[INFO] fetching crate postagger 0.0.3...
[INFO] testing postagger-0.0.3 against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210-2
[INFO] extracting crate postagger 0.0.3 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate postagger 0.0.3
[INFO] finished tweaking crates.io crate postagger 0.0.3
[INFO] tweaked toml for crates.io crate postagger 0.0.3 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate postagger 0.0.3 on toolchain dec9417b8611e34e787a3e4c37686b5131f9e5c5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 36 packages to latest compatible versions
[INFO] [stderr]       Adding jni v0.21.1 (available: v0.22.4)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fdeb7519dc350cb2abf635ecf3300e220fb3b9afa47a172e2e4c8488c6b03b3d
[INFO] running `Command { std: "docker" "start" "-a" "fdeb7519dc350cb2abf635ecf3300e220fb3b9afa47a172e2e4c8488c6b03b3d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fdeb7519dc350cb2abf635ecf3300e220fb3b9afa47a172e2e4c8488c6b03b3d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fdeb7519dc350cb2abf635ecf3300e220fb3b9afa47a172e2e4c8488c6b03b3d", kill_on_drop: false }`
[INFO] [stdout] fdeb7519dc350cb2abf635ecf3300e220fb3b9afa47a172e2e4c8488c6b03b3d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] db1554637def7ee5f04e8480afad520c05f8814b2810ed62784cfe2c6745458e
[INFO] running `Command { std: "docker" "start" "-a" "db1554637def7ee5f04e8480afad520c05f8814b2810ed62784cfe2c6745458e", kill_on_drop: false }`
[INFO] [stderr]    Compiling postagger v0.0.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> src/perceptron_tagger.rs:114:14
[INFO] [stdout]     |
[INFO] [stdout] 112 |         &'a self , 
[INFO] [stdout]     |          -- the lifetime is named here
[INFO] [stdout] 113 |         sentence: &'a str
[INFO] [stdout]     |                    -- the lifetime is named here
[INFO] [stdout] 114 |     ) -> Vec<Tag> {
[INFO] [stdout]     |              ^^^ the same lifetime is hidden 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] 114 |     ) -> Vec<Tag<'a>> {
[INFO] [stdout]     |                 ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> src/perceptron_tagger.rs:121:14
[INFO] [stdout]     |
[INFO] [stdout] 119 |         &'a self ,
[INFO] [stdout]     |          -- the lifetime is named here
[INFO] [stdout] 120 |         tokens: Vec<&'a str>
[INFO] [stdout]     |                      -- the lifetime is named here
[INFO] [stdout] 121 |     ) -> Vec<Tag> {
[INFO] [stdout]     |              ^^^ the same lifetime is hidden 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] 121 |     ) -> Vec<Tag<'a>> {
[INFO] [stdout]     |                 ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.88s
[INFO] running `Command { std: "docker" "inspect" "db1554637def7ee5f04e8480afad520c05f8814b2810ed62784cfe2c6745458e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "db1554637def7ee5f04e8480afad520c05f8814b2810ed62784cfe2c6745458e", kill_on_drop: false }`
[INFO] [stdout] db1554637def7ee5f04e8480afad520c05f8814b2810ed62784cfe2c6745458e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a45255848e41a05aa52e5fc3445d145c969cf89a59ad44b8a7b5981a1a48d4f2
[INFO] running `Command { std: "docker" "start" "-a" "a45255848e41a05aa52e5fc3445d145c969cf89a59ad44b8a7b5981a1a48d4f2", kill_on_drop: false }`
[INFO] [stderr]    Compiling postagger v0.0.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> src/perceptron_tagger.rs:114:14
[INFO] [stdout]     |
[INFO] [stdout] 112 |         &'a self , 
[INFO] [stdout]     |          -- the lifetime is named here
[INFO] [stdout] 113 |         sentence: &'a str
[INFO] [stdout]     |                    -- the lifetime is named here
[INFO] [stdout] 114 |     ) -> Vec<Tag> {
[INFO] [stdout]     |              ^^^ the same lifetime is hidden 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] 114 |     ) -> Vec<Tag<'a>> {
[INFO] [stdout]     |                 ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> src/perceptron_tagger.rs:121:14
[INFO] [stdout]     |
[INFO] [stdout] 119 |         &'a self ,
[INFO] [stdout]     |          -- the lifetime is named here
