[INFO] fetching crate myriad 0.1.1...
[INFO] testing myriad-0.1.1 against 1.49.0 for beta-1.50-1
[INFO] extracting crate myriad 0.1.1 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate myriad 0.1.1 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate myriad 0.1.1
[INFO] finished tweaking crates.io crate myriad 0.1.1
[INFO] tweaked toml for crates.io crate myriad 0.1.1 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", 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] bb64b498d025f251acd6ee1dac0e81c8367b4b1bc3c453e45593c474133ec7be
[INFO] running `Command { std: "docker" "start" "-a" "bb64b498d025f251acd6ee1dac0e81c8367b4b1bc3c453e45593c474133ec7be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bb64b498d025f251acd6ee1dac0e81c8367b4b1bc3c453e45593c474133ec7be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bb64b498d025f251acd6ee1dac0e81c8367b4b1bc3c453e45593c474133ec7be", kill_on_drop: false }`
[INFO] [stdout] bb64b498d025f251acd6ee1dac0e81c8367b4b1bc3c453e45593c474133ec7be
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] acca473d8c791f7e12ab057ea736235c042dca38713bc546a84e33a048cf1aa2
[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" "acca473d8c791f7e12ab057ea736235c042dca38713bc546a84e33a048cf1aa2", kill_on_drop: false }`
[INFO] [stderr]    Compiling myriad v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/mpmc/mod.rs:38:15
[INFO] [stdout]    |
[INFO] [stdout] 38 |     data: Box<LockFree<T>>,
[INFO] [stdout]    |               ^^^^^^^^^^^ help: use `dyn`: `dyn LockFree<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 0.51s
[INFO] running `Command { std: "docker" "inspect" "acca473d8c791f7e12ab057ea736235c042dca38713bc546a84e33a048cf1aa2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "acca473d8c791f7e12ab057ea736235c042dca38713bc546a84e33a048cf1aa2", kill_on_drop: false }`
[INFO] [stdout] acca473d8c791f7e12ab057ea736235c042dca38713bc546a84e33a048cf1aa2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a5170442eaa6ce6516c351f4ceddabedd6e2d2555b1ebcf213c00520e95bdb61
[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" "a5170442eaa6ce6516c351f4ceddabedd6e2d2555b1ebcf213c00520e95bdb61", kill_on_drop: false }`
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/mpmc/mod.rs:38:15
[INFO] [stdout]    |
[INFO] [stdout] 38 |     data: Box<LockFree<T>>,
[INFO] [stdout]    |               ^^^^^^^^^^^ help: use `dyn`: `dyn LockFree<T>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling myriad v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Ordering::*`
[INFO] [stdout]   --> src/mpmc/stack.rs:97:42
[INFO] [stdout]    |
[INFO] [stdout] 97 |     use std::sync::atomic::{AtomicUsize, Ordering::*};
[INFO] [stdout]    |                                          ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/mpmc/mod.rs:38:15
[INFO] [stdout]    |
[INFO] [stdout] 38 |     data: Box<LockFree<T>>,
[INFO] [stdout]    |               ^^^^^^^^^^^ help: use `dyn`: `dyn LockFree<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 1.32s
[INFO] running `Command { std: "docker" "inspect" "a5170442eaa6ce6516c351f4ceddabedd6e2d2555b1ebcf213c00520e95bdb61", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a5170442eaa6ce6516c351f4ceddabedd6e2d2555b1ebcf213c00520e95bdb61", kill_on_drop: false }`
[INFO] [stdout] a5170442eaa6ce6516c351f4ceddabedd6e2d2555b1ebcf213c00520e95bdb61
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 63597825a9969b3b2c61a2546619f020022d84c0810d38e96527ea41005eb2c5
[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" "63597825a9969b3b2c61a2546619f020022d84c0810d38e96527ea41005eb2c5", kill_on_drop: false }`
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/mpmc/mod.rs:38:15
[INFO] [stderr]    |
[INFO] [stderr] 38 |     data: Box<LockFree<T>>,
[INFO] [stderr]    |               ^^^^^^^^^^^ help: use `dyn`: `dyn LockFree<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: unused import: `Ordering::*`
[INFO] [stderr]   --> src/mpmc/stack.rs:97:42
[INFO] [stderr]    |
[INFO] [stderr] 97 |     use std::sync::atomic::{AtomicUsize, Ordering::*};
[INFO] [stderr]    |                                          ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/mpmc/mod.rs:38:15
[INFO] [stderr]    |
[INFO] [stderr] 38 |     data: Box<LockFree<T>>,
[INFO] [stderr]    |               ^^^^^^^^^^^ help: use `dyn`: `dyn LockFree<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 0.04s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/myriad-81f0cd2ec1684875
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test mpmc::queue::test::drop ... ok
[INFO] [stdout] test mpmc::queue::test::len ... ok
[INFO] [stdout] test mpmc::queue::test::sanity ... ok
[INFO] [stdout] test mpmc::stack::test::drop ... ok
[INFO] [stdout] test mpmc::stack::test::len ... ok
[INFO] [stdout] test mpmc::stack::test::sanity ... ok
[INFO] [stderr]    Doc-tests myriad
[INFO] [stdout] test mpmc::stack::test::pop_and_drop ... ok
[INFO] [stdout] test mpmc::queue::test::pop_and_drop ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[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" "63597825a9969b3b2c61a2546619f020022d84c0810d38e96527ea41005eb2c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "63597825a9969b3b2c61a2546619f020022d84c0810d38e96527ea41005eb2c5", kill_on_drop: false }`
[INFO] [stdout] 63597825a9969b3b2c61a2546619f020022d84c0810d38e96527ea41005eb2c5