[INFO] fetching crate index_mask 0.1.1...
[INFO] checking index_mask-0.1.1 against master#8c32e313cccf7df531e2d49ffb8227bb92304aee for pr-145608-1
[INFO] extracting crate index_mask 0.1.1 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate index_mask 0.1.1
[INFO] finished tweaking crates.io crate index_mask 0.1.1
[INFO] tweaked toml for crates.io crate index_mask 0.1.1 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate index_mask 0.1.1 on toolchain 8c32e313cccf7df531e2d49ffb8227bb92304aee
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "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" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 8 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 053b6bea8cbff42a50909c4a5740013b210ecbba07e858a48ad9c3798bff22ae
[INFO] running `Command { std: "docker" "start" "-a" "053b6bea8cbff42a50909c4a5740013b210ecbba07e858a48ad9c3798bff22ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "053b6bea8cbff42a50909c4a5740013b210ecbba07e858a48ad9c3798bff22ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "053b6bea8cbff42a50909c4a5740013b210ecbba07e858a48ad9c3798bff22ae", kill_on_drop: false }`
[INFO] [stdout] 053b6bea8cbff42a50909c4a5740013b210ecbba07e858a48ad9c3798bff22ae
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=forbid" "-e" "RUSTDOCFLAGS=--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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7a05269d575d9406ff2bff48bb79c3e14dd387e17830f4cca5cc2ec49306f555
[INFO] running `Command { std: "docker" "start" "-a" "7a05269d575d9406ff2bff48bb79c3e14dd387e17830f4cca5cc2ec49306f555", kill_on_drop: false }`
[INFO] [stderr]    Compiling test-case-core v3.3.1
[INFO] [stderr]    Compiling test-case-macros v3.3.1
[INFO] [stderr]     Checking test-case v3.3.1
[INFO] [stderr]     Checking index_mask v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:292:25
[INFO] [stdout]     |
[INFO] [stdout] 292 |     pub fn mask<'a, T>(&'a self, to_mask: &'a T) -> MaskedIndex<'a, &T>
[INFO] [stdout]     |                         ^^                 ^^                   --  -- the same lifetime is elided here
[INFO] [stdout]     |                         |                  |                    |
[INFO] [stdout]     |                         |                  |                    the same lifetime is named here
[INFO] [stdout]     |                         |                  the lifetime is named here
[INFO] [stdout]     |                         the lifetime is named 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: consistently use `'a`
[INFO] [stdout]     |
[INFO] [stdout] 292 |     pub fn mask<'a, T>(&'a self, to_mask: &'a T) -> MaskedIndex<'a, &'a T>
[INFO] [stdout]     |                                                                      ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:302:29
[INFO] [stdout]     |
[INFO] [stdout] 302 |     pub fn mask_mut<'a, T>(&'a self, to_mask: &'a mut T) -> MaskedIndex<'a, &mut T>
[INFO] [stdout]     |                             ^^                 ^^                       --  ------ the same lifetime is elided here
[INFO] [stdout]     |                             |                  |                        |
[INFO] [stdout]     |                             |                  |                        the same lifetime is named here
[INFO] [stdout]     |                             |                  the lifetime is named here
[INFO] [stdout]     |                             the lifetime is named here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]     |
[INFO] [stdout] 302 |     pub fn mask_mut<'a, T>(&'a self, to_mask: &'a mut T) -> MaskedIndex<'a, &'a mut T>
[INFO] [stdout]     |                                                                              ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:292:25
[INFO] [stdout]     |
[INFO] [stdout] 292 |     pub fn mask<'a, T>(&'a self, to_mask: &'a T) -> MaskedIndex<'a, &T>
[INFO] [stdout]     |                         ^^                 ^^                   --  -- the same lifetime is elided here
[INFO] [stdout]     |                         |                  |                    |
[INFO] [stdout]     |                         |                  |                    the same lifetime is named here
[INFO] [stdout]     |                         |                  the lifetime is named here
[INFO] [stdout]     |                         the lifetime is named 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: consistently use `'a`
[INFO] [stdout]     |
[INFO] [stdout] 292 |     pub fn mask<'a, T>(&'a self, to_mask: &'a T) -> MaskedIndex<'a, &'a T>
[INFO] [stdout]     |                                                                      ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:302:29
[INFO] [stdout]     |
[INFO] [stdout] 302 |     pub fn mask_mut<'a, T>(&'a self, to_mask: &'a mut T) -> MaskedIndex<'a, &mut T>
[INFO] [stdout]     |                             ^^                 ^^                       --  ------ the same lifetime is elided here
[INFO] [stdout]     |                             |                  |                        |
[INFO] [stdout]     |                             |                  |                        the same lifetime is named here
[INFO] [stdout]     |                             |                  the lifetime is named here
[INFO] [stdout]     |                             the lifetime is named here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]     |
[INFO] [stdout] 302 |     pub fn mask_mut<'a, T>(&'a self, to_mask: &'a mut T) -> MaskedIndex<'a, &'a mut T>
[INFO] [stdout]     |                                                                              ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.20s
[INFO] running `Command { std: "docker" "inspect" "7a05269d575d9406ff2bff48bb79c3e14dd387e17830f4cca5cc2ec49306f555", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a05269d575d9406ff2bff48bb79c3e14dd387e17830f4cca5cc2ec49306f555", kill_on_drop: false }`
[INFO] [stdout] 7a05269d575d9406ff2bff48bb79c3e14dd387e17830f4cca5cc2ec49306f555