[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 master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxurtis%2Fscreencap" "/workspace/builds/worker-33/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-33/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/xurtis/screencap on toolchain 62efba8a050c64249dab942951bb28f710208bc8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "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-33/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" "+62efba8a050c64249dab942951bb28f710208bc8" "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-33/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-33/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b80de639d2bbdb50101bd09c402fac27f0be22e112d05897cc6166f0249f0eb6
[INFO] running `Command { std: "docker" "start" "-a" "b80de639d2bbdb50101bd09c402fac27f0be22e112d05897cc6166f0249f0eb6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b80de639d2bbdb50101bd09c402fac27f0be22e112d05897cc6166f0249f0eb6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b80de639d2bbdb50101bd09c402fac27f0be22e112d05897cc6166f0249f0eb6", kill_on_drop: false }`
[INFO] [stdout] b80de639d2bbdb50101bd09c402fac27f0be22e112d05897cc6166f0249f0eb6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-33/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-33/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" "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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b89f127af2f5711dffd4cf82325f8f7467fa86c0f74b80be348d8f2161b92d63
[INFO] running `Command { std: "docker" "start" "-a" "b89f127af2f5711dffd4cf82325f8f7467fa86c0f74b80be348d8f2161b92d63", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.46
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]    Compiling unicode-width v0.1.5
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling strsim v0.7.0
[INFO] [stderr]    Compiling bitflags v1.0.4
[INFO] [stderr]    Compiling vec_map v0.8.1
[INFO] [stderr]    Compiling textwrap v0.10.0
[INFO] [stderr]    Compiling time v0.1.41
[INFO] [stderr]    Compiling atty v0.2.11
[INFO] [stderr]    Compiling num_cpus v1.9.0
[INFO] [stderr]    Compiling hostname v0.1.5
[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] 
[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 35.70s
[INFO] running `Command { std: "docker" "inspect" "b89f127af2f5711dffd4cf82325f8f7467fa86c0f74b80be348d8f2161b92d63", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b89f127af2f5711dffd4cf82325f8f7467fa86c0f74b80be348d8f2161b92d63", kill_on_drop: false }`
[INFO] [stdout] b89f127af2f5711dffd4cf82325f8f7467fa86c0f74b80be348d8f2161b92d63
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-33/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-33/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" "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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 69eaa3fa139f5f8226a55a99461ecad0504ba88411d53220105d78137f0e7a88
[INFO] running `Command { std: "docker" "start" "-a" "69eaa3fa139f5f8226a55a99461ecad0504ba88411d53220105d78137f0e7a88", 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] 
[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 1.54s
[INFO] running `Command { std: "docker" "inspect" "69eaa3fa139f5f8226a55a99461ecad0504ba88411d53220105d78137f0e7a88", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "69eaa3fa139f5f8226a55a99461ecad0504ba88411d53220105d78137f0e7a88", kill_on_drop: false }`
[INFO] [stdout] 69eaa3fa139f5f8226a55a99461ecad0504ba88411d53220105d78137f0e7a88
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-33/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-33/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" "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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 3265e01ded6ab7216b69344dbaf5065de54e738ae4f03ac15a054ef9dafb7086
[INFO] running `Command { std: "docker" "start" "-a" "3265e01ded6ab7216b69344dbaf5065de54e738ae4f03ac15a054ef9dafb7086", 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] 
[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 14.39s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/screencap-e31941055a1666dd)
[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 0.01s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "3265e01ded6ab7216b69344dbaf5065de54e738ae4f03ac15a054ef9dafb7086", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3265e01ded6ab7216b69344dbaf5065de54e738ae4f03ac15a054ef9dafb7086", kill_on_drop: false }`
[INFO] [stdout] 3265e01ded6ab7216b69344dbaf5065de54e738ae4f03ac15a054ef9dafb7086