[INFO] cloning repository https://github.com/shelvacu/genetic-fws
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/shelvacu/genetic-fws" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshelvacu%2Fgenetic-fws", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshelvacu%2Fgenetic-fws'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 20237e44496ad271f048b4db87249ecd1ed4fa4e
[INFO] checking shelvacu/genetic-fws against try#0cb362313295507a2f4321c0e30cea0168f2fe71 for pr-138961-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshelvacu%2Fgenetic-fws" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/shelvacu/genetic-fws
[INFO] finished tweaking git repo https://github.com/shelvacu/genetic-fws
[INFO] tweaked toml for git repo https://github.com/shelvacu/genetic-fws written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/shelvacu/genetic-fws on toolchain 0cb362313295507a2f4321c0e30cea0168f2fe71
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0cb362313295507a2f4321c0e30cea0168f2fe71" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/shelvacu/genetic-fws already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0cb362313295507a2f4321c0e30cea0168f2fe71" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] checking shelvacu/genetic-fws against try#0cb362313295507a2f4321c0e30cea0168f2fe71 for pr-138961-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshelvacu%2Fgenetic-fws" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/shelvacu/genetic-fws
[INFO] finished tweaking git repo https://github.com/shelvacu/genetic-fws
[INFO] tweaked toml for git repo https://github.com/shelvacu/genetic-fws written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/shelvacu/genetic-fws on toolchain 0cb362313295507a2f4321c0e30cea0168f2fe71
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0cb362313295507a2f4321c0e30cea0168f2fe71" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/shelvacu/genetic-fws already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0cb362313295507a2f4321c0e30cea0168f2fe71" "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 decorum v0.3.1
[INFO] [stderr]   Downloaded libflate_lz77 v1.0.0
[INFO] [stderr]   Downloaded libflate v1.0.3
[INFO] [stderr]   Downloaded serde_json v1.0.62
[INFO] [stderr]   Downloaded libc v0.2.84
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+0cb362313295507a2f4321c0e30cea0168f2fe71" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b063209bc960a38cfaf8758f726b65d87f1f2f2fd75ef6380bbfbc418a40fef9
[INFO] running `Command { std: "docker" "start" "-a" "b063209bc960a38cfaf8758f726b65d87f1f2f2fd75ef6380bbfbc418a40fef9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b063209bc960a38cfaf8758f726b65d87f1f2f2fd75ef6380bbfbc418a40fef9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b063209bc960a38cfaf8758f726b65d87f1f2f2fd75ef6380bbfbc418a40fef9", kill_on_drop: false }`
[INFO] [stdout] b063209bc960a38cfaf8758f726b65d87f1f2f2fd75ef6380bbfbc418a40fef9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+0cb362313295507a2f4321c0e30cea0168f2fe71" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7a049ccb9cad8338d3470aa2244614d0cb65167b7e3daab828813fc3433717f2
[INFO] running `Command { std: "docker" "start" "-a" "7a049ccb9cad8338d3470aa2244614d0cb65167b7e3daab828813fc3433717f2", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.84
[INFO] [stderr]    Compiling serde v1.0.123
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling serde_derive v1.0.123
[INFO] [stderr]    Compiling serde_json v1.0.62
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]     Checking rle-decode-fast v1.0.1
[INFO] [stderr]     Checking libflate_lz77 v1.0.0
[INFO] [stderr]     Checking libflate v1.0.3
[INFO] [stderr]     Checking getrandom v0.2.2
[INFO] [stderr]     Checking rand_core v0.6.1
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]     Checking rand v0.8.3
[INFO] [stderr]     Checking approx v0.3.2
[INFO] [stderr]     Checking decorum v0.3.1
[INFO] [stderr]     Checking fws2 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: expected one of `)`, `,`, `.`, `?`, or an operator, found `:`
[INFO] [stdout]    --> src/main.rs:107:83
[INFO] [stdout]     |
[INFO] [stdout] 107 |         state.memory_mut()[i+1] = word[i].map(|f| CharSet::default().set(f).into():u32).unwrap_or_default();
[INFO] [stdout]     |                                                                                   ^ expected one of `)`, `,`, `.`, `?`, or an operator
[INFO] [stdout]     |
[INFO] [stdout] help: maybe write a path separator here
[INFO] [stdout]     |
[INFO] [stdout] 107 |         state.memory_mut()[i+1] = word[i].map(|f| CharSet::default().set(f).into()::u32).unwrap_or_default();
[INFO] [stdout]     |                                                                                    +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected `{`, found `:`
[INFO] [stdout]    --> src/main.rs:147:78
[INFO] [stdout]     |
