[INFO] fetching crate postagger 0.0.3...
[INFO] testing postagger-0.0.3 against try#b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b for pr-145330-1
[INFO] extracting crate postagger 0.0.3 into /workspace/builds/worker-1-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-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate postagger 0.0.3 on toolchain b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "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" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "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" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e8a68eaa42ab4e720be52661bbc21a44ff4964828e3d6802ac0a309889922511
[INFO] running `Command { std: "docker" "start" "-a" "e8a68eaa42ab4e720be52661bbc21a44ff4964828e3d6802ac0a309889922511", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e8a68eaa42ab4e720be52661bbc21a44ff4964828e3d6802ac0a309889922511", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e8a68eaa42ab4e720be52661bbc21a44ff4964828e3d6802ac0a309889922511", kill_on_drop: false }`
[INFO] [stdout] e8a68eaa42ab4e720be52661bbc21a44ff4964828e3d6802ac0a309889922511
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 481e9e3df8d3c3abdc03b86be6469ee8d16816d53bd3ac99b0e764e4bfbb801e
[INFO] running `Command { std: "docker" "start" "-a" "481e9e3df8d3c3abdc03b86be6469ee8d16816d53bd3ac99b0e764e4bfbb801e", kill_on_drop: false }`
[INFO] [stderr]    Compiling quote v1.0.41
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling serde v1.0.228
[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:112:10
[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:119:10
[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 9.37s
[INFO] running `Command { std: "docker" "inspect" "481e9e3df8d3c3abdc03b86be6469ee8d16816d53bd3ac99b0e764e4bfbb801e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "481e9e3df8d3c3abdc03b86be6469ee8d16816d53bd3ac99b0e764e4bfbb801e", kill_on_drop: false }`
[INFO] [stdout] 481e9e3df8d3c3abdc03b86be6469ee8d16816d53bd3ac99b0e764e4bfbb801e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7331af30ed26d84509b68cdc97dd24ede324ef8b5ceb3c0f446a563cf9d1ca9a
[INFO] running `Command { std: "docker" "start" "-a" "7331af30ed26d84509b68cdc97dd24ede324ef8b5ceb3c0f446a563cf9d1ca9a", 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:112:10
[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:119:10
[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:112:10
[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:119:10
[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 1.01s
[INFO] running `Command { std: "docker" "inspect" "7331af30ed26d84509b68cdc97dd24ede324ef8b5ceb3c0f446a563cf9d1ca9a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7331af30ed26d84509b68cdc97dd24ede324ef8b5ceb3c0f446a563cf9d1ca9a", kill_on_drop: false }`
[INFO] [stdout] 7331af30ed26d84509b68cdc97dd24ede324ef8b5ceb3c0f446a563cf9d1ca9a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 57171c6e35a668ffd8402f3b8b9aa4422b9abc972eaeb35ac6e25ee05c699f0b
[INFO] running `Command { std: "docker" "start" "-a" "57171c6e35a668ffd8402f3b8b9aa4422b9abc972eaeb35ac6e25ee05c699f0b", kill_on_drop: false }`
[INFO] [stderr] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stderr]    --> src/perceptron_tagger.rs:112:10
[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:119:10
[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-73aa041ee1a68ec5)
[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" "57171c6e35a668ffd8402f3b8b9aa4422b9abc972eaeb35ac6e25ee05c699f0b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "57171c6e35a668ffd8402f3b8b9aa4422b9abc972eaeb35ac6e25ee05c699f0b", kill_on_drop: false }`
[INFO] [stdout] 57171c6e35a668ffd8402f3b8b9aa4422b9abc972eaeb35ac6e25ee05c699f0b