[INFO] fetching crate reffers 0.7.0...
[INFO] testing reffers-0.7.0 against master#cdb45c87e2cd43495379f7e867e3cc15dcee9f93 for pr-145838-1
[INFO] extracting crate reffers 0.7.0 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate reffers 0.7.0
[INFO] finished tweaking crates.io crate reffers 0.7.0
[INFO] tweaked toml for crates.io crate reffers 0.7.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate reffers 0.7.0 on toolchain cdb45c87e2cd43495379f7e867e3cc15dcee9f93
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "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" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 1 package to latest compatible version
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2e204d8da43e9e9b1a0d224e7b9fcd54efa1ccfd9994d080ea4714ac46a4eca0
[INFO] running `Command { std: "docker" "start" "-a" "2e204d8da43e9e9b1a0d224e7b9fcd54efa1ccfd9994d080ea4714ac46a4eca0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2e204d8da43e9e9b1a0d224e7b9fcd54efa1ccfd9994d080ea4714ac46a4eca0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e204d8da43e9e9b1a0d224e7b9fcd54efa1ccfd9994d080ea4714ac46a4eca0", kill_on_drop: false }`
[INFO] [stdout] 2e204d8da43e9e9b1a0d224e7b9fcd54efa1ccfd9994d080ea4714ac46a4eca0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e7316a32dc0e1e906d7a14e4dfff708b1227be3bdef3732813bae5679c2781a4
[INFO] running `Command { std: "docker" "start" "-a" "e7316a32dc0e1e906d7a14e4dfff708b1227be3bdef3732813bae5679c2781a4", kill_on_drop: false }`
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling reffers v0.7.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: ambiguous wide pointer comparison, the comparison includes metadata which may not be expected
[INFO] [stdout]    --> src/aref.rs:115:8
[INFO] [stdout]     |
[INFO] [stdout] 115 |     if ptr2 != ptr1 {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(ambiguous_wide_pointer_comparisons)]` on by default
[INFO] [stdout] help: use `std::ptr::addr_eq` or untyped pointers to only compare their addresses
[INFO] [stdout]     |
[INFO] [stdout] 115 -     if ptr2 != ptr1 {
[INFO] [stdout] 115 +     if !std::ptr::addr_eq(ptr2, ptr1) {
[INFO] [stdout]     |
[INFO] [stdout] help: use explicit `std::ptr::eq` method to compare metadata and addresses
[INFO] [stdout]     |
[INFO] [stdout] 115 -     if ptr2 != ptr1 {
[INFO] [stdout] 115 +     if !std::ptr::eq(ptr2, ptr1) {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.84s
[INFO] running `Command { std: "docker" "inspect" "e7316a32dc0e1e906d7a14e4dfff708b1227be3bdef3732813bae5679c2781a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e7316a32dc0e1e906d7a14e4dfff708b1227be3bdef3732813bae5679c2781a4", kill_on_drop: false }`
[INFO] [stdout] e7316a32dc0e1e906d7a14e4dfff708b1227be3bdef3732813bae5679c2781a4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7b24d7e5c9308194982a78a6d3e0f174933c484daf0f37ca1da0e0067dc0b5cf
[INFO] running `Command { std: "docker" "start" "-a" "7b24d7e5c9308194982a78a6d3e0f174933c484daf0f37ca1da0e0067dc0b5cf", kill_on_drop: false }`
[INFO] [stderr]    Compiling reffers v0.7.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: ambiguous wide pointer comparison, the comparison includes metadata which may not be expected
[INFO] [stdout]    --> src/aref.rs:115:8
[INFO] [stdout]     |
