[INFO] fetching crate varu64 0.7.0...
[INFO] testing varu64-0.7.0 against master#562dee4820c458d823175268e41601d4c060588a for pr-154210-1
[INFO] extracting crate varu64 0.7.0 into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate varu64 0.7.0
[INFO] finished tweaking crates.io crate varu64 0.7.0
[INFO] tweaked toml for crates.io crate varu64 0.7.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate varu64 0.7.0 on toolchain 562dee4820c458d823175268e41601d4c060588a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 34 packages to latest compatible versions
[INFO] [stderr]       Adding quickcheck v0.7.2 (available: v1.1.0)
[INFO] [stderr]       Adding snafu v0.6.10 (available: v0.9.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rand_core v0.2.2
[INFO] [stderr]   Downloaded snafu v0.6.10
[INFO] [stderr]   Downloaded env_logger v0.5.13
[INFO] [stderr]   Downloaded quickcheck v0.7.2
[INFO] [stderr]   Downloaded snafu-derive v0.6.10
[INFO] [stderr]   Downloaded rand v0.5.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ce45002cfeb459e12789e9f13013cfb3159931d950b671caf977c5c3a29add35
[INFO] running `Command { std: "docker" "start" "-a" "ce45002cfeb459e12789e9f13013cfb3159931d950b671caf977c5c3a29add35", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ce45002cfeb459e12789e9f13013cfb3159931d950b671caf977c5c3a29add35", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce45002cfeb459e12789e9f13013cfb3159931d950b671caf977c5c3a29add35", kill_on_drop: false }`
[INFO] [stdout] ce45002cfeb459e12789e9f13013cfb3159931d950b671caf977c5c3a29add35
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9ee5bc9eecb451caccf1a3dfc3c67258580f88b005568c5ee7deea2593d9190a
[INFO] running `Command { std: "docker" "start" "-a" "9ee5bc9eecb451caccf1a3dfc3c67258580f88b005568c5ee7deea2593d9190a", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling doc-comment v0.3.4
[INFO] [stderr]    Compiling snafu-derive v0.6.10
[INFO] [stderr]    Compiling snafu v0.6.10
[INFO] [stderr]    Compiling varu64 v0.7.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary transmute
[INFO] [stdout]    --> src/lib.rs:140:35
[INFO] [stdout]     |
[INFO] [stdout] 140 |     let bytes: [u8; 8] = unsafe { core::mem::transmute(u64::to_be(n)) };
[INFO] [stdout]     |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: there's also `to_le_bytes` and `to_be_bytes` if you expect a particular byte order
[INFO] [stdout]     = note: `#[warn(unnecessary_transmutes)]` on by default
[INFO] [stdout] help: replace this with
[INFO] [stdout]     |
[INFO] [stdout] 140 -     let bytes: [u8; 8] = unsafe { core::mem::transmute(u64::to_be(n)) };
[INFO] [stdout] 140 +     let bytes: [u8; 8] = unsafe { u64::to_ne_bytes(u64::to_be(n)) };
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.21s
[INFO] running `Command { std: "docker" "inspect" "9ee5bc9eecb451caccf1a3dfc3c67258580f88b005568c5ee7deea2593d9190a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9ee5bc9eecb451caccf1a3dfc3c67258580f88b005568c5ee7deea2593d9190a", kill_on_drop: false }`
[INFO] [stdout] 9ee5bc9eecb451caccf1a3dfc3c67258580f88b005568c5ee7deea2593d9190a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 009a91ad83e80947f838c05a86c4e53b2efce4ce43bd17cdffc13f27d87253d1
[INFO] running `Command { std: "docker" "start" "-a" "009a91ad83e80947f838c05a86c4e53b2efce4ce43bd17cdffc13f27d87253d1", kill_on_drop: false }`
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling humantime v1.3.0
[INFO] [stderr]    Compiling termcolor v1.4.1
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stdout] warning: unnecessary transmute
[INFO] [stdout]    --> src/lib.rs:140:35
[INFO] [stdout]     |
[INFO] [stdout] 140 |     let bytes: [u8; 8] = unsafe { core::mem::transmute(u64::to_be(n)) };
[INFO] [stdout]     |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: there's also `to_le_bytes` and `to_be_bytes` if you expect a particular byte order
