[INFO] cloning repository https://github.com/ThatsGobbles/failure-test
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ThatsGobbles/failure-test" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FThatsGobbles%2Ffailure-test", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FThatsGobbles%2Ffailure-test'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 77db22cc2c0d5d2663efed45739ac37c96219a81
[INFO] testing ThatsGobbles/failure-test against 1.59.0 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FThatsGobbles%2Ffailure-test" "/workspace/builds/worker-24/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-24/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ThatsGobbles/failure-test on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ThatsGobbles/failure-test
[INFO] finished tweaking git repo https://github.com/ThatsGobbles/failure-test
[INFO] tweaked toml for git repo https://github.com/ThatsGobbles/failure-test written to /workspace/builds/worker-24/source/Cargo.toml
[INFO] crate git repo https://github.com/ThatsGobbles/failure-test already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/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" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1c9231457847a0a8d432fbe76b2643ccf5fbca8d522e070eb2c96ab0032bc2b3
[INFO] running `Command { std: "docker" "start" "-a" "1c9231457847a0a8d432fbe76b2643ccf5fbca8d522e070eb2c96ab0032bc2b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1c9231457847a0a8d432fbe76b2643ccf5fbca8d522e070eb2c96ab0032bc2b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c9231457847a0a8d432fbe76b2643ccf5fbca8d522e070eb2c96ab0032bc2b3", kill_on_drop: false }`
[INFO] [stdout] 1c9231457847a0a8d432fbe76b2643ccf5fbca8d522e070eb2c96ab0032bc2b3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/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" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dd35691f3287707eeb9d49dd5b80d2e4e99fe6699b369d76273b05ff2acf9d51
[INFO] running `Command { std: "docker" "start" "-a" "dd35691f3287707eeb9d49dd5b80d2e4e99fe6699b369d76273b05ff2acf9d51", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.20
[INFO] [stderr]    Compiling cc v1.0.25
[INFO] [stderr]    Compiling failure_derive v0.1.2
[INFO] [stderr]    Compiling libc v0.2.43
[INFO] [stderr]    Compiling cfg-if v0.1.5
[INFO] [stderr]    Compiling rustc-demangle v0.1.9
[INFO] [stderr]    Compiling backtrace-sys v0.1.24
[INFO] [stderr]    Compiling quote v0.6.8
[INFO] [stderr]    Compiling syn v0.14.9
[INFO] [stderr]    Compiling backtrace v0.3.9
[INFO] [stderr]    Compiling synstructure v0.9.0
[INFO] [stderr]    Compiling failure v0.1.2
[INFO] [stderr]    Compiling failure-test v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/error_kind_pair.rs:28:32
[INFO] [stdout]    |
[INFO] [stdout] 28 |     fn cause(&self) -> Option<&Fail> { self.inner.cause() }
[INFO] [stdout]    |                                ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 28 -     fn cause(&self) -> Option<&Fail> { self.inner.cause() }
[INFO] [stdout] 28 +     fn cause(&self) -> Option<&dyn Fail> { self.inner.cause() }
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/error_kind_pair.rs:67:28
[INFO] [stdout]    |
[INFO] [stdout] 67 |                 let fail: &Fail = &e;
[INFO] [stdout]    |                            ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 67 -                 let fail: &Fail = &e;
[INFO] [stdout] 67 +                 let fail: &dyn Fail = &e;
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `ErrorA1`
[INFO] [stdout]  --> src/custom_fail_type.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     ErrorA1(String),
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `ErrorA2`
[INFO] [stdout]  --> src/custom_fail_type.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     ErrorA2(String),
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `ErrorB1`
[INFO] [stdout]   --> src/custom_fail_type.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     ErrorB1(String),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `ErrorB2`
[INFO] [stdout]   --> src/custom_fail_type.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     ErrorB2(String),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `example`
[INFO] [stdout]   --> src/custom_fail_type.rs:20:8
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub fn example() {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.02s
[INFO] running `Command { std: "docker" "inspect" "dd35691f3287707eeb9d49dd5b80d2e4e99fe6699b369d76273b05ff2acf9d51", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd35691f3287707eeb9d49dd5b80d2e4e99fe6699b369d76273b05ff2acf9d51", kill_on_drop: false }`
[INFO] [stdout] dd35691f3287707eeb9d49dd5b80d2e4e99fe6699b369d76273b05ff2acf9d51
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/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" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4a4f96845bab95acd7ba07cf444c7569c92fa884bbc3f20b77a41f589a8c331a
