[INFO] cloning repository https://github.com/caverym/drag
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/caverym/drag" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcaverym%2Fdrag", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcaverym%2Fdrag'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 06317d4ab6eba370d398fc2a43fa4c30e5f703d9
[INFO] checking caverym/drag against try#a7a572ce3edd6d476191fbfe92c9c1986e009b34 for pr-87190-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcaverym%2Fdrag" "/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/caverym/drag 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/caverym/drag
[INFO] finished tweaking git repo https://github.com/caverym/drag
[INFO] tweaked toml for git repo https://github.com/caverym/drag written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/caverym/drag 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]  Downloading crates ...
[INFO] [stderr]   Downloaded pico-args v0.4.2
[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] 6d901cf190f0f00b3fdbe63ba87704786d1b3ac12069a8ba81ad529acb401351
[INFO] running `Command { std: "docker" "start" "-a" "6d901cf190f0f00b3fdbe63ba87704786d1b3ac12069a8ba81ad529acb401351", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6d901cf190f0f00b3fdbe63ba87704786d1b3ac12069a8ba81ad529acb401351", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6d901cf190f0f00b3fdbe63ba87704786d1b3ac12069a8ba81ad529acb401351", kill_on_drop: false }`
[INFO] [stdout] 6d901cf190f0f00b3fdbe63ba87704786d1b3ac12069a8ba81ad529acb401351
[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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] e72830bd9d96d2fb92f08f9d8f1f0ecebe64ded251af5891d77c7b121440a534
[INFO] running `Command { std: "docker" "start" "-a" "e72830bd9d96d2fb92f08f9d8f1f0ecebe64ded251af5891d77c7b121440a534", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] Running `cargo fix --edition`
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]     Checking pico-args v0.4.2
[INFO] [stderr]     Checking toml v0.5.8
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]     Checking drag v0.1.0 (/tmp/fixit)
[INFO] [stderr]    Migrating src/main.rs from 2018 edition to 2021
[INFO] [stderr]        Fixed src/main.rs (2 fixes)
[INFO] [stderr]        Fixed src/script.rs (1 fix)
[INFO] [stderr]        Fixed src/error.rs (1 fix)
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]  --> src/utils.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 |     pub fn new<T: ToString>(file: T, line: u32) -> Self {
[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: `new`
[INFO] [stdout]   --> src/script.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 15 |     pub fn new(file: Option<OsString>) -> Result<Self> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `jobs`
[INFO] [stdout]  --> src/args.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     jobs: Option<u8>,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `file`
[INFO] [stdout]  --> src/args.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     file: Option<OsString>,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `parse_jobs`
[INFO] [stdout]   --> src/args.rs:20:4
[INFO] [stdout]    |
[INFO] [stdout] 20 | fn parse_jobs(f: &str) -> Result<u8> {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]  --> src/utils.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 |     pub fn new<T: ToString>(file: T, line: u32) -> Self {
[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: `new`
[INFO] [stdout]   --> src/script.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 15 |     pub fn new(file: Option<OsString>) -> Result<Self> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `jobs`
[INFO] [stdout]  --> src/args.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     jobs: Option<u8>,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `file`
[INFO] [stdout]  --> src/args.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     file: Option<OsString>,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `parse_jobs`
[INFO] [stdout]   --> src/args.rs:20:4
[INFO] [stdout]    |
[INFO] [stdout] 20 | fn parse_jobs(f: &str) -> Result<u8> {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.55s
[INFO] [stderr] Running `cargo check` to verify 2021
[INFO] [stderr]     Checking drag v0.1.0 (/tmp/fixit)
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]  --> src/utils.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 |     pub fn new<T: ToString>(file: T, line: u32) -> Self {
[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: `new`
[INFO] [stdout]   --> src/script.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 15 |     pub fn new(file: Option<OsString>) -> Result<Self> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `jobs`
[INFO] [stdout]  --> src/args.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     jobs: Option<u8>,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `file`
[INFO] [stdout]  --> src/args.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     file: Option<OsString>,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `parse_jobs`
[INFO] [stdout]   --> src/args.rs:20:4
[INFO] [stdout]    |
[INFO] [stdout] 20 | fn parse_jobs(f: &str) -> Result<u8> {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]  --> src/utils.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 |     pub fn new<T: ToString>(file: T, line: u32) -> Self {
[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: `new`
[INFO] [stdout]   --> src/script.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 15 |     pub fn new(file: Option<OsString>) -> Result<Self> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `jobs`
[INFO] [stdout]  --> src/args.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     jobs: Option<u8>,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `file`
[INFO] [stdout]  --> src/args.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     file: Option<OsString>,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `parse_jobs`
[INFO] [stdout]   --> src/args.rs:20:4
[INFO] [stdout]    |
[INFO] [stdout] 20 | fn parse_jobs(f: &str) -> Result<u8> {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.36s
[INFO] running `Command { std: "docker" "inspect" "e72830bd9d96d2fb92f08f9d8f1f0ecebe64ded251af5891d77c7b121440a534", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e72830bd9d96d2fb92f08f9d8f1f0ecebe64ded251af5891d77c7b121440a534", kill_on_drop: false }`
[INFO] [stdout] e72830bd9d96d2fb92f08f9d8f1f0ecebe64ded251af5891d77c7b121440a534