[INFO] fetching crate my-pretty-failure 0.1.2... [INFO] testing my-pretty-failure-0.1.2 against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799 [INFO] extracting crate my-pretty-failure 0.1.2 into /workspace/builds/worker-20/source [INFO] validating manifest of crates.io crate my-pretty-failure 0.1.2 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 crates.io crate my-pretty-failure 0.1.2 [INFO] finished tweaking crates.io crate my-pretty-failure 0.1.2 [INFO] tweaked toml for crates.io crate my-pretty-failure 0.1.2 written to /workspace/builds/worker-20/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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] 2dcf9f8f147c8952296e14e2633ca748ee920e6ad93eb6cf5e2f41e2732bce19 [INFO] running `Command { std: "docker" "start" "-a" "2dcf9f8f147c8952296e14e2633ca748ee920e6ad93eb6cf5e2f41e2732bce19", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "2dcf9f8f147c8952296e14e2633ca748ee920e6ad93eb6cf5e2f41e2732bce19", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2dcf9f8f147c8952296e14e2633ca748ee920e6ad93eb6cf5e2f41e2732bce19", kill_on_drop: false }` [INFO] [stdout] 2dcf9f8f147c8952296e14e2633ca748ee920e6ad93eb6cf5e2f41e2732bce19 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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] c1c845815ed51332d5f6c50ae18e02ffaf67a1acad3d6635fcf702fbeeaa6a86 [INFO] running `Command { std: "docker" "start" "-a" "c1c845815ed51332d5f6c50ae18e02ffaf67a1acad3d6635fcf702fbeeaa6a86", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling syn v1.0.82 [INFO] [stderr] Compiling memchr v2.4.1 [INFO] [stderr] Compiling libc v0.2.108 [INFO] [stderr] Compiling failure_derive v0.1.8 [INFO] [stderr] Compiling gimli v0.26.1 [INFO] [stderr] Compiling adler v1.0.2 [INFO] [stderr] Compiling rustc-demangle v0.1.21 [INFO] [stderr] Compiling miniz_oxide v0.4.4 [INFO] [stderr] Compiling backtrace v0.3.63 [INFO] [stderr] Compiling object v0.27.1 [INFO] [stderr] Compiling synstructure v0.12.6 [INFO] [stderr] Compiling addr2line v0.17.0 [INFO] [stderr] Compiling failure v0.1.8 [INFO] [stderr] Compiling my-pretty-failure v0.1.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:86:68 [INFO] [stdout] | [INFO] [stdout] 86 | pub fn myprettyfailure_option(option: MyPrettyFailurePrint, fail: &Fail) -> String { [INFO] [stdout] | ^^^^ help: use `dyn`: `dyn Fail` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:121:31 [INFO] [stdout] | [INFO] [stdout] 121 | pub fn myprettyfailure(fail: &Fail) -> String { [INFO] [stdout] | ^^^^ help: use `dyn`: `dyn Fail` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 5.96s [INFO] running `Command { std: "docker" "inspect" "c1c845815ed51332d5f6c50ae18e02ffaf67a1acad3d6635fcf702fbeeaa6a86", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c1c845815ed51332d5f6c50ae18e02ffaf67a1acad3d6635fcf702fbeeaa6a86", kill_on_drop: false }` [INFO] [stdout] c1c845815ed51332d5f6c50ae18e02ffaf67a1acad3d6635fcf702fbeeaa6a86 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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] 2f0dee4bf13bc719a2594d44a223f2c210ed15343fe17008e7bef0cf5ff3e8f3 [INFO] running `Command { std: "docker" "start" "-a" "2f0dee4bf13bc719a2594d44a223f2c210ed15343fe17008e7bef0cf5ff3e8f3", kill_on_drop: false }` [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:86:68 [INFO] [stdout] | [INFO] [stdout] 86 | pub fn myprettyfailure_option(option: MyPrettyFailurePrint, fail: &Fail) -> String { [INFO] [stdout] | ^^^^ help: use `dyn`: `dyn Fail` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling my-pretty-failure v0.1.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:121:31 [INFO] [stdout] | [INFO] [stdout] 121 | pub fn myprettyfailure(fail: &Fail) -> String { [INFO] [stdout] | ^^^^ help: use `dyn`: `dyn Fail` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> tests/0001_myprettyfailure.rs:13:52 [INFO] [stdout] | [INFO] [stdout] 13 | impl Fail for MyError { fn cause(&self) -> Option<&Fail> { self.inner.cause()} fn backtrace(&self) -> Option<&Backtrace> {self.inner.back... [INFO] [stdout] | ^^^^ help: use `dyn`: `dyn Fail` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:86:68 [INFO] [stdout] | [INFO] [stdout] 86 | pub fn myprettyfailure_option(option: MyPrettyFailurePrint, fail: &Fail) -> String { [INFO] [stdout] | ^^^^ help: use `dyn`: `dyn Fail` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:121:31 [INFO] [stdout] | [INFO] [stdout] 