[INFO] fetching crate imagesnap 0.0.1...
[INFO] testing imagesnap-0.0.1 against 1.60.0 for beta-1.61-1
[INFO] extracting crate imagesnap 0.0.1 into /workspace/builds/worker-57/source
[INFO] validating manifest of crates.io crate imagesnap 0.0.1 on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate imagesnap 0.0.1
[INFO] finished tweaking crates.io crate imagesnap 0.0.1
[INFO] tweaked toml for crates.io crate imagesnap 0.0.1 written to /workspace/builds/worker-57/source/Cargo.toml
[INFO] crate crates.io crate imagesnap 0.0.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded futures-io v0.3.12
[INFO] [stderr]   Downloaded futures-core v0.3.12
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/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" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 43113b582047f10ddf74e69a311619983463a8dca71343ea38b0e000a142b31c
[INFO] running `Command { std: "docker" "start" "-a" "43113b582047f10ddf74e69a311619983463a8dca71343ea38b0e000a142b31c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "43113b582047f10ddf74e69a311619983463a8dca71343ea38b0e000a142b31c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "43113b582047f10ddf74e69a311619983463a8dca71343ea38b0e000a142b31c", kill_on_drop: false }`
[INFO] [stdout] 43113b582047f10ddf74e69a311619983463a8dca71343ea38b0e000a142b31c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/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" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5cee23fc75e730e180402e9255a1876daf6ad006832746ef38892a53922bebd3
[INFO] running `Command { std: "docker" "start" "-a" "5cee23fc75e730e180402e9255a1876daf6ad006832746ef38892a53922bebd3", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.58
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling anyhow v1.0.38
[INFO] [stderr]    Compiling futures-io v0.3.12
[INFO] [stderr]    Compiling fastrand v1.4.1
[INFO] [stderr]    Compiling pin-project-lite v0.2.4
[INFO] [stderr]    Compiling waker-fn v1.1.0
[INFO] [stderr]    Compiling imagesnap v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling parking v2.0.0
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling futures-core v0.3.12
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling getopts v0.2.21
[INFO] [stderr]    Compiling futures-lite v1.11.3
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]    Compiling thiserror-impl v1.0.23
[INFO] [stderr]    Compiling thiserror v1.0.23
[INFO] [stdout] error[E0583]: file not found for module `os`
[INFO] [stdout]   --> src/lib.rs:18:1
[INFO] [stdout]    |
[INFO] [stdout] 18 | mod os;
[INFO] [stdout]    | ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: to create the module `os`, create file "src/os.rs" or "src/os/mod.rs"
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `Client` in `os`
[INFO] [stdout]   --> src/lib.rs:38:16
[INFO] [stdout]    |
[INFO] [stdout] 38 |         Ok(os::Client::device_names()
[INFO] [stdout]    |                ^^^^^^ could not find `Client` in `os`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `Client` in `os`
[INFO] [stdout]   --> src/lib.rs:61:23
[INFO] [stdout]    |
[INFO] [stdout] 61 |             name: os::Client::default_device(),
[INFO] [stdout]    |                       ^^^^^^ could not find `Client` in `os`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `Client` in `os`
[INFO] [stdout]   --> src/lib.rs:79:13
[INFO] [stdout]    |
[INFO] [stdout] 79 |         os::Client::capture(&self.device.name, &filename, self.warmup)
[INFO] [stdout]    |             ^^^^^^ could not find `Client` in `os`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0433, E0583.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `imagesnap` due to 5 previous errors
[INFO] running `Command { std: "docker" "inspect" "5cee23fc75e730e180402e9255a1876daf6ad006832746ef38892a53922bebd3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5cee23fc75e730e180402e9255a1876daf6ad006832746ef38892a53922bebd3", kill_on_drop: false }`
[INFO] [stdout] 5cee23fc75e730e180402e9255a1876daf6ad006832746ef38892a53922bebd3