[INFO] cloning repository https://github.com/ozyx/rsls
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ozyx/rsls" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fozyx%2Frsls", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fozyx%2Frsls'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e4baedda5073b21de5880516402211e445ece86f
[INFO] checking ozyx/rsls against try#a7a572ce3edd6d476191fbfe92c9c1986e009b34 for pr-87190-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fozyx%2Frsls" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ozyx/rsls 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/ozyx/rsls
[INFO] finished tweaking git repo https://github.com/ozyx/rsls
[INFO] tweaked toml for git repo https://github.com/ozyx/rsls written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/ozyx/rsls 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 0b73573ce29d0dd0bdd76ce4c6c3ac594be5973870645a0fc3b7d33a381e46ff
[INFO] running `Command { std: "docker" "start" "-a" "0b73573ce29d0dd0bdd76ce4c6c3ac594be5973870645a0fc3b7d33a381e46ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0b73573ce29d0dd0bdd76ce4c6c3ac594be5973870645a0fc3b7d33a381e46ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b73573ce29d0dd0bdd76ce4c6c3ac594be5973870645a0fc3b7d33a381e46ff", kill_on_drop: false }`
[INFO] [stdout] 0b73573ce29d0dd0bdd76ce4c6c3ac594be5973870645a0fc3b7d33a381e46ff
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 20676e90df896ef6a393e9667adfdd19fd7411fbbc88ba4cd1fea6e7d207c3e5
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "20676e90df896ef6a393e9667adfdd19fd7411fbbc88ba4cd1fea6e7d207c3e5", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] Running `cargo fix --edition`
[INFO] [stderr]    Compiling libc v0.2.62
[INFO] [stderr]    Compiling bitflags v1.1.0
[INFO] [stderr]     Checking atty v0.2.13
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking rsls v0.1.0 (/tmp/fixit)
[INFO] [stderr]    Migrating src/rsls.rs from 2018 edition to 2021
[INFO] [stdout] warning: struct is never constructed: `File`
[INFO] [stdout]  --> src/fs/file.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct File {
[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: `is_directory`
[INFO] [stdout]   --> src/fs/file.rs:17:12
[INFO] [stdout]    |
[INFO] [stdout] 17 |     pub fn is_directory(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_file`
[INFO] [stdout]   --> src/fs/file.rs:22:12
[INFO] [stdout]    |
[INFO] [stdout] 22 |     pub fn is_file(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_hidden`
[INFO] [stdout]   --> src/fs/file.rs:27:12
[INFO] [stdout]    |
[INFO] [stdout] 27 |     pub fn is_hidden(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Options`
[INFO] [stdout]  --> src/options/options.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct Options {
[INFO] [stdout]   |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `from_args`
[INFO] [stdout]   --> src/options/options.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 11 |     pub fn from_args(args: clap::ArgMatches<'_>) -> Options {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Migrating src/bin/main.rs from 2018 edition to 2021
[INFO] [stdout] warning: struct is never constructed: `File`
[INFO] [stdout]  --> src/fs/file.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct File {
[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: `is_directory`
[INFO] [stdout]   --> src/fs/file.rs:17:12
[INFO] [stdout]    |
[INFO] [stdout] 17 |     pub fn is_directory(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_file`
[INFO] [stdout]   --> src/fs/file.rs:22:12
[INFO] [stdout]    |
[INFO] [stdout] 22 |     pub fn is_file(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_hidden`
[INFO] [stdout]   --> src/fs/file.rs:27:12
[INFO] [stdout]    |
[INFO] [stdout] 27 |     pub fn is_hidden(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Options`
[INFO] [stdout]  --> src/options/options.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct Options {
[INFO] [stdout]   |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `from_args`
[INFO] [stdout]   --> src/options/options.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 11 |     pub fn from_args(args: clap::ArgMatches<'_>) -> Options {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]        Fixed src/bin/main.rs (1 fix)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.04s
[INFO] [stderr] Running `cargo check` to verify 2021
[INFO] [stderr]     Checking rsls v0.1.0 (/tmp/fixit)
[INFO] [stdout] warning: struct is never constructed: `File`
[INFO] [stdout]  --> src/fs/file.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct File {
[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: `is_directory`
[INFO] [stdout]   --> src/fs/file.rs:17:12
[INFO] [stdout]    |
[INFO] [stdout] 17 |     pub fn is_directory(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_file`
[INFO] [stdout]   --> src/fs/file.rs:22:12
[INFO] [stdout]    |
[INFO] [stdout] 22 |     pub fn is_file(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_hidden`
[INFO] [stdout]   --> src/fs/file.rs:27:12
[INFO] [stdout]    |
[INFO] [stdout] 27 |     pub fn is_hidden(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Options`
[INFO] [stdout]  --> src/options/options.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct Options {
[INFO] [stdout]   |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `from_args`
[INFO] [stdout]   --> src/options/options.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 11 |     pub fn from_args(args: clap::ArgMatches<'_>) -> Options {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `File`
[INFO] [stdout]  --> src/fs/file.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct File {
[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: `is_directory`
[INFO] [stdout]   --> src/fs/file.rs:17:12
[INFO] [stdout]    |
[INFO] [stdout] 17 |     pub fn is_directory(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_file`
[INFO] [stdout]   --> src/fs/file.rs:22:12
[INFO] [stdout]    |
[INFO] [stdout] 22 |     pub fn is_file(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_hidden`
[INFO] [stdout]   --> src/fs/file.rs:27:12
[INFO] [stdout]    |
[INFO] [stdout] 27 |     pub fn is_hidden(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Options`
[INFO] [stdout]  --> src/options/options.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct Options {
[INFO] [stdout]   |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `from_args`
[INFO] [stdout]   --> src/options/options.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 11 |     pub fn from_args(args: clap::ArgMatches<'_>) -> Options {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.48s
[INFO] running `Command { std: "docker" "inspect" "20676e90df896ef6a393e9667adfdd19fd7411fbbc88ba4cd1fea6e7d207c3e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "20676e90df896ef6a393e9667adfdd19fd7411fbbc88ba4cd1fea6e7d207c3e5", kill_on_drop: false }`
[INFO] [stdout] 20676e90df896ef6a393e9667adfdd19fd7411fbbc88ba4cd1fea6e7d207c3e5