[INFO] cloning repository https://github.com/LeonardoRangel12/rust_todo
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/LeonardoRangel12/rust_todo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLeonardoRangel12%2Frust_todo", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLeonardoRangel12%2Frust_todo'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] da672d2d9759dee1c0e54f70b03ff3b8d4483877
[INFO] building LeonardoRangel12/rust_todo against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLeonardoRangel12%2Frust_todo" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/LeonardoRangel12/rust_todo
[INFO] finished tweaking git repo https://github.com/LeonardoRangel12/rust_todo
[INFO] tweaked toml for git repo https://github.com/LeonardoRangel12/rust_todo written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/LeonardoRangel12/rust_todo on toolchain c7f6aa2869acdbf014d094c6e427e554e160b6db
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/LeonardoRangel12/rust_todo already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ref-cast-impl v1.0.22
[INFO] [stderr]   Downloaded ref-cast v1.0.22
[INFO] [stderr]   Downloaded rocket_codegen v0.5.0
[INFO] [stderr]   Downloaded figment v0.10.18
[INFO] [stderr]   Downloaded rocket v0.5.0
[INFO] [stderr]   Downloaded rocket_http v0.5.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bb1e736cba05ff6f5908b347394ecb5820cb45d41dffd35ffd96a24ac9cc312b
[INFO] running `Command { std: "docker" "start" "-a" "bb1e736cba05ff6f5908b347394ecb5820cb45d41dffd35ffd96a24ac9cc312b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bb1e736cba05ff6f5908b347394ecb5820cb45d41dffd35ffd96a24ac9cc312b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bb1e736cba05ff6f5908b347394ecb5820cb45d41dffd35ffd96a24ac9cc312b", kill_on_drop: false }`
[INFO] [stdout] bb1e736cba05ff6f5908b347394ecb5820cb45d41dffd35ffd96a24ac9cc312b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0099c8e360760b3578b0e0920dbf01971601bb413d6a59162c111272b2bfcc25
[INFO] running `Command { std: "docker" "start" "-a" "0099c8e360760b3578b0e0920dbf01971601bb413d6a59162c111272b2bfcc25", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.81
[INFO] [stderr]    Compiling libc v0.2.154
[INFO] [stderr]    Compiling serde v1.0.200
[INFO] [stderr]    Compiling bytes v1.6.0
[INFO] [stderr]    Compiling yansi v1.0.1
[INFO] [stderr]    Compiling proc-macro2-diagnostics v0.10.1
[INFO] [stderr]    Compiling inlinable_string v0.1.15
[INFO] [stderr]    Compiling futures-sink v0.3.30
[INFO] [stderr]    Compiling futures-core v0.3.30
[INFO] [stderr]    Compiling cookie v0.18.1
[INFO] [stderr]    Compiling futures-util v0.3.30
[INFO] [stderr]    Compiling ref-cast v1.0.22
[INFO] [stderr]    Compiling futures-task v0.3.30
[INFO] [stderr]    Compiling uncased v0.9.10
[INFO] [stderr]    Compiling bitflags v2.5.0
[INFO] [stderr]    Compiling stable-pattern v0.1.0
[INFO] [stderr]    Compiling futures-channel v0.3.30
[INFO] [stderr]    Compiling futures-io v0.3.30
[INFO] [stderr]    Compiling either v1.11.0
[INFO] [stderr]    Compiling state v0.6.0
[INFO] [stderr]    Compiling http v0.2.12
[INFO] [stderr]    Compiling winnow v0.6.7
[INFO] [stderr]    Compiling indexmap v2.2.6
[INFO] [stderr]    Compiling figment v0.10.18
[INFO] [stderr]    Compiling multer v2.1.0
[INFO] [stderr]    Compiling linux-raw-sys v0.4.13
[INFO] [stderr]    Compiling rocket v0.5.0
[INFO] [stderr]    Compiling unicode-xid v0.2.4
[INFO] [stderr]    Compiling binascii v0.1.4
[INFO] [stderr]    Compiling atomic v0.5.3
[INFO] [stderr]    Compiling rustix v0.38.34
[INFO] [stderr]    Compiling mio v0.8.11
[INFO] [stderr]    Compiling socket2 v0.5.7
[INFO] [stderr]    Compiling num_cpus v1.16.0
[INFO] [stderr]    Compiling signal-hook-registry v1.4.2
[INFO] [stderr]    Compiling is-terminal v0.4.12
[INFO] [stderr]    Compiling getrandom v0.2.14
[INFO] [stderr]    Compiling parking_lot_core v0.9.10
