
[INFO] [stderr]   Downloaded security-framework v2.8.1
[INFO] [stderr]   Downloaded gio-sys v0.15.10
[INFO] [stderr]   Downloaded pest v2.5.4
[INFO] [stderr]   Downloaded gdk v0.15.4
[INFO] [stderr]   Downloaded gdk-sys v0.15.1
[INFO] [stderr]   Downloaded gtk-sys v0.15.3
[INFO] [stderr]   Downloaded glib-sys v0.15.10
[INFO] [stderr]   Downloaded gio v0.15.12
[INFO] [stderr]   Downloaded glib v0.15.12
[INFO] [stderr]   Downloaded openssl v0.10.45
[INFO] [stderr]   Downloaded cairo-rs v0.15.12
[INFO] [stderr]   Downloaded soup2 v0.2.1
[INFO] [stderr]   Downloaded atk-sys v0.15.1
[INFO] [stderr]   Downloaded pango-sys v0.15.10
[INFO] [stderr]   Downloaded cfg-expr v0.9.1
[INFO] [stderr]   Downloaded glib-macros v0.15.11
[INFO] [stderr]   Downloaded javascriptcore-rs-sys v0.4.0
[INFO] [stderr]   Downloaded webkit2gtk-sys v0.18.0
[INFO] [stderr]   Downloaded system-deps v5.0.0
[INFO] [stderr]   Downloaded system-deps v6.0.3
[INFO] [stderr]   Downloaded gtk3-macros v0.15.4
[INFO] [stderr]   Downloaded version-compare v0.0.11
[INFO] [stderr]   Downloaded gtk v0.15.5
[INFO] [stderr]   Downloaded tokio v1.24.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+943e2200e35c3825486c4671b6cab0107a07f8c1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0899e8d8a95212651aab0d4362b34c94a89d283316661c3d4fa6ab888b0bd23f
[INFO] running `Command { std: "docker" "start" "-a" "0899e8d8a95212651aab0d4362b34c94a89d283316661c3d4fa6ab888b0bd23f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0899e8d8a95212651aab0d4362b34c94a89d283316661c3d4fa6ab888b0bd23f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0899e8d8a95212651aab0d4362b34c94a89d283316661c3d4fa6ab888b0bd23f", kill_on_drop: false }`
[INFO] [stdout] 0899e8d8a95212651aab0d4362b34c94a89d283316661c3d4fa6ab888b0bd23f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+943e2200e35c3825486c4671b6cab0107a07f8c1" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b9c5ea5b3ae93eed8b4b9c4f8ed7a653ce3581a13051541cb97a076244685490
[INFO] running `Command { std: "docker" "start" "-a" "b9c5ea5b3ae93eed8b4b9c4f8ed7a653ce3581a13051541cb97a076244685490", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.152
[INFO] [stderr]    Compiling smallvec v1.10.0
[INFO] [stderr]    Compiling heck v0.4.0
[INFO] [stderr]    Compiling version-compare v0.1.1
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]    Compiling proc-macro2 v1.0.50
[INFO] [stderr]    Compiling quote v1.0.23
[INFO] [stderr]    Compiling syn v1.0.107
[INFO] [stderr]     Checking once_cell v1.17.0
[INFO] [stderr]    Compiling futures-core v0.3.25
[INFO] [stderr]    Compiling thiserror v1.0.38
[INFO] [stderr]    Compiling futures-task v0.3.25
[INFO] [stderr]    Compiling futures-util v0.3.25
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]     Checking futures-io v0.3.25
[INFO] [stderr]    Compiling futures-channel v0.3.25
[INFO] [stderr]    Compiling toml_datetime v0.5.1
[INFO] [stderr]    Compiling anyhow v1.0.68
[INFO] [stderr]    Compiling cfg-expr v0.11.0
[INFO] [stderr]    Compiling unicode-segmentation v1.10.0
[INFO] [stderr]    Compiling cfg-expr v0.9.1
[INFO] [stderr]    Compiling version-compare v0.0.11
[INFO] [stderr]    Compiling cc v1.0.78
[INFO] [stderr]     Checking bytes v1.3.0
[INFO] [stderr]    Compiling tokio v1.24.2
[INFO] [stderr]     Checking itoa v1.0.5
[INFO] [stderr]    Compiling gio v0.15.12
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]     Checking tracing-core v0.1.30
[INFO] [stderr]    Compiling indexmap v1.9.2
[INFO] [stderr]    Compiling openssl v0.10.45
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.50/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 native-tls v0.2.11
[INFO] [stderr]    Compiling nom8 v0.2.0
[INFO] [stderr]     Checking num_cpus v1.15.0
[INFO] [stderr]     Checking mio v0.8.5
[INFO] [stderr]     Checking socket2 v0.4.7
[INFO] [stderr]     Checking try-lock v0.2.4
[INFO] [stderr]    Compiling gtk v0.15.5
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking unicode-bidi v0.3.10
[INFO] [stderr]     Checking ryu v1.0.12
[INFO] [stderr]    Compiling serde_json v1.0.91
[INFO] [stderr]     Checking dirs-sys v0.3.7
[INFO] [stderr]     Checking ipnet v2.7.1
[INFO] [stderr]     Checking 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" "b9c5ea5b3ae93eed8b4b9c4f8ed7a653ce3581a13051541cb97a076244685490", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b9c5ea5b3ae93eed8b4b9c4f8ed7a653ce3581a13051541cb97a076244685490", kill_on_drop: false }`
[INFO] [stdout] b9c5ea5b3ae93eed8b4b9c4f8ed7a653ce3581a13051541cb97a076244685490
