[INFO] fetching crate prose_chan 0.1.1...
[INFO] checking prose_chan-0.1.1 against try#a7a572ce3edd6d476191fbfe92c9c1986e009b34 for pr-87190-3
[INFO] extracting crate prose_chan 0.1.1 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate prose_chan 0.1.1 on toolchain a7a572ce3edd6d476191fbfe92c9c1986e009b34
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate prose_chan 0.1.1
[INFO] finished tweaking crates.io crate prose_chan 0.1.1
[INFO] tweaked toml for crates.io crate prose_chan 0.1.1 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate prose_chan 0.1.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded awc v0.2.8
[INFO] [stderr]   Downloaded nanoid v0.2.0
[INFO] [stderr]   Downloaded postgres v0.15.2
[INFO] [stderr]   Downloaded tera v0.11.20
[INFO] [stderr]   Downloaded r2d2_postgres v0.14.0
[INFO] [stderr]   Downloaded postgres-protocol v0.3.2
[INFO] [stderr]   Downloaded postgres-shared v0.4.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5b38ffdbb8e99458f49d99e1b27a6fc8a9c933103bff811c4c8dc409b052152e
[INFO] running `Command { std: "docker" "start" "-a" "5b38ffdbb8e99458f49d99e1b27a6fc8a9c933103bff811c4c8dc409b052152e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5b38ffdbb8e99458f49d99e1b27a6fc8a9c933103bff811c4c8dc409b052152e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5b38ffdbb8e99458f49d99e1b27a6fc8a9c933103bff811c4c8dc409b052152e", kill_on_drop: false }`
[INFO] [stdout] 5b38ffdbb8e99458f49d99e1b27a6fc8a9c933103bff811c4c8dc409b052152e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 047e18c2475eac49722acbb2e600f37f9080afb818542b1e0c9982e519baac2a
[INFO] running `Command { std: "docker" "start" "-a" "047e18c2475eac49722acbb2e600f37f9080afb818542b1e0c9982e519baac2a", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] Running `cargo fix --edition`
[INFO] [stderr] note: Switching to Edition 2021 will enable the use of the version 2 feature resolver in Cargo.
[INFO] [stderr] This may cause some dependencies to be built with fewer features enabled than previously.
[INFO] [stderr] More information about the resolver changes may be found at https://doc.rust-lang.org/nightly/edition-guide/rust-2021/default-cargo-resolver.html
[INFO] [stderr] When building the following dependencies, the given features will no longer be used:
[INFO] [stderr] 
[INFO] [stderr]   byteorder v1.3.2 (as host dependency): default, std
[INFO] [stderr]   c2-chacha v0.2.3 (as host dependency): std
[INFO] [stderr]   getrandom v0.1.13 (as host dependency): std
[INFO] [stderr]   libc v0.2.66 (as host dependency): default, std, use_std
[INFO] [stderr]   ppv-lite86 v0.2.6 (as host dependency): std
[INFO] [stderr]   rand v0.7.2 (as host dependency): alloc, default, std
[INFO] [stderr]   rand_chacha v0.2.1 (as host dependency): std
[INFO] [stderr]   rand_core v0.5.1 (as host dependency): alloc, std
[INFO] [stderr] 
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling proc-macro2 v1.0.6
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.11
[INFO] [stderr]     Checking futures v0.1.29
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling cc v1.0.48
[INFO] [stderr]     Checking smallvec v1.0.0
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]     Checking scopeguard v1.0.0
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling getrandom v0.1.13
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking rustc-demangle v0.1.16
[INFO] [stderr]    Compiling ppv-lite86 v0.2.6
[INFO] [stderr]    Compiling regex-syntax v0.6.12
[INFO] [stderr]     Checking itoa v0.4.4
[INFO] [stderr]    Compiling failure_derive v0.1.6
[INFO] [stderr]    Compiling serde v1.0.103
[INFO] [stderr]     Checking quick-error v1.2.2
[INFO] [stderr]     Checking copyless v0.1.4
[INFO] [stderr]    Compiling ryu v1.0.2
[INFO] [stderr]     Checking byte-tools v0.2.0
[INFO] [stderr]     Checking constant_time_eq v0.1.4
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]     Checking arrayref v0.3.5
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]    Compiling encoding_rs v0.8.20
[INFO] [stderr]    Compiling httparse v1.3.4
[INFO] [stderr]    Compiling ucd-trie v0.1.2
[INFO] [stderr]     Checking safemem v0.2.0
[INFO] [stderr]     Checking unic-char-range v0.7.0
[INFO] [stderr]     Checking unic-common v0.7.0
[INFO] [stderr]     Checking fallible-iterator v0.1.6
[INFO] [stderr]     Checking md5 v0.3.8
[INFO] [stderr]     Checking dtoa v0.4.4
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]     Checking mime v0.3.14
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]     Checking ucd-util v0.1.5
