[INFO] fetching crate schemer 0.1.2...
[INFO] testing schemer-0.1.2 against 1.59.0 for beta-1.60-1
[INFO] extracting crate schemer 0.1.2 into /workspace/builds/worker-26/source
[INFO] validating manifest of crates.io crate schemer 0.1.2 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 crates.io crate schemer 0.1.2
[INFO] finished tweaking crates.io crate schemer 0.1.2
[INFO] tweaked toml for crates.io crate schemer 0.1.2 written to /workspace/builds/worker-26/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[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-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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] 78ac955343d0b6549e45ddbdd7a26bb76f7d108b191e49da9061606e6aefcf04
[INFO] running `Command { std: "docker" "start" "-a" "78ac955343d0b6549e45ddbdd7a26bb76f7d108b191e49da9061606e6aefcf04", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "78ac955343d0b6549e45ddbdd7a26bb76f7d108b191e49da9061606e6aefcf04", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "78ac955343d0b6549e45ddbdd7a26bb76f7d108b191e49da9061606e6aefcf04", kill_on_drop: false }`
[INFO] [stdout] 78ac955343d0b6549e45ddbdd7a26bb76f7d108b191e49da9061606e6aefcf04
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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] 4c2c4ba0d1b24a9e367a5aa6838acd1061cf2f29aedf6da836cb5265f6cc08e3
[INFO] running `Command { std: "docker" "start" "-a" "4c2c4ba0d1b24a9e367a5aa6838acd1061cf2f29aedf6da836cb5265f6cc08e3", kill_on_drop: false }`
[INFO] [stderr]    Compiling fixedbitset v0.1.9
[INFO] [stderr]    Compiling uuid v0.5.1
[INFO] [stderr]    Compiling backtrace v0.3.64
[INFO] [stderr]    Compiling petgraph v0.4.13
[INFO] [stderr]    Compiling daggy v0.5.0
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling schemer v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]   --> src/lib.rs:13:1
[INFO] [stdout]    |
[INFO] [stdout] 13 | #[macro_use]
[INFO] [stdout]    | ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]    --> src/lib.rs:132:35
[INFO] [stdout]     |
[INFO] [stdout] 132 |     fn apply_migration(&mut self, &Self::MigrationType) -> Result<(), Self::Error>;
[INFO] [stdout]     |                                   ^^^^^^^^^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &Self::MigrationType`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(anonymous_parameters)]` on by default
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]     = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]    --> src/lib.rs:135:36
[INFO] [stdout]     |
[INFO] [stdout] 135 |     fn revert_migration(&mut self, &Self::MigrationType) -> Result<(), Self::Error>;
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &Self::MigrationType`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]     = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.07s
[INFO] running `Command { std: "docker" "inspect" "4c2c4ba0d1b24a9e367a5aa6838acd1061cf2f29aedf6da836cb5265f6cc08e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c2c4ba0d1b24a9e367a5aa6838acd1061cf2f29aedf6da836cb5265f6cc08e3", kill_on_drop: false }`
[INFO] [stdout] 4c2c4ba0d1b24a9e367a5aa6838acd1061cf2f29aedf6da836cb5265f6cc08e3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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] bbef126741c5e2f4f219dd591a21ac477195ec07f60f497017e837dd8807edb7
[INFO] running `Command { std: "docker" "start" "-a" "bbef126741c5e2f4f219dd591a21ac477195ec07f60f497017e837dd8807edb7", kill_on_drop: false }`
[INFO] [stderr]    Compiling schemer v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]   --> src/lib.rs:13:1
[INFO] [stdout]    |
[INFO] [stdout] 13 | #[macro_use]
[INFO] [stdout]    | ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]    --> src/lib.rs:132:35
[INFO] [stdout]     |
[INFO] [stdout] 132 |     fn apply_migration(&mut self, &Self::MigrationType) -> Result<(), Self::Error>;
[INFO] [stdout]     |                                   ^^^^^^^^^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &Self::MigrationType`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(anonymous_parameters)]` on by default
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]     = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]    --> src/lib.rs:135:36
[INFO] [stdout]     |
[INFO] [stdout] 135 |     fn revert_migration(&mut self, &Self::MigrationType) -> Result<(), Self::Error>;
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &Self::MigrationType`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]     = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]   --> src/lib.rs:13:1
[INFO] [stdout]    |
[INFO] [stdout] 13 | #[macro_use]
[INFO] [stdout]    | ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]    --> src/lib.rs:132:35
[INFO] [stdout]     |
[INFO] [stdout] 132 |     fn apply_migration(&mut self, &Self::MigrationType) -> Result<(), Self::Error>;
[INFO] [stdout]     |                                   ^^^^^^^^^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &Self::MigrationType`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(anonymous_parameters)]` on by default
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]     = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]    --> src/lib.rs:135:36
