[INFO] fetching crate functils 0.0.2...
[INFO] testing functils-0.0.2 against 1.55.0 for beta-1.56-1
[INFO] extracting crate functils 0.0.2 into /workspace/builds/worker-99/source
[INFO] validating manifest of crates.io crate functils 0.0.2 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 functils 0.0.2
[INFO] finished tweaking crates.io crate functils 0.0.2
[INFO] tweaked toml for crates.io crate functils 0.0.2 written to /workspace/builds/worker-99/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]  Downloading crates ...
[INFO] [stderr]   Downloaded kinder v0.1.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/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] 5226e4754e1998bdf9b9e31c03ad7180b7207857fd2ef2a4c8a06bf3363b5c78
[INFO] running `Command { std: "docker" "start" "-a" "5226e4754e1998bdf9b9e31c03ad7180b7207857fd2ef2a4c8a06bf3363b5c78", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5226e4754e1998bdf9b9e31c03ad7180b7207857fd2ef2a4c8a06bf3363b5c78", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5226e4754e1998bdf9b9e31c03ad7180b7207857fd2ef2a4c8a06bf3363b5c78", kill_on_drop: false }`
[INFO] [stdout] 5226e4754e1998bdf9b9e31c03ad7180b7207857fd2ef2a4c8a06bf3363b5c78
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/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] a61620e0747013d4106f742929065eb7401931466b2b4712d493b8c6369d002c
[INFO] running `Command { std: "docker" "start" "-a" "a61620e0747013d4106f742929065eb7401931466b2b4712d493b8c6369d002c", kill_on_drop: false }`
[INFO] [stderr]    Compiling kinder v0.1.3
[INFO] [stderr]    Compiling functils v0.0.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/list.rs:188:9
[INFO] [stdout]     |
[INFO] [stdout] 188 |         try!(write!(f, "["));
[INFO] [stdout]     |         ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/list.rs:190:13
[INFO] [stdout]     |
[INFO] [stdout] 190 |             try!(write!(f, " {}", i));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/list.rs:193:13
[INFO] [stdout]     |
[INFO] [stdout] 193 |             try!(write!(f, "]"));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/list.rs:195:13
[INFO] [stdout]     |
[INFO] [stdout] 195 |             try!(write!(f, " ]"));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.64s
[INFO] running `Command { std: "docker" "inspect" "a61620e0747013d4106f742929065eb7401931466b2b4712d493b8c6369d002c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a61620e0747013d4106f742929065eb7401931466b2b4712d493b8c6369d002c", kill_on_drop: false }`
[INFO] [stdout] a61620e0747013d4106f742929065eb7401931466b2b4712d493b8c6369d002c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/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] 836c5887ca22f21391c350f09082372ef4f307df14eee43e4d88e460353e7cfe
[INFO] running `Command { std: "docker" "start" "-a" "836c5887ca22f21391c350f09082372ef4f307df14eee43e4d88e460353e7cfe", kill_on_drop: false }`
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/list.rs:188:9
[INFO] [stdout]     |
[INFO] [stdout] 188 |         try!(write!(f, "["));
[INFO] [stdout]     |         ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/list.rs:190:13
[INFO] [stdout]     |
[INFO] [stdout] 190 |             try!(write!(f, " {}", i));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/list.rs:193:13
[INFO] [stdout]     |
[INFO] [stdout] 193 |             try!(write!(f, "]"));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/list.rs:195:13
[INFO] [stdout]     |
[INFO] [stdout] 195 |             try!(write!(f, " ]"));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling functils v0.0.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/list.rs:188:9
[INFO] [stdout]     |
[INFO] [stdout] 188 |         try!(write!(f, "["));
[INFO] [stdout]     |         ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/list.rs:190:13
[INFO] [stdout]     |
[INFO] [stdout] 190 |             try!(write!(f, " {}", i));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/list.rs:193:13
[INFO] [stdout]     |
[INFO] [stdout] 193 |             try!(write!(f, "]"));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/list.rs:195:13
[INFO] [stdout]     |
[INFO] [stdout] 195 |             try!(write!(f, " ]"));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.77s
[INFO] running `Command { std: "docker" "inspect" "836c5887ca22f21391c350f09082372ef4f307df14eee43e4d88e460353e7cfe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "836c5887ca22f21391c350f09082372ef4f307df14eee43e4d88e460353e7cfe", kill_on_drop: false }`
[INFO] [stdout] 836c5887ca22f21391c350f09082372ef4f307df14eee43e4d88e460353e7cfe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/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] b2186b17615864c6dac782114e94ed2295b535f590603255f56dd5bf75a93819
[INFO] running `Command { std: "docker" "start" "-a" "b2186b17615864c6dac782114e94ed2295b535f590603255f56dd5bf75a93819", kill_on_drop: false }`
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/list.rs:188:9
[INFO] [stderr]     |
[INFO] [stderr] 188 |         try!(write!(f, "["));
[INFO] [stderr]     |         ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/list.rs:190:13
[INFO] [stderr]     |
[INFO] [stderr] 190 |             try!(write!(f, " {}", i));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/list.rs:193:13
[INFO] [stderr]     |
[INFO] [stderr] 193 |             try!(write!(f, "]"));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/list.rs:195:13
[INFO] [stderr]     |
[INFO] [stderr] 195 |             try!(write!(f, " ]"));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `functils` (lib) generated 4 warnings
[INFO] [stderr] warning: `functils` (lib test) generated 4 warnings (4 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.13s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/functils-430f56ed82548d5f)
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test fst_works ... ok
[INFO] [stdout] test identity_works ... ok
[INFO] [stdout] test ifte_works ... ok
[INFO] [stdout] test snd_works ... ok
[INFO] [stdout] test list::append_works ... ok
[INFO] [stdout] test list::cons_works ... ok
[INFO] [stdout] test list::uncons_works ... ok
[INFO] [stdout] test list::list_macro_works ... ok
[INFO] [stdout] test list::null_works ... ok
[INFO] [stdout] test list::tail_works ... ok
[INFO] [stdout] test list::head_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.04s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests functils
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test src/list.rs - list::List<A>::null (line 103) ... ok
[INFO] [stdout] test src/list.rs - list::List<A>::cons (line 42) ... ok
[INFO] [stdout] test src/list.rs - list::List<A>::tail (line 136) ... ok
[INFO] [stdout] test src/list.rs - list::List<A>::uncons (line 158) ... ok
[INFO] [stdout] test src/list.rs - list::List<A>::append (line 72) ... ok
[INFO] [stdout] test src/list.rs - list::List<A>::head (line 119) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.15s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "b2186b17615864c6dac782114e94ed2295b535f590603255f56dd5bf75a93819", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b2186b17615864c6dac782114e94ed2295b535f590603255f56dd5bf75a93819", kill_on_drop: false }`
[INFO] [stdout] b2186b17615864c6dac782114e94ed2295b535f590603255f56dd5bf75a93819