[INFO] fetching crate chainerror 0.7.0... [INFO] testing chainerror-0.7.0 against master#99e3aef02079e9c10583638520cd0c134dc3a01d for pr-85530 [INFO] extracting crate chainerror 0.7.0 into /workspace/builds/worker-11/source [INFO] validating manifest of crates.io crate chainerror 0.7.0 on toolchain 99e3aef02079e9c10583638520cd0c134dc3a01d [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate chainerror 0.7.0 [INFO] finished tweaking crates.io crate chainerror 0.7.0 [INFO] tweaked toml for crates.io crate chainerror 0.7.0 written to /workspace/builds/worker-11/source/Cargo.toml [INFO] crate crates.io crate chainerror 0.7.0 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 640b75eeab4d096af59649c5409741baca7793fc082b4c3459cd53afa7d2bd52 [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" "640b75eeab4d096af59649c5409741baca7793fc082b4c3459cd53afa7d2bd52", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "640b75eeab4d096af59649c5409741baca7793fc082b4c3459cd53afa7d2bd52", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "640b75eeab4d096af59649c5409741baca7793fc082b4c3459cd53afa7d2bd52", kill_on_drop: false }` [INFO] [stdout] 640b75eeab4d096af59649c5409741baca7793fc082b4c3459cd53afa7d2bd52 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 925acd3cfafb379e52e6f4c5a4723f2f0e7b4bafe0236b441368ae56a21b79a8 [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" "925acd3cfafb379e52e6f4c5a4723f2f0e7b4bafe0236b441368ae56a21b79a8", kill_on_drop: false }` [INFO] [stderr] Compiling chainerror v0.7.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:201:32 [INFO] [stdout] | [INFO] [stdout] 201 | self.iter().filter_map(Error::downcast_ref::).next() [INFO] [stdout] | ^^^^^ help: use `dyn`: `` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:223:25 [INFO] [stdout] | [INFO] [stdout] 223 | .filter_map(Error::downcast_ref::>) [INFO] [stdout] | ^^^^^ help: use `dyn`: `` [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.17s [INFO] running `Command { std: "docker" "inspect" "925acd3cfafb379e52e6f4c5a4723f2f0e7b4bafe0236b441368ae56a21b79a8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "925acd3cfafb379e52e6f4c5a4723f2f0e7b4bafe0236b441368ae56a21b79a8", kill_on_drop: false }` [INFO] [stdout] 925acd3cfafb379e52e6f4c5a4723f2f0e7b4bafe0236b441368ae56a21b79a8 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 35277cd5eaba5cc3751572cb00b427464f93f82e45c6ae3b30b48a5a770c7a3f [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" "35277cd5eaba5cc3751572cb00b427464f93f82e45c6ae3b30b48a5a770c7a3f", kill_on_drop: false }` [INFO] [stderr] Compiling chainerror v0.7.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:201:32 [INFO] [stdout] | [INFO] [stdout] 201 | self.iter().filter_map(Error::downcast_ref::).next() [INFO] [stdout] | ^^^^^ help: use `dyn`: `` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:223:25 [INFO] [stdout] | [INFO] [stdout] 223 | .filter_map(Error::downcast_ref::>) [INFO] [stdout] | ^^^^^ help: use `dyn`: `` [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [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/test_iter.rs:27:21 [INFO] [stdout] | [INFO] [stdout] 27 | .filter_map(Error::downcast_ref::) [INFO] [stdout] | ^^^^^ help: use `dyn`: `` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> tests/test_iter.rs:91:53 [INFO] [stdout] | [INFO] [stdout] 91 | let io_error: Option<&io::Error> = err.and_then(Error::downcast_ref::); [INFO] [stdout] | ^^^^^ help: use `dyn`: `` [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:201:32 [INFO] [stdout] | [INFO] [stdout] 201 | self.iter().filter_map(Error::downcast_ref::).next() [INFO] [stdout] | ^^^^^ help: use `dyn`: `` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:223:25 [INFO] [stdout] | [INFO] [stdout] 223 | .filter_map(Error::downcast_ref::>) [INFO] [stdout] | ^^^^^ help: use `dyn`: `` [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.69s [INFO] running `Command { std: "docker" "inspect" "35277cd5eaba5cc3751572cb00b427464f93f82e45c6ae3b30b48a5a770c7a3f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "35277cd5eaba5cc3751572cb00b427464f93f82e45c6ae3b30b48a5a770c7a3f", kill_on_drop: