[INFO] fetching crate ra_ap_la-arena 0.0.97...
[INFO] testing ra_ap_la-arena-0.0.97 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate ra_ap_la-arena 0.0.97 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate ra_ap_la-arena 0.0.97 on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ra_ap_la-arena 0.0.97
[INFO] finished tweaking crates.io crate ra_ap_la-arena 0.0.97
[INFO] tweaked toml for crates.io crate ra_ap_la-arena 0.0.97 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c30ce281a335f9fcabe8accc25a8f4016be7623c5af44d3ebc5e5fd9446dbeb5
[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" "c30ce281a335f9fcabe8accc25a8f4016be7623c5af44d3ebc5e5fd9446dbeb5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c30ce281a335f9fcabe8accc25a8f4016be7623c5af44d3ebc5e5fd9446dbeb5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c30ce281a335f9fcabe8accc25a8f4016be7623c5af44d3ebc5e5fd9446dbeb5", kill_on_drop: false }`
[INFO] [stdout] c30ce281a335f9fcabe8accc25a8f4016be7623c5af44d3ebc5e5fd9446dbeb5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1b6fb391d98812e757b9b948013e2a137cf288e9baeefc3a2671e0c5bf843492
[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" "1b6fb391d98812e757b9b948013e2a137cf288e9baeefc3a2671e0c5bf843492", kill_on_drop: false }`
[INFO] [stderr]    Compiling ra_ap_la-arena v0.0.97 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.49s
[INFO] running `Command { std: "docker" "inspect" "1b6fb391d98812e757b9b948013e2a137cf288e9baeefc3a2671e0c5bf843492", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b6fb391d98812e757b9b948013e2a137cf288e9baeefc3a2671e0c5bf843492", kill_on_drop: false }`
[INFO] [stdout] 1b6fb391d98812e757b9b948013e2a137cf288e9baeefc3a2671e0c5bf843492
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 02f239eaaf1b5a0eb1f18158626bd1a3aa286791bd659f14111f1f31d135e405
[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" "02f239eaaf1b5a0eb1f18158626bd1a3aa286791bd659f14111f1f31d135e405", kill_on_drop: false }`
[INFO] [stderr]    Compiling ra_ap_la-arena v0.0.97 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.01s
[INFO] running `Command { std: "docker" "inspect" "02f239eaaf1b5a0eb1f18158626bd1a3aa286791bd659f14111f1f31d135e405", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "02f239eaaf1b5a0eb1f18158626bd1a3aa286791bd659f14111f1f31d135e405", kill_on_drop: false }`
[INFO] [stdout] 02f239eaaf1b5a0eb1f18158626bd1a3aa286791bd659f14111f1f31d135e405
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ec263f4264734211d17ce74b0f9d0705917b9ea4f70236f0f20dc5662a45d48e
[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" "ec263f4264734211d17ce74b0f9d0705917b9ea4f70236f0f20dc5662a45d48e", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/ra_ap_la_arena-27c555cc1fb4842a)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests ra_ap_la-arena
[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] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test src/lib.rs - IdxRange<T>::is_empty (line 140) ... FAILED
[INFO] [stdout] test src/lib.rs - Arena<T>::is_empty (line 248) ... FAILED
[INFO] [stdout] test src/lib.rs - Arena<T>::iter_mut (line 294) ... FAILED
[INFO] [stdout] test src/lib.rs - Arena<T>::iter (line 275) ... FAILED
[INFO] [stdout] test src/lib.rs - Arena<T>::new (line 202) ... FAILED
[INFO] [stdout] test src/lib.rs - IdxRange<T>::new_inclusive (line 119) ... FAILED
[INFO] [stdout] test src/lib.rs - IdxRange<T>::new (line 102) ... FAILED
[INFO] [stdout] test src/lib.rs - Arena<T>::clear (line 212) ... FAILED
[INFO] [stdout] test src/lib.rs - Arena<T>::alloc (line 261) ... FAILED
[INFO] [stdout] test src/lib.rs - Arena<T>::len (line 229) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - IdxRange<T>::is_empty (line 140) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `la_arena`
[INFO] [stdout]  --> src/lib.rs:141:27
[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[E0433]: failed to resolve: use of undeclared crate or module `la_arena`
[INFO] [stdout]  --> src/lib.rs:145:19
[INFO] [stdout]   |
[INFO] [stdout] 7 | assert!(la_arena::IdxRange::new(one..one).is_empty());
[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::IdxRange;
[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>::is_empty (line 248) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `la_arena`
[INFO] [stdout]  --> src/lib.rs:249:27
[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_mut (line 294) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `la_arena`
[INFO] [stdout]  --> src/lib.rs:295:27
[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 275) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `la_arena`
[INFO] [stdout]  --> src/lib.rs:276:27
[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 202) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `la_arena`
[INFO] [stdout]  --> src/lib.rs:203:12
[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:203:45
[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 - IdxRange<T>::new_inclusive (line 119) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `la_arena`
[INFO] [stdout]  --> src/lib.rs:120:27
[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[E0433]: failed to resolve: use of undeclared crate or module `la_arena`
[INFO] [stdout]  --> src/lib.rs:125:23
[INFO] [stdout]   |
[INFO] [stdout] 8 | let range = la_arena::IdxRange::new_inclusive(foo..=baz);
[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::IdxRange;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `la_arena`
[INFO] [stdout]   --> src/lib.rs:128:23
[INFO] [stdout]    |
[INFO] [stdout] 11 | let range = la_arena::IdxRange::new_inclusive(foo..=foo);
[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::IdxRange;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 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 - IdxRange<T>::new (line 102) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `la_arena`
[INFO] [stdout]  --> src/lib.rs:103:27
[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[E0433]: failed to resolve: use of undeclared crate or module `la_arena`
[INFO] [stdout]  --> src/lib.rs:109:23
[INFO] [stdout]   |
[INFO] [stdout] 9 | let range = la_arena::IdxRange::new(b..d);
[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::IdxRange;
[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>::clear (line 212) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `la_arena`
[INFO] [stdout]  --> src/lib.rs:213:27
[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 261) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `la_arena`
[INFO] [stdout]  --> src/lib.rs:262:27
[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 229) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `la_arena`
[INFO] [stdout]  --> src/lib.rs:230:27
[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 261)
[INFO] [stdout]     src/lib.rs - Arena<T>::clear (line 212)
[INFO] [stdout]     src/lib.rs - Arena<T>::is_empty (line 248)
[INFO] [stdout]     src/lib.rs - Arena<T>::iter (line 275)
[INFO] [stdout]     src/lib.rs - Arena<T>::iter_mut (line 294)
[INFO] [stdout]     src/lib.rs - Arena<T>::len (line 229)
[INFO] [stdout]     src/lib.rs - Arena<T>::new (line 202)
[INFO] [stdout]     src/lib.rs - IdxRange<T>::is_empty (line 140)
[INFO] [stdout]     src/lib.rs - IdxRange<T>::new (line 102)
[INFO] [stdout]     src/lib.rs - IdxRange<T>::new_inclusive (line 119)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 10 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.69s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] running `Command { std: "docker" "inspect" "ec263f4264734211d17ce74b0f9d0705917b9ea4f70236f0f20dc5662a45d48e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec263f4264734211d17ce74b0f9d0705917b9ea4f70236f0f20dc5662a45d48e", kill_on_drop: false }`
[INFO] [stdout] ec263f4264734211d17ce74b0f9d0705917b9ea4f70236f0f20dc5662a45d48e