[INFO] cloning repository https://github.com/hsqlu/imagextractor
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hsqlu/imagextractor" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhsqlu%2Fimagextractor", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhsqlu%2Fimagextractor'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9afdcadc9e2153a730b34fbd1e92dbb41dea13ff
[INFO] testing hsqlu/imagextractor against beta-2022-04-10 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhsqlu%2Fimagextractor" "/workspace/builds/worker-24/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-24/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/hsqlu/imagextractor on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/hsqlu/imagextractor
[INFO] finished tweaking git repo https://github.com/hsqlu/imagextractor
[INFO] tweaked toml for git repo https://github.com/hsqlu/imagextractor written to /workspace/builds/worker-24/source/Cargo.toml
[INFO] crate git repo https://github.com/hsqlu/imagextractor already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fd982f48209d68914041c4de6a461c89a1eacc11c45f1038d4b91a131d31881a
[INFO] running `Command { std: "docker" "start" "-a" "fd982f48209d68914041c4de6a461c89a1eacc11c45f1038d4b91a131d31881a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fd982f48209d68914041c4de6a461c89a1eacc11c45f1038d4b91a131d31881a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fd982f48209d68914041c4de6a461c89a1eacc11c45f1038d4b91a131d31881a", kill_on_drop: false }`
[INFO] [stdout] fd982f48209d68914041c4de6a461c89a1eacc11c45f1038d4b91a131d31881a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6817cf3f90b870f336d830ab70faf457844fbd6a703bb49b711494cf0861bed8
[INFO] running `Command { std: "docker" "start" "-a" "6817cf3f90b870f336d830ab70faf457844fbd6a703bb49b711494cf0861bed8", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling syn v1.0.48
[INFO] [stderr]    Compiling serde_derive v1.0.117
[INFO] [stderr]    Compiling serde v1.0.117
[INFO] [stderr]    Compiling serde_json v1.0.59
[INFO] [stderr]    Compiling itoa v0.4.6
[INFO] [stderr]    Compiling mutate_once v0.1.1
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling kamadak-exif v0.5.2
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling imagextractor v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0433]: failed to resolve: could not find `macos` in `os`
[INFO] [stdout]  --> src/extractor.rs:8:14
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::os::macos::fs::MetadataExt;
[INFO] [stdout]   |              ^^^^^ could not find `macos` in `os`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self::test::Bencher`
[INFO] [stdout]  --> src/benches/mod.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use self::test::Bencher;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::extractor`
[INFO] [stdout]  --> src/benches/mod.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::extractor;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/main.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(test)]
[INFO] [stdout]   |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `st_size` found for struct `Metadata` in the current scope
[INFO] [stdout]    --> src/extractor.rs:68:32
[INFO] [stdout]     |
[INFO] [stdout] 68  |     image_info.size = metadata.st_size();
[INFO] [stdout]     |                                ^^^^^^^ method not found in `Metadata`
[INFO] [stdout]     |
[INFO] [stdout]     = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: the following trait is implemented but not in scope; perhaps add a `use` for it:
[INFO] [stdout]     |
[INFO] [stdout] 1   | use std::os::linux::fs::MetadataExt;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors; 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0433, E0554, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `imagextractor` due to 4 previous errors; 2 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "6817cf3f90b870f336d830ab70faf457844fbd6a703bb49b711494cf0861bed8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6817cf3f90b870f336d830ab70faf457844fbd6a703bb49b711494cf0861bed8", kill_on_drop: false }`
[INFO] [stdout] 6817cf3f90b870f336d830ab70faf457844fbd6a703bb49b711494cf0861bed8