[INFO] fetching crate lossyq 0.1.19...
[INFO] testing lossyq-0.1.19 against try#eafdee2dfae8c2233b74f98b123308be7ccefcc6 for pr-79296
[INFO] extracting crate lossyq 0.1.19 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate lossyq 0.1.19 on toolchain eafdee2dfae8c2233b74f98b123308be7ccefcc6
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate lossyq 0.1.19
[INFO] finished tweaking crates.io crate lossyq 0.1.19
[INFO] tweaked toml for crates.io crate lossyq 0.1.19 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 25649945af3b5f7d69cd7fce8eea1f55bd0c102bad913f9ebac6634900e90668
[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" "25649945af3b5f7d69cd7fce8eea1f55bd0c102bad913f9ebac6634900e90668", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "25649945af3b5f7d69cd7fce8eea1f55bd0c102bad913f9ebac6634900e90668", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "25649945af3b5f7d69cd7fce8eea1f55bd0c102bad913f9ebac6634900e90668", kill_on_drop: false }`
[INFO] [stdout] 25649945af3b5f7d69cd7fce8eea1f55bd0c102bad913f9ebac6634900e90668
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 23435f6bf428c07fcecdcc5eda0422f9f78dcd3f9833cf736e231403414f2a38
[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" "23435f6bf428c07fcecdcc5eda0422f9f78dcd3f9833cf736e231403414f2a38", kill_on_drop: false }`
[INFO] [stderr]    Compiling lossyq v0.1.19 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/spsc/noloss.rs:16:37
[INFO] [stdout]    |
[INFO] [stdout] 16 |                      overflow: &mut Overflow<Input=T>)
[INFO] [stdout]    |                                     ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Overflow<Input=T>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.26s
[INFO] running `Command { std: "docker" "inspect" "23435f6bf428c07fcecdcc5eda0422f9f78dcd3f9833cf736e231403414f2a38", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "23435f6bf428c07fcecdcc5eda0422f9f78dcd3f9833cf736e231403414f2a38", kill_on_drop: false }`
[INFO] [stdout] 23435f6bf428c07fcecdcc5eda0422f9f78dcd3f9833cf736e231403414f2a38
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6affdeb7f0f8d140fe00a089add3575715b134a3febf7116894abfc0968a37b4
[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" "6affdeb7f0f8d140fe00a089add3575715b134a3febf7116894abfc0968a37b4", kill_on_drop: false }`
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/spsc/noloss.rs:16:37
[INFO] [stdout]    |
[INFO] [stdout] 16 |                      overflow: &mut Overflow<Input=T>)
[INFO] [stdout]    |                                     ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Overflow<Input=T>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling lossyq v0.1.19 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/cb/tests.rs:144:71
[INFO] [stdout]     |
[INFO] [stdout] 144 |   let c = x.iter().fold(String::new(), |mut acc,x| { acc.push_str(x); (acc) } );
[INFO] [stdout]     |                                                                       ^^^^^ help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/spsc/noloss.rs:16:37
[INFO] [stdout]    |
[INFO] [stdout] 16 |                      overflow: &mut Overflow<Input=T>)
[INFO] [stdout]    |                                     ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Overflow<Input=T>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 4.15s
[INFO] running `Command { std: "docker" "inspect" "6affdeb7f0f8d140fe00a089add3575715b134a3febf7116894abfc0968a37b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6affdeb7f0f8d140fe00a089add3575715b134a3febf7116894abfc0968a37b4", kill_on_drop: false }`
[INFO] [stdout] 6affdeb7f0f8d140fe00a089add3575715b134a3febf7116894abfc0968a37b4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 074a9576af21a0f1dadbfd4abb3174879653f399c5bdbc1b1a72752f774f9831
[INFO] running `Command { std: "docker" "start" "-a" "074a9576af21a0f1dadbfd4abb3174879653f399c5bdbc1b1a72752f774f9831", kill_on_drop: false }`
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/spsc/noloss.rs:16:37
[INFO] [stderr]    |
[INFO] [stderr] 16 |                      overflow: &mut Overflow<Input=T>)
[INFO] [stderr]    |                                     ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Overflow<Input=T>`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]    --> src/cb/tests.rs:144:71
[INFO] [stderr]     |
[INFO] [stderr] 144 |   let c = x.iter().fold(String::new(), |mut acc,x| { acc.push_str(x); (acc) } );
[INFO] [stderr]     |                                                                       ^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/spsc/noloss.rs:16:37
[INFO] [stderr]    |
[INFO] [stderr] 16 |                      overflow: &mut Overflow<Input=T>)
[INFO] [stderr]    |                                     ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Overflow<Input=T>`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/lossyq-f5b50805ff1fdb6b
[INFO] [stdout] 
[INFO] [stdout] running 23 tests
[INFO] [stdout] test cb::tests::add_one ... ok
[INFO] [stdout] test cb::tests::iter_empty_i32_5 ... ok
[INFO] [stdout] test cb::tests::empty_buffer ... ok
[INFO] [stdout] test cb::tests::iter_less_str_7 ... ok
[INFO] [stdout] test cb::tests::tmp_and_put_i32 ... ok
[INFO] [stdout] test spsc::tests::boxed_string_obj ... ok
[INFO] [stdout] test cb::tests::read_twice ... ok
[INFO] [stdout] test cb::tests::put_overflow_box_string_3 ... ok
[INFO] [stdout] test spsc::tests::at_most_once ... ok
[INFO] [stdout] test cb::tests::sum_available ... ok
[INFO] [stdout] test cb::tests::put_full_str ... ok
[INFO] [stdout] test spsc::tests::string_literal ... ok
[INFO] [stdout] test cb::tests::put_less_i32 ... ok
[INFO] [stdout] test spsc::tests::option_i32 ... ok
[INFO] [stdout] test cb::tests::put_overflow_box_string ... ok
[INFO] [stdout] test spsc::tests::with_spawn ... ok
[INFO] [stdout] test cb::tests::iter_full_box_string ... ok
[INFO] [stdout] test spsc::tests::range ... ok
[INFO] [stdout] test cb::tests::iter_less_str ... ok
[INFO] [stdout] test cb::tests::iter_less_i32 ... ok
[INFO] [stdout] test cb::tests::iter_overflow_i32 ... ok
[INFO] [stdout] test spsc::tests::pour_test ... ok
[INFO] [stdout] test spsc::tests::no_loss_iter ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 23 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests lossyq
[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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "074a9576af21a0f1dadbfd4abb3174879653f399c5bdbc1b1a72752f774f9831", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "074a9576af21a0f1dadbfd4abb3174879653f399c5bdbc1b1a72752f774f9831", kill_on_drop: false }`
[INFO] [stdout] 074a9576af21a0f1dadbfd4abb3174879653f399c5bdbc1b1a72752f774f9831