[INFO] updating cached repository https://github.com/unixsuperhero/xt
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2bf6ae89ea533aba2dada50c6d06a7796f98f21d
[INFO] checking unixsuperhero/xt against try#a7a572ce3edd6d476191fbfe92c9c1986e009b34 for pr-87190-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Funixsuperhero%2Fxt" "/workspace/builds/worker-106/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-106/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/unixsuperhero/xt 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/unixsuperhero/xt
[INFO] finished tweaking git repo https://github.com/unixsuperhero/xt
[INFO] tweaked toml for git repo https://github.com/unixsuperhero/xt written to /workspace/builds/worker-106/source/Cargo.toml
[INFO] crate git repo https://github.com/unixsuperhero/xt 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-106/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/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] 66782d5e340b44488b84750d99150f2cd5f38603aeea18a064cf9feafa2a80e0
[INFO] running `Command { std: "docker" "start" "-a" "66782d5e340b44488b84750d99150f2cd5f38603aeea18a064cf9feafa2a80e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "66782d5e340b44488b84750d99150f2cd5f38603aeea18a064cf9feafa2a80e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "66782d5e340b44488b84750d99150f2cd5f38603aeea18a064cf9feafa2a80e0", kill_on_drop: false }`
[INFO] [stdout] 66782d5e340b44488b84750d99150f2cd5f38603aeea18a064cf9feafa2a80e0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/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] 2edc875506fef039455f83168a292cfb756998bf410030ec176cfc148226b81c
[INFO] running `Command { std: "docker" "start" "-a" "2edc875506fef039455f83168a292cfb756998bf410030ec176cfc148226b81c", 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 encoding_index_tests v0.1.4
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]     Checking slab v0.4.3
[INFO] [stderr]     Checking encoding-index-korean v1.20141219.5
[INFO] [stderr]     Checking encoding-index-japanese v1.20141219.5
[INFO] [stderr]     Checking encoding-index-tradchinese v1.20141219.5
[INFO] [stderr]     Checking encoding-index-singlebyte v1.20141219.5
[INFO] [stderr]     Checking encoding-index-simpchinese v1.20141219.5
[INFO] [stderr]     Checking encoding v0.2.33
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking bstr v0.2.16
[INFO] [stderr]     Checking csv v1.1.6
[INFO] [stderr]     Checking xt v0.3.0 (/tmp/fixit)
[INFO] [stderr]    Migrating src/main.rs from 2018 edition to 2021
[INFO] [stderr]        Fixed src/database.rs (2 fixes)
[INFO] [stdout] warning: struct is never constructed: `Area`
[INFO] [stdout]  --> src/area.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct Area {
[INFO] [stdout]   |            ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `row_rng`
[INFO] [stdout]   --> src/area.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 12 |     pub fn row_rng(&self) -> RangeInclusive<usize> {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `col_rng`
[INFO] [stdout]   --> src/area.rs:16:12
[INFO] [stdout]    |
[INFO] [stdout] 16 |     pub fn col_rng(&self) -> RangeInclusive<usize> {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `row_cnt`
[INFO] [stdout]   --> src/area.rs:20:12
[INFO] [stdout]    |
[INFO] [stdout] 20 |     pub fn row_cnt(&self) -> usize {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `col_cnt`
[INFO] [stdout]   --> src/area.rs:24:12
[INFO] [stdout]    |
[INFO] [stdout] 24 |     pub fn col_cnt(&self) -> usize {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `size`
[INFO] [stdout]   --> src/area.rs:28:12
[INFO] [stdout]    |
[INFO] [stdout] 28 |     pub fn size(&self) -> usize {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `current_table`
[INFO] [stdout]   --> src/database.rs:91:12
[INFO] [stdout]    |
[INFO] [stdout] 91 |     pub fn current_table(&self) -> Option<&Table> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `dbl_vec_area`
