[INFO] cloning repository https://github.com/grncdr/mmr [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/grncdr/mmr" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgrncdr%2Fmmr", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgrncdr%2Fmmr'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 6f5dc7f7682de2c90374d29d7be55096a4045d0c [INFO] testing grncdr/mmr against try#8262275854dc0e5381c9d42d56257d94932c5a87 for pr-90799 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgrncdr%2Fmmr" "/workspace/builds/worker-76/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-76/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/grncdr/mmr on toolchain 8262275854dc0e5381c9d42d56257d94932c5a87 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/grncdr/mmr [INFO] finished tweaking git repo https://github.com/grncdr/mmr [INFO] tweaked toml for git repo https://github.com/grncdr/mmr written to /workspace/builds/worker-76/source/Cargo.toml [INFO] crate git repo https://github.com/grncdr/mmr already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded exec v0.3.1 [INFO] [stderr] Downloaded utime v0.1.3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/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" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 0b735bdc914e934b7334585ceb856703cabb94a1f80c52e9ccd7f25e1055d16b [INFO] running `Command { std: "docker" "start" "-a" "0b735bdc914e934b7334585ceb856703cabb94a1f80c52e9ccd7f25e1055d16b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "0b735bdc914e934b7334585ceb856703cabb94a1f80c52e9ccd7f25e1055d16b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0b735bdc914e934b7334585ceb856703cabb94a1f80c52e9ccd7f25e1055d16b", kill_on_drop: false }` [INFO] [stdout] 0b735bdc914e934b7334585ceb856703cabb94a1f80c52e9ccd7f25e1055d16b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/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" "+8262275854dc0e5381c9d42d56257d94932c5a87" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 372340f805f6f3f26767ccc578bc0facad01f9186565ad68bf44790bf15c158f [INFO] running `Command { std: "docker" "start" "-a" "372340f805f6f3f26767ccc578bc0facad01f9186565ad68bf44790bf15c158f", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling winapi-build v0.1.1 [INFO] [stderr] Compiling libc v0.2.39 [INFO] [stderr] Compiling winapi v0.3.4 [INFO] [stderr] Compiling unicode-width v0.1.4 [INFO] [stderr] Compiling ansi_term v0.11.0 [INFO] [stderr] Compiling vec_map v0.8.0 [INFO] [stderr] Compiling libc v0.1.12 [INFO] [stderr] Compiling winapi v0.2.8 [INFO] [stderr] Compiling bitflags v1.0.1 [INFO] [stderr] Compiling textwrap v0.9.0 [INFO] [stderr] Compiling kernel32-sys v0.1.4 [INFO] [stderr] Compiling errno v0.2.3 [INFO] [stderr] Compiling atty v0.2.8 [INFO] [stderr] Compiling clap v2.31.1 [INFO] [stderr] Compiling exec v0.3.1 [INFO] [stderr] Compiling utime v0.1.3 [INFO] [stderr] Compiling mmr v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:90:32 [INFO] [stdout] | [INFO] [stdout] 90 | fn cause(&self) -> Option<&ErrorTrait> { [INFO] [stdout] | ^^^^^^^^^^ help: use `dyn`: `dyn ErrorTrait` [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: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/main.rs:85:38 [INFO] [stdout] | [INFO] [stdout] 85 | &Error::Exec(ref e) => e.description(), [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/main.rs:86:36 [INFO] [stdout] | [INFO] [stdout] 86 | &Error::IO(ref e) => e.description(), [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/main.rs:87:39 [INFO] [stdout] | [INFO] [stdout] 87 | &Error::Clock(ref e) => e.description(), [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `std::error::Error::cause`: replaced by Error::source, which can support downcasting [INFO] [stdout] --> src/main.rs:92:38 [INFO] [stdout] | [INFO] [stdout] 92 | &Error::Exec(ref e) => e.cause(), [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `std::error::Error::cause`: replaced by Error::source, which can support downcasting [INFO] [stdout] --> src/main.rs:93:36 [INFO] [stdout] | [INFO] [stdout] 93 | &Error::IO(ref e) => e.cause(), [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `std::error::Error::cause`: replaced by Error::source, which can support downcasting [INFO] [stdout] --> src/main.rs:94:39 [INFO] [stdout] | [INFO] [stdout] 94 | &Error::Clock(ref e) => e.cause(), [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 21.02s [INFO] running `Command { std: "docker" "inspect" "372340f805f6f3f26767ccc578bc0facad01f9186565ad68bf44790bf15c158f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "372340f805f6f3f26767ccc578bc0facad01f9186565ad68bf44790bf15c158f", kill_on_drop: false }` [INFO] [stdout] 372340f805f6f3f26767ccc578bc0facad01f9186565ad68bf44790bf15c158f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/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" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 