[INFO] fetching crate usher 0.2.1...
[INFO] testing usher-0.2.1 against 1.91.0 for beta-1.92-2
[INFO] extracting crate usher 0.2.1 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate usher 0.2.1
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate usher 0.2.1
[INFO] tweaked toml for crates.io crate usher 0.2.1 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate usher 0.2.1 on toolchain 1.91.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate usher 0.2.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 09af6cce2d867999aca2fa8dba068226fa8bd73c881a8f34999dd7a2e9e0265b
[INFO] running `Command { std: "docker" "start" "-a" "09af6cce2d867999aca2fa8dba068226fa8bd73c881a8f34999dd7a2e9e0265b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "09af6cce2d867999aca2fa8dba068226fa8bd73c881a8f34999dd7a2e9e0265b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "09af6cce2d867999aca2fa8dba068226fa8bd73c881a8f34999dd7a2e9e0265b", kill_on_drop: false }`
[INFO] [stdout] 09af6cce2d867999aca2fa8dba068226fa8bd73c881a8f34999dd7a2e9e0265b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d5d103536dc0ce910d417a9d204bb8e4543bc24ca17e739f8191186d487f7e17
[INFO] running `Command { std: "docker" "start" "-a" "d5d103536dc0ce910d417a9d204bb8e4543bc24ca17e739f8191186d487f7e17", kill_on_drop: false }`
[INFO] [stderr]    Compiling usher v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `extensions::*`
[INFO] [stdout]   --> src/lib.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub use extensions::*;
[INFO] [stdout]    |         ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/router.rs:72:56
[INFO] [stdout]    |
[INFO] [stdout] 72 |     pub fn lookup<'a>(&'a self, path: &str) -> Option<(&T, Captures<'a>)> {
[INFO] [stdout]    |                        --                              ^^           -- the same lifetime is named here
[INFO] [stdout]    |                        |                               |
[INFO] [stdout]    |                        the lifetime is named here      the same 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: consistently use `'a`
[INFO] [stdout]    |
[INFO] [stdout] 72 |     pub fn lookup<'a>(&'a self, path: &str) -> Option<(&'a T, Captures<'a>)> {
[INFO] [stdout]    |                                                         ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.25s
[INFO] running `Command { std: "docker" "inspect" "d5d103536dc0ce910d417a9d204bb8e4543bc24ca17e739f8191186d487f7e17", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d5d103536dc0ce910d417a9d204bb8e4543bc24ca17e739f8191186d487f7e17", kill_on_drop: false }`
[INFO] [stdout] d5d103536dc0ce910d417a9d204bb8e4543bc24ca17e739f8191186d487f7e17
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c645e7be56daafc201438fc311d4dc33309efaf0649e710074726b248a2f6aba
[INFO] running `Command { std: "docker" "start" "-a" "c645e7be56daafc201438fc311d4dc33309efaf0649e710074726b248a2f6aba", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.40
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling quote v1.0.20
[INFO] [stderr]    Compiling unicode-ident v1.0.1
[INFO] [stderr]    Compiling syn v1.0.98
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling futures-core v0.3.21
[INFO] [stderr]    Compiling pin-project-lite v0.2.9
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling futures-channel v0.3.21
[INFO] [stderr]    Compiling parking_lot_core v0.9.3
[INFO] [stderr]    Compiling futures-task v0.3.21
[INFO] [stderr]    Compiling futures-sink v0.3.21
[INFO] [stderr]    Compiling futures-util v0.3.21
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling bytes v1.1.0
[INFO] [stderr]    Compiling once_cell v1.12.0
[INFO] [stderr]    Compiling smallvec v1.8.1
[INFO] [stderr]    Compiling lock_api v0.4.7
[INFO] [stderr]    Compiling futures-io v0.3.21
[INFO] [stderr]    Compiling slab v0.4.6
[INFO] [stderr]    Compiling num_cpus v1.13.1
[INFO] [stderr]    Compiling socket2 v0.4.4
[INFO] [stderr]    Compiling mio v0.8.4
[INFO] [stderr]    Compiling signal-hook-registry v1.4.0
[INFO] [stderr]    Compiling tracing-core v0.1.28
[INFO] [stderr]    Compiling parking_lot v0.12.1
[INFO] [stderr]    Compiling indexmap v1.9.1
[INFO] [stderr]    Compiling itoa v1.0.2
[INFO] [stderr]    Compiling httparse v1.7.1
[INFO] [stderr]    Compiling http v0.2.8
[INFO] [stderr]    Compiling hashbrown v0.12.1
[INFO] [stderr]    Compiling try-lock v0.2.3
[INFO] [stderr]    Compiling httpdate v1.0.2
[INFO] [stderr]    Compiling tracing v0.1.35
[INFO] [stderr]    Compiling want v0.3.0
[INFO] [stderr]    Compiling tower-service v0.3.2
[INFO] [stdout] warning: unused import: `extensions::*`
[INFO] [stdout]   --> src/lib.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub use extensions::*;
[INFO] [stdout]    |         ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/router.rs:72:56
[INFO] [stdout]    |
[INFO] [stdout] 72 |     pub fn lookup<'a>(&'a self, path: &str) -> Option<(&T, Captures<'a>)> {
[INFO] [stdout]    |                        --                              ^^           -- the same lifetime is named here
[INFO] [stdout]    |                        |                               |
[INFO] [stdout]    |                        the lifetime is named here      the same 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: consistently use `'a`
