[INFO] fetching crate dmenu_facade 0.3.0...
[INFO] testing dmenu_facade-0.3.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate dmenu_facade 0.3.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate dmenu_facade 0.3.0 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate dmenu_facade 0.3.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate dmenu_facade 0.3.0
[INFO] tweaked toml for crates.io crate dmenu_facade 0.3.0 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate crates.io crate dmenu_facade 0.3.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--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-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0ffc695a622f848355d3f0387206fc59b535613e79116d809967e236e16e495e
[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" "0ffc695a622f848355d3f0387206fc59b535613e79116d809967e236e16e495e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0ffc695a622f848355d3f0387206fc59b535613e79116d809967e236e16e495e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0ffc695a622f848355d3f0387206fc59b535613e79116d809967e236e16e495e", kill_on_drop: false }`
[INFO] [stdout] 0ffc695a622f848355d3f0387206fc59b535613e79116d809967e236e16e495e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f721c14472375e0aa3df22258c85da1dccab93d2da5d58a4164c76677fc5873f
[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" "f721c14472375e0aa3df22258c85da1dccab93d2da5d58a4164c76677fc5873f", kill_on_drop: false }`
[INFO] [stderr]    Compiling dmenu_facade v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.26s
[INFO] running `Command { std: "docker" "inspect" "f721c14472375e0aa3df22258c85da1dccab93d2da5d58a4164c76677fc5873f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f721c14472375e0aa3df22258c85da1dccab93d2da5d58a4164c76677fc5873f", kill_on_drop: false }`
[INFO] [stdout] f721c14472375e0aa3df22258c85da1dccab93d2da5d58a4164c76677fc5873f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9e5081ddb16d57cb768ee4e2cc77878a87e18f9f4a3eb4dcf4b41dfcb13d3d9f
[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" "9e5081ddb16d57cb768ee4e2cc77878a87e18f9f4a3eb4dcf4b41dfcb13d3d9f", kill_on_drop: false }`
[INFO] [stderr]    Compiling dmenu_facade v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.60s
[INFO] running `Command { std: "docker" "inspect" "9e5081ddb16d57cb768ee4e2cc77878a87e18f9f4a3eb4dcf4b41dfcb13d3d9f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e5081ddb16d57cb768ee4e2cc77878a87e18f9f4a3eb4dcf4b41dfcb13d3d9f", kill_on_drop: false }`
[INFO] [stdout] 9e5081ddb16d57cb768ee4e2cc77878a87e18f9f4a3eb4dcf4b41dfcb13d3d9f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 629dd3d9a6dd2c1215390ace769566f9372bcee8da2c5e0d50622dbe5fe88830
[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" "629dd3d9a6dd2c1215390ace769566f9372bcee8da2c5e0d50622dbe5fe88830", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/dmenu_facade-27e563907dec0280
[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
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests dmenu_facade
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test src/lib.rs - DMenu (line 11) ... FAILED
[INFO] [stdout] test src/lib.rs - DMenu::with_font (line 118) ... ok
[INFO] [stdout] test src/lib.rs - DMenu::display_on_monitor (line 93) ... ok
[INFO] [stdout] test src/lib.rs - DMenu::vertical_with_lines (line 80) ... ok
[INFO] [stdout] test src/lib.rs - DMenu::with_prompt (line 106) ... ok
[INFO] [stdout] test src/lib.rs - DMenu::with_colors (line 132) ... ok
[INFO] [stdout] test src/lib.rs - DMenu::display_bottom (line 56) ... ok
[INFO] [stdout] test src/lib.rs - DMenu::case_insensitive (line 68) ... ok
[INFO] [stdout] test src/lib.rs - DMenu::with_colors (line 139) ... ok
[INFO] [stdout] test src/lib.rs - DMenu::execute (line 210) ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - DMenu (line 11) stdout ----
[INFO] [stdout] error[E0277]: `std::result::Result<&&str, Box<dyn std::error::Error>>` doesn't implement `std::fmt::Display`
[INFO] [stdout]   --> src/lib.rs:19:20
[INFO] [stdout]    |
[INFO] [stdout] 11 |     println!("{}", chosen);
[INFO] [stdout]    |                    ^^^^^^ `std::result::Result<&&str, Box<dyn std::error::Error>>` cannot be formatted with the default formatter
[INFO] [stdout]    |
[INFO] [stdout]    = help: the trait `std::fmt::Display` is not implemented for `std::result::Result<&&str, Box<dyn std::error::Error>>`
[INFO] [stdout]    = note: in format strings you may be able to use `{:?}` (or {:#?} for pretty-print) instead
[INFO] [stdout]    = note: required by `std::fmt::Display::fmt`
[INFO] [stdout]    = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - DMenu (line 11)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 9 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] running `Command { std: "docker" "inspect" "629dd3d9a6dd2c1215390ace769566f9372bcee8da2c5e0d50622dbe5fe88830", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "629dd3d9a6dd2c1215390ace769566f9372bcee8da2c5e0d50622dbe5fe88830", kill_on_drop: false }`
[INFO] [stdout] 629dd3d9a6dd2c1215390ace769566f9372bcee8da2c5e0d50622dbe5fe88830