[INFO] running `Command { std: "docker" "start" "-a" "4a4f96845bab95acd7ba07cf444c7569c92fa884bbc3f20b77a41f589a8c331a", kill_on_drop: false }`
[INFO] [stderr]    Compiling failure-test v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/error_kind_pair.rs:28:32
[INFO] [stdout]    |
[INFO] [stdout] 28 |     fn cause(&self) -> Option<&Fail> { self.inner.cause() }
[INFO] [stdout]    |                                ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 28 -     fn cause(&self) -> Option<&Fail> { self.inner.cause() }
[INFO] [stdout] 28 +     fn cause(&self) -> Option<&dyn Fail> { self.inner.cause() }
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/error_kind_pair.rs:67:28
[INFO] [stdout]    |
[INFO] [stdout] 67 |                 let fail: &Fail = &e;
[INFO] [stdout]    |                            ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 67 -                 let fail: &Fail = &e;
[INFO] [stdout] 67 +                 let fail: &dyn Fail = &e;
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `ErrorA1`
[INFO] [stdout]  --> src/custom_fail_type.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     ErrorA1(String),
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `ErrorA2`
[INFO] [stdout]  --> src/custom_fail_type.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     ErrorA2(String),
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `ErrorB1`
[INFO] [stdout]   --> src/custom_fail_type.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     ErrorB1(String),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `ErrorB2`
[INFO] [stdout]   --> src/custom_fail_type.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     ErrorB2(String),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `example`
[INFO] [stdout]   --> src/custom_fail_type.rs:20:8
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub fn example() {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.40s
[INFO] running `Command { std: "docker" "inspect" "4a4f96845bab95acd7ba07cf444c7569c92fa884bbc3f20b77a41f589a8c331a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a4f96845bab95acd7ba07cf444c7569c92fa884bbc3f20b77a41f589a8c331a", kill_on_drop: false }`
[INFO] [stdout] 4a4f96845bab95acd7ba07cf444c7569c92fa884bbc3f20b77a41f589a8c331a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/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" "+1.59.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 293bb8bfa6b87996fbf7b2f243de69680df19422c8c843fe8fabcbe1ac59cde2
[INFO] running `Command { std: "docker" "start" "-a" "293bb8bfa6b87996fbf7b2f243de69680df19422c8c843fe8fabcbe1ac59cde2", kill_on_drop: false }`
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/error_kind_pair.rs:28:32
[INFO] [stderr]    |
[INFO] [stderr] 28 |     fn cause(&self) -> Option<&Fail> { self.inner.cause() }
[INFO] [stderr]    |                                ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 28 -     fn cause(&self) -> Option<&Fail> { self.inner.cause() }
[INFO] [stderr] 28 +     fn cause(&self) -> Option<&dyn Fail> { self.inner.cause() }
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/error_kind_pair.rs:67:28
[INFO] [stderr]    |
[INFO] [stderr] 67 |                 let fail: &Fail = &e;
[INFO] [stderr]    |                            ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 67 -                 let fail: &Fail = &e;
[INFO] [stderr] 67 +                 let fail: &dyn Fail = &e;
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `ErrorA1`
[INFO] [stderr]  --> src/custom_fail_type.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 |     ErrorA1(String),
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `ErrorA2`
[INFO] [stderr]  --> src/custom_fail_type.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 |     ErrorA2(String),
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `ErrorB1`
[INFO] [stderr]   --> src/custom_fail_type.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 |     ErrorB1(String),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `ErrorB2`
[INFO] [stderr]   --> src/custom_fail_type.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 |     ErrorB2(String),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `example`
[INFO] [stderr]   --> src/custom_fail_type.rs:20:8
[INFO] [stderr]    |
[INFO] [stderr] 20 | pub fn example() {
[INFO] [stderr]    |        ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `failure-test` (bin "failure-test" test) generated 7 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/failure_test-01f4e9a5110e4f00)
[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" "293bb8bfa6b87996fbf7b2f243de69680df19422c8c843fe8fabcbe1ac59cde2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "293bb8bfa6b87996fbf7b2f243de69680df19422c8c843fe8fabcbe1ac59cde2", kill_on_drop: false }`
[INFO] [stdout] 293bb8bfa6b87996fbf7b2f243de69680df19422c8c843fe8fabcbe1ac59cde2