[INFO] cloning repository https://github.com/DuncanSungWKim/ImagesFromPDF
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/DuncanSungWKim/ImagesFromPDF" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDuncanSungWKim%2FImagesFromPDF", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDuncanSungWKim%2FImagesFromPDF'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 123cd2f1278ca5c81a2363533accca3e98ecb35b
[INFO] checking DuncanSungWKim/ImagesFromPDF against master#bad50269f8eb0fda214f0478c3afb2c6fbb427fd for pr-149195-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDuncanSungWKim%2FImagesFromPDF" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/DuncanSungWKim/ImagesFromPDF
[INFO] finished tweaking git repo https://github.com/DuncanSungWKim/ImagesFromPDF
[INFO] tweaked toml for git repo https://github.com/DuncanSungWKim/ImagesFromPDF written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/DuncanSungWKim/ImagesFromPDF on toolchain bad50269f8eb0fda214f0478c3afb2c6fbb427fd
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bad50269f8eb0fda214f0478c3afb2c6fbb427fd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/DuncanSungWKim/ImagesFromPDF 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" "+bad50269f8eb0fda214f0478c3afb2c6fbb427fd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded snafu v0.7.5
[INFO] [stderr]   Downloaded inout v0.1.3
[INFO] [stderr]   Downloaded block-padding v0.3.3
[INFO] [stderr]   Downloaded cbc v0.1.2
[INFO] [stderr]   Downloaded deflate v1.0.0
[INFO] [stderr]   Downloaded async-trait v0.1.74
[INFO] [stderr]   Downloaded pdf v0.8.1
[INFO] [stderr]   Downloaded fax v0.2.0
[INFO] [stderr]   Downloaded proc-macro2 v1.0.69
[INFO] [stderr]   Downloaded weezl v0.1.7
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[INFO] [stderr]   Downloaded inflate v0.4.5
[INFO] [stderr]   Downloaded datasize v0.2.15
[INFO] [stderr]   Downloaded istring v0.3.4
[INFO] [stderr]   Downloaded aes v0.8.3
[INFO] [stderr]   Downloaded quote v1.0.33
[INFO] [stderr]   Downloaded stringprep v0.1.4
[INFO] [stderr]   Downloaded fax_derive v0.1.0
[INFO] [stderr]   Downloaded syn v2.0.39
[INFO] [stderr]   Downloaded datasize_derive v0.2.15
[INFO] [stderr]   Downloaded md5 v0.7.0
[INFO] [stderr]   Downloaded pdf_derive v0.1.22
[INFO] [stderr]   Downloaded cpufeatures v0.2.11
[INFO] [stderr]   Downloaded snafu-derive v0.7.5
[INFO] [stderr]   Downloaded finl_unicode v1.2.0
[INFO] [stderr]   Downloaded libc v0.2.150
[INFO] [stderr]   Downloaded jpeg-decoder v0.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+bad50269f8eb0fda214f0478c3afb2c6fbb427fd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ffc2479bac99284c90876c0734bb9861f9a4c4bff5a0c34ec0f6ed2b067a20c5
[INFO] running `Command { std: "docker" "start" "-a" "ffc2479bac99284c90876c0734bb9861f9a4c4bff5a0c34ec0f6ed2b067a20c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ffc2479bac99284c90876c0734bb9861f9a4c4bff5a0c34ec0f6ed2b067a20c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ffc2479bac99284c90876c0734bb9861f9a4c4bff5a0c34ec0f6ed2b067a20c5", kill_on_drop: false }`
[INFO] [stdout] ffc2479bac99284c90876c0734bb9861f9a4c4bff5a0c34ec0f6ed2b067a20c5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+bad50269f8eb0fda214f0478c3afb2c6fbb427fd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fc74c28466879f9b29dc47089fe8ac01810959708b354ec7e13367be09e0d8a6
[INFO] running `Command { std: "docker" "start" "-a" "fc74c28466879f9b29dc47089fe8ac01810959708b354ec7e13367be09e0d8a6", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.69
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling typenum v1.17.0
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling async-trait v0.1.74
[INFO] [stderr]     Checking tinyvec_macros v0.1.1
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling heck v0.4.1
[INFO] [stderr]     Checking cpufeatures v0.2.11
[INFO] [stderr]     Checking adler32 v1.2.0
[INFO] [stderr]     Checking unicode-bidi v0.3.13
[INFO] [stderr]     Checking either v1.9.0
