[INFO] crate len_constraints 0.1.2 is already in cache
[INFO] checking len_constraints-0.1.2 against master#45d050cde277b22a755847338f2acc2c7b834141 for pr-71393
[INFO] extracting crate len_constraints 0.1.2 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate len_constraints 0.1.2 on toolchain 45d050cde277b22a755847338f2acc2c7b834141
[INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate len_constraints 0.1.2
[INFO] finished tweaking crates.io crate len_constraints 0.1.2
[INFO] tweaked toml for crates.io crate len_constraints 0.1.2 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] d60aa9ffe2ae9097321330bb2b90530b7b49296f927dd3e72ab4305fe351f0f4
[INFO] running `"docker" "start" "-a" "d60aa9ffe2ae9097321330bb2b90530b7b49296f927dd3e72ab4305fe351f0f4"`
[INFO] [stderr]     Checking len_constraints v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/type_math.rs:41:51
[INFO] [stderr]    |
[INFO] [stderr] 41 |     fn r#do(a: usize, b: usize) -> Result<usize, Box<Error + 'static>>;
[INFO] [stderr]    |                                                      ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Error + 'static`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/type_math.rs:41:51
[INFO] [stderr]    |
[INFO] [stderr] 41 |     fn r#do(a: usize, b: usize) -> Result<usize, Box<Error + 'static>>;
[INFO] [stderr]    |                                                      ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Error + 'static`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/type_math.rs:48:51
[INFO] [stderr]    |
[INFO] [stderr] 48 |     fn r#do(a: usize, b: usize) -> Result<usize, Box<Error + 'static>> {
[INFO] [stderr]    |                                                      ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Error + 'static`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/type_math.rs:57:51
[INFO] [stderr]    |
[INFO] [stderr] 57 |     fn r#do(a: usize, b: usize) -> Result<usize, Box<Error + 'static>> {
[INFO] [stderr]    |                                                      ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Error + 'static`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/type_math.rs:48:51
[INFO] [stderr]    |
[INFO] [stderr] 48 |     fn r#do(a: usize, b: usize) -> Result<usize, Box<Error + 'static>> {
[INFO] [stderr]    |                                                      ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Error + 'static`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/type_math.rs:66:51
[INFO] [stderr]    |
[INFO] [stderr] 66 |     fn r#do(a: usize, b: usize) -> Result<usize, Box<Error + 'static>> {
[INFO] [stderr]    |                                                      ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Error + 'static`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/type_math.rs:75:51
[INFO] [stderr]    |
[INFO] [stderr] 75 |     fn r#do(a: usize, b: usize) -> Result<usize, Box<Error + 'static>> {
[INFO] [stderr]    |                                                      ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Error + 'static`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/type_math.rs:57:51
[INFO] [stderr]    |
[INFO] [stderr] 57 |     fn r#do(a: usize, b: usize) -> Result<usize, Box<Error + 'static>> {
[INFO] [stderr]    |                                                      ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Error + 'static`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/slice.rs:57:19
[INFO] [stderr]    |
[INFO] [stderr] 57 |     type Error = Box<Error + 'static>;
[INFO] [stderr]    |                      ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Error + 'static`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/type_math.rs:66:51
[INFO] [stderr]    |
[INFO] [stderr] 66 |     fn r#do(a: usize, b: usize) -> Result<usize, Box<Error + 'static>> {
[INFO] [stderr]    |                                                      ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Error + 'static`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/type_math.rs:75:51
[INFO] [stderr]    |
[INFO] [stderr] 75 |     fn r#do(a: usize, b: usize) -> Result<usize, Box<Error + 'static>> {
[INFO] [stderr]    |                                                      ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Error + 'static`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/slice.rs:76:19
[INFO] [stderr]    |
[INFO] [stderr] 76 |     type Error = Box<Error + 'static>;
[INFO] [stderr]    |                      ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Error + 'static`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/slice.rs:57:19
[INFO] [stderr]    |
[INFO] [stderr] 57 |     type Error = Box<Error + 'static>;
[INFO] [stderr]    |                      ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Error + 'static`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/slice.rs:100:73
[INFO] [stderr]     |
[INFO] [stderr] 100 |     pub fn try_from(slice: &'a[T], relative_to: usize) -> Result<Self, Box<Error + 'static>> {
[INFO] [stderr]     |                                                                            ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Error + 'static`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/slice.rs:76:19
[INFO] [stderr]    |
[INFO] [stderr] 76 |     type Error = Box<Error + 'static>;
[INFO] [stderr]    |                      ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Error + 'static`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/slice.rs:107:63
[INFO] [stderr]     |
[INFO] [stderr] 107 |     pub fn slice(self, relative_to: usize) -> Result<&'a[T], Box<Error + 'static>> {
[INFO] [stderr]     |                                                                  ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Error + 'static`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/slice.rs:100:73
[INFO] [stderr]     |
[INFO] [stderr] 100 |     pub fn try_from(slice: &'a[T], relative_to: usize) -> Result<Self, Box<Error + 'static>> {
