[INFO] cloning repository https://github.com/luojia65/sysevr-diff
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/luojia65/sysevr-diff" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fluojia65%2Fsysevr-diff", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fluojia65%2Fsysevr-diff'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6c222fb345a3f925df223d19e47187556caf6d72
[INFO] checking luojia65/sysevr-diff against try#a7a572ce3edd6d476191fbfe92c9c1986e009b34 for pr-87190-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fluojia65%2Fsysevr-diff" "/workspace/builds/worker-17/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-17/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/luojia65/sysevr-diff 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/luojia65/sysevr-diff
[INFO] finished tweaking git repo https://github.com/luojia65/sysevr-diff
[INFO] tweaked toml for git repo https://github.com/luojia65/sysevr-diff written to /workspace/builds/worker-17/source/Cargo.toml
[INFO] crate git repo https://github.com/luojia65/sysevr-diff 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-17/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/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] 113e6034e6116a1973509d77bad4182c11895f3916b903ca9933541c5672de33
[INFO] running `Command { std: "docker" "start" "-a" "113e6034e6116a1973509d77bad4182c11895f3916b903ca9933541c5672de33", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "113e6034e6116a1973509d77bad4182c11895f3916b903ca9933541c5672de33", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "113e6034e6116a1973509d77bad4182c11895f3916b903ca9933541c5672de33", kill_on_drop: false }`
[INFO] [stdout] 113e6034e6116a1973509d77bad4182c11895f3916b903ca9933541c5672de33
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/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] 16e667dea98f448a9bf54b8bc423295e2752616482eba584fb5bc2526aad0411
[INFO] running `Command { std: "docker" "start" "-a" "16e667dea98f448a9bf54b8bc423295e2752616482eba584fb5bc2526aad0411", 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]    Compiling libc v0.2.73
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.33.1
[INFO] [stderr]     Checking sysevr-diff v0.1.0 (/tmp/fixit)
[INFO] [stderr]    Migrating src/main.rs from 2018 edition to 2021
[INFO] [stderr]        Fixed src/format.rs (1 fix)
[INFO] [stderr]        Fixed src/main.rs (1 fix)
[INFO] [stderr]        Fixed src/cv.rs (3 fixes)
[INFO] [stdout] warning: value assigned to `line_end` is never read
[INFO] [stdout]   --> src/format.rs:78:17
[INFO] [stdout]    |
[INFO] [stdout] 78 |         let mut line_end = line_start;
[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: value assigned to `skip` is never read
[INFO] [stdout]    --> src/format.rs:274:17
[INFO] [stdout]     |
[INFO] [stdout] 274 |         let mut skip = 0;
[INFO] [stdout]     |                 ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `line_end` is never read
[INFO] [stdout]   --> src/format.rs:78:17
[INFO] [stdout]    |
[INFO] [stdout] 78 |         let mut line_end = line_start;
[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: value assigned to `skip` is never read
[INFO] [stdout]    --> src/format.rs:274:17
[INFO] [stdout]     |
[INFO] [stdout] 274 |         let mut skip = 0;
[INFO] [stdout]     |                 ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `add_lines`
[INFO] [stdout]   --> src/format.rs:12:4
[INFO] [stdout]    |
[INFO] [stdout] 12 | fn add_lines(input: &str) -> impl Iterator<Item = &str> {
[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: `line_number`
[INFO] [stdout]   --> src/format.rs:29:12
[INFO] [stdout]    |
[INFO] [stdout] 29 |     pub fn line_number(&self) -> usize {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `add_lines`
[INFO] [stdout]   --> src/format.rs:12:4
[INFO] [stdout]    |
[INFO] [stdout] 12 | fn add_lines(input: &str) -> impl Iterator<Item = &str> {
[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: `line_number`
[INFO] [stdout]   --> src/format.rs:29:12
[INFO] [stdout]    |
[INFO] [stdout] 29 |     pub fn line_number(&self) -> usize {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.80s
[INFO] [stderr] Running `cargo check` to verify 2021
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking sysevr-diff v0.1.0 (/tmp/fixit)
[INFO] [stdout] warning: value assigned to `line_end` is never read
[INFO] [stdout]   --> src/format.rs:78:17
[INFO] [stdout]    |
[INFO] [stdout] 78 |         let mut line_end = line_start;
[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: value assigned to `skip` is never read
[INFO] [stdout]    --> src/format.rs:274:17
[INFO] [stdout]     |
[INFO] [stdout] 274 |         let mut skip = 0;
[INFO] [stdout]     |                 ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `line_end` is never read
[INFO] [stdout]   --> src/format.rs:78:17
[INFO] [stdout]    |
[INFO] [stdout] 78 |         let mut line_end = line_start;
[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: value assigned to `skip` is never read
[INFO] [stdout]    --> src/format.rs:274:17
[INFO] [stdout]     |
[INFO] [stdout] 274 |         let mut skip = 0;
[INFO] [stdout]     |                 ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `add_lines`
[INFO] [stdout]   --> src/format.rs:12:4
[INFO] [stdout]    |
[INFO] [stdout] 12 | fn add_lines(input: &str) -> impl Iterator<Item = &str> {
[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: `line_number`
[INFO] [stdout]   --> src/format.rs:29:12
[INFO] [stdout]    |
[INFO] [stdout] 29 |     pub fn line_number(&self) -> usize {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `add_lines`
[INFO] [stdout]   --> src/format.rs:12:4
[INFO] [stdout]    |
[INFO] [stdout] 12 | fn add_lines(input: &str) -> impl Iterator<Item = &str> {
[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: `line_number`
[INFO] [stdout]   --> src/format.rs:29:12
[INFO] [stdout]    |
[INFO] [stdout] 29 |     pub fn line_number(&self) -> usize {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.31s
[INFO] running `Command { std: "docker" "inspect" "16e667dea98f448a9bf54b8bc423295e2752616482eba584fb5bc2526aad0411", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "16e667dea98f448a9bf54b8bc423295e2752616482eba584fb5bc2526aad0411", kill_on_drop: false }`
[INFO] [stdout] 16e667dea98f448a9bf54b8bc423295e2752616482eba584fb5bc2526aad0411