[INFO] cloning repository https://github.com/peroveri/em-refactor
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/peroveri/em-refactor" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fperoveri%2Fem-refactor", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fperoveri%2Fem-refactor'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e52f0de7a6ef7300cb68d4f4f6c0a50a9ab46b27
[INFO] checking peroveri/em-refactor against try#8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346 for pr-86194
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fperoveri%2Fem-refactor" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/peroveri/em-refactor on toolchain 8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-9/source/.cargo/config
[INFO] removed /workspace/builds/worker-9/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/peroveri/em-refactor
[INFO] finished tweaking git repo https://github.com/peroveri/em-refactor
[INFO] tweaked toml for git repo https://github.com/peroveri/em-refactor written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/peroveri/em-refactor already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded wait-timeout v0.2.0
[INFO] [stderr]   Downloaded predicates v1.0.4
[INFO] [stderr]   Downloaded clap v2.33.0
[INFO] [stderr]   Downloaded float-cmp v0.6.0
[INFO] [stderr]   Downloaded if_chain v1.0.0
[INFO] [stderr]   Downloaded assert_cmd v0.12.2
[INFO] [stderr]   Downloaded escargot v0.5.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 971e2cbb207792867a49ee0989270f8e5e0a2a0cc99f499ff41d14e20e1f109c
[INFO] running `Command { std: "docker" "start" "-a" "971e2cbb207792867a49ee0989270f8e5e0a2a0cc99f499ff41d14e20e1f109c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "971e2cbb207792867a49ee0989270f8e5e0a2a0cc99f499ff41d14e20e1f109c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "971e2cbb207792867a49ee0989270f8e5e0a2a0cc99f499ff41d14e20e1f109c", kill_on_drop: false }`
[INFO] [stdout] 971e2cbb207792867a49ee0989270f8e5e0a2a0cc99f499ff41d14e20e1f109c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8b92fafa9d0ab72524828a3fa858aa24bd4fb20daecc59187df76e1e66f12c5b
[INFO] running `Command { std: "docker" "start" "-a" "8b92fafa9d0ab72524828a3fa858aa24bd4fb20daecc59187df76e1e66f12c5b", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]    Compiling proc-macro2 v1.0.10
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]    Compiling serde v1.0.106
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking regex-syntax v0.6.17
[INFO] [stderr]     Checking ppv-lite86 v0.2.6
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking if_chain v1.0.0
[INFO] [stderr]    Compiling escargot v0.5.0
[INFO] [stderr]     Checking predicates-core v1.0.0
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]     Checking treeline v0.1.0
[INFO] [stderr]     Checking normalize-line-endings v0.3.0
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking predicates-tree v1.0.0
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]     Checking aho-corasick v0.7.10
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking wait-timeout v0.2.0
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking float-cmp v0.6.0
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking chrono v0.4.11
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]     Checking regex v1.3.7
[INFO] [stderr]    Compiling serde_derive v1.0.106
[INFO] [stderr]     Checking predicates v1.0.4
[INFO] [stderr]     Checking serde_json v1.0.51
[INFO] [stderr]     Checking em-refactor-lib-types v0.1.0 (/opt/rustwide/workdir/em-refactor-lib-types)
[INFO] [stderr]     Checking em-refactor-lib v0.1.0 (/opt/rustwide/workdir/em-refactor-lib)
[INFO] [stderr]     Checking em-refactor-experiments v0.1.0 (/opt/rustwide/workdir/em-refactor-experiments)
[INFO] [stdout] error[E0463]: can't find crate for `rustc_ast`
[INFO] [stdout]  --> em-refactor-lib/src/lib.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | extern crate rustc_ast;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0463`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `em-refactor-lib`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "8b92fafa9d0ab72524828a3fa858aa24bd4fb20daecc59187df76e1e66f12c5b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b92fafa9d0ab72524828a3fa858aa24bd4fb20daecc59187df76e1e66f12c5b", kill_on_drop: false }`
[INFO] [stdout] 8b92fafa9d0ab72524828a3fa858aa24bd4fb20daecc59187df76e1e66f12c5b