[INFO] [stdout] 147 |             if let Ok(word_vec) = line.chars().map(FChar::try_from).collect():Result<Vec<FChar>,_> {
[INFO] [stdout]     |                                                                              ^ expected `{`
[INFO] [stdout]     |
[INFO] [stdout] note: the `if` expression is missing a block after this condition
[INFO] [stdout]    --> src/main.rs:147:16
[INFO] [stdout]     |
[INFO] [stdout] 147 |             if let Ok(word_vec) = line.chars().map(FChar::try_from).collect():Result<Vec<FChar>,_> {
[INFO] [stdout]     |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] help: maybe write a path separator here
[INFO] [stdout]     |
[INFO] [stdout] 147 |             if let Ok(word_vec) = line.chars().map(FChar::try_from).collect()::Result<Vec<FChar>,_> {
[INFO] [stdout]     |                                                                               +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected `{`, found `:`
[INFO] [stdout]    --> src/main.rs:289:38
[INFO] [stdout]     |
[INFO] [stdout] 289 |                     _ => if rng.gen():bool { genes.append(&mut b.block) },
[INFO] [stdout]     |                       --             ^ expected `{`
[INFO] [stdout]     |                       |
[INFO] [stdout]     |                       while parsing the `match` arm starting here
[INFO] [stdout]     |
[INFO] [stdout] note: the `if` expression is missing a block after this condition
[INFO] [stdout]    --> src/main.rs:289:29
[INFO] [stdout]     |
[INFO] [stdout] 289 |                     _ => if rng.gen():bool { genes.append(&mut b.block) },
[INFO] [stdout]     |                             ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected one of `.`, `?`, `{`, or an operator, found `:`
[INFO] [stdout]   --> src/fchar.rs:72:25
[INFO] [stdout]    |
[INFO] [stdout] 72 |         match f.0.into():u8 {
[INFO] [stdout]    |         -----           ^ expected one of `.`, `?`, `{`, or an operator
[INFO] [stdout]    |         |
[INFO] [stdout]    |         while parsing this `match` expression
[INFO] [stdout]    |
[INFO] [stdout] help: maybe write a path separator here
[INFO] [stdout]    |
[INFO] [stdout] 72 |         match f.0.into()::u8 {
[INFO] [stdout]    |                          +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected one of `.`, `?`, `{`, or an operator, found `:`
[INFO] [stdout]   --> src/fchar.rs:99:25
[INFO] [stdout]    |
[INFO] [stdout] 99 |         match c.0.into():u8 {
[INFO] [stdout]    |         -----           ^ expected one of `.`, `?`, `{`, or an operator
[INFO] [stdout]    |         |
[INFO] [stdout]    |         while parsing this `match` expression
[INFO] [stdout]    |
[INFO] [stdout] help: maybe write a path separator here
[INFO] [stdout]    |
[INFO] [stdout] 99 |         match c.0.into()::u8 {
[INFO] [stdout]    |                          +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected one of `.`, `?`, `{`, or an operator, found `:`
[INFO] [stdout]    --> src/fchar.rs:107:25
[INFO] [stdout]     |
[INFO] [stdout] 107 |         match c.0.into():u8 {
[INFO] [stdout]     |         -----           ^ expected one of `.`, `?`, `{`, or an operator
[INFO] [stdout]     |         |
[INFO] [stdout]     |         while parsing this `match` expression
[INFO] [stdout]     |
[INFO] [stdout] help: maybe write a path separator here
[INFO] [stdout]     |
[INFO] [stdout] 107 |         match c.0.into()::u8 {
[INFO] [stdout]     |                          +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected one of `.`, `?`, `{`, or an operator, found `:`
[INFO] [stdout]    --> src/fchar.rs:114:25
[INFO] [stdout]     |
[INFO] [stdout] 114 |         match c.0.into():u8 {
[INFO] [stdout]     |         -----           ^ expected one of `.`, `?`, `{`, or an operator
[INFO] [stdout]     |         |
[INFO] [stdout]     |         while parsing this `match` expression
[INFO] [stdout]     |
[INFO] [stdout] help: maybe write a path separator here
[INFO] [stdout]     |
[INFO] [stdout] 114 |         match c.0.into()::u8 {
[INFO] [stdout]     |                          +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected one of `)`, `,`, `.`, `?`, or an operator, found `:`
[INFO] [stdout]   --> src/genetics.rs:97:94
[INFO] [stdout]    |
[INFO] [stdout] 97 |         let nums:Vec<_> = res.iter().map(|g| (g.ty, g.block.iter().map(|n| n.order).collect():Vec<_>)).collect();
[INFO] [stdout]    |                                                                                              ^ expected one of `)`, `,`, `.`, `?`, or an operator
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected one of `,`, `.`, `?`, or an operator, found `:`
[INFO] [stdout]   --> src/fchar.rs:30:40
[INFO] [stdout]    |
[INFO] [stdout] 30 |         write!(f, "F{}", (*self).into():char)
[INFO] [stdout]    |                                        ^ expected one of `,`, `.`, `?`, or an operator
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected one of `)`, `,`, `.`, `?`, or an operator, found `:`
