[INFO] fetching crate oso 0.27.3...
[INFO] building oso-0.27.3 against master#ad85bc524b1ad696e42061ad8338d382dffbdbe5 for pr-146237-1
[INFO] extracting crate oso 0.27.3 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate oso 0.27.3
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate oso 0.27.3
[INFO] tweaked toml for crates.io crate oso 0.27.3 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate oso 0.27.3 on toolchain ad85bc524b1ad696e42061ad8338d382dffbdbe5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate oso 0.27.3 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" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded thread_local v1.1.4
[INFO] [stderr]   Downloaded tracing-attributes v0.1.23
[INFO] [stderr]   Downloaded error-code v2.3.1
[INFO] [stderr]   Downloaded str-buf v1.0.6
[INFO] [stderr]   Downloaded rustyline-derive v0.5.0
[INFO] [stderr]   Downloaded uuid v1.2.1
[INFO] [stderr]   Downloaded plotters-backend v0.3.4
[INFO] [stderr]   Downloaded os_str_bytes v6.3.1
[INFO] [stderr]   Downloaded num_cpus v1.14.0
[INFO] [stderr]   Downloaded anyhow v1.0.66
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[INFO] [stderr]   Downloaded petgraph v0.6.2
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[INFO] [stderr]   Downloaded rustix v0.35.13
[INFO] [stderr]   Downloaded rustix v0.36.11
[INFO] [stderr]   Downloaded polar-core v0.27.3
[INFO] [stderr]   Downloaded regex v1.7.0
[INFO] [stderr]   Downloaded nix v0.23.1
[INFO] [stderr]   Downloaded syn v1.0.103
[INFO] [stderr]   Downloaded tracing-subscriber v0.3.16
[INFO] [stderr]   Downloaded unicode-segmentation v1.10.0
[INFO] [stderr]   Downloaded serde v1.0.147
[INFO] [stderr]   Downloaded bumpalo v3.11.1
[INFO] [stderr]   Downloaded rustyline v9.1.2
[INFO] [stderr]   Downloaded rayon-core v1.9.3
[INFO] [stderr]   Downloaded libc v0.2.137
[INFO] [stderr]   Downloaded serde_derive v1.0.147
[INFO] [stderr]   Downloaded clipboard-win v4.4.2
[INFO] [stderr]   Downloaded cc v1.0.76
[INFO] [stderr]   Downloaded criterion-plot v0.4.5
[INFO] [stderr]   Downloaded linux-raw-sys v0.0.46
[INFO] [stderr]   Downloaded fd-lock v3.0.7
[INFO] [stderr]   Downloaded oorandom v11.1.3
[INFO] [stderr]   Downloaded crossbeam-deque v0.8.2
[INFO] [stderr]   Downloaded crossbeam-utils v0.8.12
[INFO] [stderr]   Downloaded walkdir v2.3.2
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[INFO] [stderr]   Downloaded indoc v1.0.7
[INFO] [stderr]   Downloaded io-lifetimes v1.0.9
[INFO] [stderr]   Downloaded parking_lot_core v0.9.4
[INFO] [stderr]   Downloaded string_cache v0.8.4
[INFO] [stderr]   Downloaded proc-macro2 v1.0.47
[INFO] [stderr]   Downloaded unicode-ident v1.0.5
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[INFO] [stderr]   Downloaded ena v0.14.0
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[INFO] [stderr]   Downloaded thiserror v1.0.37
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[INFO] [stderr]   Downloaded once_cell v1.16.0
[INFO] [stderr]   Downloaded itoa v1.0.4
[INFO] [stderr]   Downloaded oso-derive v0.27.3
[INFO] [stderr]   Downloaded phf_shared v0.10.0
[INFO] [stderr]   Downloaded lalrpop-util v0.19.9
[INFO] [stderr]   Downloaded rustversion v1.0.9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 13a355d943402bb77488f85dba227dca5f1b4cb3c1c266d8f83c6b533bb4e47c
[INFO] running `Command { std: "docker" "start" "-a" "13a355d943402bb77488f85dba227dca5f1b4cb3c1c266d8f83c6b533bb4e47c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "13a355d943402bb77488f85dba227dca5f1b4cb3c1c266d8f83c6b533bb4e47c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "13a355d943402bb77488f85dba227dca5f1b4cb3c1c266d8f83c6b533bb4e47c", kill_on_drop: false }`
[INFO] [stdout] 13a355d943402bb77488f85dba227dca5f1b4cb3c1c266d8f83c6b533bb4e47c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 903442f1a093a2c5159cf0245cdef6107e3327c7a2bbbf1b5ab7f05b6d4a3cab
[INFO] running `Command { std: "docker" "start" "-a" "903442f1a093a2c5159cf0245cdef6107e3327c7a2bbbf1b5ab7f05b6d4a3cab", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.137
[INFO] [stderr]    Compiling proc-macro2 v1.0.47
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling unicode-ident v1.0.5
[INFO] [stderr]    Compiling syn v1.0.103
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling parking_lot_core v0.9.4
[INFO] [stderr]    Compiling io-lifetimes v1.0.9
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling once_cell v1.16.0
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]    Compiling smallvec v1.10.0
[INFO] [stderr]    Compiling rustix v0.36.11
[INFO] [stderr]    Compiling siphasher v0.3.10
[INFO] [stderr]    Compiling hashbrown v0.12.3
[INFO] [stderr]    Compiling tiny-keccak v2.0.2
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling serde_derive v1.0.147
[INFO] [stderr]    Compiling linux-raw-sys v0.1.4
[INFO] [stderr]    Compiling phf_shared v0.10.0
[INFO] [stderr]    Compiling bit-vec v0.6.3
[INFO] [stderr]    Compiling either v1.8.0
[INFO] [stderr]    Compiling regex-syntax v0.6.28
[INFO] [stderr]    Compiling fixedbitset v0.4.2
[INFO] [stderr]    Compiling precomputed-hash v0.1.1
[INFO] [stderr]    Compiling new_debug_unreachable v1.0.4
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling ena v0.14.0
[INFO] [stderr]    Compiling lock_api v0.4.9
[INFO] [stderr]    Compiling indexmap v1.9.1
[INFO] [stderr]    Compiling rustversion v1.0.9
[INFO] [stderr]    Compiling bit-set v0.5.3
[INFO] [stderr]    Compiling diff v0.1.13
[INFO] [stderr]    Compiling unicode-xid v0.2.4
[INFO] [stderr]    Compiling lalrpop-util v0.19.9
[INFO] [stderr]    Compiling serde v1.0.147
[INFO] [stderr]    Compiling heck v0.4.0
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.47/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 thiserror v1.0.37
[INFO] [stderr]    Compiling tracing-core v0.1.30
[INFO] [stderr]    Compiling indoc v1.0.7
[INFO] [stderr]    Compiling pin-project-lite v0.2.9
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling maplit v1.0.2
[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" "903442f1a093a2c5159cf0245cdef6107e3327c7a2bbbf1b5ab7f05b6d4a3cab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "903442f1a093a2c5159cf0245cdef6107e3327c7a2bbbf1b5ab7f05b6d4a3cab", kill_on_drop: false }`
[INFO] [stdout] 903442f1a093a2c5159cf0245cdef6107e3327c7a2bbbf1b5ab7f05b6d4a3cab