[INFO] fetching crate serde_bencode 0.2.3...
[INFO] testing serde_bencode-0.2.3 against try#ecabaf78506b7a4668d42dc20268c086b93f0fad for pr-87041
[INFO] extracting crate serde_bencode 0.2.3 into /workspace/builds/worker-15/source
[INFO] validating manifest of crates.io crate serde_bencode 0.2.3 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_bencode 0.2.3
[INFO] finished tweaking crates.io crate serde_bencode 0.2.3
[INFO] tweaked toml for crates.io crate serde_bencode 0.2.3 written to /workspace/builds/worker-15/source/Cargo.toml
[INFO] crate crates.io crate serde_bencode 0.2.3 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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] 1ff90d1a60e1eb6318d15c32f7734323a2ab8d902127cb7070bea959147af308
[INFO] running `Command { std: "docker" "start" "-a" "1ff90d1a60e1eb6318d15c32f7734323a2ab8d902127cb7070bea959147af308", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1ff90d1a60e1eb6318d15c32f7734323a2ab8d902127cb7070bea959147af308", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ff90d1a60e1eb6318d15c32f7734323a2ab8d902127cb7070bea959147af308", kill_on_drop: false }`
[INFO] [stdout] 1ff90d1a60e1eb6318d15c32f7734323a2ab8d902127cb7070bea959147af308
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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] 7fed5ca54c48ab450a42a9f4362674342109fe982b65d2b6e626131e70a99de9
[INFO] running `Command { std: "docker" "start" "-a" "7fed5ca54c48ab450a42a9f4362674342109fe982b65d2b6e626131e70a99de9", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]    Compiling serde_bytes v0.11.5
[INFO] [stderr]    Compiling serde_bencode v0.2.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.58s
[INFO] running `Command { std: "docker" "inspect" "7fed5ca54c48ab450a42a9f4362674342109fe982b65d2b6e626131e70a99de9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7fed5ca54c48ab450a42a9f4362674342109fe982b65d2b6e626131e70a99de9", kill_on_drop: false }`
[INFO] [stdout] 7fed5ca54c48ab450a42a9f4362674342109fe982b65d2b6e626131e70a99de9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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] 1bdd1098bf3fa973497e82013405a7da157582ec2c81cb4da1e948935664a7e2
[INFO] running `Command { std: "docker" "start" "-a" "1bdd1098bf3fa973497e82013405a7da157582ec2c81cb4da1e948935664a7e2", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.8
[INFO] [stderr]    Compiling syn v1.0.14
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]    Compiling serde_bencode v0.2.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Deserialize`
[INFO] [stdout]  --> tests/tests.rs:8:24
[INFO] [stdout]   |
[INFO] [stdout] 8 | use serde::{Serialize, Deserialize};
[INFO] [stdout]   |                        ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> tests/tests.rs:168:6
[INFO] [stdout]     |
[INFO] [stdout] 168 |     };
[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]    --> tests/tests.rs:183:6
[INFO] [stdout]     |
[INFO] [stdout] 183 |     };
[INFO] [stdout]     |      ^ help: remove this semicolon
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> tests/tests.rs:202:6
[INFO] [stdout]     |
[INFO] [stdout] 202 |     };
[INFO] [stdout]     |      ^ help: remove this semicolon
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> tests/tests.rs:232:6
[INFO] [stdout]     |
[INFO] [stdout] 232 |     };
[INFO] [stdout]     |      ^ help: remove this semicolon
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> tests/tests.rs:251:6
[INFO] [stdout]     |
[INFO] [stdout] 251 |     };
[INFO] [stdout]     |      ^ help: remove this semicolon
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> tests/tests.rs:308:6
[INFO] [stdout]     |
[INFO] [stdout] 308 |     };
[INFO] [stdout]     |      ^ help: remove this semicolon
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> tests/tests.rs:322:6
[INFO] [stdout]     |
[INFO] [stdout] 322 |     };
[INFO] [stdout]     |      ^ help: remove this semicolon
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> tests/tests.rs:333:6
[INFO] [stdout]     |
[INFO] [stdout] 333 |     };
[INFO] [stdout]     |      ^ help: remove this semicolon
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> tests/tests.rs:344:6
[INFO] [stdout]     |
[INFO] [stdout] 344 |     };
[INFO] [stdout]     |      ^ help: remove this semicolon
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> tests/tests.rs:355:6
[INFO] [stdout]     |
[INFO] [stdout] 355 |     };
[INFO] [stdout]     |      ^ help: remove this semicolon
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 15.40s
[INFO] running `Command { std: "docker" "inspect" "1bdd1098bf3fa973497e82013405a7da157582ec2c81cb4da1e948935664a7e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1bdd1098bf3fa973497e82013405a7da157582ec2c81cb4da1e948935664a7e2", kill_on_drop: false }`
[INFO] [stdout] 1bdd1098bf3fa973497e82013405a7da157582ec2c81cb4da1e948935664a7e2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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] 7f9595ab166cec93a3c4e132494f2882eca1d9a629666aecddb22e96834e539d