[INFO] [stderr]     Checking sha1 v0.6.0
[INFO] [stderr]     Checking hex v0.2.0
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]     Checking utf8-ranges v1.0.4
[INFO] [stderr]     Checking deunicode v0.4.3
[INFO] [stderr]     Checking termcolor v1.0.5
[INFO] [stderr]     Checking glob v0.2.11
[INFO] [stderr]     Checking humansize v1.1.0
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]    Compiling num-traits v0.2.10
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling indexmap v1.3.0
[INFO] [stderr]    Compiling hashbrown v0.6.3
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]     Checking c2-chacha v0.2.3
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]     Checking crossbeam-utils v0.6.6
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking lru-cache v0.1.2
[INFO] [stderr]     Checking lock_api v0.3.2
[INFO] [stderr]     Checking unicode-normalization v0.1.11
[INFO] [stderr]    Compiling error-chain v0.12.1
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking block-buffer v0.3.3
[INFO] [stderr]    Compiling pest v2.1.2
[INFO] [stderr]     Checking unic-char-property v0.7.0
[INFO] [stderr]     Checking unic-ucd-version v0.7.0
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]     Checking regex-syntax v0.5.6
[INFO] [stderr]     Checking slug v0.1.4
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking generic-array v0.9.0
[INFO] [stderr]     Checking rand_chacha v0.1.1
[INFO] [stderr]     Checking unic-ucd-segment v0.7.0
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]     Checking digest v0.7.6
[INFO] [stderr]     Checking crypto-mac v0.5.2
[INFO] [stderr]     Checking smallvec v0.6.13
[INFO] [stderr]     Checking sha2 v0.7.1
[INFO] [stderr]     Checking hmac v0.5.0
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking aho-corasick v0.7.6
[INFO] [stderr]     Checking aho-corasick v0.6.10
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking num_cpus v1.11.1
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking socket2 v0.3.11
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking hostname v0.1.5
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking signal-hook-registry v1.2.0
[INFO] [stderr]     Checking memchr v1.0.2
[INFO] [stderr]     Checking parking_lot_core v0.7.0
[INFO] [stderr]     Checking atty v0.2.13
[INFO] [stderr]     Checking unic-segment v0.7.0
[INFO] [stderr]     Checking tokio-executor v0.1.9
[INFO] [stderr]     Checking tokio-sync v0.1.7
[INFO] [stderr]     Checking actix-service v0.4.2
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]     Checking base64 v0.6.0
[INFO] [stderr]     Checking base64 v0.10.1
[INFO] [stderr]     Checking threadpool v1.7.1
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]     Checking resolv-conf v0.6.2
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]    Compiling backtrace-sys v0.1.32
[INFO] [stderr]    Compiling brotli-sys v0.3.2
[INFO] [stderr]    Compiling miniz-sys v0.1.12
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]     Checking stringprep v0.1.2
[INFO] [stderr]     Checking signal-hook v0.1.12
[INFO] [stderr]     Checking mio v0.6.21
[INFO] [stderr]     Checking tokio-timer v0.2.12
[INFO] [stderr]     Checking tokio-current-thread v0.1.6
[INFO] [stderr]     Checking parking_lot v0.10.0
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking rand v0.7.2
[INFO] [stderr] error: could not compile `regex-syntax`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name regex_syntax /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/regex-syntax-0.6.12/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="unicode-age"' --cfg 'feature="unicode-bool"' --cfg 'feature="unicode-case"' --cfg 'feature="unicode-gencat"' --cfg 'feature="unicode-perl"' --cfg 'feature="unicode-script"' --cfg 'feature="unicode-segment"' -C metadata=4055627397d2cec7 -C extra-filename=-4055627397d2cec7 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] [stderr] error: failed to migrate to next edition
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `cargo fix --edition --allow-no-vcs --allow-dirty --frozen --all --all-targets --message-format=json` (exit status: 101)
[INFO] running `Command { std: "docker" "inspect" "047e18c2475eac49722acbb2e600f37f9080afb818542b1e0c9982e519baac2a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "047e18c2475eac49722acbb2e600f37f9080afb818542b1e0c9982e519baac2a", kill_on_drop: false }`
[INFO] [stdout] 047e18c2475eac49722acbb2e600f37f9080afb818542b1e0c9982e519baac2a