[INFO] fetching crate huak 0.0.8-alpha.2...
[INFO] testing huak-0.0.8-alpha.2 against master#1f7f8ea0721a3b1eb73e6c6d25cccb371434b320 for pr-154065-1
[INFO] extracting crate huak 0.0.8-alpha.2 into /workspace/builds/worker-2-tc1/source
[INFO] removed /workspace/builds/worker-2-tc1/source/.cargo/config.toml
[INFO] started tweaking crates.io crate huak 0.0.8-alpha.2
[INFO] finished tweaking crates.io crate huak 0.0.8-alpha.2
[INFO] tweaked toml for crates.io crate huak 0.0.8-alpha.2 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate huak 0.0.8-alpha.2 on toolchain 1f7f8ea0721a3b1eb73e6c6d25cccb371434b320
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate huak 0.0.8-alpha.2 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" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bytes v1.2.1
[INFO] [stderr]   Downloaded terminal_size v0.2.1
[INFO] [stderr]   Downloaded jobserver v0.1.25
[INFO] [stderr]   Downloaded io-lifetimes v0.7.3
[INFO] [stderr]   Downloaded conpty v0.3.0
[INFO] [stderr]   Downloaded os_str_bytes v6.3.0
[INFO] [stderr]   Downloaded futures-core v0.3.24
[INFO] [stderr]   Downloaded ptyprocess v0.3.0
[INFO] [stderr]   Downloaded pyproject-toml v0.3.1
[INFO] [stderr]   Downloaded futures-io v0.3.24
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[INFO] [stderr]   Downloaded clap_derive v4.0.21
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[INFO] [stderr]   Downloaded expectrl v0.6.0
[INFO] [stderr]   Downloaded openssl-sys v0.9.76
[INFO] [stderr]   Downloaded unicode-ident v1.0.4
[INFO] [stderr]   Downloaded h2 v0.3.14
[INFO] [stderr]   Downloaded rustix v0.35.11
[INFO] [stderr]   Downloaded futures-channel v0.3.24
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[INFO] [stderr]   Downloaded nix v0.25.0
[INFO] [stderr]   Downloaded clap v4.0.23
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[INFO] [stderr]   Downloaded futures-util v0.3.24
[INFO] [stderr]   Downloaded nix v0.21.2
[INFO] [stderr]   Downloaded futures-task v0.3.24
[INFO] [stderr]   Downloaded toml_edit v0.14.4
[INFO] [stderr]   Downloaded futures-sink v0.3.24
[INFO] [stderr]   Downloaded libc v0.2.134
[INFO] [stderr]   Downloaded linux-raw-sys v0.0.46
[INFO] [stderr]   Downloaded windows_aarch64_msvc v0.29.0
[INFO] [stderr]   Downloaded tokio v1.21.2
[INFO] [stderr]   Downloaded windows_x86_64_msvc v0.29.0
[INFO] [stderr]   Downloaded windows_x86_64_gnu v0.29.0
[INFO] [stderr]   Downloaded windows_i686_gnu v0.29.0
[INFO] [stderr]   Downloaded windows_i686_msvc v0.29.0
[INFO] [stderr]   Downloaded libgit2-sys v0.14.0+1.5.0
[INFO] [stderr]   Downloaded libz-sys v1.1.8
[INFO] [stderr]   Downloaded openssl-src v111.24.0+1.1.1s
[INFO] [stderr]   Downloaded windows v0.29.0
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 61d6c05f54e4cd3e56d10c0e66cf47af64a8fc5e82f3e4f0d7ad27b575467be6
[INFO] running `Command { std: "docker" "start" "-a" "61d6c05f54e4cd3e56d10c0e66cf47af64a8fc5e82f3e4f0d7ad27b575467be6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "61d6c05f54e4cd3e56d10c0e66cf47af64a8fc5e82f3e4f0d7ad27b575467be6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "61d6c05f54e4cd3e56d10c0e66cf47af64a8fc5e82f3e4f0d7ad27b575467be6", kill_on_drop: false }`
[INFO] [stdout] 61d6c05f54e4cd3e56d10c0e66cf47af64a8fc5e82f3e4f0d7ad27b575467be6
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a1ae59a132caa4330515079b2bc1b81f8f49e25055e022401e7e616cbbd01d07
[INFO] running `Command { std: "docker" "start" "-a" "a1ae59a132caa4330515079b2bc1b81f8f49e25055e022401e7e616cbbd01d07", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling libc v0.2.134
[INFO] [stderr]    Compiling proc-macro2 v1.0.46
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling unicode-ident v1.0.4
[INFO] [stderr]    Compiling syn v1.0.102
[INFO] [stderr]    Compiling pkg-config v0.3.25
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling once_cell v1.15.0
[INFO] [stderr]    Compiling bytes v1.2.1
[INFO] [stderr]    Compiling pin-project-lite v0.2.9
[INFO] [stderr]    Compiling futures-core v0.3.24
[INFO] [stderr]    Compiling serde_derive v1.0.145
[INFO] [stderr]    Compiling itoa v1.0.4
[INFO] [stderr]    Compiling serde v1.0.145
[INFO] [stderr]    Compiling futures-task v0.3.24
[INFO] [stderr]    Compiling futures-util v0.3.24
[INFO] [stderr]    Compiling hashbrown v0.12.3
[INFO] [stderr]    Compiling tracing-core v0.1.30
[INFO] [stderr]    Compiling openssl v0.10.42
[INFO] [stderr]    Compiling tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling futures-channel v0.3.24
[INFO] [stderr]    Compiling tinyvec v1.6.0
[INFO] [stderr]    Compiling native-tls v0.2.10
[INFO] [stderr]    Compiling httparse v1.8.0
[INFO] [stderr]    Compiling futures-sink v0.3.24
[INFO] [stderr]    Compiling percent-encoding v2.2.0
[INFO] [stderr]    Compiling tokio v1.21.2
[INFO] [stderr]    Compiling indexmap v1.9.1
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.46/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]    Compiling slab v0.4.7
[INFO] [stderr]    Compiling jobserver v0.1.25
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling futures-io v0.3.24
[INFO] [stderr]    Compiling http v0.2.8
[INFO] [stderr]    Compiling form_urlencoded v1.1.0
[INFO] [stderr]    Compiling unicode-bidi v0.3.8
[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" "a1ae59a132caa4330515079b2bc1b81f8f49e25055e022401e7e616cbbd01d07", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a1ae59a132caa4330515079b2bc1b81f8f49e25055e022401e7e616cbbd01d07", kill_on_drop: false }`
[INFO] [stdout] a1ae59a132caa4330515079b2bc1b81f8f49e25055e022401e7e616cbbd01d07
