[INFO] updating cached repository https://github.com/akitsu-sanae/microps-rs
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] e217d2110e402a8a49909f08ea26725e2a9350cf
[INFO] testing akitsu-sanae/microps-rs against try#41997647ba6a77908f6ef64401414feb00bccf16 for pr-71274
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fakitsu-sanae%2Fmicrops-rs" "/workspace/builds/worker-0/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/akitsu-sanae/microps-rs on toolchain 41997647ba6a77908f6ef64401414feb00bccf16
[INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/akitsu-sanae/microps-rs
[INFO] finished tweaking git repo https://github.com/akitsu-sanae/microps-rs
[INFO] tweaked toml for git repo https://github.com/akitsu-sanae/microps-rs written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/akitsu-sanae/microps-rs already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "build" "--frozen"`
[INFO] [stdout] 11e819b391bcfab0843a63095a2ad760429f899eb0a500b5ab6d32d0b9c2a16c
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "11e819b391bcfab0843a63095a2ad760429f899eb0a500b5ab6d32d0b9c2a16c"`
[INFO] [stderr]    Compiling libc v0.2.62
[INFO] [stderr]    Compiling getrandom v0.1.12
[INFO] [stderr]    Compiling nodrop v0.1.13
[INFO] [stderr]    Compiling arrayvec v0.4.11
[INFO] [stderr]    Compiling odds v0.2.26
[INFO] [stderr]    Compiling c2-chacha v0.2.3
[INFO] [stderr]    Compiling arrayvec v0.3.25
[INFO] [stderr]    Compiling hexdump v0.1.0
[INFO] [stderr]    Compiling time v0.1.42
[INFO] [stderr]    Compiling ifstructs v0.1.1
[INFO] [stderr]    Compiling nix v0.15.0
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.1
[INFO] [stderr]    Compiling chrono v0.4.9
[INFO] [stderr]    Compiling rand v0.7.2
[INFO] [stderr]    Compiling uuid v0.8.1
[INFO] [stderr]    Compiling microps-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unnecessary braces around assigned value
[INFO] [stderr]    --> src/ethernet.rs:125:20
[INFO] [stderr]     |
[INFO] [stderr] 125 |             addr = { raw.addr()? };
[INFO] [stderr]     |                    ^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_braces)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around `for` iterator expression
[INFO] [stderr]    --> src/udp.rs:109:25
[INFO] [stderr]     |
[INFO] [stderr] 109 |             for port in { SOURCE_PORT_MIN..SOURCE_PORT_MAX } {
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr] 
[INFO] [stderr] warning: the feature `wait_timeout_until` has been stable since 1.42.0 and no longer requires an attribute to enable
[INFO] [stderr]  --> src/lib.rs:1:12
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(wait_timeout_until)]
[INFO] [stderr]   |            ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(stable_features)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `std::collections::VecDeque::<T>::split_off` that must be used
[INFO] [stderr]   --> src/buffer.rs:91:13
[INFO] [stderr]    |
[INFO] [stderr] 91 |             buf.0.split_off(after.len());
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: use `.truncate()` if you don't need the other half
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::sync::MutexGuard` in tuple element 0 that must be used
[INFO] [stderr]   --> src/udp.rs:72:17
[INFO] [stderr]    |
[INFO] [stderr] 72 | /                 cond_pushed
[INFO] [stderr] 73 | |                     .wait_timeout(cb_table, ::std::time::Duration::from_secs(timeout as u64))?;
[INFO] [stderr]    | |_______________________________________________________________________________________________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: if unused the Mutex will immediately unlock
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/udp.rs:78:17
[INFO] [stderr]    |
[INFO] [stderr] 78 |                 cond_pushed.wait(cb_table);
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: 6 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 22.52s
[INFO] running `"docker" "inspect" "11e819b391bcfab0843a63095a2ad760429f899eb0a500b5ab6d32d0b9c2a16c"`
[INFO] running `"docker" "rm" "-f" "11e819b391bcfab0843a63095a2ad760429f899eb0a500b5ab6d32d0b9c2a16c"`
[INFO] [stdout] 11e819b391bcfab0843a63095a2ad760429f899eb0a500b5ab6d32d0b9c2a16c
[INFO] running `"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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 7f06810cf8d28d82a5e866f502fbdaad4a1cbd49f6630f5d2db8f09a5be8df8a
[INFO] running `"docker" "start" "-a" "7f06810cf8d28d82a5e866f502fbdaad4a1cbd49f6630f5d2db8f09a5be8df8a"`
[INFO] [stderr]    Compiling microps-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unnecessary braces around assigned value
