[INFO] fetching crate torro 0.0.0-pre.1...
[INFO] testing torro-0.0.0-pre.1 against 1.55.0 for beta-1.56-1
[INFO] extracting crate torro 0.0.0-pre.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate torro 0.0.0-pre.1 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 torro 0.0.0-pre.1
[INFO] finished tweaking crates.io crate torro 0.0.0-pre.1
[INFO] tweaked toml for crates.io crate torro 0.0.0-pre.1 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate torro 0.0.0-pre.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 4a2cb39506af1fd0463784a8b3482a61ce8b5ffc7de8e22054c2ebcc21140fac
[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" "4a2cb39506af1fd0463784a8b3482a61ce8b5ffc7de8e22054c2ebcc21140fac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4a2cb39506af1fd0463784a8b3482a61ce8b5ffc7de8e22054c2ebcc21140fac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a2cb39506af1fd0463784a8b3482a61ce8b5ffc7de8e22054c2ebcc21140fac", kill_on_drop: false }`
[INFO] [stdout] 4a2cb39506af1fd0463784a8b3482a61ce8b5ffc7de8e22054c2ebcc21140fac
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] ffb7ba9327bf4cd763583639f96654dd94331474ae14c16c3e734a00eac0c75b
[INFO] running `Command { std: "docker" "start" "-a" "ffb7ba9327bf4cd763583639f96654dd94331474ae14c16c3e734a00eac0c75b", kill_on_drop: false }`
[INFO] [stderr]    Compiling torro v0.0.0-pre.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `randish`
[INFO] [stdout]   --> src/utils.rs:18:8
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub fn randish() -> u128 {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `generate_torro_id`
[INFO] [stdout]   --> src/utils.rs:34:8
[INFO] [stdout]    |
[INFO] [stdout] 34 | pub fn generate_torro_id() -> String {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.50s
[INFO] running `Command { std: "docker" "inspect" "ffb7ba9327bf4cd763583639f96654dd94331474ae14c16c3e734a00eac0c75b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ffb7ba9327bf4cd763583639f96654dd94331474ae14c16c3e734a00eac0c75b", kill_on_drop: false }`
[INFO] [stdout] ffb7ba9327bf4cd763583639f96654dd94331474ae14c16c3e734a00eac0c75b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 37f07735066d7fa0e3a1cf3657f154d5473263dd944770ff98af060dcb22ade6
[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" "37f07735066d7fa0e3a1cf3657f154d5473263dd944770ff98af060dcb22ade6", kill_on_drop: false }`
[INFO] [stdout] warning: function is never used: `randish`
[INFO] [stdout]   --> src/utils.rs:18:8
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub fn randish() -> u128 {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling torro v0.0.0-pre.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `generate_torro_id`
[INFO] [stdout]   --> src/utils.rs:34:8
[INFO] [stdout]    |
[INFO] [stdout] 34 | pub fn generate_torro_id() -> String {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.43s
[INFO] running `Command { std: "docker" "inspect" "37f07735066d7fa0e3a1cf3657f154d5473263dd944770ff98af060dcb22ade6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "37f07735066d7fa0e3a1cf3657f154d5473263dd944770ff98af060dcb22ade6", kill_on_drop: false }`
[INFO] [stdout] 37f07735066d7fa0e3a1cf3657f154d5473263dd944770ff98af060dcb22ade6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 916eaf36f7d1ddbe0fb14ff4455986d91435b4ca384cd8e5e2add2a36d1bbf8e
[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" "916eaf36f7d1ddbe0fb14ff4455986d91435b4ca384cd8e5e2add2a36d1bbf8e", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: function is never used: `randish`
[INFO] [stdout] running 19 tests
[INFO] [stderr]   --> src/utils.rs:18:8
[INFO] [stdout] test bencode::tests::correct_end_mark ... ok
[INFO] [stderr]    |
[INFO] [stdout] test bencode::tests::bytestring ... ok
[INFO] [stderr] 18 | pub fn randish() -> u128 {
[INFO] [stdout] test bencode::tests::dicts ... ok
[INFO] [stderr]    |        ^^^^^^^
[INFO] [stdout] test torrent::impl_bencode::tests::path_file_element_badtype ... ok
[INFO] [stderr]    |
[INFO] [stdout] test torrent::impl_bencode::tests::piece_badtype ... ok
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] test torrent::impl_bencode::tests::missing_torrent_types ... ok
[INFO] [stderr] 
[INFO] [stdout] test torrent::impl_bencode::tests::length_file_element_badtype ... ok
[INFO] [stderr] warning: function is never used: `generate_torro_id`
[INFO] [stdout] test torrent::impl_bencode::tests::info_badtype ... ok
[INFO] [stderr]   --> src/utils.rs:34:8
[INFO] [stderr]    |
[INFO] [stderr] 34 | pub fn generate_torro_id() -> String {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `torro` (lib) generated 2 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/torro-27fcf97a37b28b38)
[INFO] [stdout] test torrent::impl_bencode::tests::pieces_badtype ... ok
[INFO] [stdout] test bencode::tests::badf_dicts ... ok
[INFO] [stdout] test bencode::tests::lists ... ok
[INFO] [stdout] test torrent::impl_bencode::tests::name_badtype ... ok
[INFO] [stdout] test torrent::impl_bencode::tests::torrent_new_err ... ok
[INFO] [stdout] test torrent::impl_bencode::tests::announce_badtype ... ok
[INFO] [stdout] test bencode::tests::integers ... ok
[INFO] [stdout] test torrent::impl_bencode::tests::file_element_badtype ... ok
[INFO] [stdout] test torrent::impl_bencode::tests::files_badtype ... ok
[INFO] [stdout] test utils::tests::check_torro_id ... ok
[INFO] [stderr]      Running tests/bencoded_torrents.rs (/opt/rustwide/target/debug/deps/bencoded_torrents-7a29c5ac8efbb4ac)
[INFO] [stdout] test utils::tests::xorshift128_nodupe ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 19 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.16s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stderr]      Running tests/torrent_new_read.rs (/opt/rustwide/target/debug/deps/torrent_new_read-3b10ec643d7ba06c)
[INFO] [stdout] test ubuntu_20_04_torrent ... ok
[INFO] [stdout] test tails_4_10_torrent ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test torrent_from_tinytorrent ... ok
[INFO] [stdout] test torrent_from_ubuntu ... ok
[INFO] [stdout] test torrent_from_tails ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests torro
[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" "916eaf36f7d1ddbe0fb14ff4455986d91435b4ca384cd8e5e2add2a36d1bbf8e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "916eaf36f7d1ddbe0fb14ff4455986d91435b4ca384cd8e5e2add2a36d1bbf8e", kill_on_drop: false }`
[INFO] [stdout] 916eaf36f7d1ddbe0fb14ff4455986d91435b4ca384cd8e5e2add2a36d1bbf8e