[INFO] [stdout]     |
[INFO] [stdout] 135 |     fn revert_migration(&mut self, &Self::MigrationType) -> Result<(), Self::Error>;
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &Self::MigrationType`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]     = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/testing.rs:76:23
[INFO] [stdout]     |
[INFO] [stdout] 76  |                 $setup;
[INFO] [stdout]     |                       ^ help: remove this semicolon
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/lib.rs:407:5
[INFO] [stdout]     |
[INFO] [stdout] 407 |     test_schemer_adapter!(DefaultTestAdapter::new());
[INFO] [stdout]     |     ------------------------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout]     = note: this warning originates in the macro `test_schemer_adapter` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:382:30
[INFO] [stdout]     |
[INFO] [stdout] 382 |         type MigrationType = Migration;
[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 2015) 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] 382 -         type MigrationType = Migration;
[INFO] [stdout] 382 +         type MigrationType = dyn Migration;
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.23s
[INFO] running `Command { std: "docker" "inspect" "bbef126741c5e2f4f219dd591a21ac477195ec07f60f497017e837dd8807edb7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bbef126741c5e2f4f219dd591a21ac477195ec07f60f497017e837dd8807edb7", kill_on_drop: false }`
[INFO] [stdout] bbef126741c5e2f4f219dd591a21ac477195ec07f60f497017e837dd8807edb7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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] 660a79c679c06a8a18b0e994cfaa337f8359f40ae213ba7e913cda481f0466ce
[INFO] running `Command { std: "docker" "start" "-a" "660a79c679c06a8a18b0e994cfaa337f8359f40ae213ba7e913cda481f0466ce", kill_on_drop: false }`
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]   --> src/lib.rs:13:1
[INFO] [stderr]    |
[INFO] [stderr] 13 | #[macro_use]
[INFO] [stderr]    | ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stderr]    --> src/lib.rs:132:35
[INFO] [stderr]     |
[INFO] [stderr] 132 |     fn apply_migration(&mut self, &Self::MigrationType) -> Result<(), Self::Error>;
[INFO] [stderr]     |                                   ^^^^^^^^^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &Self::MigrationType`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(anonymous_parameters)]` on by default
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stderr]     = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stderr] 
[INFO] [stderr] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stderr]    --> src/lib.rs:135:36
[INFO] [stderr]     |
[INFO] [stderr] 135 |     fn revert_migration(&mut self, &Self::MigrationType) -> Result<(), Self::Error>;
[INFO] [stderr]     |                                    ^^^^^^^^^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &Self::MigrationType`
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stderr]     = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]    --> src/testing.rs:76:23
[INFO] [stderr]     |
[INFO] [stderr] 76  |                 $setup;
[INFO] [stderr]     |                       ^ help: remove this semicolon
[INFO] [stderr]     |
[INFO] [stderr]    ::: src/lib.rs:407:5
[INFO] [stderr]     |
[INFO] [stderr] 407 |     test_schemer_adapter!(DefaultTestAdapter::new());
[INFO] [stderr]     |     ------------------------------------------------ in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stderr]     = note: this warning originates in the macro `test_schemer_adapter` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:382:30
[INFO] [stderr]     |
[INFO] [stderr] 382 |         type MigrationType = Migration;
[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 2015) 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] 382 -         type MigrationType = Migration;
[INFO] [stderr] 382 +         type MigrationType = dyn Migration;
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: `schemer` (lib) generated 3 warnings
[INFO] [stderr] warning: `schemer` (lib test) generated 5 warnings (3 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/schemer-34c61f08a77e8234)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stderr]    Doc-tests schemer
[INFO] [stdout] test tests::test_branching_dag ... ok
[INFO] [stdout] test tests::test_migration_chain ... ok
[INFO] [stdout] test tests::test_multi_component_dag ... ok
[INFO] [stdout] test tests::test_single_migration ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/testing.rs - testing::test_schemer_adapter (line 50) ... ignored
[INFO] [stdout] test src/lib.rs - migration (line 51) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out; finished in 0.54s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "660a79c679c06a8a18b0e994cfaa337f8359f40ae213ba7e913cda481f0466ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "660a79c679c06a8a18b0e994cfaa337f8359f40ae213ba7e913cda481f0466ce", kill_on_drop: false }`
[INFO] [stdout] 660a79c679c06a8a18b0e994cfaa337f8359f40ae213ba7e913cda481f0466ce