[INFO] fetching crate image_compression 0.1.1...
[INFO] testing image_compression-0.1.1 against 1.54.0 for beta-1.55-1
[INFO] extracting crate image_compression 0.1.1 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate image_compression 0.1.1 on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate image_compression 0.1.1
[INFO] finished tweaking crates.io crate image_compression 0.1.1
[INFO] tweaked toml for crates.io crate image_compression 0.1.1 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate crates.io crate image_compression 0.1.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 72cc65eb5bd14a839edbb22e7fde52987afa90df710ca6540ba0b81e391e554f
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "72cc65eb5bd14a839edbb22e7fde52987afa90df710ca6540ba0b81e391e554f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "72cc65eb5bd14a839edbb22e7fde52987afa90df710ca6540ba0b81e391e554f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "72cc65eb5bd14a839edbb22e7fde52987afa90df710ca6540ba0b81e391e554f", kill_on_drop: false }`
[INFO] [stdout] 72cc65eb5bd14a839edbb22e7fde52987afa90df710ca6540ba0b81e391e554f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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=warn" "-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" "+1.54.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a45883b1c940b5a2a99b05c0cca33965a64cc3de381270c15a2a148ec96594bf
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "a45883b1c940b5a2a99b05c0cca33965a64cc3de381270c15a2a148ec96594bf", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling weezl v0.1.5
[INFO] [stderr]    Compiling bytemuck v1.7.0
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling deflate v0.8.6
[INFO] [stderr]    Compiling jpeg-decoder v0.1.22
[INFO] [stderr]    Compiling gif v0.11.2
[INFO] [stderr]    Compiling png v0.16.8
[INFO] [stderr]    Compiling tiff v0.6.1
[INFO] [stderr]    Compiling image v0.23.14
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling structopt-derive v0.4.14
[INFO] [stderr]    Compiling structopt v0.3.21
[INFO] [stderr]    Compiling image_compression v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `env`
[INFO] [stdout]  --> src/lib.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{env, fmt};
[INFO] [stdout]   |           ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]  --> src/lib.rs:2:15
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::fs::{self, File};
[INFO] [stdout]   |               ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Jpeg`
[INFO] [stdout]  --> src/lib.rs:7:32
[INFO] [stdout]   |
[INFO] [stdout] 7 | use image::ImageOutputFormat::{Jpeg, Png};
[INFO] [stdout]   |                                ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tiny`
[INFO] [stdout]   --> src/lib.rs:46:17
[INFO] [stdout]    |
[INFO] [stdout] 46 |             let tiny = match image::open(in_file) {
[INFO] [stdout]    |                 ^^^^ help: if this is intentional, prefix it with an underscore: `_tiny`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 58.34s
[INFO] running `Command { std: "docker" "inspect" "a45883b1c940b5a2a99b05c0cca33965a64cc3de381270c15a2a148ec96594bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a45883b1c940b5a2a99b05c0cca33965a64cc3de381270c15a2a148ec96594bf", kill_on_drop: false }`
[INFO] [stdout] a45883b1c940b5a2a99b05c0cca33965a64cc3de381270c15a2a148ec96594bf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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=warn" "-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" "+1.54.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 840d3551f21d3a2a5b7b6b49dfeac91d0e5c5f4dae29a7c35734747fddb0a39e
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "840d3551f21d3a2a5b7b6b49dfeac91d0e5c5f4dae29a7c35734747fddb0a39e", kill_on_drop: false }`
[INFO] [stdout] warning: unused import: `env`
[INFO] [stdout]  --> src/lib.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{env, fmt};
[INFO] [stdout]   |           ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling image_compression v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]  --> src/lib.rs:2:15
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::fs::{self, File};
[INFO] [stdout]   |               ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Jpeg`
[INFO] [stdout]  --> src/lib.rs:7:32
[INFO] [stdout]   |
[INFO] [stdout] 7 | use image::ImageOutputFormat::{Jpeg, Png};
