[INFO] cloning repository https://github.com/saguUU/tower
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/saguUU/tower" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FsaguUU%2Ftower", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FsaguUU%2Ftower'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e9225a969d5ce5c134910e93a9f1e3f54b51a6ca
[INFO] checking saguUU/tower against try#a7a572ce3edd6d476191fbfe92c9c1986e009b34 for pr-87190-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FsaguUU%2Ftower" "/workspace/builds/worker-69/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-69/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/saguUU/tower 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/saguUU/tower
[INFO] finished tweaking git repo https://github.com/saguUU/tower
[INFO] tweaked toml for git repo https://github.com/saguUU/tower written to /workspace/builds/worker-69/source/Cargo.toml
[INFO] crate git repo https://github.com/saguUU/tower 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-69/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-69/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] db8aa5a604fb9946337462afbcdbb313f36c51f4ca66996a7ce7276a52af7e9e
[INFO] running `Command { std: "docker" "start" "-a" "db8aa5a604fb9946337462afbcdbb313f36c51f4ca66996a7ce7276a52af7e9e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "db8aa5a604fb9946337462afbcdbb313f36c51f4ca66996a7ce7276a52af7e9e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "db8aa5a604fb9946337462afbcdbb313f36c51f4ca66996a7ce7276a52af7e9e", kill_on_drop: false }`
[INFO] [stdout] db8aa5a604fb9946337462afbcdbb313f36c51f4ca66996a7ce7276a52af7e9e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-69/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-69/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] e076c2c712a7ca885c85bb3b2cb77ea09234b60aa13671cd27b634894e67219e
[INFO] running `Command { std: "docker" "start" "-a" "e076c2c712a7ca885c85bb3b2cb77ea09234b60aa13671cd27b634894e67219e", 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]     Checking tower v0.1.0 (/tmp/fixit)
[INFO] [stderr]    Migrating src/main.rs from 2018 edition to 2021
[INFO] [stdout] error: expected expression, found `}`
[INFO] [stdout]    --> src/main.rs:866:21
[INFO] [stdout]     |
[INFO] [stdout] 865 |                         Statement::If(_, if_statement) | Statement::IfNot(_, if_statement) => 
[INFO] [stdout]     |                                                                                            -- while parsing the `match` arm starting here
[INFO] [stdout] 866 |                     }
[INFO] [stdout]     |                     ^ expected expression
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0317]: `if` may be missing an `else` clause
[INFO] [stdout]    --> src/main.rs:863:17
[INFO] [stdout]     |
[INFO] [stdout] 863 |  /                 if let Some(last_statement) = statements.last() {
[INFO] [stdout] 864 |  |                     match last_statement {
[INFO] [stdout]     |  |_____________________-
[INFO] [stdout] 865 | ||                         Statement::If(_, if_statement) | Statement::IfNot(_, if_statement) => 
[INFO] [stdout] 866 | ||                     }
[INFO] [stdout]     | ||_____________________- found here
[INFO] [stdout] 867 |  |                 }
[INFO] [stdout]     |  |_________________^ expected `()`, found tuple
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected unit type `()`
[INFO] [stdout]                    found tuple `(Statement, usize)`
[INFO] [stdout]     = note: `if` expressions without `else` evaluate to `()`
[INFO] [stdout]     = help: consider adding an `else` block that evaluates to the expected type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `tower` due to 3 previous errors
[INFO] [stdout] For more information about this error, try `rustc --explain E0317`.
[INFO] [stdout] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: expected expression, found `}`
[INFO] [stdout]    --> src/main.rs:866:21
[INFO] [stdout]     |
[INFO] [stdout] 865 |                         Statement::If(_, if_statement) | Statement::IfNot(_, if_statement) => 
[INFO] [stdout]     |                                                                                            -- while parsing the `match` arm starting here
[INFO] [stdout] 866 |                     }
[INFO] [stdout]     |                     ^ expected expression
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0317]: `if` may be missing an `else` clause
[INFO] [stdout]    --> src/main.rs:863:17
[INFO] [stdout]     |
[INFO] [stdout] 863 |  /                 if let Some(last_statement) = statements.last() {
[INFO] [stdout] 864 |  |                     match last_statement {
[INFO] [stdout]     |  |_____________________-
[INFO] [stdout] 865 | ||                         Statement::If(_, if_statement) | Statement::IfNot(_, if_statement) => 
[INFO] [stdout] 866 | ||                     }
[INFO] [stdout]     | ||_____________________- found here
[INFO] [stdout] 867 |  |                 }
[INFO] [stdout]     |  |_________________^ expected `()`, found tuple
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected unit type `()`
[INFO] [stdout]                    found tuple `(Statement, usize)`
[INFO] [stdout]     = note: `if` expressions without `else` evaluate to `()`
[INFO] [stdout]     = help: consider adding an `else` block that evaluates to the expected type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0317`.
[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" "e076c2c712a7ca885c85bb3b2cb77ea09234b60aa13671cd27b634894e67219e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e076c2c712a7ca885c85bb3b2cb77ea09234b60aa13671cd27b634894e67219e", kill_on_drop: false }`
[INFO] [stdout] e076c2c712a7ca885c85bb3b2cb77ea09234b60aa13671cd27b634894e67219e