[INFO] [stdout] 120 |         tokens: Vec<&'a str>
[INFO] [stdout]     |                      -- the lifetime is named here
[INFO] [stdout] 121 |     ) -> Vec<Tag> {
[INFO] [stdout]     |              ^^^ the same lifetime is hidden 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] 121 |     ) -> Vec<Tag<'a>> {
[INFO] [stdout]     |                 ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> src/perceptron_tagger.rs:114:14
[INFO] [stdout]     |
[INFO] [stdout] 112 |         &'a self , 
[INFO] [stdout]     |          -- the lifetime is named here
[INFO] [stdout] 113 |         sentence: &'a str
[INFO] [stdout]     |                    -- the lifetime is named here
[INFO] [stdout] 114 |     ) -> Vec<Tag> {
[INFO] [stdout]     |              ^^^ the same lifetime is hidden 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] 114 |     ) -> Vec<Tag<'a>> {
[INFO] [stdout]     |                 ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> src/perceptron_tagger.rs:121:14
[INFO] [stdout]     |
[INFO] [stdout] 119 |         &'a self ,
[INFO] [stdout]     |          -- the lifetime is named here
[INFO] [stdout] 120 |         tokens: Vec<&'a str>
[INFO] [stdout]     |                      -- the lifetime is named here
[INFO] [stdout] 121 |     ) -> Vec<Tag> {
[INFO] [stdout]     |              ^^^ the same lifetime is hidden 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] 121 |     ) -> Vec<Tag<'a>> {
[INFO] [stdout]     |                 ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.10s
[INFO] running `Command { std: "docker" "inspect" "a45255848e41a05aa52e5fc3445d145c969cf89a59ad44b8a7b5981a1a48d4f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a45255848e41a05aa52e5fc3445d145c969cf89a59ad44b8a7b5981a1a48d4f2", kill_on_drop: false }`
[INFO] [stdout] a45255848e41a05aa52e5fc3445d145c969cf89a59ad44b8a7b5981a1a48d4f2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f059b29d616747ad8be960cb3f0243f317ff35c905404e4c3b404bc5b603ab94
[INFO] running `Command { std: "docker" "start" "-a" "f059b29d616747ad8be960cb3f0243f317ff35c905404e4c3b404bc5b603ab94", kill_on_drop: false }`
[INFO] [stderr] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stderr]    --> src/perceptron_tagger.rs:114:14
[INFO] [stderr]     |
[INFO] [stderr] 112 |         &'a self , 
[INFO] [stderr]     |          -- the lifetime is named here
[INFO] [stderr] 113 |         sentence: &'a str
[INFO] [stderr]     |                    -- the lifetime is named here
[INFO] [stderr] 114 |     ) -> Vec<Tag> {
[INFO] [stderr]     |              ^^^ the same lifetime is hidden 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] 114 |     ) -> Vec<Tag<'a>> {
[INFO] [stderr]     |                 ++++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stderr]    --> src/perceptron_tagger.rs:121:14
[INFO] [stderr]     |
[INFO] [stderr] 119 |         &'a self ,
[INFO] [stderr]     |          -- the lifetime is named here
[INFO] [stderr] 120 |         tokens: Vec<&'a str>
[INFO] [stderr]     |                      -- the lifetime is named here
[INFO] [stderr] 121 |     ) -> Vec<Tag> {
[INFO] [stderr]     |              ^^^ the same lifetime is hidden here
[INFO] [stderr]     |
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: consistently use `'a`
[INFO] [stderr]     |
[INFO] [stderr] 121 |     ) -> Vec<Tag<'a>> {
[INFO] [stderr]     |                 ++++
[INFO] [stderr] 
[INFO] [stderr] warning: `postagger` (lib) generated 2 warnings (run `cargo fix --lib -p postagger` to apply 2 suggestions)
[INFO] [stderr] warning: `postagger` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/postagger-7f62969c180893dd)
[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 postagger
[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] running `Command { std: "docker" "inspect" "f059b29d616747ad8be960cb3f0243f317ff35c905404e4c3b404bc5b603ab94", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f059b29d616747ad8be960cb3f0243f317ff35c905404e4c3b404bc5b603ab94", kill_on_drop: false }`
[INFO] [stdout] f059b29d616747ad8be960cb3f0243f317ff35c905404e4c3b404bc5b603ab94