[INFO] cloning repository https://github.com/ljxrrcj/rget_study
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ljxrrcj/rget_study" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fljxrrcj%2Frget_study", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fljxrrcj%2Frget_study'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4848110bcd97e0795059e8fc13a504283f8100df
[INFO] checking ljxrrcj/rget_study against master#779e19d8baa3e3625bd4fc5c85cbb2ad47b43155 for pr-147589-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fljxrrcj%2Frget_study" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/ljxrrcj/rget_study
[INFO] finished tweaking git repo https://github.com/ljxrrcj/rget_study
[INFO] tweaked toml for git repo https://github.com/ljxrrcj/rget_study written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/ljxrrcj/rget_study on toolchain 779e19d8baa3e3625bd4fc5c85cbb2ad47b43155
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+779e19d8baa3e3625bd4fc5c85cbb2ad47b43155" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/ljxrrcj/rget_study 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" "+779e19d8baa3e3625bd4fc5c85cbb2ad47b43155" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "start" "-a" "0c407173eb05e6f2a35a9f4dff742c015d0eacb82ceee4d79a5ea1f566e649c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0c407173eb05e6f2a35a9f4dff742c015d0eacb82ceee4d79a5ea1f566e649c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0c407173eb05e6f2a35a9f4dff742c015d0eacb82ceee4d79a5ea1f566e649c8", kill_on_drop: false }`
[INFO] [stdout] 0c407173eb05e6f2a35a9f4dff742c015d0eacb82ceee4d79a5ea1f566e649c8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+779e19d8baa3e3625bd4fc5c85cbb2ad47b43155" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 23aa3ac5316b98899d2c9a8f04395aa0a147509343da888a861f809b609e32aa
[INFO] running `Command { std: "docker" "start" "-a" "23aa3ac5316b98899d2c9a8f04395aa0a147509343da888a861f809b609e32aa", kill_on_drop: false }`
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[INFO] [stdout] warning: unused import: `Url`
[INFO] [stdout]   --> src/main.rs:12:11
[INFO] [stdout]    |
[INFO] [stdout] 12 | use url::{Url};
[INFO] [stdout]    |           ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/main.rs:149:5
[INFO] [stdout]     |
[INFO] [stdout] 149 |     ;
[INFO] [stdout]     |     ^ help: remove this semicolon
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(redundant_semicolons)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Url`
[INFO] [stdout]   --> src/main.rs:12:11
[INFO] [stdout]    |
[INFO] [stdout] 12 | use url::{Url};
[INFO] [stdout]    |           ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/main.rs:149:5
[INFO] [stdout]     |
[INFO] [stdout] 149 |     ;
[INFO] [stdout]     |     ^ help: remove this semicolon
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(redundant_semicolons)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:83:25
[INFO] [stdout]    |
[INFO] [stdout] 83 |                     let mut bar = create_progress_bar(quiet_mode, fname, Some(len.parse().unwrap()));
[INFO] [stdout]    |                         ----^^^
[INFO] [stdout]    |                         |
[INFO] [stdout]    |                         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:102:21
[INFO] [stdout]     |
[INFO] [stdout] 102 |                 let mut bar = create_progress_bar(quiet_mode, fname, None);
[INFO] [stdout]     |                     ----^^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `client`
[INFO] [stdout]   --> src/main.rs:29:9
[INFO] [stdout]    |
[INFO] [stdout] 29 |     let client = Client::new();
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_client`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `bar`
[INFO] [stdout]    --> src/main.rs:102:21
[INFO] [stdout]     |
[INFO] [stdout] 102 |                 let mut bar = create_progress_bar(quiet_mode, fname, None);
[INFO] [stdout]     |                     ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_bar`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:151:5
[INFO] [stdout]     |
[INFO] [stdout] 151 |     download(url, false);
[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] 151 |     let _ = download(url, false);
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:83:25
[INFO] [stdout]    |
[INFO] [stdout] 83 |                     let mut bar = create_progress_bar(quiet_mode, fname, Some(len.parse().unwrap()));
[INFO] [stdout]    |                         ----^^^
[INFO] [stdout]    |                         |
[INFO] [stdout]    |                         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:102:21
[INFO] [stdout]     |
[INFO] [stdout] 102 |                 let mut bar = create_progress_bar(quiet_mode, fname, None);
[INFO] [stdout]     |                     ----^^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `client`
[INFO] [stdout]   --> src/main.rs:29:9
[INFO] [stdout]    |
[INFO] [stdout] 29 |     let client = Client::new();
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_client`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `bar`
[INFO] [stdout]    --> src/main.rs:102:21
[INFO] [stdout]     |
[INFO] [stdout] 102 |                 let mut bar = create_progress_bar(quiet_mode, fname, None);
[INFO] [stdout]     |                     ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_bar`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:151:5
[INFO] [stdout]     |
[INFO] [stdout] 151 |     download(url, false);
[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] 151 |     let _ = download(url, false);
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 32.69s
[INFO] running `Command { std: "docker" "inspect" "23aa3ac5316b98899d2c9a8f04395aa0a147509343da888a861f809b609e32aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "23aa3ac5316b98899d2c9a8f04395aa0a147509343da888a861f809b609e32aa", kill_on_drop: false }`
[INFO] [stdout] 23aa3ac5316b98899d2c9a8f04395aa0a147509343da888a861f809b609e32aa
