[INFO] fetching crate namespace 0.1.0...
[INFO] building namespace-0.1.0 against try#d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 for pr-146237-1
[INFO] extracting crate namespace 0.1.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate namespace 0.1.0
[INFO] finished tweaking crates.io crate namespace 0.1.0
[INFO] tweaked toml for crates.io crate namespace 0.1.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate namespace 0.1.0 on toolchain d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f5d1ef213d9023bd02e851037dd279e55afb3b1a52f62f992b19d3660e1eae80
[INFO] running `Command { std: "docker" "start" "-a" "f5d1ef213d9023bd02e851037dd279e55afb3b1a52f62f992b19d3660e1eae80", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f5d1ef213d9023bd02e851037dd279e55afb3b1a52f62f992b19d3660e1eae80", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f5d1ef213d9023bd02e851037dd279e55afb3b1a52f62f992b19d3660e1eae80", kill_on_drop: false }`
[INFO] [stdout] f5d1ef213d9023bd02e851037dd279e55afb3b1a52f62f992b19d3660e1eae80
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3fb984219d5979f233328dfa3db6684cf4a7d6f734fffbe9ee2fda57a5a2d96c
[INFO] running `Command { std: "docker" "start" "-a" "3fb984219d5979f233328dfa3db6684cf4a7d6f734fffbe9ee2fda57a5a2d96c", kill_on_drop: false }`
[INFO] [stderr]    Compiling namespace v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:353:17
[INFO] [stdout]     |
[INFO] [stdout] 353 |     pub fn iter(&self) -> NamespaceIter {
[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] 353 |     pub fn iter(&self) -> NamespaceIter<'_> {
[INFO] [stdout]     |                                        ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.45s
[INFO] running `Command { std: "docker" "inspect" "3fb984219d5979f233328dfa3db6684cf4a7d6f734fffbe9ee2fda57a5a2d96c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3fb984219d5979f233328dfa3db6684cf4a7d6f734fffbe9ee2fda57a5a2d96c", kill_on_drop: false }`
[INFO] [stdout] 3fb984219d5979f233328dfa3db6684cf4a7d6f734fffbe9ee2fda57a5a2d96c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 722881295d66a2a15ebeb0b5d24c6871eae4f9b142cfd7f02c8e4d5086eaf73b
[INFO] running `Command { std: "docker" "start" "-a" "722881295d66a2a15ebeb0b5d24c6871eae4f9b142cfd7f02c8e4d5086eaf73b", kill_on_drop: false }`
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:353:17
[INFO] [stdout]     |
[INFO] [stdout] 353 |     pub fn iter(&self) -> NamespaceIter {
[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] 353 |     pub fn iter(&self) -> NamespaceIter<'_> {
[INFO] [stdout]     |                                        ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling namespace v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: the `#[test]` attribute may only be used on a non-associated function
[INFO] [stdout]    --> src/lib.rs:269:5
[INFO] [stdout]     |
[INFO] [stdout] 269 |     #[test]
[INFO] [stdout]     |     ^^^^^^^ the `#[test]` macro causes a function to be run as a test and has no effect on non-functions
[INFO] [stdout]     |
[INFO] [stdout] help: replace with conditional compilation to make the item only exist when tests are being run
[INFO] [stdout]     |
[INFO] [stdout] 269 -     #[test]
[INFO] [stdout] 269 +     #[cfg(test)]
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: can't compare `str` with `&str`
[INFO] [stdout]    --> src/lib.rs:376:5
[INFO] [stdout]     |
[INFO] [stdout] 376 | /     assert_eq!(
[INFO] [stdout] 377 | |         ns[0],
[INFO] [stdout] 378 | |         "a"
[INFO] [stdout] 379 | |     );
[INFO] [stdout]     | |_____^ no implementation for `str == &str`
[INFO] [stdout]     |
[INFO] [stdout]     = help: the trait `PartialEq<&str>` is not implemented for `str`
[INFO] [stdout]     = note: this error originates in the macro `assert_eq` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `namespace` (lib test) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "722881295d66a2a15ebeb0b5d24c6871eae4f9b142cfd7f02c8e4d5086eaf73b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "722881295d66a2a15ebeb0b5d24c6871eae4f9b142cfd7f02c8e4d5086eaf73b", kill_on_drop: false }`
[INFO] [stdout] 722881295d66a2a15ebeb0b5d24c6871eae4f9b142cfd7f02c8e4d5086eaf73b