[INFO] [stdout]    --> src/fchar.rs:123:67
[INFO] [stdout]     |
[INFO] [stdout] 123 |         write!(f, "CharSet({})", self.into_iter().map(|f| f.into():char).collect::<String>())
[INFO] [stdout]     |                                                                   ^ expected one of `)`, `,`, `.`, `?`, or an operator
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected one of `)`, `,`, `.`, `?`, or an operator, found `:`
[INFO] [stdout]    --> src/main.rs:107:83
[INFO] [stdout]     |
[INFO] [stdout] 107 |         state.memory_mut()[i+1] = word[i].map(|f| CharSet::default().set(f).into():u32).unwrap_or_default();
[INFO] [stdout]     |                                                                                   ^ expected one of `)`, `,`, `.`, `?`, or an operator
[INFO] [stdout]     |
[INFO] [stdout] help: maybe write a path separator here
[INFO] [stdout]     |
[INFO] [stdout] 107 |         state.memory_mut()[i+1] = word[i].map(|f| CharSet::default().set(f).into()::u32).unwrap_or_default();
[INFO] [stdout]     |                                                                                    +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected `{`, found `:`
[INFO] [stdout]    --> src/main.rs:147:78
[INFO] [stdout]     |
[INFO] [stdout] 147 |             if let Ok(word_vec) = line.chars().map(FChar::try_from).collect():Result<Vec<FChar>,_> {
[INFO] [stdout]     |                                                                              ^ expected `{`
[INFO] [stdout]     |
[INFO] [stdout] note: the `if` expression is missing a block after this condition
[INFO] [stdout]    --> src/main.rs:147:16
[INFO] [stdout]     |
[INFO] [stdout] 147 |             if let Ok(word_vec) = line.chars().map(FChar::try_from).collect():Result<Vec<FChar>,_> {
[INFO] [stdout]     |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] help: maybe write a path separator here
[INFO] [stdout]     |
[INFO] [stdout] 147 |             if let Ok(word_vec) = line.chars().map(FChar::try_from).collect()::Result<Vec<FChar>,_> {
[INFO] [stdout]     |                                                                               +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected `{`, found `:`
[INFO] [stdout]    --> src/main.rs:289:38
[INFO] [stdout]     |
[INFO] [stdout] 289 |                     _ => if rng.gen():bool { genes.append(&mut b.block) },
[INFO] [stdout]     |                       --             ^ expected `{`
[INFO] [stdout]     |                       |
[INFO] [stdout]     |                       while parsing the `match` arm starting here
[INFO] [stdout]     |
[INFO] [stdout] note: the `if` expression is missing a block after this condition
[INFO] [stdout]    --> src/main.rs:289:29
[INFO] [stdout]     |
[INFO] [stdout] 289 |                     _ => if rng.gen():bool { genes.append(&mut b.block) },
[INFO] [stdout]     |                             ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected one of `.`, `?`, `{`, or an operator, found `:`
[INFO] [stdout]   --> src/fchar.rs:72:25
[INFO] [stdout]    |
[INFO] [stdout] 72 |         match f.0.into():u8 {
[INFO] [stdout]    |         -----           ^ expected one of `.`, `?`, `{`, or an operator
[INFO] [stdout]    |         |
[INFO] [stdout]    |         while parsing this `match` expression
[INFO] [stdout]    |
[INFO] [stdout] help: maybe write a path separator here
[INFO] [stdout]    |
[INFO] [stdout] 72 |         match f.0.into()::u8 {
[INFO] [stdout]    |                          +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected one of `.`, `?`, `{`, or an operator, found `:`
[INFO] [stdout]   --> src/fchar.rs:99:25
[INFO] [stdout]    |
[INFO] [stdout] 99 |         match c.0.into():u8 {
[INFO] [stdout]    |         -----           ^ expected one of `.`, `?`, `{`, or an operator
[INFO] [stdout]    |         |
[INFO] [stdout]    |         while parsing this `match` expression
[INFO] [stdout]    |
[INFO] [stdout] help: maybe write a path separator here
[INFO] [stdout]    |
[INFO] [stdout] 99 |         match c.0.into()::u8 {
[INFO] [stdout]    |                          +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected one of `.`, `?`, `{`, or an operator, found `:`
[INFO] [stdout]    --> src/fchar.rs:107:25
[INFO] [stdout]     |
[INFO] [stdout] 107 |         match c.0.into():u8 {
[INFO] [stdout]     |         -----           ^ expected one of `.`, `?`, `{`, or an operator
[INFO] [stdout]     |         |
[INFO] [stdout]     |         while parsing this `match` expression
[INFO] [stdout]     |
[INFO] [stdout] help: maybe write a path separator here
[INFO] [stdout]     |
[INFO] [stdout] 107 |         match c.0.into()::u8 {
[INFO] [stdout]     |                          +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected one of `.`, `?`, `{`, or an operator, found `:`
[INFO] [stdout]    --> src/fchar.rs:114:25
[INFO] [stdout]     |
