[INFO] fetching crate mutable 0.2.8...
[INFO] testing mutable-0.2.8 against 1.90.0 for beta-1.91-3
[INFO] extracting crate mutable 0.2.8 into /workspace/builds/worker-5-tc1/source
[INFO] started tweaking crates.io crate mutable 0.2.8
[INFO] finished tweaking crates.io crate mutable 0.2.8
[INFO] tweaked toml for crates.io crate mutable 0.2.8 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate mutable 0.2.8 on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 22 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded mutable_derive v0.3.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8a60d7b8bbea460a1c62131c1ac79608a16d6991358c23acb1450743880ee7b4
[INFO] running `Command { std: "docker" "start" "-a" "8a60d7b8bbea460a1c62131c1ac79608a16d6991358c23acb1450743880ee7b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8a60d7b8bbea460a1c62131c1ac79608a16d6991358c23acb1450743880ee7b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a60d7b8bbea460a1c62131c1ac79608a16d6991358c23acb1450743880ee7b4", kill_on_drop: false }`
[INFO] [stdout] 8a60d7b8bbea460a1c62131c1ac79608a16d6991358c23acb1450743880ee7b4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 379b8dbd3a2d2ea5d74a52147c9e7295b4c0277ad966247bcdc13ac53ff0258d
[INFO] running `Command { std: "docker" "start" "-a" "379b8dbd3a2d2ea5d74a52147c9e7295b4c0277ad966247bcdc13ac53ff0258d", kill_on_drop: false }`
[INFO] [stderr]    Compiling convert_case v0.5.0
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling mutable_derive v0.3.3
[INFO] [stderr]    Compiling mutable v0.2.8 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `softeq::*`
[INFO] [stdout]  --> src/default_impl/mod.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub use softeq::*;
[INFO] [stdout]   |         ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/holder.rs:51:20
[INFO] [stdout]    |
[INFO] [stdout] 51 |     pub fn get_mut(&mut self) -> MHRefMut<M> { MHRefMut(self) }
[INFO] [stdout]    |                    ^^^^^^^^^     ----------- the same lifetime is hidden here
[INFO] [stdout]    |                    |
[INFO] [stdout]    |                    the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 51 |     pub fn get_mut(&mut self) -> MHRefMut<'_, M> { MHRefMut(self) }
[INFO] [stdout]    |                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.31s
[INFO] running `Command { std: "docker" "inspect" "379b8dbd3a2d2ea5d74a52147c9e7295b4c0277ad966247bcdc13ac53ff0258d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "379b8dbd3a2d2ea5d74a52147c9e7295b4c0277ad966247bcdc13ac53ff0258d", kill_on_drop: false }`
[INFO] [stdout] 379b8dbd3a2d2ea5d74a52147c9e7295b4c0277ad966247bcdc13ac53ff0258d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8f038c17fe596f355d54e0c736fb147c5fcd8d6186732fcee6a4973b4b937935
[INFO] running `Command { std: "docker" "start" "-a" "8f038c17fe596f355d54e0c736fb147c5fcd8d6186732fcee6a4973b4b937935", kill_on_drop: false }`
[INFO] [stderr]    Compiling mutable v0.2.8 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `softeq::*`
[INFO] [stdout]  --> src/default_impl/mod.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub use softeq::*;
[INFO] [stdout]   |         ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/holder.rs:51:20
[INFO] [stdout]    |
[INFO] [stdout] 51 |     pub fn get_mut(&mut self) -> MHRefMut<M> { MHRefMut(self) }
[INFO] [stdout]    |                    ^^^^^^^^^     ----------- the same lifetime is hidden here
[INFO] [stdout]    |                    |
[INFO] [stdout]    |                    the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 51 |     pub fn get_mut(&mut self) -> MHRefMut<'_, M> { MHRefMut(self) }
[INFO] [stdout]    |                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `softeq::*`
[INFO] [stdout]  --> src/default_impl/mod.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub use softeq::*;
[INFO] [stdout]   |         ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/holder.rs:51:20
[INFO] [stdout]    |
[INFO] [stdout] 51 |     pub fn get_mut(&mut self) -> MHRefMut<M> { MHRefMut(self) }
[INFO] [stdout]    |                    ^^^^^^^^^     ----------- the same lifetime is hidden here
[INFO] [stdout]    |                    |
[INFO] [stdout]    |                    the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 51 |     pub fn get_mut(&mut self) -> MHRefMut<'_, M> { MHRefMut(self) }
[INFO] [stdout]    |                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.38s
[INFO] running `Command { std: "docker" "inspect" "8f038c17fe596f355d54e0c736fb147c5fcd8d6186732fcee6a4973b4b937935", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f038c17fe596f355d54e0c736fb147c5fcd8d6186732fcee6a4973b4b937935", kill_on_drop: false }`
[INFO] [stdout] 8f038c17fe596f355d54e0c736fb147c5fcd8d6186732fcee6a4973b4b937935
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 7fd2aaa1dc0335a17f4dba4a3226a16eb873e141fdb29d16137ff6decc635a26
[INFO] running `Command { std: "docker" "start" "-a" "7fd2aaa1dc0335a17f4dba4a3226a16eb873e141fdb29d16137ff6decc635a26", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `softeq::*`
