[INFO] fetching crate postagger 0.0.3...
[INFO] testing postagger-0.0.3 against try#2440211fe03bc45c89b6dc1a3df18382ce91e32b for pr-146098-1
[INFO] extracting crate postagger 0.0.3 into /workspace/builds/worker-3-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-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate postagger 0.0.3 on toolchain 2440211fe03bc45c89b6dc1a3df18382ce91e32b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "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" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 34 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 05f4958e70ba75be2fe01fc049056e8d867adb5083181928aea50c5abf5895cc
[INFO] running `Command { std: "docker" "start" "-a" "05f4958e70ba75be2fe01fc049056e8d867adb5083181928aea50c5abf5895cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "05f4958e70ba75be2fe01fc049056e8d867adb5083181928aea50c5abf5895cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "05f4958e70ba75be2fe01fc049056e8d867adb5083181928aea50c5abf5895cc", kill_on_drop: false }`
[INFO] [stdout] 05f4958e70ba75be2fe01fc049056e8d867adb5083181928aea50c5abf5895cc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c22baf11b185a784c2c7e85784849051cf605a1a0f44ee7d1eb9df06e890ef1f
[INFO] running `Command { std: "docker" "start" "-a" "c22baf11b185a784c2c7e85784849051cf605a1a0f44ee7d1eb9df06e890ef1f", 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 0.69s
[INFO] running `Command { std: "docker" "inspect" "c22baf11b185a784c2c7e85784849051cf605a1a0f44ee7d1eb9df06e890ef1f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c22baf11b185a784c2c7e85784849051cf605a1a0f44ee7d1eb9df06e890ef1f", kill_on_drop: false }`
[INFO] [stdout] c22baf11b185a784c2c7e85784849051cf605a1a0f44ee7d1eb9df06e890ef1f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4bbbdf3bf157f5cd2f22cc3394acbd9146709acbdbf1c4af010819394ef101b8
[INFO] running `Command { std: "docker" "start" "-a" "4bbbdf3bf157f5cd2f22cc3394acbd9146709acbdbf1c4af010819394ef101b8", 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 0.66s
[INFO] running `Command { std: "docker" "inspect" "4bbbdf3bf157f5cd2f22cc3394acbd9146709acbdbf1c4af010819394ef101b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4bbbdf3bf157f5cd2f22cc3394acbd9146709acbdbf1c4af010819394ef101b8", kill_on_drop: false }`
[INFO] [stdout] 4bbbdf3bf157f5cd2f22cc3394acbd9146709acbdbf1c4af010819394ef101b8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ca3644b0c19636685e7a420f62de12e3cd6852cc5f703bce9ddb4b1606ea063b
[INFO] running `Command { std: "docker" "start" "-a" "ca3644b0c19636685e7a420f62de12e3cd6852cc5f703bce9ddb4b1606ea063b", 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 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/postagger-73aa041ee1a68ec5)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stderr]    Doc-tests postagger
[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] [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" "ca3644b0c19636685e7a420f62de12e3cd6852cc5f703bce9ddb4b1606ea063b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca3644b0c19636685e7a420f62de12e3cd6852cc5f703bce9ddb4b1606ea063b", kill_on_drop: false }`
[INFO] [stdout] ca3644b0c19636685e7a420f62de12e3cd6852cc5f703bce9ddb4b1606ea063b