[INFO] fetching crate serde_bencoded 0.3.1...
[INFO] testing serde_bencoded-0.3.1 against master#b70888601af92f6cdc0364abab3446e418b91d36 for pr-86479
[INFO] extracting crate serde_bencoded 0.3.1 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate serde_bencoded 0.3.1 on toolchain b70888601af92f6cdc0364abab3446e418b91d36
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "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-0/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" "+b70888601af92f6cdc0364abab3446e418b91d36" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8ba501146063db1b4551d100f2c90ece0e230b4ce121620603c2e1b73f9f2937
[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" "8ba501146063db1b4551d100f2c90ece0e230b4ce121620603c2e1b73f9f2937", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8ba501146063db1b4551d100f2c90ece0e230b4ce121620603c2e1b73f9f2937", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ba501146063db1b4551d100f2c90ece0e230b4ce121620603c2e1b73f9f2937", kill_on_drop: false }`
[INFO] [stdout] 8ba501146063db1b4551d100f2c90ece0e230b4ce121620603c2e1b73f9f2937
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+b70888601af92f6cdc0364abab3446e418b91d36" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b9d728d005507e65f97ee67de7c61c0809f05076d062ee14885702ef281939fc
[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" "b9d728d005507e65f97ee67de7c61c0809f05076d062ee14885702ef281939fc", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling itoa v0.4.7
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling num-traits v0.2.14
[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 33.42s
[INFO] running `Command { std: "docker" "inspect" "b9d728d005507e65f97ee67de7c61c0809f05076d062ee14885702ef281939fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b9d728d005507e65f97ee67de7c61c0809f05076d062ee14885702ef281939fc", kill_on_drop: false }`
[INFO] [stdout] b9d728d005507e65f97ee67de7c61c0809f05076d062ee14885702ef281939fc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7571631a54c9c494567f3f82c8f2b3b06987c30e0c260c47ba0f612b4f7d270b
[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" "7571631a54c9c494567f3f82c8f2b3b06987c30e0c260c47ba0f612b4f7d270b", kill_on_drop: false }`
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling libc v0.2.97
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling half v1.7.1
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling bytesize v1.0.1
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]    Compiling semver-parser v0.10.2
[INFO] [stderr]    Compiling plotters v0.3.1
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]    Compiling serde_bytes v0.11.5
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling bstr v0.2.16
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]    Compiling itertools v0.10.1
[INFO] [stderr]    Compiling serde_cbor v0.11.1
[INFO] [stderr]    Compiling fxhash v0.2.1
[INFO] [stderr]    Compiling crossbeam-channel v0.5.1
[INFO] [stderr]    Compiling semver v0.11.0
[INFO] [stderr]    Compiling hashers v1.0.1
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling csv v1.1.6
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.5
[INFO] [stderr]    Compiling rustc_version v0.3.3
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling crossbeam-deque v0.8.0
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling cast v0.2.6
[INFO] [stderr]    Compiling regex v1.5.4
[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 51.26s
[INFO] running `Command { std: "docker" "inspect" "7571631a54c9c494567f3f82c8f2b3b06987c30e0c260c47ba0f612b4f7d270b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7571631a54c9c494567f3f82c8f2b3b06987c30e0c260c47ba0f612b4f7d270b", kill_on_drop: false }`
[INFO] [stdout] 7571631a54c9c494567f3f82c8f2b3b06987c30e0c260c47ba0f612b4f7d270b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d0204f3e16e5415d70da5bbb3566568cd81df600eedc1e074884be776d2d12c5
[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" "d0204f3e16e5415d70da5bbb3566568cd81df600eedc1e074884be776d2d12c5", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stdout] 
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stdout] running 28 tests
[INFO] [stderr]    --> src/de.rs:637:10
[INFO] [stdout] test de::tests::newtype_variant ... ok
[INFO] [stderr]     |
[INFO] [stdout] test de::tests::primitives ... ok
[INFO] [stderr] 637 |         };
[INFO] [stdout] test de::tests::options ... ok
[INFO] [stderr]     |          ^ help: remove this semicolon
[INFO] [stdout] test ser::tests::bools ... ok
[INFO] [stderr]     |
[INFO] [stdout] test ser::tests::bytes ... ok
[INFO] [stderr]     = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] test de::tests::test_auto ... ok
[INFO] [stderr] 
[INFO] [stdout] test ser::tests::map ... ok
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stdout] test ser::tests::newtype_struct ... ok
[INFO] [stderr]    --> src/de.rs:726:10
[INFO] [stdout] test ser::tests::options ... ok
[INFO] [stderr]     |
[INFO] [stdout] test ser::tests::strings ... ok
[INFO] [stderr] 726 |         };
[INFO] [stdout] test ser::tests::tuple ... ok
[INFO] [stderr]     |          ^ help: remove this semicolon
[INFO] [stdout] test ser::tests::tuple_struct ... ok
[INFO] [stderr] 
[INFO] [stdout] test ser::tests::struct_test ... ok
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stdout] test ser::tests::newtype_variant ... ok
[INFO] [stderr]    --> src/ser.rs:617:10
[INFO] [stdout] test ser::tests::numbers ... ok
[INFO] [stderr]     |
[INFO] [stdout] test ser::tests::unit ... ok
[INFO] [stderr] 617 |         };
[INFO] [stdout] test ser::tests::unit_struct ... ok
[INFO] [stderr]     |          ^ help: remove this semicolon
[INFO] [stdout] test ser::tests::sequence ... ok
[INFO] [stderr] 
[INFO] [stdout] test ser::tests::tuple_variant ... ok
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stdout] test de::tests::dictionary ... ok
[INFO] [stderr]    --> src/ser.rs:693:10
[INFO] [stdout] test de::tests::byte_string ... ok
[INFO] [stderr]     |
[INFO] [stdout] test de::tests::nested_enum_adjacently_tagged_auto ... ok
[INFO] [stderr] 693 |         };
[INFO] [stdout] test ser::tests::map_of_options ... ok
[INFO] [stderr]     |          ^ help: remove this semicolon
[INFO] [stdout] test de::tests::newtype_struct ... ok
[INFO] [stderr] 
[INFO] [stdout] test de::tests::unit_variant ... ok
[INFO] [stderr] warning: unused variable: `formatter`
[INFO] [stdout] test de::tests::seq ... ok
[INFO] [stderr]    --> src/de.rs:690:33
[INFO] [stdout] test de::tests::unit ... ok
[INFO] [stderr]     |
[INFO] [stdout] test de::tests::unit_struct ... ok
[INFO] [stderr] 690 |             fn expecting(&self, formatter: &mut std::fmt::Formatter) -> std::fmt::Result {
[INFO] [stdout] 
[INFO] [stderr]     |                                 ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_formatter`
[INFO] [stdout] test result: ok. 28 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr]     |
[INFO] [stdout] 
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `serde_bencoded` (lib test) generated 5 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.22s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/serde_bencoded-8ba6e9f9812db02f)
[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_bytes (line 131) ... ok
[INFO] [stdout] test src/de.rs - de::from_str (line 83) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.70s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "d0204f3e16e5415d70da5bbb3566568cd81df600eedc1e074884be776d2d12c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d0204f3e16e5415d70da5bbb3566568cd81df600eedc1e074884be776d2d12c5", kill_on_drop: false }`
[INFO] [stdout] d0204f3e16e5415d70da5bbb3566568cd81df600eedc1e074884be776d2d12c5