[INFO] fetching crate cosmology 0.3.2...
[INFO] testing cosmology-0.3.2 against master#cdb45c87e2cd43495379f7e867e3cc15dcee9f93 for pr-145838-1
[INFO] extracting crate cosmology 0.3.2 into /workspace/builds/worker-5-tc1/source
[INFO] started tweaking crates.io crate cosmology 0.3.2
[INFO] finished tweaking crates.io crate cosmology 0.3.2
[INFO] tweaked toml for crates.io crate cosmology 0.3.2 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate cosmology 0.3.2 on toolchain cdb45c87e2cd43495379f7e867e3cc15dcee9f93
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate cosmology 0.3.2 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" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded plotly_kaleido v0.3.0
[INFO] [stderr]   Downloaded concat-idents v1.1.3
[INFO] [stderr]   Downloaded sequential-integration v1.0.2
[INFO] [stderr]   Downloaded fnntw v0.2.3
[INFO] [stderr]   Downloaded hammer-and-sample v0.1.4
[INFO] [stderr]   Downloaded dry v0.1.1
[INFO] [stderr]   Downloaded ordered-float v3.2.0
[INFO] [stderr]   Downloaded plotly v0.7.0
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a33a66d593ffead2b8f70372498d8327484bd107a45972f5d1a55843751a1bc3
[INFO] running `Command { std: "docker" "start" "-a" "a33a66d593ffead2b8f70372498d8327484bd107a45972f5d1a55843751a1bc3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a33a66d593ffead2b8f70372498d8327484bd107a45972f5d1a55843751a1bc3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a33a66d593ffead2b8f70372498d8327484bd107a45972f5d1a55843751a1bc3", kill_on_drop: false }`
[INFO] [stdout] a33a66d593ffead2b8f70372498d8327484bd107a45972f5d1a55843751a1bc3
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b84affd432c05f131093cc7eae3d9f3dc8c16d8127a2fe3b769ae392a0b4165e
[INFO] running `Command { std: "docker" "start" "-a" "b84affd432c05f131093cc7eae3d9f3dc8c16d8127a2fe3b769ae392a0b4165e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.135
[INFO] [stderr]    Compiling proc-macro2 v1.0.46
[INFO] [stderr]    Compiling crossbeam-utils v0.8.12
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling serde v1.0.145
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.11
[INFO] [stderr]    Compiling syn v1.0.102
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling rayon-core v1.9.3
[INFO] [stderr]    Compiling either v1.8.0
[INFO] [stderr]    Compiling unicode-width v0.1.10
[INFO] [stderr]    Compiling rayon v1.5.3
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling ryu v1.0.11
[INFO] [stderr]    Compiling serde_json v1.0.86
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling ppv-lite86 v0.2.16
[INFO] [stderr]    Compiling itoa v1.0.4
[INFO] [stderr]    Compiling plotters-backend v0.3.4
[INFO] [stderr]    Compiling regex-automata v0.1.10
[INFO] [stderr]    Compiling serde_derive v1.0.145
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling csv-core v0.1.10
[INFO] [stderr]    Compiling itoa v0.4.8
[INFO] [stderr]    Compiling cast v0.3.0
[INFO] [stderr]    Compiling regex-syntax v0.6.27
[INFO] [stderr]    Compiling half v1.8.2
[INFO] [stderr]    Compiling Inflector v0.11.4
[INFO] [stderr]    Compiling plotters-svg v0.3.3
[INFO] [stderr]    Compiling aliasable v0.1.3
[INFO] [stderr]    Compiling number_prefix v0.4.0
[INFO] [stderr]    Compiling crossbeam-channel v0.5.6
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.46/src/lib.rs:92:30
[INFO] [stdout]    |
[INFO] [stdout] 92 |     feature(proc_macro_span, proc_macro_span_shrink)
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling oorandom v11.1.3
[INFO] [stderr]    Compiling quadrature v0.1.2
[INFO] [stderr]    Compiling crossbeam-deque v0.8.2
[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" "b84affd432c05f131093cc7eae3d9f3dc8c16d8127a2fe3b769ae392a0b4165e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b84affd432c05f131093cc7eae3d9f3dc8c16d8127a2fe3b769ae392a0b4165e", kill_on_drop: false }`
[INFO] [stdout] b84affd432c05f131093cc7eae3d9f3dc8c16d8127a2fe3b769ae392a0b4165e