[INFO] fetching crate boomerang 0.2.0...
[INFO] checking boomerang-0.2.0 against master#c2f2db79ca3024f68d22b45aa22b570775c2c4ad for pr-124157
[INFO] extracting crate boomerang 0.2.0 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate boomerang 0.2.0 on toolchain c2f2db79ca3024f68d22b45aa22b570775c2c4ad
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate boomerang 0.2.0
[INFO] removed 1 missing examples
[INFO] finished tweaking crates.io crate boomerang 0.2.0
[INFO] tweaked toml for crates.io crate boomerang 0.2.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate crates.io crate boomerang 0.2.0 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" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ucd-trie v0.1.5
[INFO] [stderr]   Downloaded cpufeatures v0.2.6
[INFO] [stderr]   Downloaded pest_generator v2.5.7
[INFO] [stderr]   Downloaded dot-structures v0.1.0
[INFO] [stderr]   Downloaded into-attr v0.1.0
[INFO] [stderr]   Downloaded boomerang_tinymap v0.1.0
[INFO] [stderr]   Downloaded ciborium-io v0.2.0
[INFO] [stderr]   Downloaded ciborium-ll v0.2.0
[INFO] [stderr]   Downloaded plotters-svg v0.3.3
[INFO] [stderr]   Downloaded dot-generator v0.2.0
[INFO] [stderr]   Downloaded into-attr-derive v0.2.0
[INFO] [stderr]   Downloaded parse_duration v2.1.1
[INFO] [stderr]   Downloaded os_str_bytes v6.5.0
[INFO] [stderr]   Downloaded ciborium v0.2.0
[INFO] [stderr]   Downloaded plotters v0.3.4
[INFO] [stderr]   Downloaded rustix v0.37.11
[INFO] [stderr]   Downloaded pest v2.5.7
[INFO] [stderr]   Downloaded plotters-backend v0.3.4
[INFO] [stderr]   Downloaded pest_meta v2.5.7
[INFO] [stderr]   Downloaded pest_derive v2.5.7
[INFO] [stderr]   Downloaded graphviz-rust v0.6.2
[INFO] [stderr]   Downloaded boomerang_derive v0.2.0
[INFO] [stderr]   Downloaded boomerang_runtime v0.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 678fea939dcdc827338d1ea520fa58a47c4f2f1e0e18902e499882df7e5f6f83
[INFO] running `Command { std: "docker" "start" "-a" "678fea939dcdc827338d1ea520fa58a47c4f2f1e0e18902e499882df7e5f6f83", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "678fea939dcdc827338d1ea520fa58a47c4f2f1e0e18902e499882df7e5f6f83", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "678fea939dcdc827338d1ea520fa58a47c4f2f1e0e18902e499882df7e5f6f83", kill_on_drop: false }`
[INFO] [stdout] 678fea939dcdc827338d1ea520fa58a47c4f2f1e0e18902e499882df7e5f6f83
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5c3e111922f3c0dcac497928a99335d5a3e45a6f8b510dd2de7ef72a09811d44
[INFO] running `Command { std: "docker" "start" "-a" "5c3e111922f3c0dcac497928a99335d5a3e45a6f8b510dd2de7ef72a09811d44", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.56
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling crossbeam-utils v0.8.15
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling memoffset v0.8.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.14
[INFO] [stderr]    Compiling serde v1.0.159
[INFO] [stderr]     Checking once_cell v1.17.1
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling num-iter v0.1.43
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]     Checking either v1.8.1
[INFO] [stderr]    Compiling rayon-core v1.11.0
[INFO] [stderr]    Compiling io-lifetimes v1.0.10
[INFO] [stderr]    Compiling ucd-trie v0.1.5
[INFO] [stderr]     Checking tracing-core v0.1.30
[INFO] [stderr]     Checking getrandom v0.2.9
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling dot-structures v0.1.0
[INFO] [stderr]    Compiling rustix v0.37.11
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]    Compiling regex-syntax v0.6.29
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling slotmap v1.0.6
[INFO] [stderr]     Checking os_str_bytes v6.5.0
[INFO] [stderr]    Compiling into-attr v0.1.0
[INFO] [stderr]    Compiling dot-generator v0.2.0
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking ciborium-io v0.2.0
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/proc-macro2-1.0.56/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]     Checking plotters-backend v0.3.4
[INFO] [stderr]     Checking half v1.8.2
[INFO] [stderr]     Checking clap_lex v0.2.4
[INFO] [stderr]     Checking crossbeam-channel v0.5.8
[INFO] [stderr]    Compiling aho-corasick v0.7.20
[INFO] [stderr]     Checking plotters-svg v0.3.3
