[INFO] fetching crate safex11 0.0.5...
[INFO] testing safex11-0.0.5 against 1.49.0 for beta-1.50-1
[INFO] extracting crate safex11 0.0.5 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate safex11 0.0.5 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 safex11 0.0.5
[INFO] finished tweaking crates.io crate safex11 0.0.5
[INFO] tweaked toml for crates.io crate safex11 0.0.5 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[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] 0f9b467720b5d6947283c9ae2d1621df214533c409e34a2235397048b6d0b329
[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" "0f9b467720b5d6947283c9ae2d1621df214533c409e34a2235397048b6d0b329", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0f9b467720b5d6947283c9ae2d1621df214533c409e34a2235397048b6d0b329", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0f9b467720b5d6947283c9ae2d1621df214533c409e34a2235397048b6d0b329", kill_on_drop: false }`
[INFO] [stdout] 0f9b467720b5d6947283c9ae2d1621df214533c409e34a2235397048b6d0b329
[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] ef56c091e5b09fdc386297965ef1b5e5638402a17e868434e8378ebbfb38c17f
[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" "ef56c091e5b09fdc386297965ef1b5e5638402a17e868434e8378ebbfb38c17f", kill_on_drop: false }`
[INFO] [stderr]    Compiling safex11 v0.0.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::env`
[INFO] [stdout]  --> build.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::env;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs::File`
[INFO] [stdout]  --> build.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::fs::File;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::path::Path`
[INFO] [stdout]  --> build.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::path::Path;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.27s
[INFO] running `Command { std: "docker" "inspect" "ef56c091e5b09fdc386297965ef1b5e5638402a17e868434e8378ebbfb38c17f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef56c091e5b09fdc386297965ef1b5e5638402a17e868434e8378ebbfb38c17f", kill_on_drop: false }`
[INFO] [stdout] ef56c091e5b09fdc386297965ef1b5e5638402a17e868434e8378ebbfb38c17f
[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] 46259bbf9d415af4a53f62160b5299a4b2242dca695c2300434dad5c930b77e3
[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" "46259bbf9d415af4a53f62160b5299a4b2242dca695c2300434dad5c930b77e3", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling safex11 v0.0.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::env`
[INFO] [stdout]  --> build.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::env;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs::File`
[INFO] [stdout]  --> build.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::fs::File;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::path::Path`
[INFO] [stdout]  --> build.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::path::Path;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.92s
[INFO] running `Command { std: "docker" "inspect" "46259bbf9d415af4a53f62160b5299a4b2242dca695c2300434dad5c930b77e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "46259bbf9d415af4a53f62160b5299a4b2242dca695c2300434dad5c930b77e3", kill_on_drop: false }`
[INFO] [stdout] 46259bbf9d415af4a53f62160b5299a4b2242dca695c2300434dad5c930b77e3
[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] 8a0946afb32c6e87ef9ff143d233dcaacda075814a494827237718074efec477
[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" "8a0946afb32c6e87ef9ff143d233dcaacda075814a494827237718074efec477", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `std::env`
[INFO] [stderr]  --> build.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::env;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::fs::File`
[INFO] [stderr]  --> build.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::fs::File;
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::path::Path`
[INFO] [stderr]  --> build.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::path::Path;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/safex11-823606d5bb7871e5
[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 safex11
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] [stdout] test src/xlib/display.rs - xlib::display::Display::connect (line 37) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/xlib/display.rs - xlib::display::Display::connect (line 37) stdout ----
[INFO] [stdout] error: casts cannot be followed by a field access
[INFO] [stdout]  --> src/xlib/display.rs:38:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | hostname:number.screen_number
[INFO] [stdout]   | ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout] help: try surrounding the expression in parentheses
[INFO] [stdout]   |
[INFO] [stdout] 3 | (hostname:number).screen_number
[INFO] [stdout]   | ^               ^
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `hostname` in this scope
[INFO] [stdout]  --> src/xlib/display.rs:38:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | hostname:number.screen_number
[INFO] [stdout]   | ^^^^^^^^- help: maybe you meant to write a path separator here: `::`
[INFO] [stdout]   | |
[INFO] [stdout]   | not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0425`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/xlib/display.rs - xlib::display::Display::connect (line 37)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "8a0946afb32c6e87ef9ff143d233dcaacda075814a494827237718074efec477", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a0946afb32c6e87ef9ff143d233dcaacda075814a494827237718074efec477", kill_on_drop: false }`
[INFO] [stdout] 8a0946afb32c6e87ef9ff143d233dcaacda075814a494827237718074efec477