[INFO] fetching crate nlsd 0.1.3...
[INFO] testing nlsd-0.1.3 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-7
[INFO] extracting crate nlsd 0.1.3 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate nlsd 0.1.3
[INFO] finished tweaking crates.io crate nlsd 0.1.3
[INFO] tweaked toml for crates.io crate nlsd 0.1.3 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate nlsd 0.1.3 on toolchain c2e32f1c9652b13ed99608599c1e855462f421f3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 14 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6695df29901af36465db9b95748efebc70b8f91329b9f0111968883a906c6d7a
[INFO] running `Command { std: "docker" "start" "-a" "6695df29901af36465db9b95748efebc70b8f91329b9f0111968883a906c6d7a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6695df29901af36465db9b95748efebc70b8f91329b9f0111968883a906c6d7a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6695df29901af36465db9b95748efebc70b8f91329b9f0111968883a906c6d7a", kill_on_drop: false }`
[INFO] [stdout] 6695df29901af36465db9b95748efebc70b8f91329b9f0111968883a906c6d7a
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e283698171ec13127c65420092f96c5f494a5e8edb92a22fe842329261f90a46
[INFO] running `Command { std: "docker" "start" "-a" "e283698171ec13127c65420092f96c5f494a5e8edb92a22fe842329261f90a46", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling nl-parser v0.1.1
[INFO] [stderr]    Compiling nlsd v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/de.rs:43:25
[INFO] [stdout]    |
[INFO] [stdout] 43 | fn unescape_str(string: &str) -> Cow<str> {
[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] 43 | fn unescape_str(string: &str) -> Cow<'_, str> {
[INFO] [stdout]    |                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.78s
[INFO] running `Command { std: "docker" "inspect" "e283698171ec13127c65420092f96c5f494a5e8edb92a22fe842329261f90a46", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e283698171ec13127c65420092f96c5f494a5e8edb92a22fe842329261f90a46", kill_on_drop: false }`
[INFO] [stdout] e283698171ec13127c65420092f96c5f494a5e8edb92a22fe842329261f90a46
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 49b4ccfd1cb4762809c08fad211a7e538b30023bf7abe0a234d4b05d2945f3d4
[INFO] running `Command { std: "docker" "start" "-a" "49b4ccfd1cb4762809c08fad211a7e538b30023bf7abe0a234d4b05d2945f3d4", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_json v1.0.145
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/de.rs:43:25
[INFO] [stdout]    |
[INFO] [stdout] 43 | fn unescape_str(string: &str) -> Cow<str> {
[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] 43 | fn unescape_str(string: &str) -> Cow<'_, str> {
[INFO] [stdout]    |                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling nlsd v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/ser.rs:811:10
[INFO] [stdout]     |
[INFO] [stdout] 811 |         };
[INFO] [stdout]     |          ^ help: remove this semicolon
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(redundant_semicolons)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/de.rs:43:25
[INFO] [stdout]    |
[INFO] [stdout] 43 | fn unescape_str(string: &str) -> Cow<str> {
[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] 43 | fn unescape_str(string: &str) -> Cow<'_, str> {
[INFO] [stdout]    |                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 3.92s
[INFO] running `Command { std: "docker" "inspect" "49b4ccfd1cb4762809c08fad211a7e538b30023bf7abe0a234d4b05d2945f3d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "49b4ccfd1cb4762809c08fad211a7e538b30023bf7abe0a234d4b05d2945f3d4", kill_on_drop: false }`
[INFO] [stdout] 49b4ccfd1cb4762809c08fad211a7e538b30023bf7abe0a234d4b05d2945f3d4
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 2732bff8d4e84ac0975aec7a7c8dbcb1cb02677e9171acbf7655e6d089c39478
[INFO] running `Command { std: "docker" "start" "-a" "2732bff8d4e84ac0975aec7a7c8dbcb1cb02677e9171acbf7655e6d089c39478", kill_on_drop: false }`
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout] 
[INFO] [stderr]   --> src/de.rs:43:25
[INFO] [stdout] running 29 tests
[INFO] [stderr]    |
[INFO] [stderr] 43 | fn unescape_str(string: &str) -> Cow<str> {
[INFO] [stderr]    |                         ^^^^     ^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]    |                         |
[INFO] [stderr]    |                         the 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: use `'_` for type paths
[INFO] [stderr]    |
[INFO] [stderr] 43 | fn unescape_str(string: &str) -> Cow<'_, str> {
[INFO] [stderr]    |                                      +++
[INFO] [stderr] 
[INFO] [stderr] warning: `nlsd` (lib) generated 1 warning (run `cargo fix --lib -p nlsd` to apply 1 suggestion)
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]    --> src/ser.rs:811:10
[INFO] [stderr]     |
[INFO] [stderr] 811 |         };
[INFO] [stderr]     |          ^ help: remove this semicolon
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(redundant_semicolons)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `nlsd` (lib test) generated 2 warnings (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/nlsd-5dde1d0e4f935b4c)
[INFO] [stdout] test de::tests::deserialize_char ... ok
[INFO] [stdout] test de::tests::deserialize_map ... ok
[INFO] [stdout] test de::tests::deserialize_enum ... ok
[INFO] [stdout] test de::tests::deserialize_list ... ok
[INFO] [stdout] test de::tests::deserialize_nested_map ... ok
[INFO] [stdout] test ser::tests::humanize_string ... ok
[INFO] [stdout] test de::tests::deserialize_nested_map_list ... ok
[INFO] [stdout] test ser::tests::serialize_empty ... ok
[INFO] [stdout] test ser::tests::serialize_bool ... ok
[INFO] [stdout] test de::tests::deserialize_nested_object ... ok
[INFO] [stdout] test de::tests::deserialize_option ... ok
[INFO] [stdout] test ser::tests::serialize_newtype_variant ... ok
[INFO] [stdout] test ser::tests::serialize_map ... ok
[INFO] [stdout] test ser::tests::serialize_tuple_struct ... ok
[INFO] [stdout] test de::tests::deserialize_str ... ok
[INFO] [stdout] test ser::tests::serialize_str ... ok
[INFO] [stdout] test de::tests::deserialize_newtype_struct ... ok
[INFO] [stdout] test ser::tests::serialize_unit_struct ... ok
[INFO] [stdout] test de::tests::deserialize_number ... ok
[INFO] [stdout] test de::tests::deserialize_unit ... ok
[INFO] [stdout] test ser::tests::serialize_struct ... ok
[INFO] [stdout] test ser::tests::serialize_tuple ... ok
[INFO] [stdout] test de::tests::deserialize_unit_variant ... ok
[INFO] [stdout] test de::tests::deserialize_bool ... ok
[INFO] [stdout] test ser::tests::serialize_list ... ok
[INFO] [stdout] test ser::tests::serialize_num ... ok
[INFO] [stdout] test de::tests::deserialize_nested_list_map ... ok
[INFO] [stdout] test de::tests::deserialize_struct ... ok
[INFO] [stdout] test de::tests::deserialize_nested_list ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 29 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.06s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests nlsd
[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" "2732bff8d4e84ac0975aec7a7c8dbcb1cb02677e9171acbf7655e6d089c39478", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2732bff8d4e84ac0975aec7a7c8dbcb1cb02677e9171acbf7655e6d089c39478", kill_on_drop: false }`
[INFO] [stdout] 2732bff8d4e84ac0975aec7a7c8dbcb1cb02677e9171acbf7655e6d089c39478