[INFO] [stdout] 114 |         match c.0.into():u8 {
[INFO] [stdout]     |         -----           ^ expected one of `.`, `?`, `{`, or an operator
[INFO] [stdout]     |         |
[INFO] [stdout]     |         while parsing this `match` expression
[INFO] [stdout]     |
[INFO] [stdout] help: maybe write a path separator here
[INFO] [stdout]     |
[INFO] [stdout] 114 |         match c.0.into()::u8 {
[INFO] [stdout]     |                          +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected one of `)`, `,`, `.`, `?`, or an operator, found `:`
[INFO] [stdout]   --> src/genetics.rs:97:94
[INFO] [stdout]    |
[INFO] [stdout] 97 |         let nums:Vec<_> = res.iter().map(|g| (g.ty, g.block.iter().map(|n| n.order).collect():Vec<_>)).collect();
[INFO] [stdout]    |                                                                                              ^ expected one of `)`, `,`, `.`, `?`, or an operator
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected one of `,`, `.`, `?`, or an operator, found `:`
[INFO] [stdout]    --> src/main.rs:350:54
[INFO] [stdout]     |
[INFO] [stdout] 350 |                 print!("{} ", s[i][j].unwrap().into():char);
[INFO] [stdout]     |                                                      ^ expected one of `,`, `.`, `?`, or an operator
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected one of `,`, `.`, `?`, or an operator, found `:`
[INFO] [stdout]   --> src/fchar.rs:30:40
[INFO] [stdout]    |
[INFO] [stdout] 30 |         write!(f, "F{}", (*self).into():char)
[INFO] [stdout]    |                                        ^ expected one of `,`, `.`, `?`, or an operator
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected one of `)`, `,`, `.`, `?`, or an operator, found `:`
[INFO] [stdout]    --> src/fchar.rs:123:67
[INFO] [stdout]     |
[INFO] [stdout] 123 |         write!(f, "CharSet({})", self.into_iter().map(|f| f.into():char).collect::<String>())
[INFO] [stdout]     |                                                                   ^ expected one of `)`, `,`, `.`, `?`, or an operator
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `exclusive_range_pattern` has been stable since 1.80.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/main.rs:1:27
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(array_methods, exclusive_range_pattern, type_ascription, total_cmp)]
[INFO] [stdout]   |                           ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `array_methods` has been stable since 1.77.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/main.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(array_methods, exclusive_range_pattern, type_ascription, total_cmp)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `total_cmp` has been stable since 1.62.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/main.rs:1:69
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(array_methods, exclusive_range_pattern, type_ascription, total_cmp)]
[INFO] [stdout]   |                                                                     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected one of `,`, `.`, `?`, or an operator, found `:`
[INFO] [stdout]    --> src/main.rs:350:54
[INFO] [stdout]     |
[INFO] [stdout] 350 |                 print!("{} ", s[i][j].unwrap().into():char);
[INFO] [stdout]     |                                                      ^ expected one of `,`, `.`, `?`, or an operator
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `exclusive_range_pattern` has been stable since 1.80.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/main.rs:1:27
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(array_methods, exclusive_range_pattern, type_ascription, total_cmp)]
[INFO] [stdout]   |                           ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `array_methods` has been stable since 1.77.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/main.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(array_methods, exclusive_range_pattern, type_ascription, total_cmp)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `total_cmp` has been stable since 1.62.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/main.rs:1:69
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(array_methods, exclusive_range_pattern, type_ascription, total_cmp)]
[INFO] [stdout]   |                                                                     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `fws2` (bin "fws2" test) due to 11 previous errors; 3 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `fws2` (bin "fws2") due to 11 previous errors; 3 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "7a049ccb9cad8338d3470aa2244614d0cb65167b7e3daab828813fc3433717f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a049ccb9cad8338d3470aa2244614d0cb65167b7e3daab828813fc3433717f2", kill_on_drop: false }`
[INFO] [stdout] 7a049ccb9cad8338d3470aa2244614d0cb65167b7e3daab828813fc3433717f2
