[INFO] fetching crate rng 0.1.0...
[INFO] testing rng-0.1.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate rng 0.1.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate rng 0.1.0 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 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-1/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-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] [stdout] cedd9b7f629faaa683f9bb997e555a4b7619db3c6efe22984015dad3da0eaa16
[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" "cedd9b7f629faaa683f9bb997e555a4b7619db3c6efe22984015dad3da0eaa16", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cedd9b7f629faaa683f9bb997e555a4b7619db3c6efe22984015dad3da0eaa16", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cedd9b7f629faaa683f9bb997e555a4b7619db3c6efe22984015dad3da0eaa16", kill_on_drop: false }`
[INFO] [stdout] cedd9b7f629faaa683f9bb997e555a4b7619db3c6efe22984015dad3da0eaa16
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 156b952a27765d6ab9a8dad7347d98660eaccbd6a158fb3144677857c4f8dbdf
[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" "156b952a27765d6ab9a8dad7347d98660eaccbd6a158fb3144677857c4f8dbdf", 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 0.65s
[INFO] running `Command { std: "docker" "inspect" "156b952a27765d6ab9a8dad7347d98660eaccbd6a158fb3144677857c4f8dbdf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "156b952a27765d6ab9a8dad7347d98660eaccbd6a158fb3144677857c4f8dbdf", kill_on_drop: false }`
[INFO] [stdout] 156b952a27765d6ab9a8dad7347d98660eaccbd6a158fb3144677857c4f8dbdf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 054291ff30302cc79143a6d2bfc799d0cbd1fb3a131a88359a9ab0cf9c22e5fd
[INFO] running `Command { std: "docker" "start" "-a" "054291ff30302cc79143a6d2bfc799d0cbd1fb3a131a88359a9ab0cf9c22e5fd", kill_on_drop: false }`
[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]    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 test [unoptimized + debuginfo] target(s) in 0.59s
[INFO] running `Command { std: "docker" "inspect" "054291ff30302cc79143a6d2bfc799d0cbd1fb3a131a88359a9ab0cf9c22e5fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "054291ff30302cc79143a6d2bfc799d0cbd1fb3a131a88359a9ab0cf9c22e5fd", kill_on_drop: false }`
[INFO] [stdout] 054291ff30302cc79143a6d2bfc799d0cbd1fb3a131a88359a9ab0cf9c22e5fd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 1d2c1272003207ef3bd40bf03a3d23b4e966dcad0225a333a593839e1dedbe20
[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" "1d2c1272003207ef3bd40bf03a3d23b4e966dcad0225a333a593839e1dedbe20", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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: 1 warning emitted
[INFO] [stderr] 
[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: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.26s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rng-6433037047d9e663
[INFO] [stdout] running 0 tests
[INFO] [stderr]    Doc-tests rng
[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" "1d2c1272003207ef3bd40bf03a3d23b4e966dcad0225a333a593839e1dedbe20", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d2c1272003207ef3bd40bf03a3d23b4e966dcad0225a333a593839e1dedbe20", kill_on_drop: false }`
[INFO] [stdout] 1d2c1272003207ef3bd40bf03a3d23b4e966dcad0225a333a593839e1dedbe20