[INFO] [stderr]  --> src/default_impl/mod.rs:5:9
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub use softeq::*;
[INFO] [stderr]   |         ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]   --> src/holder.rs:51:20
[INFO] [stderr]    |
[INFO] [stderr] 51 |     pub fn get_mut(&mut self) -> MHRefMut<M> { MHRefMut(self) }
[INFO] [stderr]    |                    ^^^^^^^^^     ----------- the same lifetime is hidden here
[INFO] [stderr]    |                    |
[INFO] [stderr]    |                    the lifetime is elided here
[INFO] [stderr]    |
[INFO] [stderr]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]    |
[INFO] [stderr] 51 |     pub fn get_mut(&mut self) -> MHRefMut<'_, M> { MHRefMut(self) }
[INFO] [stderr]    |                                           +++
[INFO] [stderr] 
[INFO] [stderr] warning: `mutable` (lib) generated 2 warnings (run `cargo fix --lib -p mutable` to apply 1 suggestion)
[INFO] [stderr] warning: `mutable` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.44s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/mutable-c7d89a5a8665b588)
[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 mutable
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test src/lib.rs - Mutable (line 54) ... FAILED
[INFO] [stdout] test src/lib.rs - Mutable (line 28) ... FAILED
[INFO] [stdout] test src/lib.rs - (line 8) ... FAILED
[INFO] [stdout] test src/lib.rs - Mutable (line 13) ... FAILED
[INFO] [stdout] test src/lib.rs - Mutable (line 88) ... ok
[INFO] [stdout] test src/holder.rs - holder::MutableHolder (line 8) ... ok
[INFO] [stdout] test src/cmp.rs - cmp::SoftEq (line 16) ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - Mutable (line 54) stdout ----
[INFO] [stdout] error[E0252]: the name `Mutable` is defined multiple times
[INFO] [stdout]  --> src/lib.rs:58:22
[INFO] [stdout]   |
[INFO] [stdout] 4 | use mutable::Mutable;
[INFO] [stdout]   |     ---------------- previous import of the macro `Mutable` here
[INFO] [stdout] 5 | use mutable::cmp::SoftEq;
[INFO] [stdout] 6 | use mutable_derive::{Mutable, SoftEq};
[INFO] [stdout]   |                      ^^^^^^^--
[INFO] [stdout]   |                      |
[INFO] [stdout]   |                      `Mutable` reimported here
[INFO] [stdout]   |                      help: remove unnecessary import
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Mutable` must be defined only once in the macro namespace of this module
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0252`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - Mutable (line 28) stdout ----
[INFO] [stdout] error[E0252]: the name `Mutable` is defined multiple times
[INFO] [stdout]  --> src/lib.rs:31:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use mutable::Mutable;
[INFO] [stdout]   |     ---------------- previous import of the macro `Mutable` here
[INFO] [stdout] 5 | use mutable_derive::Mutable;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^ `Mutable` reimported here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Mutable` must be defined only once in the macro namespace of this module
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0252`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - (line 8) stdout ----
[INFO] [stdout] error[E0252]: the name `Mutable` is defined multiple times
[INFO] [stdout]  --> src/lib.rs:11:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use mutable::Mutable;
[INFO] [stdout]   |     ---------------- previous import of the macro `Mutable` here
[INFO] [stdout] 5 | use mutable_derive::Mutable;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^ `Mutable` reimported here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Mutable` must be defined only once in the macro namespace of this module
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0252`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - Mutable (line 13) stdout ----
[INFO] [stdout] error[E0252]: the name `Mutable` is defined multiple times
[INFO] [stdout]  --> src/lib.rs:16:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use mutable::Mutable;
[INFO] [stdout]   |     ---------------- previous import of the macro `Mutable` here
[INFO] [stdout] 6 | use mutable_derive::Mutable;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^ `Mutable` reimported here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Mutable` must be defined only once in the macro namespace of this block
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0252`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - (line 8)
[INFO] [stdout]     src/lib.rs - Mutable (line 13)
[INFO] [stdout]     src/lib.rs - Mutable (line 28)
[INFO] [stdout]     src/lib.rs - Mutable (line 54)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 3 passed; 4 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.48s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "7fd2aaa1dc0335a17f4dba4a3226a16eb873e141fdb29d16137ff6decc635a26", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7fd2aaa1dc0335a17f4dba4a3226a16eb873e141fdb29d16137ff6decc635a26", kill_on_drop: false }`
[INFO] [stdout] 7fd2aaa1dc0335a17f4dba4a3226a16eb873e141fdb29d16137ff6decc635a26
