[INFO] fetching crate varint_bytes 0.1.0...
[INFO] testing varint_bytes-0.1.0 against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210-2
[INFO] extracting crate varint_bytes 0.1.0 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate varint_bytes 0.1.0
[INFO] finished tweaking crates.io crate varint_bytes 0.1.0
[INFO] tweaked toml for crates.io crate varint_bytes 0.1.0 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate varint_bytes 0.1.0 on toolchain dec9417b8611e34e787a3e4c37686b5131f9e5c5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 1 package to latest compatible version
[INFO] [stderr]       Adding bytes v0.6.0 (available: v1.11.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4a904ba22f0eef4969fe0ad23a579325bed41690a8988c35b0b18e0a426757f5
[INFO] running `Command { std: "docker" "start" "-a" "4a904ba22f0eef4969fe0ad23a579325bed41690a8988c35b0b18e0a426757f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4a904ba22f0eef4969fe0ad23a579325bed41690a8988c35b0b18e0a426757f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a904ba22f0eef4969fe0ad23a579325bed41690a8988c35b0b18e0a426757f5", kill_on_drop: false }`
[INFO] [stdout] 4a904ba22f0eef4969fe0ad23a579325bed41690a8988c35b0b18e0a426757f5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 652b0d257544c432ca961e960b17578216ebda2a71cd4c8f878dfe8c979f8c8c
[INFO] running `Command { std: "docker" "start" "-a" "652b0d257544c432ca961e960b17578216ebda2a71cd4c8f878dfe8c979f8c8c", kill_on_drop: false }`
[INFO] [stderr]    Compiling bytes v0.6.0
[INFO] [stderr]    Compiling varint_bytes v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.57s
[INFO] running `Command { std: "docker" "inspect" "652b0d257544c432ca961e960b17578216ebda2a71cd4c8f878dfe8c979f8c8c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "652b0d257544c432ca961e960b17578216ebda2a71cd4c8f878dfe8c979f8c8c", kill_on_drop: false }`
[INFO] [stdout] 652b0d257544c432ca961e960b17578216ebda2a71cd4c8f878dfe8c979f8c8c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9f44a2056154885098f04098e6af0d239e907d705a28dbedde94ef56f301d9cb
[INFO] running `Command { std: "docker" "start" "-a" "9f44a2056154885098f04098e6af0d239e907d705a28dbedde94ef56f301d9cb", kill_on_drop: false }`
[INFO] [stderr]    Compiling varint_bytes v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `InfiniteBuf` is never constructed
[INFO] [stdout]    --> src/lib.rs:195:12
[INFO] [stdout]     |
[INFO] [stdout] 195 |     struct InfiniteBuf { bytes: &'static [u8], bytes_read: usize }
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.58s
[INFO] running `Command { std: "docker" "inspect" "9f44a2056154885098f04098e6af0d239e907d705a28dbedde94ef56f301d9cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9f44a2056154885098f04098e6af0d239e907d705a28dbedde94ef56f301d9cb", kill_on_drop: false }`
[INFO] [stdout] 9f44a2056154885098f04098e6af0d239e907d705a28dbedde94ef56f301d9cb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d649d6c5d0c8541f9d76317be621ddeb0bcb47eba08723649936b9eea01fa67b
[INFO] running `Command { std: "docker" "start" "-a" "d649d6c5d0c8541f9d76317be621ddeb0bcb47eba08723649936b9eea01fa67b", kill_on_drop: false }`
[INFO] [stderr] warning: struct `InfiniteBuf` is never constructed
[INFO] [stdout] 
[INFO] [stderr]    --> src/lib.rs:195:12
[INFO] [stdout] running 5 tests
[INFO] [stderr]     |
[INFO] [stdout] test test::dos_resistant ... ok
[INFO] [stderr] 195 |     struct InfiniteBuf { bytes: &'static [u8], bytes_read: usize }
[INFO] [stdout] test test::get_unsigned_ints ... ok
[INFO] [stderr]     |            ^^^^^^^^^^^
[INFO] [stdout] test test::put_unsigned_ints ... ok
[INFO] [stderr]     |
[INFO] [stdout] test test::reads_lazily ... ok
[INFO] [stderr]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] test test::zigzag ... ok
[INFO] [stderr] 
[INFO] [stdout] 
[INFO] [stderr] warning: `varint_bytes` (lib test) generated 1 warning
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/varint_bytes-7704aa3425ac8be5)
[INFO] [stderr]    Doc-tests varint_bytes
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/lib.rs - PutVarInt::put_varint (line 48) ... ok
[INFO] [stdout] test src/lib.rs - (line 6) ... ok
[INFO] [stdout] test src/lib.rs - GetVarInt::get_varint (line 34) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.52s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "d649d6c5d0c8541f9d76317be621ddeb0bcb47eba08723649936b9eea01fa67b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d649d6c5d0c8541f9d76317be621ddeb0bcb47eba08723649936b9eea01fa67b", kill_on_drop: false }`
[INFO] [stdout] d649d6c5d0c8541f9d76317be621ddeb0bcb47eba08723649936b9eea01fa67b