[INFO] [stdout]   --> src/database.rs:98:8
[INFO] [stdout]    |
[INFO] [stdout] 98 |     fn dbl_vec_area(dblvec: &[Vec<String>]) -> Pos {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `from_widths`
[INFO] [stdout]    --> src/database.rs:199:12
[INFO] [stdout]     |
[INFO] [stdout] 199 |     pub fn from_widths(widths: Vec<usize>) -> Vec<Column> {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `current_table`
[INFO] [stdout]   --> src/database.rs:91:12
[INFO] [stdout]    |
[INFO] [stdout] 91 |     pub fn current_table(&self) -> Option<&Table> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `dbl_vec_area`
[INFO] [stdout]   --> src/database.rs:98:8
[INFO] [stdout]    |
[INFO] [stdout] 98 |     fn dbl_vec_area(dblvec: &[Vec<String>]) -> Pos {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `from_widths`
[INFO] [stdout]    --> src/database.rs:199:12
[INFO] [stdout]     |
[INFO] [stdout] 199 |     pub fn from_widths(widths: Vec<usize>) -> Vec<Column> {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 37.87s
[INFO] [stderr] Running `cargo check` to verify 2021
[INFO] [stderr]     Checking xt v0.3.0 (/tmp/fixit)
[INFO] [stdout] warning: struct is never constructed: `Area`
[INFO] [stdout]  --> src/area.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct Area {
[INFO] [stdout]   |            ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `row_rng`
[INFO] [stdout]   --> src/area.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 12 |     pub fn row_rng(&self) -> RangeInclusive<usize> {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `col_rng`
[INFO] [stdout]   --> src/area.rs:16:12
[INFO] [stdout]    |
[INFO] [stdout] 16 |     pub fn col_rng(&self) -> RangeInclusive<usize> {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `row_cnt`
[INFO] [stdout]   --> src/area.rs:20:12
[INFO] [stdout]    |
[INFO] [stdout] 20 |     pub fn row_cnt(&self) -> usize {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `col_cnt`
[INFO] [stdout]   --> src/area.rs:24:12
[INFO] [stdout]    |
[INFO] [stdout] 24 |     pub fn col_cnt(&self) -> usize {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `size`
[INFO] [stdout]   --> src/area.rs:28:12
[INFO] [stdout]    |
[INFO] [stdout] 28 |     pub fn size(&self) -> usize {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `current_table`
[INFO] [stdout]   --> src/database.rs:91:12
[INFO] [stdout]    |
[INFO] [stdout] 91 |     pub fn current_table(&self) -> Option<&Table> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `dbl_vec_area`
[INFO] [stdout]   --> src/database.rs:98:8
[INFO] [stdout]    |
[INFO] [stdout] 98 |     fn dbl_vec_area(dblvec: &[Vec<String>]) -> Pos {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `from_widths`
[INFO] [stdout]    --> src/database.rs:199:12
[INFO] [stdout]     |
[INFO] [stdout] 199 |     pub fn from_widths(widths: Vec<usize>) -> Vec<Column> {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `current_table`
[INFO] [stdout]   --> src/database.rs:91:12
[INFO] [stdout]    |
[INFO] [stdout] 91 |     pub fn current_table(&self) -> Option<&Table> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `dbl_vec_area`
[INFO] [stdout]   --> src/database.rs:98:8
[INFO] [stdout]    |
[INFO] [stdout] 98 |     fn dbl_vec_area(dblvec: &[Vec<String>]) -> Pos {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `from_widths`
[INFO] [stdout]    --> src/database.rs:199:12
[INFO] [stdout]     |
[INFO] [stdout] 199 |     pub fn from_widths(widths: Vec<usize>) -> Vec<Column> {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.40s
[INFO] running `Command { std: "docker" "inspect" "2edc875506fef039455f83168a292cfb756998bf410030ec176cfc148226b81c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2edc875506fef039455f83168a292cfb756998bf410030ec176cfc148226b81c", kill_on_drop: false }`
[INFO] [stdout] 2edc875506fef039455f83168a292cfb756998bf410030ec176cfc148226b81c