[INFO] crate gox 0.2.0 is already in cache
[INFO] testing gox-0.2.0 against 1.45.2 for beta-1.46-1
[INFO] extracting crate gox 0.2.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate gox 0.2.0 on toolchain 1.45.2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate gox 0.2.0
[INFO] finished tweaking crates.io crate gox 0.2.0
[INFO] tweaked toml for crates.io crate gox 0.2.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate crates.io crate gox 0.2.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8336e452837a6fe6dc0b76428739419c85d7b4e4d46df4b900cd690cc489f970
[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" "8336e452837a6fe6dc0b76428739419c85d7b4e4d46df4b900cd690cc489f970", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8336e452837a6fe6dc0b76428739419c85d7b4e4d46df4b900cd690cc489f970", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8336e452837a6fe6dc0b76428739419c85d7b4e4d46df4b900cd690cc489f970", kill_on_drop: false }`
[INFO] [stdout] 8336e452837a6fe6dc0b76428739419c85d7b4e4d46df4b900cd690cc489f970
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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=warn" "-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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a8d867925cf575c934c7672f4bc8174f219e8e0fc26ce1b2d74a37b711cdebfc
[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" "a8d867925cf575c934c7672f4bc8174f219e8e0fc26ce1b2d74a37b711cdebfc", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.10
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling num-iter v0.1.39
[INFO] [stderr]    Compiling png v0.13.2
[INFO] [stderr]    Compiling gox v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/utils.rs:138:5
[INFO] [stdout]     |
[INFO] [stdout] 138 |     (buffer[0] << 0)
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> src/lib.rs:10:9
[INFO] [stdout]     |
[INFO] [stdout] 10  | #![deny(unused)]
[INFO] [stdout]     |         ^^^^^^
[INFO] [stdout]     = note: `#[warn(unused_parens)]` implied by `#[warn(unused)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.56s
[INFO] running `Command { std: "docker" "inspect" "a8d867925cf575c934c7672f4bc8174f219e8e0fc26ce1b2d74a37b711cdebfc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a8d867925cf575c934c7672f4bc8174f219e8e0fc26ce1b2d74a37b711cdebfc", kill_on_drop: false }`
[INFO] [stdout] a8d867925cf575c934c7672f4bc8174f219e8e0fc26ce1b2d74a37b711cdebfc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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=warn" "-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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7bb8a275a642423db347a26460f7ba5976758332cfbd686cde6cf4dadf30e076
[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" "7bb8a275a642423db347a26460f7ba5976758332cfbd686cde6cf4dadf30e076", kill_on_drop: false }`
[INFO] [stderr]    Compiling gox v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/utils.rs:138:5
[INFO] [stdout]     |
[INFO] [stdout] 138 |     (buffer[0] << 0)
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> src/lib.rs:10:9
[INFO] [stdout]     |
[INFO] [stdout] 10  | #![deny(unused)]
[INFO] [stdout]     |         ^^^^^^
[INFO] [stdout]     = note: `#[warn(unused_parens)]` implied by `#[warn(unused)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/utils.rs:138:5
[INFO] [stdout]     |
[INFO] [stdout] 138 |     (buffer[0] << 0)
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> src/lib.rs:10:9
[INFO] [stdout]     |
[INFO] [stdout] 10  | #![deny(unused)]
[INFO] [stdout]     |         ^^^^^^
[INFO] [stdout]     = note: `#[warn(unused_parens)]` implied by `#[warn(unused)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.69s
[INFO] running `Command { std: "docker" "inspect" "7bb8a275a642423db347a26460f7ba5976758332cfbd686cde6cf4dadf30e076", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7bb8a275a642423db347a26460f7ba5976758332cfbd686cde6cf4dadf30e076", kill_on_drop: false }`
[INFO] [stdout] 7bb8a275a642423db347a26460f7ba5976758332cfbd686cde6cf4dadf30e076
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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=warn" "-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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 43ef9b6aa790f7c6d05e9df128fb9d6e05c55f1096fc8ff62c4b71159db3e5f4
[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" "43ef9b6aa790f7c6d05e9df128fb9d6e05c55f1096fc8ff62c4b71159db3e5f4", kill_on_drop: false }`
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]    --> src/utils.rs:138:5
[INFO] [stderr]     |
[INFO] [stderr] 138 |     (buffer[0] << 0)
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] note: the lint level is defined here
[INFO] [stderr]    --> src/lib.rs:10:9
[INFO] [stderr]     |
[INFO] [stderr] 10  | #![deny(unused)]
[INFO] [stderr]     |         ^^^^^^
[INFO] [stderr]     = note: `#[warn(unused_parens)]` implied by `#[warn(unused)]`
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]    --> src/utils.rs:138:5
[INFO] [stderr]     |
[INFO] [stderr] 138 |     (buffer[0] << 0)
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] note: the lint level is defined here
[INFO] [stderr]    --> src/lib.rs:10:9
[INFO] [stderr]     |
[INFO] [stderr] 10  | #![deny(unused)]
[INFO] [stderr]     |         ^^^^^^
[INFO] [stderr]     = note: `#[warn(unused_parens)]` implied by `#[warn(unused)]`
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/gox-6737bf90a32da124
[INFO] [stdout] running 0 tests
[INFO] [stderr]    Doc-tests gox
[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 `Command { std: "docker" "inspect" "43ef9b6aa790f7c6d05e9df128fb9d6e05c55f1096fc8ff62c4b71159db3e5f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "43ef9b6aa790f7c6d05e9df128fb9d6e05c55f1096fc8ff62c4b71159db3e5f4", kill_on_drop: false }`
[INFO] [stdout] 43ef9b6aa790f7c6d05e9df128fb9d6e05c55f1096fc8ff62c4b71159db3e5f4