[INFO] cloning repository https://github.com/valekar/rust-backend
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/valekar/rust-backend" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvalekar%2Frust-backend", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvalekar%2Frust-backend'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8960f9ea3e175199cb3b996d57741a1cf40f2b8f
[INFO] checking valekar/rust-backend against try#a7a572ce3edd6d476191fbfe92c9c1986e009b34 for pr-87190-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvalekar%2Frust-backend" "/workspace/builds/worker-31/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-31/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/valekar/rust-backend 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 git repo https://github.com/valekar/rust-backend
[INFO] finished tweaking git repo https://github.com/valekar/rust-backend
[INFO] tweaked toml for git repo https://github.com/valekar/rust-backend written to /workspace/builds/worker-31/source/Cargo.toml
[INFO] crate git repo https://github.com/valekar/rust-backend 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded http-client v6.3.3
[INFO] [stderr]   Downloaded async-h1 v2.3.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/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] a20626ab2712787864acf78def06a227b2a6c0299bfb3cf01d02429a30a336e4
[INFO] running `Command { std: "docker" "start" "-a" "a20626ab2712787864acf78def06a227b2a6c0299bfb3cf01d02429a30a336e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a20626ab2712787864acf78def06a227b2a6c0299bfb3cf01d02429a30a336e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a20626ab2712787864acf78def06a227b2a6c0299bfb3cf01d02429a30a336e4", kill_on_drop: false }`
[INFO] [stdout] a20626ab2712787864acf78def06a227b2a6c0299bfb3cf01d02429a30a336e4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/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] 12ee217d5e966e896fbbfeaf3e622ff150fe8c94fc1dcfd42872a03d35bc8b2b
[INFO] running `Command { std: "docker" "start" "-a" "12ee217d5e966e896fbbfeaf3e622ff150fe8c94fc1dcfd42872a03d35bc8b2b", 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]   async-std v1.9.0 (as host dependency): async-attributes, attributes
[INFO] [stderr]   base64 v0.13.0 (as host dependency): default
[INFO] [stderr]   byteorder v1.3.4 (as host dependency): default
[INFO] [stderr]   chrono v0.4.19 (as host dependency): default, oldtime, serde, time
[INFO] [stderr]   futures v0.3.13 (as host dependency): async-await, compat, default
[INFO] [stderr]   futures-channel v0.3.13: default
[INFO] [stderr]   futures-channel v0.3.13 (as host dependency): default
[INFO] [stderr]   futures-util v0.3.13 (as host dependency): compat, futures_01
[INFO] [stderr]   getrandom v0.2.2 (as host dependency): std
[INFO] [stderr]   hashbrown v0.9.1: raw
[INFO] [stderr]   log v0.4.14 (as host dependency): kv_unstable_std, std
[INFO] [stderr]   rand v0.7.3 (as host dependency): default
[INFO] [stderr]   serde_json v1.0.64: indexmap, preserve_order
[INFO] [stderr]   standback v0.2.15 (as host dependency): std
[INFO] [stderr]   syn v1.0.60 (as host dependency): visit
[INFO] [stderr]   url v2.2.1 (as host dependency): serde
[INFO] [stderr]   uuid v0.8.2 (as host dependency): default
[INFO] [stderr]   value-bag v1.0.0-alpha.6 (as host dependency): error, std, sval1_lib
[INFO] [stderr] 
[INFO] [stderr]    Compiling libc v0.2.87
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]    Compiling value-bag v1.0.0-alpha.6
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling serde_derive v1.0.123
[INFO] [stderr]    Compiling serde v1.0.123
[INFO] [stderr]    Compiling cc v1.0.67
[INFO] [stderr]     Checking once_cell v1.7.2
[INFO] [stderr]     Checking sval v1.0.0-alpha.5
[INFO] [stderr]     Checking futures-core v0.3.13
[INFO] [stderr]    Compiling signal-hook v0.3.6
[INFO] [stderr]     Checking futures-io v0.3.13
[INFO] [stderr]     Checking pin-project-lite v0.2.5
[INFO] [stderr]     Checking event-listener v2.5.1
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]     Checking subtle v2.4.0
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]     Checking cache-padded v1.1.1
[INFO] [stderr]     Checking fastrand v1.4.0
