[INFO] updating cached repository https://github.com/Hermitter/mangarip
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 3e12e2f2280f6ce84a4e9a694a877692afcb59b2
[INFO] checking Hermitter/mangarip against master#3dbade652ed8ebac70f903e01f51cd92c4e4302c for pr-69880
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHermitter%2Fmangarip" "/workspace/builds/worker-4/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Hermitter/mangarip on toolchain 3dbade652ed8ebac70f903e01f51cd92c4e4302c
[INFO] running `"/workspace/cargo-home/bin/cargo" "+3dbade652ed8ebac70f903e01f51cd92c4e4302c" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/Hermitter/mangarip
[INFO] finished tweaking git repo https://github.com/Hermitter/mangarip
[INFO] tweaked toml for git repo https://github.com/Hermitter/mangarip written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/Hermitter/mangarip already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+3dbade652ed8ebac70f903e01f51cd92c4e4302c" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+3dbade652ed8ebac70f903e01f51cd92c4e4302c" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 6aea7719ba73d9395131e977b8a06b0953b0cfff8c6ef9b62d79842e4be576be
[INFO] running `"docker" "start" "-a" "6aea7719ba73d9395131e977b8a06b0953b0cfff8c6ef9b62d79842e4be576be"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.13
[INFO] [stderr]    Compiling cc v1.0.49
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling siphasher v0.3.1
[INFO] [stderr]     Checking futures-sink-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking futures-core-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking futures-io-preview v0.3.0-alpha.19
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[INFO] [stderr]     Checking nodrop v0.1.14
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[INFO] [stderr]     Checking pin-project-lite v0.1.2
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[INFO] [stderr]     Checking clicolors-control v1.0.1
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[INFO] [stderr]     Checking async-task v1.1.1
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[INFO] [stderr]    Compiling rand_pcg v0.2.1
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[INFO] [stderr]     Checking mime_guess v2.0.1
[INFO] [stderr]     Checking rayon-core v1.7.0
[INFO] [stderr]    Compiling rand v0.7.2
[INFO] [stderr]     Checking sluice v0.4.2
[INFO] [stderr]     Checking url v2.1.0
[INFO] [stderr]     Checking tokio-io v0.1.12
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[INFO] [stderr]     Checking kv-log-macro v1.0.4
[INFO] [stderr]     Checking indicatif v0.13.0
[INFO] [stderr]     Checking rayon v1.3.0
[INFO] [stderr]    Compiling openssl-sys v0.9.53
[INFO] [stderr]    Compiling libnghttp2-sys v0.1.2
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[INFO] [stderr]    Compiling phf_codegen v0.8.0
[INFO] [stderr]    Compiling string_cache_codegen v0.5.1
[INFO] [stderr]    Compiling selectors v0.22.0
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[INFO] [stderr]     Checking futures-executor-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking futures-preview v0.3.0-alpha.19
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[INFO] [stderr]    Compiling syn-mid v0.4.0
[INFO] [stderr]    Compiling proc-macro-hack v0.5.11
[INFO] [stderr]    Compiling rustversion v1.0.1
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]    Compiling cssparser v0.27.2
[INFO] [stderr]    Compiling html5ever v0.25.1
[INFO] [stderr]    Compiling cssparser-macros v0.6.0
[INFO] [stderr]    Compiling derive_more v0.99.2
[INFO] [stderr]    Compiling tokio-macros v0.2.3
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[INFO] [stderr]    Compiling proc-macro-error v0.4.4
[INFO] [stderr]    Compiling proc-macro-error-attr v0.4.3
[INFO] [stderr]    Compiling curl v0.4.25
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[INFO] [stderr]     Checking surf v1.0.3
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[INFO] [stderr]     Checking structopt v0.3.7
[INFO] [stderr]     Checking futures v0.3.1
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[INFO] [stderr]     Checking mangarip v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `str::Utf8Error`
[INFO] [stderr]  --> src/error.rs:1:42
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::{error::Error as StdError, fmt, str::Utf8Error};
[INFO] [stderr]   |                                          ^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `str::Utf8Error`
[INFO] [stderr]  --> src/error.rs:1:42
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::{error::Error as StdError, fmt, str::Utf8Error};
[INFO] [stderr]   |                                          ^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `start`
[INFO] [stderr]    --> src/scrape.rs:105:38
[INFO] [stderr]     |
[INFO] [stderr] 105 |     pub async fn get_chapters(&self, start: u32, end: u32) -> Result<Vec<Vec<Vec<u8>>>, Error> {
[INFO] [stderr]     |                                      ^^^^^ help: consider prefixing with an underscore: `_start`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `end`
[INFO] [stderr]    --> src/scrape.rs:105:50
[INFO] [stderr]     |
[INFO] [stderr] 105 |     pub async fn get_chapters(&self, start: u32, end: u32) -> Result<Vec<Vec<Vec<u8>>>, Error> {
[INFO] [stderr]     |                                                  ^^^ help: consider prefixing with an underscore: `_end`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `start`
[INFO] [stderr]    --> src/scrape.rs:105:38
[INFO] [stderr]     |
[INFO] [stderr] 105 |     pub async fn get_chapters(&self, start: u32, end: u32) -> Result<Vec<Vec<Vec<u8>>>, Error> {
[INFO] [stderr]     |                                      ^^^^^ help: consider prefixing with an underscore: `_start`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `end`
[INFO] [stderr]    --> src/scrape.rs:105:50
[INFO] [stderr]     |
[INFO] [stderr] 105 |     pub async fn get_chapters(&self, start: u32, end: u32) -> Result<Vec<Vec<Vec<u8>>>, Error> {
[INFO] [stderr]     |                                                  ^^^ help: consider prefixing with an underscore: `_end`
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `io`, `task`
[INFO] [stderr]  --> src/main.rs:1:17
[INFO] [stderr]   |
[INFO] [stderr] 1 | use async_std::{io, prelude::*, task};
[INFO] [stderr]   |                 ^^              ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `image::GenericImageView`
[INFO] [stderr]  --> src/main.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use image::GenericImageView;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `tokio::prelude::*`
[INFO] [stderr]  --> src/main.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use tokio::prelude::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `prelude`
[INFO] [stderr]  --> src/main.rs:1:21
[INFO] [stderr]   |
[INFO] [stderr] 1 | use async_std::{io, prelude::*, task};
[INFO] [stderr]   |                     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `io`, `task`
[INFO] [stderr]  --> src/main.rs:1:17
[INFO] [stderr]   |
[INFO] [stderr] 1 | use async_std::{io, prelude::*, task};
[INFO] [stderr]   |                 ^^              ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `image::GenericImageView`
[INFO] [stderr]  --> src/main.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use image::GenericImageView;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `tokio::prelude::*`
[INFO] [stderr]  --> src/main.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use tokio::prelude::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `prelude`
[INFO] [stderr]  --> src/main.rs:1:21
[INFO] [stderr]   |
[INFO] [stderr] 1 | use async_std::{io, prelude::*, task};
[INFO] [stderr]   |                     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 16s
[INFO] running `"docker" "inspect" "6aea7719ba73d9395131e977b8a06b0953b0cfff8c6ef9b62d79842e4be576be"`
[INFO] running `"docker" "rm" "-f" "6aea7719ba73d9395131e977b8a06b0953b0cfff8c6ef9b62d79842e4be576be"`
[INFO] [stdout] 6aea7719ba73d9395131e977b8a06b0953b0cfff8c6ef9b62d79842e4be576be