[INFO] fetching crate ssh_ui 0.4.1...
[INFO] testing ssh_ui-0.4.1 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-8
[INFO] extracting crate ssh_ui 0.4.1 into /workspace/builds/worker-5-tc1/source
[INFO] started tweaking crates.io crate ssh_ui 0.4.1
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate ssh_ui 0.4.1
[INFO] tweaked toml for crates.io crate ssh_ui 0.4.1 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate ssh_ui 0.4.1 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 ssh_ui 0.4.1 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 num_threads v0.1.6
[INFO] [stderr]   Downloaded russh-cryptovec v0.7.0
[INFO] [stderr]   Downloaded waker-fn v1.1.0
[INFO] [stderr]   Downloaded enumset v1.0.12
[INFO] [stderr]   Downloaded async-executor v1.5.0
[INFO] [stderr]   Downloaded num-complex v0.4.3
[INFO] [stderr]   Downloaded async-global-executor v2.3.1
[INFO] [stderr]   Downloaded polling v2.5.2
[INFO] [stderr]   Downloaded enum-map v2.4.2
[INFO] [stderr]   Downloaded enumset_derive v0.6.1
[INFO] [stderr]   Downloaded aead v0.5.1
[INFO] [stderr]   Downloaded async-channel v1.8.0
[INFO] [stderr]   Downloaded value-bag v1.0.0-alpha.9
[INFO] [stderr]   Downloaded enum-map-derive v0.11.0
[INFO] [stderr]   Downloaded parking_lot_core v0.9.6
[INFO] [stderr]   Downloaded atomic-waker v1.1.0
[INFO] [stderr]   Downloaded async-task v4.3.0
[INFO] [stderr]   Downloaded anyhow v1.0.68
[INFO] [stderr]   Downloaded bumpalo v3.12.0
[INFO] [stderr]   Downloaded aes v0.8.2
[INFO] [stderr]   Downloaded aes-gcm v0.10.1
[INFO] [stderr]   Downloaded russh v0.35.0-beta.9
[INFO] [stderr]   Downloaded bytes v1.3.0
[INFO] [stderr]   Downloaded cursive_core v0.3.7
[INFO] [stderr]   Downloaded ahash v0.8.2
[INFO] [stderr]   Downloaded nix v0.23.2
[INFO] [stderr]   Downloaded unicode-segmentation v1.10.0
[INFO] [stderr]   Downloaded data-encoding v2.3.3
[INFO] [stderr]   Downloaded futures v0.3.25
[INFO] [stderr]   Downloaded russh-keys v0.23.0-beta.1
[INFO] [stderr]   Downloaded windows_aarch64_gnullvm v0.42.1
[INFO] [stderr]   Downloaded windows_x86_64_gnullvm v0.42.1
[INFO] [stderr]   Downloaded blocking v1.3.0
[INFO] [stderr]   Downloaded concurrent-queue v2.1.0
[INFO] [stderr]   Downloaded async-io v1.12.0
[INFO] [stderr]   Downloaded futures-lite v1.12.0
[INFO] [stderr]   Downloaded signal-hook v0.3.14
[INFO] [stderr]   Downloaded cursive v0.20.0
[INFO] [stderr]   Downloaded async-trait v0.1.63
[INFO] [stderr]   Downloaded block-padding v0.3.2
[INFO] [stderr]   Downloaded base64ct v1.5.3
[INFO] [stderr]   Downloaded tokio-stream v0.1.11
[INFO] [stderr]   Downloaded wepoll-ffi v0.1.2
[INFO] [stderr]   Downloaded windows_aarch64_msvc v0.42.1
[INFO] [stderr]   Downloaded tokio v1.24.2
[INFO] [stderr]   Downloaded windows_x86_64_gnu v0.42.1
[INFO] [stderr]   Downloaded windows_i686_msvc v0.42.1
[INFO] [stderr]   Downloaded windows_x86_64_msvc v0.42.1
[INFO] [stderr]   Downloaded windows_i686_gnu v0.42.1
[INFO] [stderr]   Downloaded async-lock v2.6.0