[INFO] [stdout] 115 |     if ptr2 != ptr1 {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(ambiguous_wide_pointer_comparisons)]` on by default
[INFO] [stdout] help: use `std::ptr::addr_eq` or untyped pointers to only compare their addresses
[INFO] [stdout]     |
[INFO] [stdout] 115 -     if ptr2 != ptr1 {
[INFO] [stdout] 115 +     if !std::ptr::addr_eq(ptr2, ptr1) {
[INFO] [stdout]     |
[INFO] [stdout] help: use explicit `std::ptr::eq` method to compare metadata and addresses
[INFO] [stdout]     |
[INFO] [stdout] 115 -     if ptr2 != ptr1 {
[INFO] [stdout] 115 +     if !std::ptr::eq(ptr2, ptr1) {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: ambiguous wide pointer comparison, the comparison includes metadata which may not be expected
[INFO] [stdout]    --> src/aref.rs:115:8
[INFO] [stdout]     |
[INFO] [stdout] 115 |     if ptr2 != ptr1 {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(ambiguous_wide_pointer_comparisons)]` on by default
[INFO] [stdout] help: use `std::ptr::addr_eq` or untyped pointers to only compare their addresses
[INFO] [stdout]     |
[INFO] [stdout] 115 -     if ptr2 != ptr1 {
[INFO] [stdout] 115 +     if !std::ptr::addr_eq(ptr2, ptr1) {
[INFO] [stdout]     |
[INFO] [stdout] help: use explicit `std::ptr::eq` method to compare metadata and addresses
[INFO] [stdout]     |
[INFO] [stdout] 115 -     if ptr2 != ptr1 {
[INFO] [stdout] 115 +     if !std::ptr::eq(ptr2, ptr1) {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/aref.rs:700:27
[INFO] [stdout]     |
[INFO] [stdout] 700 |         pub fn idx_to_str(&self, idx: u32) -> ARef<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] 700 |         pub fn idx_to_str(&self, idx: u32) -> ARef<'_, str> {
[INFO] [stdout]     |                                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.74s
[INFO] running `Command { std: "docker" "inspect" "7b24d7e5c9308194982a78a6d3e0f174933c484daf0f37ca1da0e0067dc0b5cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7b24d7e5c9308194982a78a6d3e0f174933c484daf0f37ca1da0e0067dc0b5cf", kill_on_drop: false }`
[INFO] [stdout] 7b24d7e5c9308194982a78a6d3e0f174933c484daf0f37ca1da0e0067dc0b5cf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 48a7193e8bfc8286d153aab5ebc7ec673b1b1102856d6c7aa606dbbdc72110f9
[INFO] running `Command { std: "docker" "start" "-a" "48a7193e8bfc8286d153aab5ebc7ec673b1b1102856d6c7aa606dbbdc72110f9", kill_on_drop: false }`
[INFO] [stderr] warning: ambiguous wide pointer comparison, the comparison includes metadata which may not be expected
[INFO] [stderr]    --> src/aref.rs:115:8
[INFO] [stderr]     |
[INFO] [stderr] 115 |     if ptr2 != ptr1 {
[INFO] [stderr]     |        ^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(ambiguous_wide_pointer_comparisons)]` on by default
[INFO] [stderr] help: use `std::ptr::addr_eq` or untyped pointers to only compare their addresses
[INFO] [stderr]     |
[INFO] [stderr] 115 -     if ptr2 != ptr1 {
[INFO] [stderr] 115 +     if !std::ptr::addr_eq(ptr2, ptr1) {
[INFO] [stderr]     |
[INFO] [stderr] help: use explicit `std::ptr::eq` method to compare metadata and addresses
[INFO] [stderr]     |
[INFO] [stderr] 115 -     if ptr2 != ptr1 {
[INFO] [stderr] 115 +     if !std::ptr::eq(ptr2, ptr1) {
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: `reffers` (lib) generated 1 warning
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/aref.rs:700:27
