[INFO] fetching crate ra_ap_la-arena 0.0.66...
[INFO] testing ra_ap_la-arena-0.0.66 against master#b70888601af92f6cdc0364abab3446e418b91d36 for pr-86479
[INFO] extracting crate ra_ap_la-arena 0.0.66 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate ra_ap_la-arena 0.0.66 on toolchain b70888601af92f6cdc0364abab3446e418b91d36
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ra_ap_la-arena 0.0.66
[INFO] finished tweaking crates.io crate ra_ap_la-arena 0.0.66
[INFO] tweaked toml for crates.io crate ra_ap_la-arena 0.0.66 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e8b40e678537c637e3a17cda787564c19ee66fb089bbc672d8a1a50ac83a86dd
[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" "e8b40e678537c637e3a17cda787564c19ee66fb089bbc672d8a1a50ac83a86dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e8b40e678537c637e3a17cda787564c19ee66fb089bbc672d8a1a50ac83a86dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e8b40e678537c637e3a17cda787564c19ee66fb089bbc672d8a1a50ac83a86dd", kill_on_drop: false }`
[INFO] [stdout] e8b40e678537c637e3a17cda787564c19ee66fb089bbc672d8a1a50ac83a86dd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c11540d456f78ec507de20437032bfed3c5c300a0e6d01328aa33812cd4abb04
[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" "c11540d456f78ec507de20437032bfed3c5c300a0e6d01328aa33812cd4abb04", kill_on_drop: false }`
[INFO] [stderr]    Compiling ra_ap_la-arena v0.0.66 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.29s
[INFO] running `Command { std: "docker" "inspect" "c11540d456f78ec507de20437032bfed3c5c300a0e6d01328aa33812cd4abb04", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c11540d456f78ec507de20437032bfed3c5c300a0e6d01328aa33812cd4abb04", kill_on_drop: false }`
[INFO] [stdout] c11540d456f78ec507de20437032bfed3c5c300a0e6d01328aa33812cd4abb04
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 467f3c0834f66d9ebb2e5b116166256c173d670aa9e4f646b0a47d8f085ee3f4
[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" "467f3c0834f66d9ebb2e5b116166256c173d670aa9e4f646b0a47d8f085ee3f4", kill_on_drop: false }`
[INFO] [stderr]    Compiling ra_ap_la-arena v0.0.66 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.41s
[INFO] running `Command { std: "docker" "inspect" "467f3c0834f66d9ebb2e5b116166256c173d670aa9e4f646b0a47d8f085ee3f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "467f3c0834f66d9ebb2e5b116166256c173d670aa9e4f646b0a47d8f085ee3f4", kill_on_drop: false }`
[INFO] [stdout] 467f3c0834f66d9ebb2e5b116166256c173d670aa9e4f646b0a47d8f085ee3f4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 03114478d56ef544accdd92cd711f7f6d921f95ffe821ccd5426b3a33d2c2f5e
[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" "03114478d56ef544accdd92cd711f7f6d921f95ffe821ccd5426b3a33d2c2f5e", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/ra_ap_la_arena-7cc3760c4da02dd0)
[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 ra_ap_la-arena
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test src/lib.rs - Arena<T>::is_empty (line 153) ... FAILED
[INFO] [stdout] test src/lib.rs - Arena<T>::clear (line 117) ... FAILED
[INFO] [stdout] test src/lib.rs - Arena<T>::alloc (line 166) ... FAILED
[INFO] [stdout] test src/lib.rs - Arena<T>::new (line 107) ... FAILED
[INFO] [stdout] test src/lib.rs - Arena<T>::iter_mut (line 199) ... FAILED
[INFO] [stdout] test src/lib.rs - Arena<T>::iter (line 180) ... FAILED
[INFO] [stdout] test src/lib.rs - Arena<T>::len (line 134) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - Arena<T>::is_empty (line 153) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `la_arena`
[INFO] [stdout]  --> src/lib.rs:154:27
[INFO] [stdout]   |
[INFO] [stdout] 3 | let mut arena = la_arena::Arena::new();
[INFO] [stdout]   |                           ^^^^^ not found in `la_arena`
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]   |