[INFO] [stdout]     = note: `#[warn(unnecessary_transmutes)]` on by default
[INFO] [stdout] help: replace this with
[INFO] [stdout]     |
[INFO] [stdout] 140 -     let bytes: [u8; 8] = unsafe { core::mem::transmute(u64::to_be(n)) };
[INFO] [stdout] 140 +     let bytes: [u8; 8] = unsafe { u64::to_ne_bytes(u64::to_be(n)) };
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling env_logger v0.5.13
[INFO] [stderr]    Compiling rand_core v0.2.2
[INFO] [stderr]    Compiling rand v0.5.6
[INFO] [stderr]    Compiling quickcheck v0.7.2
[INFO] [stderr]    Compiling varu64 v0.7.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary transmute
[INFO] [stdout]    --> src/lib.rs:140:35
[INFO] [stdout]     |
[INFO] [stdout] 140 |     let bytes: [u8; 8] = unsafe { core::mem::transmute(u64::to_be(n)) };
[INFO] [stdout]     |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: there's also `to_le_bytes` and `to_be_bytes` if you expect a particular byte order
[INFO] [stdout]     = note: `#[warn(unnecessary_transmutes)]` on by default
[INFO] [stdout] help: replace this with
[INFO] [stdout]     |
[INFO] [stdout] 140 -     let bytes: [u8; 8] = unsafe { core::mem::transmute(u64::to_be(n)) };
[INFO] [stdout] 140 +     let bytes: [u8; 8] = unsafe { u64::to_ne_bytes(u64::to_be(n)) };
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 5.46s
[INFO] running `Command { std: "docker" "inspect" "009a91ad83e80947f838c05a86c4e53b2efce4ce43bd17cdffc13f27d87253d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "009a91ad83e80947f838c05a86c4e53b2efce4ce43bd17cdffc13f27d87253d1", kill_on_drop: false }`
[INFO] [stdout] 009a91ad83e80947f838c05a86c4e53b2efce4ce43bd17cdffc13f27d87253d1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 159d424ffa4abbc24350b2f3c0916d13979775bd7013dbb5680c243d8f202270
[INFO] running `Command { std: "docker" "start" "-a" "159d424ffa4abbc24350b2f3c0916d13979775bd7013dbb5680c243d8f202270", kill_on_drop: false }`
[INFO] [stderr] warning: unnecessary transmute
[INFO] [stderr]    --> src/lib.rs:140:35
[INFO] [stderr]     |
[INFO] [stderr] 140 |     let bytes: [u8; 8] = unsafe { core::mem::transmute(u64::to_be(n)) };
[INFO] [stderr]     |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: there's also `to_le_bytes` and `to_be_bytes` if you expect a particular byte order
[INFO] [stderr]     = note: `#[warn(unnecessary_transmutes)]` on by default
[INFO] [stderr] help: replace this with
[INFO] [stderr]     |
[INFO] [stderr] 140 -     let bytes: [u8; 8] = unsafe { core::mem::transmute(u64::to_be(n)) };
[INFO] [stderr] 140 +     let bytes: [u8; 8] = unsafe { u64::to_ne_bytes(u64::to_be(n)) };
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: `varu64` (lib) generated 1 warning (run `cargo fix --lib -p varu64` to apply 1 suggestion)
[INFO] [stderr] warning: `varu64` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/varu64-68eb1dcbfce70bae)
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test tests::encode_decode_non_zero_u64 ... ok
[INFO] [stdout] test nb::tests::test_encoder ... ok
[INFO] [stdout] test tests::decode_non_zero_u64_no_panic_with_too_large_encoded_value ... ok
[INFO] [stdout] test tests::fixtures ... ok
[INFO] [stdout] test nb::tests::test_decoder ... ok
[INFO] [stdout] test nb::tests::test_length_value_encoder ... ok
[INFO] [stdout] test nb::tests::test_length_value_decoder ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests varu64
[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" "159d424ffa4abbc24350b2f3c0916d13979775bd7013dbb5680c243d8f202270", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "159d424ffa4abbc24350b2f3c0916d13979775bd7013dbb5680c243d8f202270", kill_on_drop: false }`
[INFO] [stdout] 159d424ffa4abbc24350b2f3c0916d13979775bd7013dbb5680c243d8f202270