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking ciborium-ll v0.2.0
[INFO] [stderr]     Checking fixedbitset v0.4.2
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[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 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "5c3e111922f3c0dcac497928a99335d5a3e45a6f8b510dd2de7ef72a09811d44", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5c3e111922f3c0dcac497928a99335d5a3e45a6f8b510dd2de7ef72a09811d44", kill_on_drop: false }`
[INFO] [stdout] 5c3e111922f3c0dcac497928a99335d5a3e45a6f8b510dd2de7ef72a09811d44
[INFO] checking boomerang-0.2.0 against try#9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88 for pr-124157
[INFO] extracting crate boomerang 0.2.0 into /workspace/builds/worker-6-tc2/source
[INFO] validating manifest of crates.io crate boomerang 0.2.0 on toolchain 9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate boomerang 0.2.0
[INFO] removed 1 missing examples
[INFO] finished tweaking crates.io crate boomerang 0.2.0
[INFO] tweaked toml for crates.io crate boomerang 0.2.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate crates.io crate boomerang 0.2.0 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" "+9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 93ebd59bb91f3931a333476b661eca0fb1b7a3e0cc6981ff6044e484a10b9d8d
[INFO] running `Command { std: "docker" "start" "-a" "93ebd59bb91f3931a333476b661eca0fb1b7a3e0cc6981ff6044e484a10b9d8d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "93ebd59bb91f3931a333476b661eca0fb1b7a3e0cc6981ff6044e484a10b9d8d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "93ebd59bb91f3931a333476b661eca0fb1b7a3e0cc6981ff6044e484a10b9d8d", kill_on_drop: false }`
[INFO] [stdout] 93ebd59bb91f3931a333476b661eca0fb1b7a3e0cc6981ff6044e484a10b9d8d
[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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d631a0fbbac0db94a87ae6d188d26c3f418552ee3a9b6af357ae5569bdd98bae
[INFO] running `Command { std: "docker" "start" "-a" "d631a0fbbac0db94a87ae6d188d26c3f418552ee3a9b6af357ae5569bdd98bae", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.56
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling crossbeam-utils v0.8.15
[INFO] [stderr]    Compiling memoffset v0.8.0
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.14
[INFO] [stderr]     Checking once_cell v1.17.1
[INFO] [stderr]    Compiling serde v1.0.159
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling num-iter v0.1.43
[INFO] [stderr]    Compiling ucd-trie v0.1.5
[INFO] [stderr]     Checking either v1.8.1
[INFO] [stderr]    Compiling io-lifetimes v1.0.10
[INFO] [stderr]    Compiling rayon-core v1.11.0
[INFO] [stderr]     Checking getrandom v0.2.9
[INFO] [stderr]     Checking tracing-core v0.1.30
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling dot-structures v0.1.0
[INFO] [stderr]    Compiling rustix v0.37.11
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling regex-syntax v0.6.29
[INFO] [stderr]    Compiling slotmap v1.0.6
[INFO] [stderr]    Compiling into-attr v0.1.0
[INFO] [stderr]    Compiling dot-generator v0.2.0
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking os_str_bytes v6.5.0
[INFO] [stderr]     Checking plotters-backend v0.3.4
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/proc-macro2-1.0.56/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]     Checking half v1.8.2
[INFO] [stderr]     Checking ciborium-io v0.2.0
[INFO] [stderr]     Checking crossbeam-channel v0.5.8
[INFO] [stderr]     Checking clap_lex v0.2.4
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]    Compiling aho-corasick v0.7.20
[INFO] [stderr]     Checking ciborium-ll v0.2.0
[INFO] [stderr]     Checking plotters-svg v0.3.3
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0635`.
[INFO] [stdout] 
[INFO] [stderr]     Checking boomerang_tinymap v0.1.0
[INFO] [stderr] error: could not compile `proc-macro2` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "d631a0fbbac0db94a87ae6d188d26c3f418552ee3a9b6af357ae5569bdd98bae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d631a0fbbac0db94a87ae6d188d26c3f418552ee3a9b6af357ae5569bdd98bae", kill_on_drop: false }`
[INFO] [stdout] d631a0fbbac0db94a87ae6d188d26c3f418552ee3a9b6af357ae5569bdd98bae