[INFO] [stderr]    --> src/ethernet.rs:125:20
[INFO] [stderr]     |
[INFO] [stderr] 125 |             addr = { raw.addr()? };
[INFO] [stderr]     |                    ^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_braces)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around `for` iterator expression
[INFO] [stderr]    --> src/udp.rs:109:25
[INFO] [stderr]     |
[INFO] [stderr] 109 |             for port in { SOURCE_PORT_MIN..SOURCE_PORT_MAX } {
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr] 
[INFO] [stderr] warning: the feature `wait_timeout_until` has been stable since 1.42.0 and no longer requires an attribute to enable
[INFO] [stderr]  --> src/lib.rs:1:12
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(wait_timeout_until)]
[INFO] [stderr]   |            ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(stable_features)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `std::collections::VecDeque::<T>::split_off` that must be used
[INFO] [stderr]   --> src/buffer.rs:91:13
[INFO] [stderr]    |
[INFO] [stderr] 91 |             buf.0.split_off(after.len());
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: use `.truncate()` if you don't need the other half
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::sync::MutexGuard` in tuple element 0 that must be used
[INFO] [stderr]   --> src/udp.rs:72:17
[INFO] [stderr]    |
[INFO] [stderr] 72 | /                 cond_pushed
[INFO] [stderr] 73 | |                     .wait_timeout(cb_table, ::std::time::Duration::from_secs(timeout as u64))?;
[INFO] [stderr]    | |_______________________________________________________________________________________________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: if unused the Mutex will immediately unlock
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/udp.rs:78:17
[INFO] [stderr]    |
[INFO] [stderr] 78 |                 cond_pushed.wait(cb_table);
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: 6 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around assigned value
[INFO] [stderr]    --> src/ethernet.rs:125:20
[INFO] [stderr]     |
[INFO] [stderr] 125 |             addr = { raw.addr()? };
[INFO] [stderr]     |                    ^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_braces)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around `for` iterator expression
[INFO] [stderr]    --> src/udp.rs:109:25
[INFO] [stderr]     |
[INFO] [stderr] 109 |             for port in { SOURCE_PORT_MIN..SOURCE_PORT_MAX } {
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr] 
[INFO] [stderr] warning: the feature `wait_timeout_until` has been stable since 1.42.0 and no longer requires an attribute to enable
[INFO] [stderr]  --> src/lib.rs:1:12
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(wait_timeout_until)]
[INFO] [stderr]   |            ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(stable_features)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `std::collections::VecDeque::<T>::split_off` that must be used
[INFO] [stderr]   --> src/buffer.rs:91:13
[INFO] [stderr]    |
[INFO] [stderr] 91 |             buf.0.split_off(after.len());
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: use `.truncate()` if you don't need the other half
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::sync::MutexGuard` in tuple element 0 that must be used
[INFO] [stderr]   --> src/udp.rs:72:17
[INFO] [stderr]    |
[INFO] [stderr] 72 | /                 cond_pushed
[INFO] [stderr] 73 | |                     .wait_timeout(cb_table, ::std::time::Duration::from_secs(timeout as u64))?;
[INFO] [stderr]    | |_______________________________________________________________________________________________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: if unused the Mutex will immediately unlock
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/udp.rs:78:17
[INFO] [stderr]    |
[INFO] [stderr] 78 |                 cond_pushed.wait(cb_table);
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: 6 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 8.05s
[INFO] running `"docker" "inspect" "7f06810cf8d28d82a5e866f502fbdaad4a1cbd49f6630f5d2db8f09a5be8df8a"`
[INFO] running `"docker" "rm" "-f" "7f06810cf8d28d82a5e866f502fbdaad4a1cbd49f6630f5d2db8f09a5be8df8a"`
[INFO] [stdout] 7f06810cf8d28d82a5e866f502fbdaad4a1cbd49f6630f5d2db8f09a5be8df8a
[INFO] running `"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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] f9d145f392421e5a59093d6f496889ea2df6e5e38ba83fcace9d0b09a04bc7fd
[INFO] running `"docker" "start" "-a" "f9d145f392421e5a59093d6f496889ea2df6e5e38ba83fcace9d0b09a04bc7fd"`
