[INFO] fetching crate so 0.4.5...
[INFO] checking so-0.4.5 against try#a7a572ce3edd6d476191fbfe92c9c1986e009b34 for pr-87190-3
[INFO] extracting crate so 0.4.5 into /workspace/builds/worker-43/source
[INFO] validating manifest of crates.io crate so 0.4.5 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 so 0.4.5
[INFO] finished tweaking crates.io crate so 0.4.5
[INFO] tweaked toml for crates.io crate so 0.4.5 written to /workspace/builds/worker-43/source/Cargo.toml
[INFO] crate crates.io crate so 0.4.5 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 enum-map-derive v0.4.6
[INFO] [stderr]   Downloaded minimad v0.8.0
[INFO] [stderr]   Downloaded enum-map v0.6.4
[INFO] [stderr]   Downloaded pancurses v0.16.1
[INFO] [stderr]   Downloaded crossterm_winapi v0.7.0
[INFO] [stderr]   Downloaded array-macro v1.0.5
[INFO] [stderr]   Downloaded crossterm_winapi v0.8.0
[INFO] [stderr]   Downloaded cursive v0.16.3
[INFO] [stderr]   Downloaded wasmer_enumset_derive v0.5.0
[INFO] [stderr]   Downloaded term_size v0.3.2
[INFO] [stderr]   Downloaded wasmer_enumset v1.0.1
[INFO] [stderr]   Downloaded crossterm v0.20.0
[INFO] [stderr]   Downloaded cursive_core v0.2.2
[INFO] [stderr]   Downloaded signal-hook-mio v0.2.1
[INFO] [stderr]   Downloaded syn v1.0.57
[INFO] [stderr]   Downloaded plotters-backend v0.3.1
[INFO] [stderr]   Downloaded crossterm v0.19.0
[INFO] [stderr]   Downloaded ncurses v5.101.0
[INFO] [stderr]   Downloaded directories v2.0.2
[INFO] [stderr]   Downloaded pdcurses-sys v0.7.1
[INFO] [stderr]   Downloaded termimad v0.13.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-43/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-43/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] 36813b1189c59676d1f5281f9fe9753e810c2686f43c4b2c0133a63ea08f3743
[INFO] running `Command { std: "docker" "start" "-a" "36813b1189c59676d1f5281f9fe9753e810c2686f43c4b2c0133a63ea08f3743", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "36813b1189c59676d1f5281f9fe9753e810c2686f43c4b2c0133a63ea08f3743", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "36813b1189c59676d1f5281f9fe9753e810c2686f43c4b2c0133a63ea08f3743", kill_on_drop: false }`
[INFO] [stdout] 36813b1189c59676d1f5281f9fe9753e810c2686f43c4b2c0133a63ea08f3743
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-43/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-43/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] c31c452ad7f5644d04bd92a768580b702da70414721241c28e14b980d7475919
[INFO] running `Command { std: "docker" "start" "-a" "c31c452ad7f5644d04bd92a768580b702da70414721241c28e14b980d7475919", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] Running `cargo fix --edition`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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]   getrandom v0.2.3: std
[INFO] [stderr]   libc v0.2.97 (as host dependency): default, std
[INFO] [stderr]   num-traits v0.2.14: default, std
[INFO] [stderr]   proc-macro2 v1.0.27: default
[INFO] [stderr]   quote v1.0.9: default
[INFO] [stderr]   syn v1.0.57: extra-traits, fold, full, visit
[INFO] [stderr]   tokio v1.7.1: winapi
[INFO] [stderr] 
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling libc v0.2.97
[INFO] [stderr]    Compiling syn v1.0.57
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling serde v1.0.118
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling siphasher v0.3.5
[INFO] [stderr]     Checking once_cell v1.8.0
[INFO] [stderr]    Compiling futures-core v0.3.15
[INFO] [stderr]    Compiling cc v1.0.68
[INFO] [stderr]     Checking bytes v1.0.1
[INFO] [stderr]    Compiling futures-channel v0.3.15
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]     Checking futures-sink v0.3.15
[INFO] [stderr]    Compiling futures-task v0.3.15
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]     Checking slab v0.4.3
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling strsim v0.9.3
[INFO] [stderr]     Checking futures-io v0.3.15
[INFO] [stderr]    Compiling openssl v0.10.35
[INFO] [stderr]     Checking new_debug_unreachable v1.0.4
[INFO] [stderr]    Compiling signal-hook v0.3.9
[INFO] [stderr]    Compiling httparse v1.4.1
[INFO] [stderr]     Checking mac v0.1.1
[INFO] [stderr]     Checking precomputed-hash v0.1.1
[INFO] [stderr]    Compiling native-tls v0.2.7
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]     Checking utf-8 v0.7.6
[INFO] [stderr]    Compiling crossbeam-queue v0.3.2
[INFO] [stderr]     Checking array-macro v1.0.5
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking nodrop v0.1.14
[INFO] [stderr]    Compiling convert_case v0.4.0
[INFO] [stderr]     Checking unicode-segmentation v1.7.1
[INFO] [stderr]     Checking xi-unicode v0.3.0
[INFO] [stderr]    Compiling pulldown-cmark v0.8.0
[INFO] [stderr]     Checking thin-slice v0.1.1
[INFO] [stderr]     Checking plotters-backend v0.3.1
[INFO] [stderr]     Checking ego-tree v0.6.2
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling futures-macro v0.3.15
[INFO] [stderr]    Compiling tokio v1.7.1
[INFO] [stderr]    Compiling futures-util v0.3.15
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]     Checking instant v0.1.9
[INFO] [stderr]     Checking lock_api v0.4.4
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]     Checking tinyvec v1.2.0
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]     Checking dtoa-short v0.3.3
[INFO] [stderr]     Checking owning_ref v0.4.1
[INFO] [stderr]     Checking getopts v0.2.21
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]     Checking log v0.4.14
[INFO] [stderr]     Checking crossbeam-utils v0.8.5
[INFO] [stderr]     Checking tracing-core v0.1.18
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling encoding_rs v0.8.28
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]    Compiling cast v0.2.6
[INFO] [stderr] error: could not compile `syn`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name build_script_build --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/syn-1.0.57/build.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type bin --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="clone-impls"' --cfg 'feature="default"' --cfg 'feature="derive"' --cfg 'feature="extra-traits"' --cfg 'feature="fold"' --cfg 'feature="full"' --cfg 'feature="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --cfg 'feature="quote"' --cfg 'feature="visit"' -C metadata=a4d7cd7c5844aadd -C extra-filename=-a4d7cd7c5844aadd --out-dir /opt/rustwide/target/debug/build/syn-a4d7cd7c5844aadd -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" "c31c452ad7f5644d04bd92a768580b702da70414721241c28e14b980d7475919", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c31c452ad7f5644d04bd92a768580b702da70414721241c28e14b980d7475919", kill_on_drop: false }`
[INFO] [stdout] c31c452ad7f5644d04bd92a768580b702da70414721241c28e14b980d7475919