[INFO] fetching crate serde_bencoded 0.3.1...
[INFO] testing serde_bencoded-0.3.1 against try#ecabaf78506b7a4668d42dc20268c086b93f0fad for pr-87041
[INFO] extracting crate serde_bencoded 0.3.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate serde_bencoded 0.3.1 on toolchain ecabaf78506b7a4668d42dc20268c086b93f0fad
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate serde_bencoded 0.3.1
[INFO] finished tweaking crates.io crate serde_bencoded 0.3.1
[INFO] tweaked toml for crates.io crate serde_bencoded 0.3.1 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate serde_bencoded 0.3.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded btoi v0.4.2
[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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 66d444ab22759e73b779b81f60a6d70752e91e654561368ea71014024ef609cb
[INFO] running `Command { std: "docker" "start" "-a" "66d444ab22759e73b779b81f60a6d70752e91e654561368ea71014024ef609cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "66d444ab22759e73b779b81f60a6d70752e91e654561368ea71014024ef609cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "66d444ab22759e73b779b81f60a6d70752e91e654561368ea71014024ef609cb", kill_on_drop: false }`
[INFO] [stdout] 66d444ab22759e73b779b81f60a6d70752e91e654561368ea71014024ef609cb
[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=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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 63032b2c4c15cb6a21618fb7af5895a31b383873e4be89735da8ebf5c8511399
[INFO] running `Command { std: "docker" "start" "-a" "63032b2c4c15cb6a21618fb7af5895a31b383873e4be89735da8ebf5c8511399", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling btoi v0.4.2
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling serde_bencoded v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 18.23s
[INFO] running `Command { std: "docker" "inspect" "63032b2c4c15cb6a21618fb7af5895a31b383873e4be89735da8ebf5c8511399", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "63032b2c4c15cb6a21618fb7af5895a31b383873e4be89735da8ebf5c8511399", kill_on_drop: false }`
[INFO] [stdout] 63032b2c4c15cb6a21618fb7af5895a31b383873e4be89735da8ebf5c8511399
[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=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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9843ca893316219b6130328af8056e24901070529d1ac0a667ee41fff16dd951
[INFO] running `Command { std: "docker" "start" "-a" "9843ca893316219b6130328af8056e24901070529d1ac0a667ee41fff16dd951", kill_on_drop: false }`
[INFO] [stderr]    Compiling ucd-trie v0.1.3
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling libc v0.2.97
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.5
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling regex-automata v0.1.10
[INFO] [stderr]    Compiling plotters-backend v0.3.0
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling oorandom v11.1.3
[INFO] [stderr]    Compiling bytesize v1.0.1
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]    Compiling fxhash v0.2.1
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]    Compiling serde_cbor v0.11.1
[INFO] [stderr]    Compiling serde_bytes v0.11.5
[INFO] [stderr]    Compiling pest v2.1.3
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]    Compiling itertools v0.10.1
[INFO] [stderr]    Compiling walkdir v2.3.2
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling hashers v1.0.1
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling plotters-svg v0.3.0
[INFO] [stderr]    Compiling plotters v0.3.1
[INFO] [stderr]    Compiling crossbeam-channel v0.5.1
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling crossbeam-deque v0.8.0
[INFO] [stderr]    Compiling csv-core v0.1.10
[INFO] [stderr]    Compiling bstr v0.2.16
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling semver-parser v0.10.2
[INFO] [stderr]    Compiling semver v0.11.0
[INFO] [stderr]    Compiling csv v1.1.6
[INFO] [stderr]    Compiling rustc_version v0.3.3
[INFO] [stderr]    Compiling cast v0.2.6
[INFO] [stderr]    Compiling criterion-plot v0.4.3
[INFO] [stderr]    Compiling criterion v0.3.4
[INFO] [stderr]    Compiling serde_bencoded v0.3.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/de.rs:637:10
[INFO] [stdout]     |
[INFO] [stdout] 637 |         };
[INFO] [stdout]     |          ^ help: remove this semicolon
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/de.rs:726:10
[INFO] [stdout]     |
[INFO] [stdout] 726 |         };
[INFO] [stdout]     |          ^ help: remove this semicolon
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/ser.rs:617:10
[INFO] [stdout]     |
[INFO] [stdout] 617 |         };
[INFO] [stdout]     |          ^ help: remove this semicolon
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/ser.rs:693:10