7a3e6c99d542972d516465a8d9fd012bb11c2341412ba3fe7dad8004ea9b228b [INFO] running `Command { std: "docker" "start" "-a" "7a3e6c99d542972d516465a8d9fd012bb11c2341412ba3fe7dad8004ea9b228b", kill_on_drop: false }` [INFO] [stderr] Compiling mmr v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:90:32 [INFO] [stdout] | [INFO] [stdout] 90 | fn cause(&self) -> Option<&ErrorTrait> { [INFO] [stdout] | ^^^^^^^^^^ help: use `dyn`: `dyn ErrorTrait` [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: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/main.rs:85:38 [INFO] [stdout] | [INFO] [stdout] 85 | &Error::Exec(ref e) => e.description(), [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/main.rs:86:36 [INFO] [stdout] | [INFO] [stdout] 86 | &Error::IO(ref e) => e.description(), [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/main.rs:87:39 [INFO] [stdout] | [INFO] [stdout] 87 | &Error::Clock(ref e) => e.description(), [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `std::error::Error::cause`: replaced by Error::source, which can support downcasting [INFO] [stdout] --> src/main.rs:92:38 [INFO] [stdout] | [INFO] [stdout] 92 | &Error::Exec(ref e) => e.cause(), [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `std::error::Error::cause`: replaced by Error::source, which can support downcasting [INFO] [stdout] --> src/main.rs:93:36 [INFO] [stdout] | [INFO] [stdout] 93 | &Error::IO(ref e) => e.cause(), [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `std::error::Error::cause`: replaced by Error::source, which can support downcasting [INFO] [stdout] --> src/main.rs:94:39 [INFO] [stdout] | [INFO] [stdout] 94 | &Error::Clock(ref e) => e.cause(), [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 0.89s [INFO] running `Command { std: "docker" "inspect" "7a3e6c99d542972d516465a8d9fd012bb11c2341412ba3fe7dad8004ea9b228b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7a3e6c99d542972d516465a8d9fd012bb11c2341412ba3fe7dad8004ea9b228b", kill_on_drop: false }` [INFO] [stdout] 7a3e6c99d542972d516465a8d9fd012bb11c2341412ba3fe7dad8004ea9b228b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/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" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 840e4efa2c61c4f1bea1bb59b208ee35281e43f36d56af4e281b247698377053 [INFO] running `Command { std: "docker" "start" "-a" "840e4efa2c61c4f1bea1bb59b208ee35281e43f36d56af4e281b247698377053", kill_on_drop: false }` [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/main.rs:90:32 [INFO] [stderr] | [INFO] [stderr] 90 | fn cause(&self) -> Option<&ErrorTrait> { [INFO] [stderr] | ^^^^^^^^^^ help: use `dyn`: `dyn ErrorTrait` [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: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string() [INFO] [stderr] --> src/main.rs:85:38 [INFO] [stderr] | [INFO] [stderr] 85 | &Error::Exec(ref e) => e.description(), [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(deprecated)]` on by default [INFO] [stderr] [INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string() [INFO] [stderr] --> src/main.rs:86:36 [INFO] [stderr] | [INFO] [stderr] 86 | &Error::IO(ref e) => e.description(), [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string() [INFO] [stderr] --> src/main.rs:87:39 [INFO] [stderr] | [INFO] [stderr] 87 | &Error::Clock(ref e) => e.description(), [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated associated function `std::error::Error::cause`: replaced by Error::source, which can support downcasting [INFO] [stderr] --> src/main.rs:92:38 [INFO] [stderr] | [INFO] [stderr] 92 | &Error::Exec(ref e) => e.cause(), [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated associated function `std::error::Error::cause`: replaced by Error::source, which can support downcasting [INFO] [stderr] --> src/main.rs:93:36 [INFO] [stderr] | [INFO] [stderr] 93 | &Error::IO(ref e) => e.cause(), [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated associated function `std::error::Error::cause`: replaced by Error::source, which can support downcasting [INFO] [stderr] --> src/main.rs:94:39 [INFO] [stderr] | [INFO] [stderr] 94 | &Error::Clock(ref e) => e.cause(), [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: `mmr` (bin "mmr" test) generated 7 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.02s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/mmr-1b583bf67581a68f) [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" "840e4efa2c61c4f1bea1bb59b208ee35281e43f36d56af4e281b247698377053", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "840e4efa2c61c4f1bea1bb59b208ee35281e43f36d56af4e281b247698377053", kill_on_drop: false }` [INFO] [stdout] 840e4efa2c61c4f1bea1bb59b208ee35281e43f36d56af4e281b247698377053