[INFO] fetching crate err-ctx 0.2.3... [INFO] testing err-ctx-0.2.3 against beta-2022-02-22 for beta-1.60-1 [INFO] extracting crate err-ctx 0.2.3 into /workspace/builds/worker-44/source [INFO] validating manifest of crates.io crate err-ctx 0.2.3 on toolchain beta-2022-02-22 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate err-ctx 0.2.3 [INFO] finished tweaking crates.io crate err-ctx 0.2.3 [INFO] tweaked toml for crates.io crate err-ctx 0.2.3 written to /workspace/builds/worker-44/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-44/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-44/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" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] a488677cb734c27888caa56d03743b592ce7f14c449213561d936fb58239e5f2 [INFO] running `Command { std: "docker" "start" "-a" "a488677cb734c27888caa56d03743b592ce7f14c449213561d936fb58239e5f2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a488677cb734c27888caa56d03743b592ce7f14c449213561d936fb58239e5f2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a488677cb734c27888caa56d03743b592ce7f14c449213561d936fb58239e5f2", kill_on_drop: false }` [INFO] [stdout] a488677cb734c27888caa56d03743b592ce7f14c449213561d936fb58239e5f2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-44/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-44/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" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 1f054df912ce8670e47c36f94113ea5eb345e5179509864d3024b2be62ffe0b7 [INFO] running `Command { std: "docker" "start" "-a" "1f054df912ce8670e47c36f94113ea5eb345e5179509864d3024b2be62ffe0b7", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling err-ctx v0.2.3 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:76:18 [INFO] [stdout] | [INFO] [stdout] 76 | impl>> ErrorExt for T { [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 [INFO] [stdout] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 76 - impl>> ErrorExt for T { [INFO] [stdout] 76 + impl>> ErrorExt for T { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 7.20s [INFO] running `Command { std: "docker" "inspect" "1f054df912ce8670e47c36f94113ea5eb345e5179509864d3024b2be62ffe0b7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1f054df912ce8670e47c36f94113ea5eb345e5179509864d3024b2be62ffe0b7", kill_on_drop: false }` [INFO] [stdout] 1f054df912ce8670e47c36f94113ea5eb345e5179509864d3024b2be62ffe0b7 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-44/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-44/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" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] a335301d9937217c52aae1d4859c10eb7ad24ac2ca5cd64bdaedb560bb0bbbba [INFO] running `Command { std: "docker" "start" "-a" "a335301d9937217c52aae1d4859c10eb7ad24ac2ca5cd64bdaedb560bb0bbbba", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:76:18 [INFO] [stdout] | [INFO] [stdout] 76 | impl>> ErrorExt for T { [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 [INFO] [stdout] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 76 - impl>> ErrorExt for T { [INFO] [stdout] 76 + impl>> ErrorExt for T { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling err-ctx v0.2.3 (/opt/rustwide/workdir) [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:76:18 [INFO] [stdout] | [INFO] [stdout] 76 | impl>> ErrorExt for T { [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 [INFO] [stdout] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 76 - impl>> ErrorExt for T { [INFO] [stdout] 76 + impl>> ErrorExt for T { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.53s [INFO] running `Command { std: "docker" "inspect" "a335301d9937217c52aae1d4859c10eb7ad24ac2ca5cd64bdaedb560bb0bbbba", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a335301d9937217c52aae1d4859c10eb7ad24ac2ca5cd64bdaedb560bb0bbbba", kill_on_drop: false }` [INFO] [stdout] a335301d9937217c52aae1d4859c10eb7ad24ac2ca5cd64bdaedb560bb0bbbba [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-44/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-44/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" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 29df02d3bc411752ab9a9e7751c9b1c05b7faaf04e5caf1fb08c8df4d184fcb4 [INFO] running `Command { std: "docker" "start" "-a" "29df02d3bc411752ab9a9e7751c9b1c05b7faaf04e5caf1fb08c8df4d184fcb4", kill_on_drop: false }` [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib.rs:76:18 [INFO] [stderr] | [INFO] [stderr] 76 | impl>> ErrorExt for T { [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 [INFO] [stderr] help: use `dyn` [INFO] [stderr] | [INFO] [stderr] 76 - impl>> ErrorExt for T { [INFO] [stderr] 76 + impl>> ErrorExt for T { [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: `err-ctx` (lib) generated 1 warning [INFO] [stderr] warning: `err-ctx` (lib test) generated 1 warning (1 duplicate) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.08s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/err_ctx-6438bec72041f840) [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] Doc-tests err-ctx [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test src/lib.rs - (line 7) ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.25s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "29df02d3bc411752ab9a9e7751c9b1c05b7faaf04e5caf1fb08c8df4d184fcb4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "29df02d3bc411752ab9a9e7751c9b1c05b7faaf04e5caf1fb08c8df4d184fcb4", kill_on_drop: false }` [INFO] [stdout] 29df02d3bc411752ab9a9e7751c9b1c05b7faaf04e5caf1fb08c8df4d184fcb4