[INFO] cloning repository https://github.com/ear7h/wiki
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ear7h/wiki" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fear7h%2Fwiki", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fear7h%2Fwiki'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 927e06d15b91229068487eeb2412a5e4d5b3ca42
[INFO] checking ear7h/wiki against try#a7a572ce3edd6d476191fbfe92c9c1986e009b34 for pr-87190-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fear7h%2Fwiki" "/workspace/builds/worker-85/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-85/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ear7h/wiki 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/ear7h/wiki
[INFO] finished tweaking git repo https://github.com/ear7h/wiki
[INFO] tweaked toml for git repo https://github.com/ear7h/wiki written to /workspace/builds/worker-85/source/Cargo.toml
[INFO] crate git repo https://github.com/ear7h/wiki 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-85/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-85/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] 4796a40bab6f3c36028609f5301de3fbfe041534d8a72bd5c0b5bfc0b49fe230
[INFO] running `Command { std: "docker" "start" "-a" "4796a40bab6f3c36028609f5301de3fbfe041534d8a72bd5c0b5bfc0b49fe230", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4796a40bab6f3c36028609f5301de3fbfe041534d8a72bd5c0b5bfc0b49fe230", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4796a40bab6f3c36028609f5301de3fbfe041534d8a72bd5c0b5bfc0b49fe230", kill_on_drop: false }`
[INFO] [stdout] 4796a40bab6f3c36028609f5301de3fbfe041534d8a72bd5c0b5bfc0b49fe230
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-85/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-85/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] 3ca8eb6af8f14324d5d888745b323451705d7e07ed1b7352ac9f2ff10149cd1f
[INFO] running `Command { std: "docker" "start" "-a" "3ca8eb6af8f14324d5d888745b323451705d7e07ed1b7352ac9f2ff10149cd1f", 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] 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]   libc v0.2.84: align
[INFO] [stderr] 
[INFO] [stderr]    Compiling libc v0.2.84
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking numtoa v0.1.0
[INFO] [stderr]     Checking aho-corasick v0.7.15 (/tmp/fixit/lib/aho-corasick)
[INFO] [stderr]     Checking nix v0.19.1
[INFO] [stderr]     Checking mio v0.7.7
[INFO] [stderr]     Checking termion v1.5.6
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> lib/aho-corasick/src/buffer.rs:99:13
[INFO] [stdout]     |
[INFO] [stdout] 98  |               return Ok(true);
[INFO] [stdout]     |               --------------- any code following this expression is unreachable
[INFO] [stdout] 99  | /             if self.len() >= self.min {
[INFO] [stdout] 100 | |                 return Ok(true);
[INFO] [stdout] 101 | |             }
[INFO] [stdout]     | |_____________^ unreachable expression
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `readany` is never read
[INFO] [stdout]   --> lib/aho-corasick/src/buffer.rs:96:13
[INFO] [stdout]    |
[INFO] [stdout] 96 |             readany = true;
[INFO] [stdout]    |             ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking wiki v0.1.0 (/tmp/fixit)
[INFO] [stderr]    Migrating src/lib.rs from 2018 edition to 2021
[INFO] [stdout] warning: associated function is never used: `new_match`
[INFO] [stdout]   --> src/tst.rs:33:8
[INFO] [stdout]    |
[INFO] [stdout] 33 |     fn new_match(k : K, v : V) -> Node <K, V>  {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Migrating src/bin/mkshell.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating src/bin/echokeys.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating src/bin/tst_test.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating src/main.rs from 2018 edition to 2021
[INFO] [stdout] warning: associated function is never used: `new_match`
[INFO] [stdout]   --> src/tst.rs:33:8
[INFO] [stdout]    |
[INFO] [stdout] 33 |     fn new_match(k : K, v : V) -> Node <K, V>  {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `core::str::utf8_char_width`
[INFO] [stdout]   --> src/bin/mkshell.rs:41:5
[INFO] [stdout]    |
[INFO] [stdout] 41 | use core::str::utf8_char_width;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^ no `utf8_char_width` in `str`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[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 E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `wiki` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: the feature `or_patterns` has been stable since 1.53.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/bin/echokeys.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(or_patterns)]
[INFO] [stdout]   |            ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new_match`
[INFO] [stdout]   --> src/bin/../tst.rs:33:8
[INFO] [stdout]    |
[INFO] [stdout] 33 |     fn new_match(k : K, v : V) -> Node <K, V>  {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `TstScannerValue`
[INFO] [stdout]    --> src/bin/../tst.rs:263:12
[INFO] [stdout]     |
[INFO] [stdout] 263 | pub struct TstScannerValue<K, V> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]    --> src/bin/../tst.rs:270:12
[INFO] [stdout]     |
[INFO] [stdout] 270 |     pub fn new(tst : Tst<K, V>) -> Self {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `scan`
[INFO] [stdout]    --> src/bin/../tst.rs:277:12
[INFO] [stdout]     |
[INFO] [stdout] 277 |     pub fn scan<'a>(&mut self, s : &'a [K]) -> (Option<&V>, &'a [K]) {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]    --> src/bin/../tst.rs:307:12
[INFO] [stdout]     |
[INFO] [stdout] 307 |     pub fn new<I, Ks>(pats : I) -> Tst<K, V>
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]        Fixed src/main.rs (4 fixes)
[INFO] [stdout] error[E0432]: unresolved import `core::str::utf8_char_width`
[INFO] [stdout]   --> src/bin/mkshell.rs:41:5
[INFO] [stdout]    |
[INFO] [stdout] 41 | use core::str::utf8_char_width;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^ no `utf8_char_width` in `str`
[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 E0432`.
