[INFO] fetching crate rerast 0.1.95...
[INFO] checking rerast-0.1.95 against try#a7a572ce3edd6d476191fbfe92c9c1986e009b34 for pr-87190-3
[INFO] extracting crate rerast 0.1.95 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate rerast 0.1.95 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 rerast 0.1.95
[INFO] finished tweaking crates.io crate rerast 0.1.95
[INFO] tweaked toml for crates.io crate rerast 0.1.95 written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate crates.io crate rerast 0.1.95 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] 9d3aef5844e216906d9b66a4b37c7735830f599472831cdbd90a3f0255005a2f
[INFO] running `Command { std: "docker" "start" "-a" "9d3aef5844e216906d9b66a4b37c7735830f599472831cdbd90a3f0255005a2f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9d3aef5844e216906d9b66a4b37c7735830f599472831cdbd90a3f0255005a2f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9d3aef5844e216906d9b66a4b37c7735830f599472831cdbd90a3f0255005a2f", kill_on_drop: false }`
[INFO] [stdout] 9d3aef5844e216906d9b66a4b37c7735830f599472831cdbd90a3f0255005a2f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] 3011a464de359084d230cc3dd6ac2becf430fbf7b5b355bd420fc37e366877f6
[INFO] running `Command { std: "docker" "start" "-a" "3011a464de359084d230cc3dd6ac2becf430fbf7b5b355bd420fc37e366877f6", 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]   winapi v0.3.8: errhandlingapi, minwinbase, ntsecapi, profileapi
[INFO] [stderr] 
[INFO] [stderr]    Compiling libc v0.2.62
[INFO] [stderr]    Compiling autocfg v0.1.6
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling proc-macro2 v1.0.1
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking cfg-if v0.1.9
[INFO] [stderr]    Compiling cc v1.0.41
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]    Compiling winapi v0.3.8
[INFO] [stderr]    Compiling cgmath v0.16.1
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling bitflags v1.1.0
[INFO] [stderr]    Compiling ryu v1.0.0
[INFO] [stderr]     Checking approx v0.1.1
[INFO] [stderr]    Compiling serde v1.0.99
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]     Checking rgb v0.8.14
[INFO] [stderr]     Checking unicode-width v0.1.6
[INFO] [stderr]     Checking regex-syntax v0.6.11
[INFO] [stderr]    Compiling escargot v0.4.0
[INFO] [stderr]     Checking itoa v0.4.4
[INFO] [stderr]     Checking predicates-core v1.0.0
[INFO] [stderr]     Checking either v1.5.2
[INFO] [stderr]     Checking rerast_macros v0.1.12
[INFO] [stderr]     Checking json v0.11.15
[INFO] [stderr]     Checking diff v0.1.11
[INFO] [stderr]     Checking normalize-line-endings v0.2.2
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking log v0.4.8
[INFO] [stderr]     Checking itertools v0.8.0
[INFO] [stderr]     Checking predicates-tree v1.0.0
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking aho-corasick v0.7.6
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling backtrace-sys v0.1.31
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking atty v0.2.13
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking float-cmp v0.4.0
[INFO] [stderr]     Checking backtrace v0.3.35
[INFO] [stderr]     Checking regex v1.2.1
[INFO] [stderr]     Checking winconsole v0.10.0
[INFO] [stderr]     Checking predicates v1.0.1
[INFO] [stderr]    Compiling synstructure v0.10.2
[INFO] [stderr]     Checking colored v1.8.0
[INFO] [stderr]    Compiling serde_derive v1.0.99
[INFO] [stderr]     Checking failure v0.1.5
[INFO] [stderr]     Checking rerast v0.1.95 (/tmp/fixit)
[INFO] [stderr]    Migrating src/lib.rs from 2018 edition to 2021
[INFO] [stdout] error[E0463]: can't find crate for `rustc_ast`
[INFO] [stdout]   --> src/lib.rs:75:1
[INFO] [stdout]    |
[INFO] [stdout] 75 | extern crate rustc_ast;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rerast` due to 2 previous errors
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] For more information about this error, try `rustc --explain E0463`.
[INFO] [stdout] 
[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" "3011a464de359084d230cc3dd6ac2becf430fbf7b5b355bd420fc37e366877f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3011a464de359084d230cc3dd6ac2becf430fbf7b5b355bd420fc37e366877f6", kill_on_drop: false }`
[INFO] [stdout] 3011a464de359084d230cc3dd6ac2becf430fbf7b5b355bd420fc37e366877f6