[INFO] fetching crate bencoders 0.1.0...
[INFO] testing bencoders-0.1.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate bencoders 0.1.0 into /workspace/builds/worker-98/source
[INFO] validating manifest of crates.io crate bencoders 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 bencoders 0.1.0
[INFO] finished tweaking crates.io crate bencoders 0.1.0
[INFO] tweaked toml for crates.io crate bencoders 0.1.0 written to /workspace/builds/worker-98/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] [stderr]     Blocking waiting for file lock on package cache
[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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-98/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-98/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] 6a3009da0cb74b80a087d0764957bf42e850338776843ae658bbb23792e091e6
[INFO] running `Command { std: "docker" "start" "-a" "6a3009da0cb74b80a087d0764957bf42e850338776843ae658bbb23792e091e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6a3009da0cb74b80a087d0764957bf42e850338776843ae658bbb23792e091e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a3009da0cb74b80a087d0764957bf42e850338776843ae658bbb23792e091e6", kill_on_drop: false }`
[INFO] [stdout] 6a3009da0cb74b80a087d0764957bf42e850338776843ae658bbb23792e091e6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-98/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-98/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] bda114e1131e1bf3b18560511a1fc8528afda850a720bfbee1bde86e4121749a
[INFO] running `Command { std: "docker" "start" "-a" "bda114e1131e1bf3b18560511a1fc8528afda850a720bfbee1bde86e4121749a", kill_on_drop: false }`
[INFO] [stderr]    Compiling nom v0.3.11
[INFO] [stderr]    Compiling bencoders v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/lib.rs:19:14
[INFO] [stdout]    |
[INFO] [stdout] 19 | named!(bytes<(Vec<u8>)>,
[INFO] [stdout]    |              ^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/lib.rs:51:13
[INFO] [stdout]    |
[INFO] [stdout] 51 | named!(list<(Vec<Bencode>)>,
[INFO] [stdout]    |             ^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/lib.rs:60:13
[INFO] [stdout]    |
[INFO] [stdout] 60 | named!(dict<(HashMap<Vec<u8>, Bencode>)>,
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.44s
[INFO] running `Command { std: "docker" "inspect" "bda114e1131e1bf3b18560511a1fc8528afda850a720bfbee1bde86e4121749a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bda114e1131e1bf3b18560511a1fc8528afda850a720bfbee1bde86e4121749a", kill_on_drop: false }`
[INFO] [stdout] bda114e1131e1bf3b18560511a1fc8528afda850a720bfbee1bde86e4121749a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-98/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-98/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] cce6138dedf7aa22609d2e841b4d81f814f92ed89f74a85889899cb00190e0f8
[INFO] running `Command { std: "docker" "start" "-a" "cce6138dedf7aa22609d2e841b4d81f814f92ed89f74a85889899cb00190e0f8", kill_on_drop: false }`
[INFO] [stderr]    Compiling bencoders v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/lib.rs:19:14
[INFO] [stdout]    |
[INFO] [stdout] 19 | named!(bytes<(Vec<u8>)>,
[INFO] [stdout]    |              ^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/lib.rs:51:13
[INFO] [stdout]    |
[INFO] [stdout] 51 | named!(list<(Vec<Bencode>)>,
[INFO] [stdout]    |             ^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/lib.rs:60:13
[INFO] [stdout]    |
[INFO] [stdout] 60 | named!(dict<(HashMap<Vec<u8>, Bencode>)>,
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/lib.rs:19:14
[INFO] [stdout]    |
[INFO] [stdout] 19 | named!(bytes<(Vec<u8>)>,
[INFO] [stdout]    |              ^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/lib.rs:51:13
[INFO] [stdout]    |
[INFO] [stdout] 51 | named!(list<(Vec<Bencode>)>,
[INFO] [stdout]    |             ^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/lib.rs:60:13
[INFO] [stdout]    |
[INFO] [stdout] 60 | named!(dict<(HashMap<Vec<u8>, Bencode>)>,
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.58s
[INFO] running `Command { std: "docker" "inspect" "cce6138dedf7aa22609d2e841b4d81f814f92ed89f74a85889899cb00190e0f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cce6138dedf7aa22609d2e841b4d81f814f92ed89f74a85889899cb00190e0f8", kill_on_drop: false }`
[INFO] [stdout] cce6138dedf7aa22609d2e841b4d81f814f92ed89f74a85889899cb00190e0f8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-98/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-98/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] 117ef0b53bf369eb9281366d7178667d35087882bbcdf37ad5120f2e32ac2e16
[INFO] running `Command { std: "docker" "start" "-a" "117ef0b53bf369eb9281366d7178667d35087882bbcdf37ad5120f2e32ac2e16", kill_on_drop: false }`
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> src/lib.rs:19:14
[INFO] [stderr]    |
[INFO] [stderr] 19 | named!(bytes<(Vec<u8>)>,
[INFO] [stderr]    |              ^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> src/lib.rs:51:13
[INFO] [stderr]    |
[INFO] [stderr] 51 | named!(list<(Vec<Bencode>)>,
[INFO] [stderr]    |             ^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> src/lib.rs:60:13
[INFO] [stderr]    |
[INFO] [stderr] 60 | named!(dict<(HashMap<Vec<u8>, Bencode>)>,
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: `bencoders` (lib) generated 3 warnings
[INFO] [stderr] warning: `bencoders` (lib test) generated 3 warnings (3 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/bencoders-290fc6aaad407ff2)
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test tests::decode_bytes ... ok
[INFO] [stdout] test tests::decode_dict ... ok
[INFO] [stdout] test tests::decode_empty_dict ... ok
[INFO] [stdout] test tests::decode_empty_list ... ok
[INFO] [stdout] test tests::decode_list ... ok
[INFO] [stdout] test tests::decode_negative_int ... ok
[INFO] [stdout] test tests::decode_positive_int ... ok
[INFO] [stdout] test tests::decode_zero_bytes ... ok
[INFO] [stdout] test tests::decode_zero_int ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests bencoders
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> /opt/rustwide/workdir/src/lib.rs:19:14
[INFO] [stderr]    |
[INFO] [stderr] 19 | named!(bytes<(Vec<u8>)>,
[INFO] [stderr]    |              ^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> /opt/rustwide/workdir/src/lib.rs:51:13
[INFO] [stderr]    |
[INFO] [stderr] 51 | named!(list<(Vec<Bencode>)>,
[INFO] [stderr]    |             ^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> /opt/rustwide/workdir/src/lib.rs:60:13
[INFO] [stderr]    |
[INFO] [stderr] 60 | named!(dict<(HashMap<Vec<u8>, Bencode>)>,
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[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" "117ef0b53bf369eb9281366d7178667d35087882bbcdf37ad5120f2e32ac2e16", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "117ef0b53bf369eb9281366d7178667d35087882bbcdf37ad5120f2e32ac2e16", kill_on_drop: false }`
[INFO] [stdout] 117ef0b53bf369eb9281366d7178667d35087882bbcdf37ad5120f2e32ac2e16