[INFO] [stdout]     |
[INFO] [stdout] 693 |         };
[INFO] [stdout]     |          ^ help: remove this semicolon
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `formatter`
[INFO] [stdout]    --> src/de.rs:690:33
[INFO] [stdout]     |
[INFO] [stdout] 690 |             fn expecting(&self, formatter: &mut std::fmt::Formatter) -> std::fmt::Result {
[INFO] [stdout]     |                                 ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_formatter`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 18.87s
[INFO] running `Command { std: "docker" "inspect" "9843ca893316219b6130328af8056e24901070529d1ac0a667ee41fff16dd951", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9843ca893316219b6130328af8056e24901070529d1ac0a667ee41fff16dd951", kill_on_drop: false }`
[INFO] [stdout] 9843ca893316219b6130328af8056e24901070529d1ac0a667ee41fff16dd951
[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=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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 6cd12940a2aa1e53f04ee8e4249f67599a5c0800dae37231a3dd4d4d7c3ffe16
[INFO] running `Command { std: "docker" "start" "-a" "6cd12940a2aa1e53f04ee8e4249f67599a5c0800dae37231a3dd4d4d7c3ffe16", kill_on_drop: false }`
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]    --> src/de.rs:637:10
[INFO] [stderr]     |
[INFO] [stderr] 637 |         };
[INFO] [stderr]     |          ^ help: remove this semicolon
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]    --> src/de.rs:726:10
[INFO] [stderr]     |
[INFO] [stderr] 726 |         };
[INFO] [stderr]     |          ^ help: remove this semicolon
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]    --> src/ser.rs:617:10
[INFO] [stderr]     |
[INFO] [stderr] 617 |         };
[INFO] [stderr]     |          ^ help: remove this semicolon
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]    --> src/ser.rs:693:10
[INFO] [stderr]     |
[INFO] [stderr] 693 |         };
[INFO] [stderr]     |          ^ help: remove this semicolon
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `formatter`
[INFO] [stderr]    --> src/de.rs:690:33
[INFO] [stderr]     |
[INFO] [stderr] 690 |             fn expecting(&self, formatter: &mut std::fmt::Formatter) -> std::fmt::Result {
[INFO] [stderr]     |                                 ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_formatter`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 5 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/serde_bencoded-8ba6e9f9812db02f)
[INFO] [stdout] 
[INFO] [stdout] running 28 tests
[INFO] [stdout] test de::tests::byte_string ... ok
[INFO] [stdout] test de::tests::dictionary ... ok
[INFO] [stdout] test de::tests::nested_enum_adjacently_tagged_auto ... ok
[INFO] [stdout] test de::tests::newtype_variant ... ok
[INFO] [stdout] test de::tests::options ... ok
[INFO] [stdout] test de::tests::primitives ... ok
[INFO] [stdout] test de::tests::seq ... ok
[INFO] [stdout] test de::tests::test_auto ... ok
[INFO] [stdout] test de::tests::unit ... ok
[INFO] [stdout] test de::tests::unit_struct ... ok
[INFO] [stdout] test de::tests::unit_variant ... ok
[INFO] [stdout] test de::tests::newtype_struct ... ok
[INFO] [stdout] test ser::tests::bools ... ok
[INFO] [stdout] test ser::tests::map_of_options ... ok
[INFO] [stdout] test ser::tests::newtype_struct ... ok
[INFO] [stdout] test ser::tests::map ... ok
[INFO] [stdout] test ser::tests::numbers ... ok
[INFO] [stdout] test ser::tests::newtype_variant ... ok
[INFO] [stdout] test ser::tests::options ... ok
[INFO] [stdout] test ser::tests::bytes ... ok
[INFO] [stdout] test ser::tests::tuple ... ok
[INFO] [stdout] test ser::tests::tuple_struct ... ok
[INFO] [stdout] test ser::tests::sequence ... ok
[INFO] [stdout] test ser::tests::struct_test ... ok
[INFO] [stdout] test ser::tests::unit ... ok
[INFO] [stdout] test ser::tests::unit_struct ... ok
[INFO] [stdout] test ser::tests::tuple_variant ... ok
[INFO] [stdout] test ser::tests::strings ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 28 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests serde_bencoded
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/ser.rs - ser::to_writer (line 42) ... ok
[INFO] [stdout] test src/ser.rs - ser::to_string (line 21) ... ok
[INFO] [stdout] test src/de.rs - de::from_str (line 83) ... ok
[INFO] [stdout] test src/de.rs - de::from_bytes (line 131) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.46s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "6cd12940a2aa1e53f04ee8e4249f67599a5c0800dae37231a3dd4d4d7c3ffe16", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6cd12940a2aa1e53f04ee8e4249f67599a5c0800dae37231a3dd4d4d7c3ffe16", kill_on_drop: false }`
[INFO] [stdout] 6cd12940a2aa1e53f04ee8e4249f67599a5c0800dae37231a3dd4d4d7c3ffe16