[INFO] [stderr]     |                                                                            ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Error + 'static`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/slice.rs:113:64
[INFO] [stderr]     |
[INFO] [stderr] 113 |     fn validate(len: usize, relative_to: usize) -> Result<(), Box<Error + 'static>> {
[INFO] [stderr]     |                                                                   ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Error + 'static`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/slice_mut.rs:81:19
[INFO] [stderr]    |
[INFO] [stderr] 81 |     type Error = Box<Error + 'static>;
[INFO] [stderr]    |                      ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Error + 'static`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/slice.rs:107:63
[INFO] [stderr]     |
[INFO] [stderr] 107 |     pub fn slice(self, relative_to: usize) -> Result<&'a[T], Box<Error + 'static>> {
[INFO] [stderr]     |                                                                  ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Error + 'static`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/slice_mut.rs:100:19
[INFO] [stderr]     |
[INFO] [stderr] 100 |     type Error = Box<Error + 'static>;
[INFO] [stderr]     |                      ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Error + 'static`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/slice.rs:113:64
[INFO] [stderr]     |
[INFO] [stderr] 113 |     fn validate(len: usize, relative_to: usize) -> Result<(), Box<Error + 'static>> {
[INFO] [stderr]     |                                                                   ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Error + 'static`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/slice_mut.rs:81:19
[INFO] [stderr]    |
[INFO] [stderr] 81 |     type Error = Box<Error + 'static>;
[INFO] [stderr]    |                      ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Error + 'static`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/slice_mut.rs:124:77
[INFO] [stderr]     |
[INFO] [stderr] 124 |     pub fn try_from(slice: &'a mut[T], relative_to: usize) -> Result<Self, Box<Error + 'static>> {
[INFO] [stderr]     |                                                                                ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Error + 'static`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/slice_mut.rs:100:19
[INFO] [stderr]     |
[INFO] [stderr] 100 |     type Error = Box<Error + 'static>;
[INFO] [stderr]     |                      ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Error + 'static`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/slice_mut.rs:131:63
[INFO] [stderr]     |
[INFO] [stderr] 131 |     pub fn slice(self, relative_to: usize) -> Result<&'a[T], Box<Error + 'static>> {
[INFO] [stderr]     |                                                                  ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Error + 'static`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/slice_mut.rs:137:71
[INFO] [stderr]     |
[INFO] [stderr] 137 |     pub fn slice_mut(self, relative_to: usize) -> Result<&'a mut[T], Box<Error + 'static>> {
[INFO] [stderr]     |                                                                          ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Error + 'static`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/slice_mut.rs:124:77
[INFO] [stderr]     |
[INFO] [stderr] 124 |     pub fn try_from(slice: &'a mut[T], relative_to: usize) -> Result<Self, Box<Error + 'static>> {
[INFO] [stderr]     |                                                                                ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Error + 'static`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/slice_mut.rs:143:64
[INFO] [stderr]     |
[INFO] [stderr] 143 |     fn validate(len: usize, relative_to: usize) -> Result<(), Box<Error + 'static>> {
[INFO] [stderr]     |                                                                   ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Error + 'static`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/slice_mut.rs:131:63
[INFO] [stderr]     |
[INFO] [stderr] 131 |     pub fn slice(self, relative_to: usize) -> Result<&'a[T], Box<Error + 'static>> {
[INFO] [stderr]     |                                                                  ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Error + 'static`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/slice_mut.rs:137:71
[INFO] [stderr]     |
[INFO] [stderr] 137 |     pub fn slice_mut(self, relative_to: usize) -> Result<&'a mut[T], Box<Error + 'static>> {
[INFO] [stderr]     |                                                                          ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Error + 'static`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/slice_mut.rs:143:64
[INFO] [stderr]     |
[INFO] [stderr] 143 |     fn validate(len: usize, relative_to: usize) -> Result<(), Box<Error + 'static>> {
[INFO] [stderr]     |                                                                   ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Error + 'static`
[INFO] [stderr] 
[INFO] [stderr] warning: 16 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 16 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> tests/constraint_macro.rs:10:29
[INFO] [stderr]    |
[INFO] [stderr] 10 | fn test() -> Result<(), Box<Error + 'static>> {
[INFO] [stderr]    |                             ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Error + 'static`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.20s
[INFO] running `"docker" "inspect" "d60aa9ffe2ae9097321330bb2b90530b7b49296f927dd3e72ab4305fe351f0f4"`
[INFO] running `"docker" "rm" "-f" "d60aa9ffe2ae9097321330bb2b90530b7b49296f927dd3e72ab4305fe351f0f4"`
[INFO] [stdout] d60aa9ffe2ae9097321330bb2b90530b7b49296f927dd3e72ab4305fe351f0f4