[INFO] fetching crate standback 0.3.2...
[INFO] checking standback-0.3.2 against try#b20a093d9fb1ffaa04ae9852cb034864a992bafd for pr-85073
[INFO] extracting crate standback 0.3.2 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate standback 0.3.2 on toolchain b20a093d9fb1ffaa04ae9852cb034864a992bafd
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate standback 0.3.2
[INFO] finished tweaking crates.io crate standback 0.3.2
[INFO] tweaked toml for crates.io crate standback 0.3.2 written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c37be93d7ec3b989ac396467d6264e8c113290aa8e52f65eb1517435d2fdf7dc
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "c37be93d7ec3b989ac396467d6264e8c113290aa8e52f65eb1517435d2fdf7dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c37be93d7ec3b989ac396467d6264e8c113290aa8e52f65eb1517435d2fdf7dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c37be93d7ec3b989ac396467d6264e8c113290aa8e52f65eb1517435d2fdf7dc", kill_on_drop: false }`
[INFO] [stdout] c37be93d7ec3b989ac396467d6264e8c113290aa8e52f65eb1517435d2fdf7dc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f63d8ddd5ebf69e681c1bf3b1ec900a5ded1d1814fca707112725b2c08615ead
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "f63d8ddd5ebf69e681c1bf3b1ec900a5ded1d1814fca707112725b2c08615ead", kill_on_drop: false }`
[INFO] [stderr]    Compiling standback v0.3.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unreachable `pub` item
[INFO] [stdout]    --> src/lib.rs:277:5
[INFO] [stdout]     |
[INFO] [stdout] 277 |     pub trait Sealed<T: ?Sized> {}
[INFO] [stdout]     |     ---^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     help: consider restricting its visibility: `pub(crate)`
[INFO] [stdout]     |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> src/lib.rs:3:9
[INFO] [stdout]     |
[INFO] [stdout] 3   | #![warn(unreachable_pub)]
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^
[INFO] [stdout]     = help: or consider exporting it for use by other crates
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable `pub` item
[INFO] [stdout]   --> src/pattern/mod.rs:24:1
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub trait Pattern<'a>: Sized + sealed::Sealed {
[INFO] [stdout]    | ---^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    | |
[INFO] [stdout]    | help: consider restricting its visibility: `pub(crate)`
[INFO] [stdout]    |
[INFO] [stdout]    = help: or consider exporting it for use by other crates
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable `pub` item
[INFO] [stdout]   --> src/pattern/mod.rs:85:1
[INFO] [stdout]    |
[INFO] [stdout] 85 | pub enum SearchStep {
[INFO] [stdout]    | ---^^^^^^^^^^^^^^^^
[INFO] [stdout]    | |
[INFO] [stdout]    | help: consider restricting its visibility: `pub(crate)`
[INFO] [stdout]    |
[INFO] [stdout]    = help: or consider exporting it for use by other crates
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable `pub` item
[INFO] [stdout]   --> src/pattern/mod.rs:91:1
[INFO] [stdout]    |
[INFO] [stdout] 91 | pub unsafe trait Searcher<'a> {
[INFO] [stdout]    | ---^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    | |
[INFO] [stdout]    | help: consider restricting its visibility: `pub(crate)`
[INFO] [stdout]    |
[INFO] [stdout]    = help: or consider exporting it for use by other crates
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable `pub` item
[INFO] [stdout]    --> src/pattern/mod.rs:118:1
[INFO] [stdout]     |
[INFO] [stdout] 118 | pub unsafe trait ReverseSearcher<'a>: Searcher<'a> {
[INFO] [stdout]     | ---^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     | |
[INFO] [stdout]     | help: consider restricting its visibility: `pub(crate)`
[INFO] [stdout]     |
[INFO] [stdout]     = help: or consider exporting it for use by other crates
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable `pub` item
[INFO] [stdout]    --> src/pattern/mod.rs:145:1
[INFO] [stdout]     |
[INFO] [stdout] 145 | pub struct CharSearcher<'a> {
[INFO] [stdout]     | ---^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     | |
[INFO] [stdout]     | help: consider restricting its visibility: `pub(crate)`
[INFO] [stdout]     |
[INFO] [stdout]     = help: or consider exporting it for use by other crates
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable `pub` item
[INFO] [stdout]    --> src/pattern/mod.rs:470:1
[INFO] [stdout]     |
[INFO] [stdout] 470 | pub struct CharSliceSearcher<'a, 'b>(<MultiCharEqPattern<&'b [char]> as Pattern<'a>>::Searcher);
[INFO] [stdout]     | ---^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     | |
[INFO] [stdout]     | help: consider restricting its visibility: `pub(crate)`
[INFO] [stdout]     |
[INFO] [stdout]     = help: or consider exporting it for use by other crates
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable `pub` item
[INFO] [stdout]    --> src/pattern/mod.rs:489:1
[INFO] [stdout]     |
[INFO] [stdout] 489 |   pub struct CharPredicateSearcher<'a, F>(<MultiCharEqPattern<F> as Pattern<'a>>::Searcher)
[INFO] [stdout]     |   ^--
[INFO] [stdout]     |   |
[INFO] [stdout]     |  _help: consider restricting its visibility: `pub(crate)`
[INFO] [stdout]     | |
[INFO] [stdout] 490 | | where
[INFO] [stdout] 491 | |     F: FnMut(char) -> bool;
[INFO] [stdout]     | |___________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = help: or consider exporting it for use by other crates
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable `pub` item
[INFO] [stdout]    --> src/pattern/mod.rs:572:1
[INFO] [stdout]     |
[INFO] [stdout] 572 | pub struct StrSearcher<'a, 'b> {
[INFO] [stdout]     | ---^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     | |
[INFO] [stdout]     | help: consider restricting its visibility: `pub(crate)`
[INFO] [stdout]     |