[INFO] [stdout]   |                                ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tiny`
[INFO] [stdout]   --> src/lib.rs:46:17
[INFO] [stdout]    |
[INFO] [stdout] 46 |             let tiny = match image::open(in_file) {
[INFO] [stdout]    |                 ^^^^ help: if this is intentional, prefix it with an underscore: `_tiny`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `env`
[INFO] [stdout]  --> src/lib.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{env, fmt};
[INFO] [stdout]   |           ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]  --> src/lib.rs:2:15
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::fs::{self, File};
[INFO] [stdout]   |               ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Jpeg`
[INFO] [stdout]  --> src/lib.rs:7:32
[INFO] [stdout]   |
[INFO] [stdout] 7 | use image::ImageOutputFormat::{Jpeg, Png};
[INFO] [stdout]   |                                ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tiny`
[INFO] [stdout]   --> src/lib.rs:46:17
[INFO] [stdout]    |
[INFO] [stdout] 46 |             let tiny = match image::open(in_file) {
[INFO] [stdout]    |                 ^^^^ help: if this is intentional, prefix it with an underscore: `_tiny`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.73s
[INFO] running `Command { std: "docker" "inspect" "840d3551f21d3a2a5b7b6b49dfeac91d0e5c5f4dae29a7c35734747fddb0a39e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "840d3551f21d3a2a5b7b6b49dfeac91d0e5c5f4dae29a7c35734747fddb0a39e", kill_on_drop: false }`
[INFO] [stdout] 840d3551f21d3a2a5b7b6b49dfeac91d0e5c5f4dae29a7c35734747fddb0a39e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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=warn" "-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" "+1.54.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 83a81827ab8375bc6b41b6b745df9b2579e702f1074a6d192d1415bdf112e015
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "83a81827ab8375bc6b41b6b745df9b2579e702f1074a6d192d1415bdf112e015", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `env`
[INFO] [stderr]  --> src/lib.rs:1:11
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::{env, fmt};
[INFO] [stderr]   |           ^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `self`
[INFO] [stderr]  --> src/lib.rs:2:15
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::fs::{self, File};
[INFO] [stderr]   |               ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Jpeg`
[INFO] [stderr]  --> src/lib.rs:7:32
[INFO] [stderr]   |
[INFO] [stderr] 7 | use image::ImageOutputFormat::{Jpeg, Png};
[INFO] [stderr]   |                                ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `tiny`
[INFO] [stderr]   --> src/lib.rs:46:17
[INFO] [stderr]    |
[INFO] [stderr] 46 |             let tiny = match image::open(in_file) {
[INFO] [stderr]    |                 ^^^^ help: if this is intentional, prefix it with an underscore: `_tiny`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `env`
[INFO] [stderr]  --> src/lib.rs:1:11
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::{env, fmt};
[INFO] [stderr]   |           ^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `self`
[INFO] [stderr]  --> src/lib.rs:2:15
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::fs::{self, File};
[INFO] [stderr]   |               ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Jpeg`
[INFO] [stderr]  --> src/lib.rs:7:32
[INFO] [stderr]   |
[INFO] [stderr] 7 | use image::ImageOutputFormat::{Jpeg, Png};
[INFO] [stderr]   |                                ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `tiny`
[INFO] [stderr]   --> src/lib.rs:46:17
[INFO] [stderr]    |
[INFO] [stderr] 46 |             let tiny = match image::open(in_file) {
[INFO] [stderr]    |                 ^^^^ help: if this is intentional, prefix it with an underscore: `_tiny`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/image_compression-50a6b070a2ae6dc1)
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/ic-570d5f036fd40832)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests image_compression
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "83a81827ab8375bc6b41b6b745df9b2579e702f1074a6d192d1415bdf112e015", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "83a81827ab8375bc6b41b6b745df9b2579e702f1074a6d192d1415bdf112e015", kill_on_drop: false }`
[INFO] [stdout] 83a81827ab8375bc6b41b6b745df9b2579e702f1074a6d192d1415bdf112e015