[INFO] [stderr]   Downloaded parking v2.0.0
[INFO] [stderr]   Downloaded cipher v0.4.3
[INFO] [stderr]   Downloaded zeroize_derive v1.3.3
[INFO] [stderr]   Downloaded futures-executor v0.3.25
[INFO] [stderr]   Downloaded futures-io v0.3.25
[INFO] [stderr]   Downloaded futures-macro v0.3.25
[INFO] [stderr]   Downloaded sha2 v0.10.6
[INFO] [stderr]   Downloaded proc-macro2 v1.0.50
[INFO] [stderr]   Downloaded darling v0.14.2
[INFO] [stderr]   Downloaded openpty v0.2.0
[INFO] [stderr]   Downloaded darling_macro v0.14.2
[INFO] [stderr]   Downloaded owning_ref v0.4.1
[INFO] [stderr]   Downloaded polyval v0.6.0
[INFO] [stderr]   Downloaded chacha20 v0.9.0
[INFO] [stderr]   Downloaded hex-literal v0.3.4
[INFO] [stderr]   Downloaded bcrypt-pbkdf v0.9.0
[INFO] [stderr]   Downloaded yasna v0.5.1
[INFO] [stderr]   Downloaded universal-hash v0.5.0
[INFO] [stderr]   Downloaded openssl-src v111.24.0+1.1.1s
[INFO] [stderr]   Downloaded darling_core v0.14.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] c17c8c95e3b3437a93958d5f5c68721ad40f6b71cf797f1d952552bf2760ab13
[INFO] running `Command { std: "docker" "start" "-a" "c17c8c95e3b3437a93958d5f5c68721ad40f6b71cf797f1d952552bf2760ab13", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c17c8c95e3b3437a93958d5f5c68721ad40f6b71cf797f1d952552bf2760ab13", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c17c8c95e3b3437a93958d5f5c68721ad40f6b71cf797f1d952552bf2760ab13", kill_on_drop: false }`
[INFO] [stdout] c17c8c95e3b3437a93958d5f5c68721ad40f6b71cf797f1d952552bf2760ab13
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 45fcca288e80dcf69ca5c3410742cb410574c26fe97b3a4bd31f475d9d41d7c6
[INFO] running `Command { std: "docker" "start" "-a" "45fcca288e80dcf69ca5c3410742cb410574c26fe97b3a4bd31f475d9d41d7c6", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]    Compiling proc-macro2 v1.0.50
[INFO] [stderr]    Compiling unicode-ident v1.0.6
[INFO] [stderr]    Compiling quote v1.0.23
[INFO] [stderr]    Compiling syn v1.0.107
[INFO] [stderr]    Compiling typenum v1.16.0
[INFO] [stderr]    Compiling generic-array v0.14.6
[INFO] [stderr]    Compiling futures-core v0.3.25
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling value-bag v1.0.0-alpha.9
[INFO] [stderr]    Compiling subtle v2.4.1
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling pin-project-lite v0.2.9
[INFO] [stderr]    Compiling cpufeatures v0.2.5
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling futures-io v0.3.25
[INFO] [stderr]    Compiling crossbeam-utils v0.8.14
[INFO] [stderr]    Compiling slab v0.4.7
[INFO] [stderr]    Compiling num-integer v0.1.45
[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 ppv-lite86 v0.2.17
[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" "45fcca288e80dcf69ca5c3410742cb410574c26fe97b3a4bd31f475d9d41d7c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "45fcca288e80dcf69ca5c3410742cb410574c26fe97b3a4bd31f475d9d41d7c6", kill_on_drop: false }`
[INFO] [stdout] 45fcca288e80dcf69ca5c3410742cb410574c26fe97b3a4bd31f475d9d41d7c6