false }` [INFO] [stdout] 35277cd5eaba5cc3751572cb00b427464f93f82e45c6ae3b30b48a5a770c7a3f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 41dec8e32d2d799b20e4fa7e45c86d419d7277eb07d5f1f18dd687795ee35bcd [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" "41dec8e32d2d799b20e4fa7e45c86d419d7277eb07d5f1f18dd687795ee35bcd", kill_on_drop: false }` [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib.rs:201:32 [INFO] [stderr] | [INFO] [stderr] 201 | self.iter().filter_map(Error::downcast_ref::).next() [INFO] [stderr] | ^^^^^ help: use `dyn`: `` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stderr] = note: for more information, see issue #80165 [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib.rs:223:25 [INFO] [stderr] | [INFO] [stderr] 223 | .filter_map(Error::downcast_ref::>) [INFO] [stderr] | ^^^^^ help: use `dyn`: `` [INFO] [stderr] | [INFO] [stderr] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stderr] = note: for more information, see issue #80165 [INFO] [stderr] [INFO] [stderr] warning: 2 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib.rs:201:32 [INFO] [stderr] | [INFO] [stderr] 201 | self.iter().filter_map(Error::downcast_ref::).next() [INFO] [stderr] | ^^^^^ help: use `dyn`: `` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stderr] = note: for more information, see issue #80165 [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib.rs:223:25 [INFO] [stderr] | [INFO] [stderr] 223 | .filter_map(Error::downcast_ref::>) [INFO] [stderr] | ^^^^^ help: use `dyn`: `` [INFO] [stderr] | [INFO] [stderr] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stderr] = note: for more information, see issue #80165 [INFO] [stderr] [INFO] [stderr] warning: 2 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> tests/test_iter.rs:27:21 [INFO] [stderr] | [INFO] [stderr] 27 | .filter_map(Error::downcast_ref::) [INFO] [stderr] | ^^^^^ help: use `dyn`: `` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stderr] = note: for more information, see issue #80165 [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> tests/test_iter.rs:91:53 [INFO] [stderr] | [INFO] [stderr] 91 | let io_error: Option<&io::Error> = err.and_then(Error::downcast_ref::); [INFO] [stderr] | ^^^^^ help: use `dyn`: `` [INFO] [stderr] | [INFO] [stderr] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stderr] = note: for more information, see issue #80165 [INFO] [stderr] [INFO] [stderr] warning: 2 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.01s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/chainerror-d9b504b6253bb82f) [INFO] [stdout] [INFO] [stderr] Running tests/test_iter.rs (/opt/rustwide/target/debug/deps/test_iter-ca27524ae7fe43d0) [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] [stdout] [INFO] [stdout] running 3 tests [INFO] [stdout] test test_find_cause ... ok [INFO] [stdout] test test_iter ... ok [INFO] [stdout] test test_root_cause ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s [INFO] [stdout] [INFO] [stderr] Doc-tests chainerror [INFO] [stdout] [INFO] [stdout] running 8 tests [INFO] [stdout] test src/lib.rs - (line 6) ... ok [INFO] [stdout] test src/lib.rs - ChainError::find_chain_cause (line 210) ... ok [INFO] [stdout] test src/lib.rs - (line 41) ... ok [INFO] [stdout] test src/lib.rs - derive_err_kind (line 745) ... ok [INFO] [stdout] test src/lib.rs - ChainError::find_kind_or_cause (line 233) ... ok [INFO] [stdout] test src/lib.rs - ChainError::find_cause (line 160) ... ok [INFO] [stdout] test src/lib.rs - derive_str_context (line 682) ... ok [INFO] [stdout] test src/lib.rs - ChainError::kind (line 262) ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.03s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "41dec8e32d2d799b20e4fa7e45c86d419d7277eb07d5f1f18dd687795ee35bcd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "41dec8e32d2d799b20e4fa7e45c86d419d7277eb07d5f1f18dd687795ee35bcd", kill_on_drop: false }` [INFO] [stdout] 41dec8e32d2d799b20e4fa7e45c86d419d7277eb07d5f1f18dd687795ee35bcd