[INFO] fetching crate pb-arena 0.1.3...
[INFO] testing pb-arena-0.1.3 against try#b83b707f97d809763b7861afa7638871f3339a33 for pr-145838-1
[INFO] extracting crate pb-arena 0.1.3 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate pb-arena 0.1.3
[INFO] finished tweaking crates.io crate pb-arena 0.1.3
[INFO] tweaked toml for crates.io crate pb-arena 0.1.3 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate pb-arena 0.1.3 on toolchain b83b707f97d809763b7861afa7638871f3339a33
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "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" "+b83b707f97d809763b7861afa7638871f3339a33" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 2 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 290020a202cc1bcaac133b35881c2aa23348b4c95a57b667f06fb6a1f0cc6eba
[INFO] running `Command { std: "docker" "start" "-a" "290020a202cc1bcaac133b35881c2aa23348b4c95a57b667f06fb6a1f0cc6eba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "290020a202cc1bcaac133b35881c2aa23348b4c95a57b667f06fb6a1f0cc6eba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "290020a202cc1bcaac133b35881c2aa23348b4c95a57b667f06fb6a1f0cc6eba", kill_on_drop: false }`
[INFO] [stdout] 290020a202cc1bcaac133b35881c2aa23348b4c95a57b667f06fb6a1f0cc6eba
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b94188767ca8fbef470aa67bb0b4e8fb6ac8e2d916deb2d0c6859b141e66637e
[INFO] running `Command { std: "docker" "start" "-a" "b94188767ca8fbef470aa67bb0b4e8fb6ac8e2d916deb2d0c6859b141e66637e", kill_on_drop: false }`
[INFO] [stderr]    Compiling pb-atomic-linked-list v0.1.6
[INFO] [stderr]    Compiling pb-atomic-hash-map v0.1.0
[INFO] [stderr]    Compiling pb-arena v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `prelude::AtomicLinkedList`
[INFO] [stdout]  --> src/sync/mod.rs:4:29
[INFO] [stdout]   |
[INFO] [stdout] 4 | use pb_atomic_linked_list::{prelude::AtomicLinkedList as _, AtomicLinkedList, AtomicQueue};
[INFO] [stdout]   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `next_block` is never used
[INFO] [stdout]    --> src/lib.rs:153:8
[INFO] [stdout]     |
[INFO] [stdout] 146 | impl ArenaId {
[INFO] [stdout]     | ------------ method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 153 |     fn next_block(&self) -> Self {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.47s
[INFO] running `Command { std: "docker" "inspect" "b94188767ca8fbef470aa67bb0b4e8fb6ac8e2d916deb2d0c6859b141e66637e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b94188767ca8fbef470aa67bb0b4e8fb6ac8e2d916deb2d0c6859b141e66637e", kill_on_drop: false }`
[INFO] [stdout] b94188767ca8fbef470aa67bb0b4e8fb6ac8e2d916deb2d0c6859b141e66637e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b488591ff5fb995c14d94dc7cfed787f07888c78a0483554912d2c755bb928bb
[INFO] running `Command { std: "docker" "start" "-a" "b488591ff5fb995c14d94dc7cfed787f07888c78a0483554912d2c755bb928bb", kill_on_drop: false }`
[INFO] [stderr]    Compiling pb-arena v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `prelude::AtomicLinkedList`
[INFO] [stdout]  --> src/sync/mod.rs:4:29
[INFO] [stdout]   |
[INFO] [stdout] 4 | use pb_atomic_linked_list::{prelude::AtomicLinkedList as _, AtomicLinkedList, AtomicQueue};
[INFO] [stdout]   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `next_block` is never used
[INFO] [stdout]    --> src/lib.rs:153:8
[INFO] [stdout]     |
[INFO] [stdout] 146 | impl ArenaId {
[INFO] [stdout]     | ------------ method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 153 |     fn next_block(&self) -> Self {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `prelude::AtomicLinkedList`
[INFO] [stdout]  --> src/sync/mod.rs:4:29
[INFO] [stdout]   |
[INFO] [stdout] 4 | use pb_atomic_linked_list::{prelude::AtomicLinkedList as _, AtomicLinkedList, AtomicQueue};
[INFO] [stdout]   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `next_block` is never used
[INFO] [stdout]    --> src/lib.rs:153:8
[INFO] [stdout]     |
[INFO] [stdout] 146 | impl ArenaId {
[INFO] [stdout]     | ------------ method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 153 |     fn next_block(&self) -> Self {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.57s
[INFO] running `Command { std: "docker" "inspect" "b488591ff5fb995c14d94dc7cfed787f07888c78a0483554912d2c755bb928bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b488591ff5fb995c14d94dc7cfed787f07888c78a0483554912d2c755bb928bb", kill_on_drop: false }`
[INFO] [stdout] b488591ff5fb995c14d94dc7cfed787f07888c78a0483554912d2c755bb928bb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b6117b96fc6959ba380b8597dfa211bc4283ab3b514d0d2cab951db6a8d9cea8
[INFO] running `Command { std: "docker" "start" "-a" "b6117b96fc6959ba380b8597dfa211bc4283ab3b514d0d2cab951db6a8d9cea8", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `prelude::AtomicLinkedList`
[INFO] [stderr]  --> src/sync/mod.rs:4:29
[INFO] [stderr]   |
[INFO] [stderr] 4 | use pb_atomic_linked_list::{prelude::AtomicLinkedList as _, AtomicLinkedList, AtomicQueue};
[INFO] [stderr]   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method `next_block` is never used
[INFO] [stderr]    --> src/lib.rs:153:8
[INFO] [stderr]     |
[INFO] [stderr] 146 | impl ArenaId {
[INFO] [stderr]     | ------------ method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 153 |     fn next_block(&self) -> Self {
[INFO] [stderr]     |        ^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `pb-arena` (lib) generated 2 warnings
[INFO] [stderr] warning: `pb-arena` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/pb_arena-db85cf7db17df3db)
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test tests::test_alloc ... ok
[INFO] [stdout] test tests::test_cannot_mut_borrow_if_already_borrowed ... ok
[INFO] [stdout] test tests::test_can_borrow_multiple_times ... ok
[INFO] [stdout] test tests::test_can_mut_borrow_two_different_entries ... ok
[INFO] [stdout] test tests::test_iter ... ok
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/deps/pb_arena-db85cf7db17df3db` (signal: 11, SIGSEGV: invalid memory reference)
[INFO] running `Command { std: "docker" "inspect" "b6117b96fc6959ba380b8597dfa211bc4283ab3b514d0d2cab951db6a8d9cea8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b6117b96fc6959ba380b8597dfa211bc4283ab3b514d0d2cab951db6a8d9cea8", kill_on_drop: false }`
[INFO] [stdout] b6117b96fc6959ba380b8597dfa211bc4283ab3b514d0d2cab951db6a8d9cea8