[INFO] cloning repository https://github.com/xurtis/screencap
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/xurtis/screencap" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxurtis%2Fscreencap", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxurtis%2Fscreencap'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9fbd25bb9f6c1879fb311df1b016a31ba65ba4a9
[INFO] testing xurtis/screencap against beta-2022-02-22 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxurtis%2Fscreencap" "/workspace/builds/worker-16/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-16/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/xurtis/screencap on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/xurtis/screencap
[INFO] finished tweaking git repo https://github.com/xurtis/screencap
[INFO] tweaked toml for git repo https://github.com/xurtis/screencap written to /workspace/builds/worker-16/source/Cargo.toml
[INFO] crate git repo https://github.com/xurtis/screencap already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 651e2cfb8a2499360e0dea16a52bf63ff7d098751a9dd65e0e34c3897ca64148
[INFO] running `Command { std: "docker" "start" "-a" "651e2cfb8a2499360e0dea16a52bf63ff7d098751a9dd65e0e34c3897ca64148", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "651e2cfb8a2499360e0dea16a52bf63ff7d098751a9dd65e0e34c3897ca64148", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "651e2cfb8a2499360e0dea16a52bf63ff7d098751a9dd65e0e34c3897ca64148", kill_on_drop: false }`
[INFO] [stdout] 651e2cfb8a2499360e0dea16a52bf63ff7d098751a9dd65e0e34c3897ca64148
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dd07018a8d744812b01878493cc8bcda955dc3018ddbf27e93fa7e2b0d837440
[INFO] running `Command { std: "docker" "start" "-a" "dd07018a8d744812b01878493cc8bcda955dc3018ddbf27e93fa7e2b0d837440", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.46
[INFO] [stderr]    Compiling textwrap v0.10.0
[INFO] [stderr]    Compiling atty v0.2.11
[INFO] [stderr]    Compiling time v0.1.41
[INFO] [stderr]    Compiling hostname v0.1.5
[INFO] [stderr]    Compiling num_cpus v1.9.0
[INFO] [stderr]    Compiling clap v2.32.0
[INFO] [stderr]    Compiling chrono v0.4.6
[INFO] [stderr]    Compiling screencap v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `description`
[INFO] [stdout]    --> src/util.rs:107:5
[INFO] [stdout]     |
[INFO] [stdout] 107 |     description: String,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] note: `FFMPEGSupport` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    --> src/util.rs:104:10
[INFO] [stdout]     |
[INFO] [stdout] 104 | #[derive(Debug, Clone)]
[INFO] [stdout]     |          ^^^^^  ^^^^^
[INFO] [stdout]     = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/util.rs:14:17
[INFO] [stdout]     |
[INFO] [stdout] 14  |         exec!(@(&mut command) $($args)*);
[INFO] [stdout]     |                 ^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/main.rs:112:32
[INFO] [stdout]     |
[INFO] [stdout] 112 |     let lines = command_output(exec!(xdpyinfo));
[INFO] [stdout]     |                                --------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this warning originates in the macro `exec` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 14  |         exec!(@(let _ = &mut command) $($args)*);
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.85s
[INFO] running `Command { std: "docker" "inspect" "dd07018a8d744812b01878493cc8bcda955dc3018ddbf27e93fa7e2b0d837440", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd07018a8d744812b01878493cc8bcda955dc3018ddbf27e93fa7e2b0d837440", kill_on_drop: false }`
[INFO] [stdout] dd07018a8d744812b01878493cc8bcda955dc3018ddbf27e93fa7e2b0d837440
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1bf4be72dbfbe9653ff1db2a9ab6bf72824b71e6b03495aadc7ecb7b2c999456
[INFO] running `Command { std: "docker" "start" "-a" "1bf4be72dbfbe9653ff1db2a9ab6bf72824b71e6b03495aadc7ecb7b2c999456", kill_on_drop: false }`
[INFO] [stderr]    Compiling screencap v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `description`
[INFO] [stdout]    --> src/util.rs:107:5
[INFO] [stdout]     |
[INFO] [stdout] 107 |     description: String,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] note: `FFMPEGSupport` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    --> src/util.rs:104:10
[INFO] [stdout]     |
[INFO] [stdout] 104 | #[derive(Debug, Clone)]
[INFO] [stdout]     |          ^^^^^  ^^^^^
[INFO] [stdout]     = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/util.rs:14:17
[INFO] [stdout]     |
[INFO] [stdout] 14  |         exec!(@(&mut command) $($args)*);
[INFO] [stdout]     |                 ^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/main.rs:112:32
[INFO] [stdout]     |
[INFO] [stdout] 112 |     let lines = command_output(exec!(xdpyinfo));
[INFO] [stdout]     |                                --------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this warning originates in the macro `exec` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 14  |         exec!(@(let _ = &mut command) $($args)*);
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.38s
[INFO] running `Command { std: "docker" "inspect" "1bf4be72dbfbe9653ff1db2a9ab6bf72824b71e6b03495aadc7ecb7b2c999456", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1bf4be72dbfbe9653ff1db2a9ab6bf72824b71e6b03495aadc7ecb7b2c999456", kill_on_drop: false }`
[INFO] [stdout] 1bf4be72dbfbe9653ff1db2a9ab6bf72824b71e6b03495aadc7ecb7b2c999456
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4a544395ce6154c39ac78d101ff84a60afc7773ee2f72a56b99badf7e3b9d6f8
[INFO] running `Command { std: "docker" "start" "-a" "4a544395ce6154c39ac78d101ff84a60afc7773ee2f72a56b99badf7e3b9d6f8", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: field is never read: `description`
[INFO] [stderr]    --> src/util.rs:107:5
[INFO] [stderr]     |
[INFO] [stderr] 107 |     description: String,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] note: `FFMPEGSupport` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr]    --> src/util.rs:104:10
[INFO] [stderr]     |
[INFO] [stderr] 104 | #[derive(Debug, Clone)]
[INFO] [stderr]     |          ^^^^^  ^^^^^
[INFO] [stderr]     = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused borrow that must be used
[INFO] [stderr]    --> src/util.rs:14:17
[INFO] [stderr]     |
[INFO] [stderr] 14  |         exec!(@(&mut command) $($args)*);
[INFO] [stderr]     |                 ^^^^^^^^^^^^ the borrow produces a value
[INFO] [stderr]     |
[INFO] [stderr]    ::: src/main.rs:112:32
[INFO] [stderr]     |
[INFO] [stderr] 112 |     let lines = command_output(exec!(xdpyinfo));
[INFO] [stderr]     |                                --------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]     = note: this warning originates in the macro `exec` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 14  |         exec!(@(let _ = &mut command) $($args)*);
[INFO] [stderr]     |                 +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: `screencap` (bin "screencap" test) generated 2 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.12s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/screencap-b462dad72193d4c3)
[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" "4a544395ce6154c39ac78d101ff84a60afc7773ee2f72a56b99badf7e3b9d6f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a544395ce6154c39ac78d101ff84a60afc7773ee2f72a56b99badf7e3b9d6f8", kill_on_drop: false }`
[INFO] [stdout] 4a544395ce6154c39ac78d101ff84a60afc7773ee2f72a56b99badf7e3b9d6f8