121 | pub fn myprettyfailure(fail: &Fail) -> String { [INFO] [stdout] | ^^^^ help: use `dyn`: `dyn Fail` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> examples/helpme.rs:41:32 [INFO] [stdout] | [INFO] [stdout] 41 | fn cause(&self) -> Option<&Fail> { [INFO] [stdout] | ^^^^ help: use `dyn`: `dyn Fail` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> examples/helpme.rs:89:32 [INFO] [stdout] | [INFO] [stdout] 89 | fn cause(&self) -> Option<&Fail> { [INFO] [stdout] | ^^^^ help: use `dyn`: `dyn Fail` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> examples/helpme.rs:137:32 [INFO] [stdout] | [INFO] [stdout] 137 | fn cause(&self) -> Option<&Fail> { [INFO] [stdout] | ^^^^ help: use `dyn`: `dyn Fail` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.74s [INFO] running `Command { std: "docker" "inspect" "2f0dee4bf13bc719a2594d44a223f2c210ed15343fe17008e7bef0cf5ff3e8f3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2f0dee4bf13bc719a2594d44a223f2c210ed15343fe17008e7bef0cf5ff3e8f3", kill_on_drop: false }` [INFO] [stdout] 2f0dee4bf13bc719a2594d44a223f2c210ed15343fe17008e7bef0cf5ff3e8f3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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] 13650707d3d2527cff6f1ccba403c59d08c6522750321d0835fc551e97047140 [INFO] running `Command { std: "docker" "start" "-a" "13650707d3d2527cff6f1ccba403c59d08c6522750321d0835fc551e97047140", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib.rs:86:68 [INFO] [stderr] | [INFO] [stderr] 86 | pub fn myprettyfailure_option(option: MyPrettyFailurePrint, fail: &Fail) -> String { [INFO] [stderr] | ^^^^ help: use `dyn`: `dyn Fail` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib.rs:121:31 [INFO] [stderr] | [INFO] [stderr] 121 | pub fn myprettyfailure(fail: &Fail) -> String { [INFO] [stderr] | ^^^^ help: use `dyn`: `dyn Fail` [INFO] [stderr] | [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see [INFO] [stderr] [INFO] [stderr] warning: `my-pretty-failure` (lib) generated 2 warnings [INFO] [stderr] warning: `my-pretty-failure` (lib test) generated 2 warnings (2 duplicates) [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> tests/0001_myprettyfailure.rs:13:52 [INFO] [stderr] | [INFO] [stderr] 13 | impl Fail for MyError { fn cause(&self) -> Option<&Fail> { self.inner.cause()} fn backtrace(&self) -> Option<&Backtrace> {self.inner.back... [INFO] [stderr] | ^^^^ help: use `dyn`: `dyn Fail` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> examples/helpme.rs:41:32 [INFO] [stderr] | [INFO] [stderr] 41 | fn cause(&self) -> Option<&Fail> { [INFO] [stderr] | ^^^^ help: use `dyn`: `dyn Fail` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> examples/helpme.rs:89:32 [INFO] [stderr] | [INFO] [stderr] 89 | fn cause(&self) -> Option<&Fail> { [INFO] [stderr] | ^^^^ help: use `dyn`: `dyn Fail` [INFO] [stderr] | [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> examples/helpme.rs:137:32 [INFO] [stderr] | [INFO] [stderr] 137 | fn cause(&self) -> Option<&Fail> { [INFO] [stderr] | ^^^^ help: use `dyn`: `dyn Fail` [INFO] [stderr] | [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see [INFO] [stderr] [INFO] [stderr] warning: `my-pretty-failure` (test "0001_myprettyfailure") generated 1 warning [INFO] [stderr] warning: `my-pretty-failure` (example "helpme") generated 3 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.55s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/my_pretty_failure-ffb713cffda2f641) [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] [stderr] Running tests/0001_myprettyfailure.rs (/opt/rustwide/target/debug/deps/0001_myprettyfailure-9ab2ac7adb78677e) [INFO] [stdout] [INFO] [stdout] running 2 tests [INFO] [stdout] test myprettyfailure_0001_equal ... ok [INFO] [stdout] test myprettyfailure_0002_option ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Doc-tests my-pretty-failure [INFO] [stdout] [INFO] [stdout] running 2 tests [INFO] [stdout] test src/lib.rs - (line 13) ... ignored [INFO] [stdout] test src/lib.rs - (line 35) ... ignored [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 2 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "13650707d3d2527cff6f1ccba403c59d08c6522750321d0835fc551e97047140", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "13650707d3d2527cff6f1ccba403c59d08c6522750321d0835fc551e97047140", kill_on_drop: false }` [INFO] [stdout] 13650707d3d2527cff6f1ccba403c59d08c6522750321d0835fc551e97047140