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling parking_lot v0.12.2
[INFO] [stderr]    Compiling syn v2.0.60
[INFO] [stderr]    Compiling http-body v0.4.6
[INFO] [stderr]    Compiling tokio v1.37.0
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling futures v0.3.30
[INFO] [stderr]    Compiling tempfile v3.10.1
[INFO] [stderr]    Compiling hyper v0.14.28
[INFO] [stderr]    Compiling devise_core v0.4.1
[INFO] [stderr]    Compiling serde_derive v1.0.200
[INFO] [stderr]    Compiling tokio-macros v2.2.0
[INFO] [stderr]    Compiling pear_codegen v0.2.9
[INFO] [stderr]    Compiling ref-cast-impl v1.0.22
[INFO] [stderr]    Compiling async-stream-impl v0.3.5
[INFO] [stderr]    Compiling async-trait v0.1.80
[INFO] [stderr]    Compiling async-stream v0.3.5
[INFO] [stderr]    Compiling devise_codegen v0.4.1
[INFO] [stderr]    Compiling pear v0.2.9
[INFO] [stderr]    Compiling devise v0.4.1
[INFO] [stderr]    Compiling rocket_http v0.5.0
[INFO] [stderr]    Compiling rocket_codegen v0.5.0
[INFO] [stderr]    Compiling tokio-util v0.7.10
[INFO] [stderr]    Compiling tokio-stream v0.1.15
[INFO] [stderr]    Compiling serde_spanned v0.6.5
[INFO] [stderr]    Compiling toml_datetime v0.6.5
[INFO] [stderr]    Compiling ubyte v0.10.4
[INFO] [stderr]    Compiling toml_edit v0.22.12
[INFO] [stderr]    Compiling h2 v0.3.26
[INFO] [stderr]    Compiling toml v0.8.12
[INFO] [stderr]    Compiling backend v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `BufWriter`
[INFO] [stdout]  --> src/file_io.rs:2:26
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::io::{BufReader, BufWriter, Error};
[INFO] [stdout]   |                          ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rocket::form::Form`
[INFO] [stdout]  --> src/form.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use rocket::form::Form;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/file_io.rs:25:20
[INFO] [stdout]    |
[INFO] [stdout] 25 |         Err(_) => {create_file(&path);
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 25 |         Err(_) => {let _ = create_file(&path);
[INFO] [stdout]    |                    +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 01s
[INFO] running `Command { std: "docker" "inspect" "0099c8e360760b3578b0e0920dbf01971601bb413d6a59162c111272b2bfcc25", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0099c8e360760b3578b0e0920dbf01971601bb413d6a59162c111272b2bfcc25", kill_on_drop: false }`
[INFO] [stdout] 0099c8e360760b3578b0e0920dbf01971601bb413d6a59162c111272b2bfcc25
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 478fae3e79287daff95642f27500267d9d198cd0adb5fed063a5b42ea8ab85e3
[INFO] running `Command { std: "docker" "start" "-a" "478fae3e79287daff95642f27500267d9d198cd0adb5fed063a5b42ea8ab85e3", kill_on_drop: false }`
[INFO] [stderr]    Compiling backend v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `BufWriter`
[INFO] [stdout]  --> src/file_io.rs:2:26
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::io::{BufReader, BufWriter, Error};
[INFO] [stdout]   |                          ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rocket::form::Form`
[INFO] [stdout]  --> src/form.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use rocket::form::Form;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/file_io.rs:25:20
[INFO] [stdout]    |
[INFO] [stdout] 25 |         Err(_) => {create_file(&path);
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 25 |         Err(_) => {let _ = create_file(&path);
[INFO] [stdout]    |                    +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.96s
[INFO] running `Command { std: "docker" "inspect" "478fae3e79287daff95642f27500267d9d198cd0adb5fed063a5b42ea8ab85e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "478fae3e79287daff95642f27500267d9d198cd0adb5fed063a5b42ea8ab85e3", kill_on_drop: false }`
[INFO] [stdout] 478fae3e79287daff95642f27500267d9d198cd0adb5fed063a5b42ea8ab85e3