[INFO] [stdout]     = help: or consider exporting it for use by other crates
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable `pub` item
[INFO] [stdout]    --> src/lib.rs:277:5
[INFO] [stdout]     |
[INFO] [stdout] 277 |     pub trait Sealed<T: ?Sized> {}
[INFO] [stdout]     |     ---^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     help: consider restricting its visibility: `pub(crate)`
[INFO] [stdout]     |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> src/lib.rs:3:9
[INFO] [stdout]     |
[INFO] [stdout] 3   | #![warn(unreachable_pub)]
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^
[INFO] [stdout]     = help: or consider exporting it for use by other crates
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable `pub` item
[INFO] [stdout]   --> src/pattern/mod.rs:24:1
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub trait Pattern<'a>: Sized + sealed::Sealed {
[INFO] [stdout]    | ---^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    | |
[INFO] [stdout]    | help: consider restricting its visibility: `pub(crate)`
[INFO] [stdout]    |
[INFO] [stdout]    = help: or consider exporting it for use by other crates
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable `pub` item
[INFO] [stdout]   --> src/pattern/mod.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     pub trait Sealed {}
[INFO] [stdout]    |     ---^^^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     help: consider restricting its visibility: `pub(crate)`
[INFO] [stdout]    |
[INFO] [stdout]    = help: or consider exporting it for use by other crates
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable `pub` item
[INFO] [stdout]   --> src/pattern/mod.rs:85:1
[INFO] [stdout]    |
[INFO] [stdout] 85 | pub enum SearchStep {
[INFO] [stdout]    | ---^^^^^^^^^^^^^^^^
[INFO] [stdout]    | |
[INFO] [stdout]    | help: consider restricting its visibility: `pub(crate)`
[INFO] [stdout]    |
[INFO] [stdout]    = help: or consider exporting it for use by other crates
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable `pub` item
[INFO] [stdout]   --> src/pattern/mod.rs:91:1
[INFO] [stdout]    |
[INFO] [stdout] 91 | pub unsafe trait Searcher<'a> {
[INFO] [stdout]    | ---^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    | |
[INFO] [stdout]    | help: consider restricting its visibility: `pub(crate)`
[INFO] [stdout]    |
[INFO] [stdout]    = help: or consider exporting it for use by other crates
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable `pub` item
[INFO] [stdout]    --> src/pattern/mod.rs:118:1
[INFO] [stdout]     |
[INFO] [stdout] 118 | pub unsafe trait ReverseSearcher<'a>: Searcher<'a> {
[INFO] [stdout]     | ---^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     | |
[INFO] [stdout]     | help: consider restricting its visibility: `pub(crate)`
[INFO] [stdout]     |
[INFO] [stdout]     = help: or consider exporting it for use by other crates
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable `pub` item
[INFO] [stdout]    --> src/pattern/mod.rs:145:1
[INFO] [stdout]     |
[INFO] [stdout] 145 | pub struct CharSearcher<'a> {
[INFO] [stdout]     | ---^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     | |
[INFO] [stdout]     | help: consider restricting its visibility: `pub(crate)`
[INFO] [stdout]     |
[INFO] [stdout]     = help: or consider exporting it for use by other crates
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable `pub` item
[INFO] [stdout]    --> src/pattern/mod.rs:470:1
[INFO] [stdout]     |
[INFO] [stdout] 470 | pub struct CharSliceSearcher<'a, 'b>(<MultiCharEqPattern<&'b [char]> as Pattern<'a>>::Searcher);
[INFO] [stdout]     | ---^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     | |
[INFO] [stdout]     | help: consider restricting its visibility: `pub(crate)`
[INFO] [stdout]     |
[INFO] [stdout]     = help: or consider exporting it for use by other crates
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable `pub` item
[INFO] [stdout]    --> src/pattern/mod.rs:489:1
[INFO] [stdout]     |
[INFO] [stdout] 489 |   pub struct CharPredicateSearcher<'a, F>(<MultiCharEqPattern<F> as Pattern<'a>>::Searcher)
[INFO] [stdout]     |   ^--
[INFO] [stdout]     |   |
[INFO] [stdout]     |  _help: consider restricting its visibility: `pub(crate)`
[INFO] [stdout]     | |
[INFO] [stdout] 490 | | where
[INFO] [stdout] 491 | |     F: FnMut(char) -> bool;
[INFO] [stdout]     | |___________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = help: or consider exporting it for use by other crates
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable `pub` item
[INFO] [stdout]    --> src/pattern/mod.rs:572:1
[INFO] [stdout]     |
[INFO] [stdout] 572 | pub struct StrSearcher<'a, 'b> {
[INFO] [stdout]     | ---^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     | |
[INFO] [stdout]     | help: consider restricting its visibility: `pub(crate)`
[INFO] [stdout]     |
[INFO] [stdout]     = help: or consider exporting it for use by other crates
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable `pub` item
[INFO] [stdout]   --> src/pattern/mod.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     pub trait Sealed {}
[INFO] [stdout]    |     ---^^^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     help: consider restricting its visibility: `pub(crate)`
[INFO] [stdout]    |
[INFO] [stdout]    = help: or consider exporting it for use by other crates
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.38s
[INFO] running `Command { std: "docker" "inspect" "f63d8ddd5ebf69e681c1bf3b1ec900a5ded1d1814fca707112725b2c08615ead", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f63d8ddd5ebf69e681c1bf3b1ec900a5ded1d1814fca707112725b2c08615ead", kill_on_drop: false }`
[INFO] [stdout] f63d8ddd5ebf69e681c1bf3b1ec900a5ded1d1814fca707112725b2c08615ead