[INFO] fetching crate rng 0.1.0...
[INFO] testing rng-0.1.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate rng 0.1.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate rng 0.1.0 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rng 0.1.0
[INFO] finished tweaking crates.io crate rng 0.1.0
[INFO] tweaked toml for crates.io crate rng 0.1.0 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 51402de6e558f86633642f9c00f72a50cef8b1e75dc559b368beb1b03aa17a58
[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" "51402de6e558f86633642f9c00f72a50cef8b1e75dc559b368beb1b03aa17a58", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "51402de6e558f86633642f9c00f72a50cef8b1e75dc559b368beb1b03aa17a58", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "51402de6e558f86633642f9c00f72a50cef8b1e75dc559b368beb1b03aa17a58", kill_on_drop: false }`
[INFO] [stdout] 51402de6e558f86633642f9c00f72a50cef8b1e75dc559b368beb1b03aa17a58
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 50752d11e41a2c0fff54fde73b98eb719ceea79b20c727084c857e4fcf3b5dfe
[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" "50752d11e41a2c0fff54fde73b98eb719ceea79b20c727084c857e4fcf3b5dfe", kill_on_drop: false }`
[INFO] [stderr]    Compiling rng v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `transmute`
[INFO] [stdout]  --> src/xorshift.rs:4:16
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::mem::{transmute};
[INFO] [stdout]   |                ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` 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 0.69s
[INFO] running `Command { std: "docker" "inspect" "50752d11e41a2c0fff54fde73b98eb719ceea79b20c727084c857e4fcf3b5dfe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "50752d11e41a2c0fff54fde73b98eb719ceea79b20c727084c857e4fcf3b5dfe", kill_on_drop: false }`
[INFO] [stdout] 50752d11e41a2c0fff54fde73b98eb719ceea79b20c727084c857e4fcf3b5dfe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5b5ab607d733c7dc51e5a3325a7c625892e224b616b48eb98fa31f0294bb5013
[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" "5b5ab607d733c7dc51e5a3325a7c625892e224b616b48eb98fa31f0294bb5013", kill_on_drop: false }`
[INFO] [stderr]    Compiling rng v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `transmute`
[INFO] [stdout]  --> src/xorshift.rs:4:16
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::mem::{transmute};
[INFO] [stdout]   |                ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `transmute`
[INFO] [stdout]  --> src/xorshift.rs:4:16
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::mem::{transmute};
[INFO] [stdout]   |                ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.34s
[INFO] running `Command { std: "docker" "inspect" "5b5ab607d733c7dc51e5a3325a7c625892e224b616b48eb98fa31f0294bb5013", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5b5ab607d733c7dc51e5a3325a7c625892e224b616b48eb98fa31f0294bb5013", kill_on_drop: false }`
[INFO] [stdout] 5b5ab607d733c7dc51e5a3325a7c625892e224b616b48eb98fa31f0294bb5013
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 55778e81836cb0794dfadf3a526720c959a470ec984e1a8fffdf1e854c6042f4
[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" "55778e81836cb0794dfadf3a526720c959a470ec984e1a8fffdf1e854c6042f4", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `transmute`
[INFO] [stderr]  --> src/xorshift.rs:4:16
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::mem::{transmute};
[INFO] [stderr]   |                ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `rng` (lib) generated 1 warning
[INFO] [stderr] warning: `rng` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rng-056f6bcfcf43ee8d)
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests rng
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "55778e81836cb0794dfadf3a526720c959a470ec984e1a8fffdf1e854c6042f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "55778e81836cb0794dfadf3a526720c959a470ec984e1a8fffdf1e854c6042f4", kill_on_drop: false }`
[INFO] [stdout] 55778e81836cb0794dfadf3a526720c959a470ec984e1a8fffdf1e854c6042f4