[INFO] cloning repository https://github.com/rust-lang-nursery/rustfmt
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rust-lang-nursery/rustfmt" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frust-lang-nursery%2Frustfmt", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frust-lang-nursery%2Frustfmt'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0902edcb914390030b4d8e136c29e9927412bc08
[INFO] checking rust-lang-nursery/rustfmt against try#7c3a44cf5f95fa5cf164a312bdcf845157af7093 for pr-77325
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frust-lang-nursery%2Frustfmt" "/workspace/builds/worker-10/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rust-lang-nursery/rustfmt on toolchain 7c3a44cf5f95fa5cf164a312bdcf845157af7093
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7c3a44cf5f95fa5cf164a312bdcf845157af7093" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-10/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/rust-lang-nursery/rustfmt
[INFO] finished tweaking git repo https://github.com/rust-lang-nursery/rustfmt
[INFO] tweaked toml for git repo https://github.com/rust-lang-nursery/rustfmt written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/rust-lang-nursery/rustfmt already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7c3a44cf5f95fa5cf164a312bdcf845157af7093" "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-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+7c3a44cf5f95fa5cf164a312bdcf845157af7093" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3e807ae839fa593d87fdcd36bd52f05dadcffc3dbf80ed764a337d366b7d2ee6
[INFO] running `Command { std: "docker" "start" "-a" "3e807ae839fa593d87fdcd36bd52f05dadcffc3dbf80ed764a337d366b7d2ee6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3e807ae839fa593d87fdcd36bd52f05dadcffc3dbf80ed764a337d366b7d2ee6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3e807ae839fa593d87fdcd36bd52f05dadcffc3dbf80ed764a337d366b7d2ee6", kill_on_drop: false }`
[INFO] [stdout] 3e807ae839fa593d87fdcd36bd52f05dadcffc3dbf80ed764a337d366b7d2ee6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+7c3a44cf5f95fa5cf164a312bdcf845157af7093" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1d302570de6e00059895ea97273cfd821cdf18e949a99bcd4b6a716311c9928c
[INFO] running `Command { std: "docker" "start" "-a" "1d302570de6e00059895ea97273cfd821cdf18e949a99bcd4b6a716311c9928c", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.65
[INFO] [stderr]    Compiling version_check v0.9.1
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking ucd-trie v0.1.3
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling unicode-segmentation v1.3.0
[INFO] [stderr]    Compiling serde_json v1.0.59
[INFO] [stderr]     Checking same-file v1.0.5
[INFO] [stderr]     Checking itoa v0.4.4
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking humantime v2.1.0
[INFO] [stderr]     Checking either v1.5.3
[INFO] [stderr]    Compiling rustfmt-nightly v1.4.37 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking yansi-term v0.1.2
[INFO] [stderr]     Checking termcolor v1.0.5
[INFO] [stderr]     Checking bytecount v0.6.2
[INFO] [stderr]     Checking rustc-workspace-hack v1.0.0
[INFO] [stderr]     Checking diff v0.1.11
[INFO] [stderr]     Checking unicode_categories v0.1.1
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]     Checking anyhow v1.0.25
[INFO] [stderr]     Checking atty v0.2.13
[INFO] [stderr]     Checking dirs-sys v0.3.6
[INFO] [stderr]     Checking bstr v0.2.8
[INFO] [stderr]     Checking regex v1.4.3
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]     Checking walkdir v2.2.9
[INFO] [stderr]     Checking annotate-snippets v0.8.0
[INFO] [stderr]     Checking dirs v2.0.2
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking pest v2.1.3
[INFO] [stderr]     Checking term v0.6.1
[INFO] [stderr]    Compiling proc-macro-error-attr v0.4.11
[INFO] [stderr]    Compiling proc-macro-error v0.4.11
[INFO] [stderr]    Compiling quote v1.0.6
[INFO] [stderr]    Compiling crossbeam-utils v0.8.3
[INFO] [stderr]     Checking globset v0.4.6
[INFO] [stderr]     Checking env_logger v0.8.1
[INFO] [stderr]     Checking ignore v0.4.17
[INFO] [stderr]     Checking semver-parser v0.10.2
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling thiserror-impl v1.0.6
[INFO] [stderr]    Compiling rustfmt-config_proc_macro v0.2.0 (/opt/rustwide/workdir/config_proc_macro)
[INFO] [stderr]    Compiling derive-new v0.5.8
[INFO] [stderr]     Checking thiserror v1.0.6
[INFO] [stderr]    Compiling structopt-derive v0.4.4
[INFO] [stderr]     Checking structopt v0.3.11
[INFO] [stderr]     Checking semver v0.11.0
[INFO] [stderr]     Checking cargo-platform v0.1.1
[INFO] [stderr]     Checking toml v0.5.3
[INFO] [stderr]     Checking cargo_metadata v0.12.3
[INFO] [stdout] error[E0463]: can't find crate for `rustc_ast`
[INFO] [stdout]   --> src/lib.rs:15:1
[INFO] [stdout]    |
[INFO] [stdout] 15 | 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 `rustfmt-nightly`
[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] [stdout] error[E0463]: can't find crate for `rustc_ast`
[INFO] [stdout]   --> src/lib.rs:15:1
[INFO] [stdout]    |
[INFO] [stdout] 15 | 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: build failed
[INFO] running `Command { std: "docker" "inspect" "1d302570de6e00059895ea97273cfd821cdf18e949a99bcd4b6a716311c9928c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d302570de6e00059895ea97273cfd821cdf18e949a99bcd4b6a716311c9928c", kill_on_drop: false }`
[INFO] [stdout] 1d302570de6e00059895ea97273cfd821cdf18e949a99bcd4b6a716311c9928c