[INFO] [stderr]     |
[INFO] [stderr] 700 |         pub fn idx_to_str(&self, idx: u32) -> ARef<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] 700 |         pub fn idx_to_str(&self, idx: u32) -> ARef<'_, str> {
[INFO] [stderr]     |                                                    +++
[INFO] [stderr] 
[INFO] [stderr] warning: `reffers` (lib test) generated 2 warnings (1 duplicate) (run `cargo fix --lib -p reffers --tests` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/reffers-667ca72a994b1c22)
[INFO] [stdout] 
[INFO] [stdout] running 22 tests
[INFO] [stdout] test arc::arc_drop ... ok
[INFO] [stdout] test arc::arc_basic ... ok
[INFO] [stdout] test aref::countdown_example ... ok
[INFO] [stdout] test arc::arc_str ... ok
[INFO] [stdout] test aref::verify_drop ... ok
[INFO] [stdout] test aref::verify_types ... ok
[INFO] [stdout] test rc::rc_drop ... ok
[INFO] [stdout] test arc::arc_slice ... ok
[INFO] [stdout] test aref::debug_impl ... ok
[INFO] [stdout] test rc::rc_basic ... ok
[INFO] [stdout] test rc::rc_hashmap ... ok
[INFO] [stdout] test arc::arc_send ... ok
[INFO] [stdout] test rc::rc_slice ... ok
[INFO] [stdout] test rc::rc_str ... ok
[INFO] [stdout] test aref::verify_descended_types ... ok
[INFO] [stdout] test rc_bitmask::bitmask ... ok
[INFO] [stdout] test rmba::rmba_box ... ok
[INFO] [stdout] test rmba::rmba_fat ... ok
[INFO] [stdout] test rmba::rmba_arc ... ok
[INFO] [stdout] test rmba::rmba_sizes ... ok
[INFO] [stdout] test rmba::rmba_typical ... ok
[INFO] [stdout] test rmba::rmba_unaligned - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 22 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.10s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests reffers
[INFO] [stdout] 
[INFO] [stdout] running 16 tests
[INFO] [stdout] test src/aref.rs - aref::ARef<'a,U>::new (line 424) ... ok
[INFO] [stdout] test src/aref.rs - aref::ARef<'a,U>::try_map (line 480) ... ok
[INFO] [stdout] test src/aref.rs - aref::ARefs<'a,U>::new (line 497) ... ok
[INFO] [stdout] test src/aref.rs - aref::ARefs<'a,U>::map (line 513) ... ok
[INFO] [stdout] test src/aref.rs - aref::ARef<'a,U>::map (line 465) ... ok
[INFO] [stdout] test src/aref.rs - aref::ARef<'a,U>::descend_from (line 378) ... ok
[INFO] [stdout] test src/aref.rs - aref::ARef (line 155) ... ok
[INFO] [stdout] test src/arc.rs - arc (line 7) ... ok
[INFO] [stdout] test src/rc.rs - rc (line 47) ... ok
[INFO] [stdout] test src/rmba.rs - rmba::RMBA (line 60) ... ok
[INFO] [stdout] test src/aref.rs - aref::ARefss<'a,U>::map (line 561) ... ok
[INFO] [stdout] test src/rc.rs - rc::Ref (line 510) ... ok
[INFO] [stdout] test src/aref.rs - aref::ARefs<'a,U>::try_map (line 525) ... ok
[INFO] [stdout] test src/rc_bitmask.rs - rc_bitmask::rc_bit_mask (line 83) ... ok
[INFO] [stdout] test src/aref.rs - aref::ARefss<'a,U>::new (line 545) ... ok
[INFO] [stdout] test src/aref.rs - aref::ARefss<'a,U>::try_map (line 573) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 16 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.58s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "48a7193e8bfc8286d153aab5ebc7ec673b1b1102856d6c7aa606dbbdc72110f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "48a7193e8bfc8286d153aab5ebc7ec673b1b1102856d6c7aa606dbbdc72110f9", kill_on_drop: false }`
[INFO] [stdout] 48a7193e8bfc8286d153aab5ebc7ec673b1b1102856d6c7aa606dbbdc72110f9