[INFO] [stdout] 2 | use ra_ap_la_arena::Arena;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - Arena<T>::clear (line 117) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `la_arena`
[INFO] [stdout]  --> src/lib.rs:118:27
[INFO] [stdout]   |
[INFO] [stdout] 3 | let mut arena = la_arena::Arena::new();
[INFO] [stdout]   |                           ^^^^^ not found in `la_arena`
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]   |
[INFO] [stdout] 2 | use ra_ap_la_arena::Arena;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - Arena<T>::alloc (line 166) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `la_arena`
[INFO] [stdout]  --> src/lib.rs:167:27
[INFO] [stdout]   |
[INFO] [stdout] 3 | let mut arena = la_arena::Arena::new();
[INFO] [stdout]   |                           ^^^^^ not found in `la_arena`
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]   |
[INFO] [stdout] 2 | use ra_ap_la_arena::Arena;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - Arena<T>::new (line 107) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `la_arena`
[INFO] [stdout]  --> src/lib.rs:108:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | let arena: la_arena::Arena<i32> = la_arena::Arena::new();
[INFO] [stdout]   |            ^^^^^^^^ use of undeclared crate or module `la_arena`
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `la_arena`
[INFO] [stdout]  --> src/lib.rs:108:45
[INFO] [stdout]   |
[INFO] [stdout] 3 | let arena: la_arena::Arena<i32> = la_arena::Arena::new();
[INFO] [stdout]   |                                             ^^^^^ not found in `la_arena`
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]   |
[INFO] [stdout] 2 | use ra_ap_la_arena::Arena;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - Arena<T>::iter_mut (line 199) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `la_arena`
[INFO] [stdout]  --> src/lib.rs:200:27
[INFO] [stdout]   |
[INFO] [stdout] 3 | let mut arena = la_arena::Arena::new();
[INFO] [stdout]   |                           ^^^^^ not found in `la_arena`
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]   |
[INFO] [stdout] 2 | use ra_ap_la_arena::Arena;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - Arena<T>::iter (line 180) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `la_arena`
[INFO] [stdout]  --> src/lib.rs:181:27
[INFO] [stdout]   |
[INFO] [stdout] 3 | let mut arena = la_arena::Arena::new();
[INFO] [stdout]   |                           ^^^^^ not found in `la_arena`
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]   |
[INFO] [stdout] 2 | use ra_ap_la_arena::Arena;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - Arena<T>::len (line 134) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `la_arena`
[INFO] [stdout]  --> src/lib.rs:135:27
[INFO] [stdout]   |
[INFO] [stdout] 3 | let mut arena = la_arena::Arena::new();
[INFO] [stdout]   |                           ^^^^^ not found in `la_arena`
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]   |
[INFO] [stdout] 2 | use ra_ap_la_arena::Arena;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - Arena<T>::alloc (line 166)
[INFO] [stdout]     src/lib.rs - Arena<T>::clear (line 117)
[INFO] [stdout]     src/lib.rs - Arena<T>::is_empty (line 153)
[INFO] [stdout]     src/lib.rs - Arena<T>::iter (line 180)
[INFO] [stdout]     src/lib.rs - Arena<T>::iter_mut (line 199)
[INFO] [stdout]     src/lib.rs - Arena<T>::len (line 134)
[INFO] [stdout]     src/lib.rs - Arena<T>::new (line 107)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 7 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.65s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] running `Command { std: "docker" "inspect" "03114478d56ef544accdd92cd711f7f6d921f95ffe821ccd5426b3a33d2c2f5e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "03114478d56ef544accdd92cd711f7f6d921f95ffe821ccd5426b3a33d2c2f5e", kill_on_drop: false }`
[INFO] [stdout] 03114478d56ef544accdd92cd711f7f6d921f95ffe821ccd5426b3a33d2c2f5e