[INFO] [stderr]     Checking finl_unicode v1.2.0
[INFO] [stderr]     Checking log v0.4.20
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking md5 v0.7.0
[INFO] [stderr]     Checking tinyvec v1.6.0
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking weezl v0.1.7
[INFO] [stderr]     Checking jpeg-decoder v0.3.0
[INFO] [stderr]     Checking inflate v0.4.5
[INFO] [stderr]     Checking deflate v1.0.0
[INFO] [stderr]     Checking once_cell v1.18.0
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling syn v2.0.39
[INFO] [stderr]     Checking unicode-normalization v0.1.22
[INFO] [stderr]     Checking stringprep v0.1.4
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]     Checking block-padding v0.3.3
[INFO] [stderr]     Checking block-buffer v0.10.4
[INFO] [stderr]     Checking inout v0.1.3
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking cipher v0.4.4
[INFO] [stderr]     Checking aes v0.8.3
[INFO] [stderr]     Checking cbc v0.1.2
[INFO] [stderr]     Checking sha2 v0.10.8
[INFO] [stderr]     Checking globalcache v0.2.0
[INFO] [stderr]    Compiling datasize_derive v0.2.15
[INFO] [stderr]    Compiling snafu-derive v0.7.5
[INFO] [stderr]    Compiling fax_derive v0.1.0
[INFO] [stderr]    Compiling pdf_derive v0.1.22
[INFO] [stderr]     Checking fax v0.2.0
[INFO] [stderr]     Checking datasize v0.2.15
[INFO] [stderr]     Checking istring v0.3.4
[INFO] [stderr]     Checking snafu v0.7.5
[INFO] [stderr]     Checking pdf v0.8.1
[INFO] [stderr]     Checking ImagesFromPDF v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `io::prelude::*`
[INFO] [stdout]  --> src/main.rs:5:21
[INFO] [stdout]   |
[INFO] [stdout] 5 | ,   path::Path, fs, io::prelude::*
[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 `Result` that must be used
[INFO] [stdout]   --> src/main.rs:20:9
[INFO] [stdout]    |
[INFO] [stdout] 20 |         imageCollector.ClipImagesFrom( page.unwrap(), &file ) ;
[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] 20 |         let _ = imageCollector.ClipImagesFrom( page.unwrap(), &file ) ;
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:51:13
[INFO] [stdout]    |
[INFO] [stdout] 51 |             fs::remove_dir_all( folder ) ;
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 51 |             let _ = fs::remove_dir_all( folder ) ;
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:53:9
[INFO] [stdout]    |
[INFO] [stdout] 53 |         fs::create_dir( folder ) ;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 53 |         let _ = fs::create_dir( folder ) ;
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `io::prelude::*`
[INFO] [stdout]  --> src/main.rs:5:21
[INFO] [stdout]   |
[INFO] [stdout] 5 | ,   path::Path, fs, io::prelude::*
[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 `Result` that must be used
[INFO] [stdout]   --> src/main.rs:20:9
[INFO] [stdout]    |
[INFO] [stdout] 20 |         imageCollector.ClipImagesFrom( page.unwrap(), &file ) ;
[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] 20 |         let _ = imageCollector.ClipImagesFrom( page.unwrap(), &file ) ;
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:51:13
[INFO] [stdout]    |
[INFO] [stdout] 51 |             fs::remove_dir_all( folder ) ;
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 51 |             let _ = fs::remove_dir_all( folder ) ;
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:53:9
[INFO] [stdout]    |
[INFO] [stdout] 53 |         fs::create_dir( folder ) ;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 53 |         let _ = fs::create_dir( folder ) ;
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 17.32s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: pdf v0.8.1
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "fc74c28466879f9b29dc47089fe8ac01810959708b354ec7e13367be09e0d8a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc74c28466879f9b29dc47089fe8ac01810959708b354ec7e13367be09e0d8a6", kill_on_drop: false }`
[INFO] [stdout] fc74c28466879f9b29dc47089fe8ac01810959708b354ec7e13367be09e0d8a6