[INFO] [stdout]    |
[INFO] [stdout] 72 |     pub fn lookup<'a>(&'a self, path: &str) -> Option<(&'a T, Captures<'a>)> {
[INFO] [stdout]    |                                                         ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling http-body v0.4.5
[INFO] [stderr]    Compiling futures-macro v0.3.21
[INFO] [stderr]    Compiling tokio-macros v1.8.0
[INFO] [stderr]    Compiling tokio v1.19.2
[INFO] [stderr]    Compiling futures-executor v0.3.21
[INFO] [stderr]    Compiling futures v0.3.21
[INFO] [stderr]    Compiling tokio-util v0.7.3
[INFO] [stderr]    Compiling h2 v0.3.13
[INFO] [stderr]    Compiling hyper v0.14.19
[INFO] [stderr]    Compiling usher v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `extensions::*`
[INFO] [stdout]   --> src/lib.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub use extensions::*;
[INFO] [stdout]    |         ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/router.rs:72:56
[INFO] [stdout]    |
[INFO] [stdout] 72 |     pub fn lookup<'a>(&'a self, path: &str) -> Option<(&T, Captures<'a>)> {
[INFO] [stdout]    |                        --                              ^^           -- the same lifetime is named here
[INFO] [stdout]    |                        |                               |
[INFO] [stdout]    |                        the lifetime is named here      the same 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: consistently use `'a`
[INFO] [stdout]    |
[INFO] [stdout] 72 |     pub fn lookup<'a>(&'a self, path: &str) -> Option<(&'a T, Captures<'a>)> {
[INFO] [stdout]    |                                                         ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 37.69s
[INFO] running `Command { std: "docker" "inspect" "c645e7be56daafc201438fc311d4dc33309efaf0649e710074726b248a2f6aba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c645e7be56daafc201438fc311d4dc33309efaf0649e710074726b248a2f6aba", kill_on_drop: false }`
[INFO] [stdout] c645e7be56daafc201438fc311d4dc33309efaf0649e710074726b248a2f6aba
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c9e01532f85985b6f9dc6013cf06c15500fc34de1a18a8e53fd2e1ca380240f6
[INFO] running `Command { std: "docker" "start" "-a" "c9e01532f85985b6f9dc6013cf06c15500fc34de1a18a8e53fd2e1ca380240f6", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `extensions::*`
[INFO] [stderr]   --> src/lib.rs:13:9
[INFO] [stderr]    |
[INFO] [stderr] 13 | pub use extensions::*;
[INFO] [stderr]    |         ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stderr]   --> src/router.rs:72:56
[INFO] [stderr]    |
[INFO] [stderr] 72 |     pub fn lookup<'a>(&'a self, path: &str) -> Option<(&T, Captures<'a>)> {
[INFO] [stderr]    |                        --                              ^^           -- the same lifetime is named here
[INFO] [stderr]    |                        |                               |
[INFO] [stderr]    |                        the lifetime is named here      the same 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: consistently use `'a`
[INFO] [stderr]    |
[INFO] [stderr] 72 |     pub fn lookup<'a>(&'a self, path: &str) -> Option<(&'a T, Captures<'a>)> {
[INFO] [stderr]    |                                                         ++
[INFO] [stderr] 
[INFO] [stderr] warning: `usher` (lib) generated 2 warnings (run `cargo fix --lib -p usher` to apply 2 suggestions)
[INFO] [stderr] warning: `usher` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.15s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/usher-d452ae3eb4e974cd)
[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]      Running tests/capture_test.rs (/opt/rustwide/target/debug/deps/capture_test-b9185535e2273a2e)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test capture::finding_captures ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/matcher_test.rs (/opt/rustwide/target/debug/deps/matcher_test-6eb7e297fae74a25)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test matcher::dynamic_matching ... ok
[INFO] [stdout] test matcher::static_matching ... ok
[INFO] [stdout] test matcher::closure_matching ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/parser_test.rs (/opt/rustwide/target/debug/deps/parser_test-aa0d07f753d6a1dd)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test parser::dynamic_parsing ... ok
[INFO] [stdout] test parser::static_parsing ... ok
[INFO] [stdout] test parser::closure_parsing ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/router_test.rs (/opt/rustwide/target/debug/deps/router_test-fc1ccf6e27f7d8ee)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test router::basic_routing ... ok
[INFO] [stdout] test router::captured_routing ... ok
[INFO] [stdout] test router::nested_routing ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests usher
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - prelude (line 22) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.29s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "c9e01532f85985b6f9dc6013cf06c15500fc34de1a18a8e53fd2e1ca380240f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c9e01532f85985b6f9dc6013cf06c15500fc34de1a18a8e53fd2e1ca380240f6", kill_on_drop: false }`
[INFO] [stdout] c9e01532f85985b6f9dc6013cf06c15500fc34de1a18a8e53fd2e1ca380240f6