[INFO] [stderr] warning: unnecessary braces around assigned value
[INFO] [stderr]    --> src/ethernet.rs:125:20
[INFO] [stderr]     |
[INFO] [stderr] 125 |             addr = { raw.addr()? };
[INFO] [stderr]     |                    ^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_braces)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around `for` iterator expression
[INFO] [stderr]    --> src/udp.rs:109:25
[INFO] [stderr]     |
[INFO] [stderr] 109 |             for port in { SOURCE_PORT_MIN..SOURCE_PORT_MAX } {
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr] 
[INFO] [stderr] warning: the feature `wait_timeout_until` has been stable since 1.42.0 and no longer requires an attribute to enable
[INFO] [stderr]  --> src/lib.rs:1:12
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(wait_timeout_until)]
[INFO] [stderr]   |            ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(stable_features)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `std::collections::VecDeque::<T>::split_off` that must be used
[INFO] [stderr]   --> src/buffer.rs:91:13
[INFO] [stderr]    |
[INFO] [stderr] 91 |             buf.0.split_off(after.len());
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: use `.truncate()` if you don't need the other half
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::sync::MutexGuard` in tuple element 0 that must be used
[INFO] [stderr]   --> src/udp.rs:72:17
[INFO] [stderr]    |
[INFO] [stderr] 72 | /                 cond_pushed
[INFO] [stderr] 73 | |                     .wait_timeout(cb_table, ::std::time::Duration::from_secs(timeout as u64))?;
[INFO] [stderr]    | |_______________________________________________________________________________________________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: if unused the Mutex will immediately unlock
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/udp.rs:78:17
[INFO] [stderr]    |
[INFO] [stderr] 78 |                 cond_pushed.wait(cb_table);
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: 6 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around assigned value
[INFO] [stderr]    --> src/ethernet.rs:125:20
[INFO] [stderr]     |
[INFO] [stderr] 125 |             addr = { raw.addr()? };
[INFO] [stderr]     |                    ^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_braces)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around `for` iterator expression
[INFO] [stderr]    --> src/udp.rs:109:25
[INFO] [stderr]     |
[INFO] [stderr] 109 |             for port in { SOURCE_PORT_MIN..SOURCE_PORT_MAX } {
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr] 
[INFO] [stderr] warning: the feature `wait_timeout_until` has been stable since 1.42.0 and no longer requires an attribute to enable
[INFO] [stderr]  --> src/lib.rs:1:12
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(wait_timeout_until)]
[INFO] [stderr]   |            ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(stable_features)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `std::collections::VecDeque::<T>::split_off` that must be used
[INFO] [stderr]   --> src/buffer.rs:91:13
[INFO] [stderr]    |
[INFO] [stderr] 91 |             buf.0.split_off(after.len());
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: use `.truncate()` if you don't need the other half
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::sync::MutexGuard` in tuple element 0 that must be used
[INFO] [stderr]   --> src/udp.rs:72:17
[INFO] [stderr]    |
[INFO] [stderr] 72 | /                 cond_pushed
[INFO] [stderr] 73 | |                     .wait_timeout(cb_table, ::std::time::Duration::from_secs(timeout as u64))?;
[INFO] [stderr]    | |_______________________________________________________________________________________________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: if unused the Mutex will immediately unlock
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/udp.rs:78:17
[INFO] [stderr]    |
[INFO] [stderr] 78 |                 cond_pushed.wait(cb_table);
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: 6 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.14s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/microps_rs-04ca8626287d2516
[INFO] [stderr]    Doc-tests microps-rs
[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] [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 `"docker" "inspect" "f9d145f392421e5a59093d6f496889ea2df6e5e38ba83fcace9d0b09a04bc7fd"`
[INFO] running `"docker" "rm" "-f" "f9d145f392421e5a59093d6f496889ea2df6e5e38ba83fcace9d0b09a04bc7fd"`
[INFO] [stdout] f9d145f392421e5a59093d6f496889ea2df6e5e38ba83fcace9d0b09a04bc7fd