[INFO] fetching crate uption 0.6.6...
[INFO] testing uption-0.6.6 against master#ec6f9a5b4413f74386267ef8efc93712c2ce6db6 for pr-155739-1
[INFO] extracting crate uption 0.6.6 into /workspace/builds/worker-5-tc1/source
[INFO] started tweaking crates.io crate uption 0.6.6
[INFO] finished tweaking crates.io crate uption 0.6.6
[INFO] tweaked toml for crates.io crate uption 0.6.6 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate uption 0.6.6 on toolchain ec6f9a5b4413f74386267ef8efc93712c2ce6db6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate uption 0.6.6 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" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded unicode-bidi v0.3.10
[INFO] [stderr]   Downloaded futures-macro v0.3.26
[INFO] [stderr]   Downloaded futures-io v0.3.26
[INFO] [stderr]   Downloaded futures-task v0.3.26
[INFO] [stderr]   Downloaded enum-as-inner v0.5.1
[INFO] [stderr]   Downloaded futures-sink v0.3.26
[INFO] [stderr]   Downloaded futures-core v0.3.26
[INFO] [stderr]   Downloaded windows-targets v0.42.1
[INFO] [stderr]   Downloaded tokio-macros v1.8.2
[INFO] [stderr]   Downloaded buffering v0.4.2
[INFO] [stderr]   Downloaded retain_mut v0.1.9
[INFO] [stderr]   Downloaded deadpool-runtime v0.1.2
[INFO] [stderr]   Downloaded ctrlc v3.2.5
[INFO] [stderr]   Downloaded block-buffer v0.10.3
[INFO] [stderr]   Downloaded predicates-tree v1.0.7
[INFO] [stderr]   Downloaded data-encoding v2.3.3
[INFO] [stderr]   Downloaded rstest v0.16.0
[INFO] [stderr]   Downloaded semver v1.0.16
[INFO] [stderr]   Downloaded futures-executor v0.3.26
[INFO] [stderr]   Downloaded futures-channel v0.3.26
[INFO] [stderr]   Downloaded pathdiff v0.2.1
[INFO] [stderr]   Downloaded termtree v0.4.0
[INFO] [stderr]   Downloaded predicates-core v1.0.5
[INFO] [stderr]   Downloaded netlink_wi v0.3.0
[INFO] [stderr]   Downloaded pest_generator v2.5.5
[INFO] [stderr]   Downloaded io-lifetimes v1.0.5
[INFO] [stderr]   Downloaded pest_derive v2.5.5
[INFO] [stderr]   Downloaded scratch v1.0.3
[INFO] [stderr]   Downloaded assert_cmd v2.0.8
[INFO] [stderr]   Downloaded neli v0.4.4
[INFO] [stderr]   Downloaded deadpool v0.9.5
[INFO] [stderr]   Downloaded ucd-trie v0.1.5
[INFO] [stderr]   Downloaded rstest_macros v0.16.0
[INFO] [stderr]   Downloaded futures v0.3.26
[INFO] [stderr]   Downloaded openssl-sys v0.9.80
[INFO] [stderr]   Downloaded pest_meta v2.5.5
[INFO] [stderr]   Downloaded similar v2.2.1
[INFO] [stderr]   Downloaded trust-dns-client v0.22.0
[INFO] [stderr]   Downloaded config v0.13.3
[INFO] [stderr]   Downloaded time v0.3.20
[INFO] [stderr]   Downloaded trust-dns-proto v0.22.0
[INFO] [stderr]   Downloaded pest v2.5.5
[INFO] [stderr]   Downloaded serde_json v1.0.93
[INFO] [stderr]   Downloaded reqwest v0.11.14
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[INFO] [stderr]   Downloaded tokio v1.25.0
[INFO] [stderr]   Downloaded openssl-src v111.25.0+1.1.1t
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6ee51b8dbe214e2151571757c6c00bd818b0dbf3a7a2ceea8a6a3ecc4940df16
[INFO] running `Command { std: "docker" "start" "-a" "6ee51b8dbe214e2151571757c6c00bd818b0dbf3a7a2ceea8a6a3ecc4940df16", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6ee51b8dbe214e2151571757c6c00bd818b0dbf3a7a2ceea8a6a3ecc4940df16", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ee51b8dbe214e2151571757c6c00bd818b0dbf3a7a2ceea8a6a3ecc4940df16", kill_on_drop: false }`