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Unimplemented`
[INFO] [stdout]   --> src/main.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     Unimplemented,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `InvalidArgs`
[INFO] [stdout]   --> src/main.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     InvalidArgs(String),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_vertices_by_name`
[INFO] [stdout]    --> src/main.rs:130:8
[INFO] [stdout]     |
[INFO] [stdout] 130 |     fn get_vertices_by_name<'a, 'b>(&'a self, name : &'b str) ->
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `format_vertex`
[INFO] [stdout]    --> src/main.rs:136:8
[INFO] [stdout]     |
[INFO] [stdout] 136 |     fn format_vertex(&self, idx : usize) -> String {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `display`
[INFO] [stdout]    --> src/main.rs:151:5
[INFO] [stdout]     |
[INFO] [stdout] 151 |     display : Vec<(usize, Vec<usize>)>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `help`
[INFO] [stdout]    --> src/main.rs:280:8
[INFO] [stdout]     |
[INFO] [stdout] 280 |     fn help(s : &str) -> &'static str {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `or_patterns` has been stable since 1.53.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/bin/echokeys.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(or_patterns)]
[INFO] [stdout]   |            ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Unimplemented`
[INFO] [stdout]   --> src/main.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     Unimplemented,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `InvalidArgs`
[INFO] [stdout]   --> src/main.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     InvalidArgs(String),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_vertices_by_name`
[INFO] [stdout]    --> src/main.rs:130:8
[INFO] [stdout]     |
[INFO] [stdout] 130 |     fn get_vertices_by_name<'a, 'b>(&'a self, name : &'b str) ->
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `format_vertex`
[INFO] [stdout]    --> src/main.rs:136:8
[INFO] [stdout]     |
[INFO] [stdout] 136 |     fn format_vertex(&self, idx : usize) -> String {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `display`
[INFO] [stdout]    --> src/main.rs:151:5
[INFO] [stdout]     |
[INFO] [stdout] 151 |     display : Vec<(usize, Vec<usize>)>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `help`
[INFO] [stdout]    --> src/main.rs:280:8
[INFO] [stdout]     |
[INFO] [stdout] 280 |     fn help(s : &str) -> &'static str {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new_match`
[INFO] [stdout]   --> src/bin/../tst.rs:33:8
[INFO] [stdout]    |
[INFO] [stdout] 33 |     fn new_match(k : K, v : V) -> Node <K, V>  {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `TstScannerValue`
[INFO] [stdout]    --> src/bin/../tst.rs:263:12
[INFO] [stdout]     |
[INFO] [stdout] 263 | pub struct TstScannerValue<K, V> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]    --> src/bin/../tst.rs:270:12
[INFO] [stdout]     |
[INFO] [stdout] 270 |     pub fn new(tst : Tst<K, V>) -> Self {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] [stdout] warning: associated function is never used: `scan`
[INFO] [stdout]    --> src/bin/../tst.rs:277:12
[INFO] [stdout]     |
[INFO] [stdout] 277 |     pub fn scan<'a>(&mut self, s : &'a [K]) -> (Option<&V>, &'a [K]) {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: failed to migrate to next edition
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]    --> src/bin/../tst.rs:307:12
[INFO] [stdout]     |
[INFO] [stdout] 307 |     pub fn new<I, Ks>(pats : I) -> Tst<K, V>
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[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" "3ca8eb6af8f14324d5d888745b323451705d7e07ed1b7352ac9f2ff10149cd1f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ca8eb6af8f14324d5d888745b323451705d7e07ed1b7352ac9f2ff10149cd1f", kill_on_drop: false }`
[INFO] [stdout] 3ca8eb6af8f14324d5d888745b323451705d7e07ed1b7352ac9f2ff10149cd1f