[INFO] running `Command { std: "docker" "start" "-a" "7f9595ab166cec93a3c4e132494f2882eca1d9a629666aecddb22e96834e539d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stdout] 
[INFO] [stderr] warning: unused import: `Deserialize`
[INFO] [stdout] running 0 tests
[INFO] [stderr]  --> tests/tests.rs:8:24
[INFO] [stdout] 
[INFO] [stderr]   |
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr] 8 | use serde::{Serialize, Deserialize};
[INFO] [stdout] 
[INFO] [stderr]   |                        ^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]    --> tests/tests.rs:168:6
[INFO] [stderr]     |
[INFO] [stderr] 168 |     };
[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]    --> tests/tests.rs:183:6
[INFO] [stderr]     |
[INFO] [stderr] 183 |     };
[INFO] [stderr]     |      ^ help: remove this semicolon
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]    --> tests/tests.rs:202:6
[INFO] [stderr]     |
[INFO] [stderr] 202 |     };
[INFO] [stderr]     |      ^ help: remove this semicolon
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]    --> tests/tests.rs:232:6
[INFO] [stderr]     |
[INFO] [stderr] 232 |     };
[INFO] [stderr]     |      ^ help: remove this semicolon
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]    --> tests/tests.rs:251:6
[INFO] [stderr]     |
[INFO] [stderr] 251 |     };
[INFO] [stderr]     |      ^ help: remove this semicolon
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]    --> tests/tests.rs:308:6
[INFO] [stderr]     |
[INFO] [stderr] 308 |     };
[INFO] [stderr]     |      ^ help: remove this semicolon
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]    --> tests/tests.rs:322:6
[INFO] [stderr]     |
[INFO] [stderr] 322 |     };
[INFO] [stderr]     |      ^ help: remove this semicolon
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]    --> tests/tests.rs:333:6
[INFO] [stderr]     |
[INFO] [stderr] 333 |     };
[INFO] [stderr]     |      ^ help: remove this semicolon
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]    --> tests/tests.rs:344:6
[INFO] [stderr]     |
[INFO] [stderr] 344 |     };
[INFO] [stderr]     |      ^ help: remove this semicolon
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]    --> tests/tests.rs:355:6
[INFO] [stderr]     |
[INFO] [stderr] 355 |     };
[INFO] [stderr]     |      ^ help: remove this semicolon
[INFO] [stderr] 
[INFO] [stderr] warning: 11 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/serde_bencode-03adfe23c5e4f3bf)
[INFO] [stdout] 
[INFO] [stderr]      Running tests/tests.rs (/opt/rustwide/target/debug/deps/tests-7cae4f13d02625df)
[INFO] [stdout] running 36 tests
[INFO] [stdout] test deserialize_to_string ... ok
[INFO] [stdout] test deserialize_to_value ... ok
[INFO] [stdout] test multi_digit_string_length ... ok
[INFO] [stdout] test readme_value_example ... ok
[INFO] [stdout] test ser_de_int ... ok
[INFO] [stdout] test ser_de_string ... ok
[INFO] [stdout] test ser_de_variant_unit ... ok
[INFO] [stdout] test ser_de_value_list_mixed ... ok
[INFO] [stdout] test serialize_ascii_char ... ok
[INFO] [stdout] test trailing_chars ... ignored
[INFO] [stdout] test ser_de_map_value_mixed ... ok
[INFO] [stdout] test deserialize_to_freestyle ... ok
[INFO] [stdout] test serialize_uncode_char ... ok
[INFO] [stdout] test serialize_i64 ... ok
[INFO] [stdout] test stop_short ... ok
[INFO] [stdout] test serialize_tuple_struct ... ok
[INFO] [stdout] test test_to_bytes ... ok
[INFO] [stdout] test serialize_lexical_sorted_keys ... ok
[INFO] [stdout] test struct_none_vals ... ok
[INFO] [stdout] test serialize_none ... ok
[INFO] [stdout] test ser_de_value_map ... ok
[INFO] [stdout] test serialize_newtype_struct ... ok
[INFO] [stdout] test serialize_tuple ... ok
[INFO] [stdout] test ser_de_value_list_nested ... ok
[INFO] [stdout] test serialize_struct ... ok
[INFO] [stdout] test ser_de_variant_newtype ... ok
[INFO] [stdout] test ser_de_variant_tuple ... ok
[INFO] [stdout] test ser_de_variant_struct ... ok
[INFO] [stdout] test serialize_bool ... ok
[INFO] [stdout] test deserialize_to_value_struct_mix ... ok
[INFO] [stdout] test deserialize_to_i64 ... ok
[INFO] [stdout] test deserialize_to_struct ... ok
[INFO] [stdout] test deserialize_to_struct_with_option ... ok
[INFO] [stdout] test serialize_str ... ok
[INFO] [stdout] test serialize_some ... ok
[INFO] [stdout] test deserialize_to_vec ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 35 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests serde_bencode
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test src/ser.rs - ser::to_string (line 371) ... ok
[INFO] [stdout] test src/ser.rs - ser::to_bytes (line 334) ... ok
[INFO] [stdout] test src/de.rs - de::from_str (line 282) ... ok
[INFO] [stdout] test src/lib.rs - (line 6) ... ok
[INFO] [stdout] test src/de.rs - de::from_bytes (line 320) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.70s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "7f9595ab166cec93a3c4e132494f2882eca1d9a629666aecddb22e96834e539d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7f9595ab166cec93a3c4e132494f2882eca1d9a629666aecddb22e96834e539d", kill_on_drop: false }`
[INFO] [stdout] 7f9595ab166cec93a3c4e132494f2882eca1d9a629666aecddb22e96834e539d