[INFO] [stdout] 6ee51b8dbe214e2151571757c6c00bd818b0dbf3a7a2ceea8a6a3ecc4940df16
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] eeb61bb0a0d30b7706ca4716a5d2e99d327250256ae5a256bdeb0a9469f6bcbf
[INFO] running `Command { std: "docker" "start" "-a" "eeb61bb0a0d30b7706ca4716a5d2e99d327250256ae5a256bdeb0a9469f6bcbf", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.51
[INFO] [stderr]    Compiling unicode-ident v1.0.6
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling once_cell v1.17.1
[INFO] [stderr]    Compiling cc v1.0.79
[INFO] [stderr]    Compiling bytes v1.4.0
[INFO] [stderr]    Compiling ahash v0.7.6
[INFO] [stderr]    Compiling futures-core v0.3.26
[INFO] [stderr]    Compiling tokio v1.25.0
[INFO] [stderr]    Compiling pkg-config v0.3.26
[INFO] [stderr]    Compiling thiserror v1.0.38
[INFO] [stderr]    Compiling slab v0.4.8
[INFO] [stderr]    Compiling futures-task v0.3.26
[INFO] [stderr]    Compiling itoa v1.0.5
[INFO] [stderr]    Compiling futures-util v0.3.26
[INFO] [stderr]    Compiling futures-channel v0.3.26
[INFO] [stderr]    Compiling futures-io v0.3.26
[INFO] [stderr]    Compiling unicode-normalization v0.1.22
[INFO] [stderr]    Compiling tracing-core v0.1.30
[INFO] [stderr]    Compiling indexmap v1.9.2
[INFO] [stderr]    Compiling ucd-trie v0.1.5
[INFO] [stderr]    Compiling openssl v0.10.45
[INFO] [stderr]    Compiling unicode-bidi v0.3.10
[INFO] [stderr]    Compiling percent-encoding v2.2.0
[INFO] [stderr]    Compiling http v0.2.9
[INFO] [stderr]    Compiling form_urlencoded v1.1.0
[INFO] [stderr]    Compiling async-trait v0.1.64
[INFO] [stderr]    Compiling native-tls v0.2.11
[INFO] [stderr]    Compiling futures-sink v0.3.26
[INFO] [stderr]    Compiling smallvec v1.10.0
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.51/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 ryu v1.0.12
[INFO] [stderr]    Compiling serde_json v1.0.93
[INFO] [stderr]    Compiling want v0.3.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.14
[INFO] [stderr]    Compiling openssl-src v111.25.0+1.1.1t
[INFO] [stderr]    Compiling tower-service v0.3.2
[INFO] [stderr]    Compiling matches v0.1.10
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling ipnet v2.7.1
[INFO] [stderr]    Compiling dlv-list v0.3.0
[INFO] [stderr]    Compiling httpdate v1.0.2
[INFO] [stderr]    Compiling nibble_vec v0.1.0
[INFO] [stderr]    Compiling buffering v0.4.2
[INFO] [stderr]    Compiling endian-type v0.1.2
[INFO] [stderr]    Compiling time-core v0.1.0
[INFO] [stderr]    Compiling linked-hash-map v0.5.6
[INFO] [stderr]    Compiling idna v0.3.0
[INFO] [stderr]    Compiling idna v0.2.3
[INFO] [stderr]    Compiling base64 v0.13.1
[INFO] [stderr]    Compiling data-encoding v2.3.3
[INFO] [stderr]    Compiling minimal-lexical v0.2.1
[INFO] [stderr]    Compiling yaml-rust v0.4.5
[INFO] [stderr]    Compiling time v0.3.20
[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" "eeb61bb0a0d30b7706ca4716a5d2e99d327250256ae5a256bdeb0a9469f6bcbf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eeb61bb0a0d30b7706ca4716a5d2e99d327250256ae5a256bdeb0a9469f6bcbf", kill_on_drop: false }`
[INFO] [stdout] eeb61bb0a0d30b7706ca4716a5d2e99d327250256ae5a256bdeb0a9469f6bcbf