[INFO] [stderr]     Checking waker-fn v1.1.0
[INFO] [stderr]     Checking parking v2.0.0
[INFO] [stderr]     Checking opaque-debug v0.3.0
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]     Checking vec-arena v1.0.0
[INFO] [stderr]     Checking ahash v0.4.7
[INFO] [stderr]     Checking async-task v4.0.3
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]     Checking atomic-waker v1.0.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling radium v0.5.3
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]     Checking cpuid-bool v0.1.2
[INFO] [stderr]    Compiling lexical-core v0.7.5
[INFO] [stderr]    Compiling tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling matches v0.1.8
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling const_fn v0.4.5
[INFO] [stderr]     Checking cpuid-bool v0.2.0
[INFO] [stderr]    Compiling slab v0.4.2
[INFO] [stderr]    Compiling anyhow v1.0.38
[INFO] [stderr]    Compiling foreign-types-shared v0.1.1
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]    Compiling build_const v0.2.1
[INFO] [stderr]     Checking base64 v0.13.0
[INFO] [stderr]    Compiling percent-encoding v2.1.0
[INFO] [stderr]    Compiling futures-sink v0.3.13
[INFO] [stderr]    Compiling http-types v2.10.0
[INFO] [stderr]    Compiling tap v1.0.1
[INFO] [stderr]     Checking regex-syntax v0.6.22
[INFO] [stderr]     Checking futures v0.1.31
[INFO] [stderr]    Compiling openssl-probe v0.1.2
[INFO] [stderr]     Checking data-encoding v2.3.2
[INFO] [stderr]    Compiling wyz v0.2.0
[INFO] [stderr]     Checking futures-task v0.3.13
[INFO] [stderr]    Compiling funty v1.1.0
[INFO] [stderr]    Compiling static_assertions v1.1.0
[INFO] [stderr]     Checking infer v0.2.3
[INFO] [stderr]    Compiling smallvec v1.6.1
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling unicode_categories v0.1.1
[INFO] [stderr]    Compiling itoa v0.4.7
[INFO] [stderr]    Compiling httparse v1.3.5
[INFO] [stderr]    Compiling maplit v1.0.2
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking constant_time_eq v0.1.5
[INFO] [stderr]    Compiling uuid v0.8.2
[INFO] [stderr]    Compiling hex v0.4.2
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]     Checking arrayref v0.3.6
[INFO] [stderr]    Compiling bytes v1.0.1
[INFO] [stderr]    Compiling unicode-segmentation v1.7.1
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling whoami v1.1.0
[INFO] [stderr]     Checking base64 v0.12.3
[INFO] [stderr]     Checking termcolor v1.1.2
[INFO] [stderr]     Checking pin-project-lite v0.1.12
[INFO] [stderr]     Checking route-recognizer v0.2.0
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling crossbeam-utils v0.8.3
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling standback v0.2.15
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling nom v6.1.2
[INFO] [stderr]    Compiling time v0.2.25
[INFO] [stderr]    Compiling ahash v0.6.3
[INFO] [stderr]    Compiling cookie v0.14.4
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]     Checking instant v0.1.9
[INFO] [stderr]     Checking tinyvec v1.1.1
[INFO] [stderr]     Checking form_urlencoded v1.0.1
[INFO] [stderr]     Checking thread_local v1.1.3
[INFO] [stderr]     Checking lock_api v0.4.2
[INFO] [stderr]     Checking concurrent-queue v1.2.2
[INFO] [stderr]     Checking async-mutex v1.4.0
[INFO] [stderr]     Checking async-lock v2.3.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling unicode-bidi v0.3.4
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking simple-mutex v1.1.5
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking hashbrown v0.9.1
[INFO] [stderr]    Compiling futures-channel v0.3.13
[INFO] [stderr] error: could not compile `cc`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name cc --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cc-1.0.67/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 -C metadata=179828e65b0b359f -C extra-filename=-179828e65b0b359f --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" "12ee217d5e966e896fbbfeaf3e622ff150fe8c94fc1dcfd42872a03d35bc8b2b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "12ee217d5e966e896fbbfeaf3e622ff150fe8c94fc1dcfd42872a03d35bc8b2b", kill_on_drop: false }`
[INFO] [stdout] 12ee217d5e966e896fbbfeaf3e622ff150fe8c94fc1dcfd42872a03d35bc8b2b