[INFO] fetching crate native-dialog 0.4.1...
[INFO] testing native-dialog-0.4.1 against beta-2020-07-24 for beta-1.46-1
[INFO] extracting crate native-dialog 0.4.1 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate native-dialog 0.4.1 on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate native-dialog 0.4.1
[INFO] finished tweaking crates.io crate native-dialog 0.4.1
[INFO] tweaked toml for crates.io crate native-dialog 0.4.1 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate crates.io crate native-dialog 0.4.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded wfd v0.1.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f6f4baaa5a93d132e1d443ef1c4ac28760deed60976ee8aa621488eed135f303
[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" "f6f4baaa5a93d132e1d443ef1c4ac28760deed60976ee8aa621488eed135f303", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f6f4baaa5a93d132e1d443ef1c4ac28760deed60976ee8aa621488eed135f303", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f6f4baaa5a93d132e1d443ef1c4ac28760deed60976ee8aa621488eed135f303", kill_on_drop: false }`
[INFO] [stdout] f6f4baaa5a93d132e1d443ef1c4ac28760deed60976ee8aa621488eed135f303
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 87a2a33582018b56bda472e3a0f49eaadd787fe78f04462e80e1cd3b8a5a15c3
[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" "87a2a33582018b56bda472e3a0f49eaadd787fe78f04462e80e1cd3b8a5a15c3", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.18
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.31
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling thiserror-impl v1.0.19
[INFO] [stderr]    Compiling thiserror v1.0.19
[INFO] [stderr]    Compiling which v4.0.0
[INFO] [stderr]    Compiling native-dialog v0.4.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Result`
[INFO] [stdout]  --> src/impl/gnu/mod.rs:1:20
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::{Error, Result};
[INFO] [stdout]   |                    ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ffi::OsString`
[INFO] [stdout]  --> src/impl/gnu/mod.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::ffi::OsString;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::path::PathBuf`
[INFO] [stdout]  --> src/impl/gnu/mod.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::path::PathBuf;
[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 15.18s
[INFO] running `Command { std: "docker" "inspect" "87a2a33582018b56bda472e3a0f49eaadd787fe78f04462e80e1cd3b8a5a15c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "87a2a33582018b56bda472e3a0f49eaadd787fe78f04462e80e1cd3b8a5a15c3", kill_on_drop: false }`
[INFO] [stdout] 87a2a33582018b56bda472e3a0f49eaadd787fe78f04462e80e1cd3b8a5a15c3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 80306832d4fed84acc8b03b240e78bf0d97199be721f06488e264889523814ac
[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" "80306832d4fed84acc8b03b240e78bf0d97199be721f06488e264889523814ac", kill_on_drop: false }`
[INFO] [stderr]    Compiling native-dialog v0.4.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Result`
[INFO] [stdout]  --> src/impl/gnu/mod.rs:1:20
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::{Error, Result};
[INFO] [stdout]   |                    ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ffi::OsString`
[INFO] [stdout]  --> src/impl/gnu/mod.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::ffi::OsString;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::path::PathBuf`
[INFO] [stdout]  --> src/impl/gnu/mod.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::path::PathBuf;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Result`
[INFO] [stdout]  --> src/impl/gnu/mod.rs:1:20
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::{Error, Result};
[INFO] [stdout]   |                    ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ffi::OsString`
[INFO] [stdout]  --> src/impl/gnu/mod.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::ffi::OsString;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::path::PathBuf`
[INFO] [stdout]  --> src/impl/gnu/mod.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::path::PathBuf;
[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 1.01s
[INFO] running `Command { std: "docker" "inspect" "80306832d4fed84acc8b03b240e78bf0d97199be721f06488e264889523814ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "80306832d4fed84acc8b03b240e78bf0d97199be721f06488e264889523814ac", kill_on_drop: false }`
[INFO] [stdout] 80306832d4fed84acc8b03b240e78bf0d97199be721f06488e264889523814ac
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 1e5e9183c913b8e27f5d6bce3133ad22b8ead56c783e931a2c7837cd61b4f0a4
[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" "1e5e9183c913b8e27f5d6bce3133ad22b8ead56c783e931a2c7837cd61b4f0a4", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `Result`
[INFO] [stderr]  --> src/impl/gnu/mod.rs:1:20
[INFO] [stderr]   |
[INFO] [stderr] 1 | use crate::{Error, Result};
[INFO] [stderr]   |                    ^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::ffi::OsString`
[INFO] [stderr]  --> src/impl/gnu/mod.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::ffi::OsString;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::path::PathBuf`
[INFO] [stderr]  --> src/impl/gnu/mod.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::path::PathBuf;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Result`
[INFO] [stderr]  --> src/impl/gnu/mod.rs:1:20
[INFO] [stderr]   |
[INFO] [stderr] 1 | use crate::{Error, Result};
[INFO] [stderr]   |                    ^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::ffi::OsString`
[INFO] [stderr]  --> src/impl/gnu/mod.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::ffi::OsString;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::path::PathBuf`
[INFO] [stderr]  --> src/impl/gnu/mod.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::path::PathBuf;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.12s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/native_dialog-e23450708b0168ac
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests native-dialog
[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] [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] running `Command { std: "docker" "inspect" "1e5e9183c913b8e27f5d6bce3133ad22b8ead56c783e931a2c7837cd61b4f0a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1e5e9183c913b8e27f5d6bce3133ad22b8ead56c783e931a2c7837cd61b4f0a4", kill_on_drop: false }`
[INFO] [stdout] 1e5e9183c913b8e27f5d6bce3133ad22b8ead56c783e931a2c7837cd61b4f0a4