[INFO] crate functils 0.0.2 is already in cache
[INFO] testing functils-0.0.2 against master#8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e for pr-74409
[INFO] extracting crate functils 0.0.2 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate functils 0.0.2 on toolchain 8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "read-manifest" "--manifest-path" "Cargo.toml", 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-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7124250e655cf88656751ae49a51215d5ac2a9ee28ba85ca2208e9a62469275c
[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" "7124250e655cf88656751ae49a51215d5ac2a9ee28ba85ca2208e9a62469275c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7124250e655cf88656751ae49a51215d5ac2a9ee28ba85ca2208e9a62469275c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7124250e655cf88656751ae49a51215d5ac2a9ee28ba85ca2208e9a62469275c", kill_on_drop: false }`
[INFO] [stdout] 7124250e655cf88656751ae49a51215d5ac2a9ee28ba85ca2208e9a62469275c
[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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d83dd126f60e1d13c20389010bd849b076984ecdd66811dfc237c44f9bff878f
[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" "d83dd126f60e1d13c20389010bd849b076984ecdd66811dfc237c44f9bff878f", 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 item '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 item '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 item '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 item '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 0.56s
[INFO] running `Command { std: "docker" "inspect" "d83dd126f60e1d13c20389010bd849b076984ecdd66811dfc237c44f9bff878f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d83dd126f60e1d13c20389010bd849b076984ecdd66811dfc237c44f9bff878f", kill_on_drop: false }`
[INFO] [stdout] d83dd126f60e1d13c20389010bd849b076984ecdd66811dfc237c44f9bff878f
[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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 665998d377c60b1c5391b028655ea910381380b4201d2567adc514d6b5f8e28e
[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" "665998d377c60b1c5391b028655ea910381380b4201d2567adc514d6b5f8e28e", kill_on_drop: false }`
[INFO] [stderr]    Compiling functils v0.0.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated item '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 item '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 item '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 item '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] [stdout] warning: use of deprecated item '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 item '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 item '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 item '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 0.57s
[INFO] running `Command { std: "docker" "inspect" "665998d377c60b1c5391b028655ea910381380b4201d2567adc514d6b5f8e28e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "665998d377c60b1c5391b028655ea910381380b4201d2567adc514d6b5f8e28e", kill_on_drop: false }`
[INFO] [stdout] 665998d377c60b1c5391b028655ea910381380b4201d2567adc514d6b5f8e28e
[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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] bf06c449071e07c32c979f0f013b3f6542ffe615cce606537214d4e7162effe2
[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" "bf06c449071e07c32c979f0f013b3f6542ffe615cce606537214d4e7162effe2", kill_on_drop: false }`
[INFO] [stderr] warning: use of deprecated item '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 item '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 item '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 item '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: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item '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 item '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 item '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 item '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: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/functils-632763a684f269db
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test ifte_works ... ok
[INFO] [stdout] test list::append_works ... ok
[INFO] [stdout] test list::cons_works ... ok
[INFO] [stdout] test list::head_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::uncons_works ... ok
[INFO] [stdout] test snd_works ... ok
[INFO] [stdout] test identity_works ... ok
[INFO] [stdout] test fst_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests functils
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[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>::null (line 103) ... ok
[INFO] [stdout] test src/list.rs - list::List<A>::head (line 119) ... ok
[INFO] [stdout] test src/list.rs - list::List<A>::append (line 72) ... ok
[INFO] [stdout] test src/list.rs - list::List<A>::uncons (line 158) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "bf06c449071e07c32c979f0f013b3f6542ffe615cce606537214d4e7162effe2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bf06c449071e07c32c979f0f013b3f6542ffe615cce606537214d4e7162effe2", kill_on_drop: false }`
[INFO] [stdout] bf06c449071e07c32c979f0f013b3f6542ffe615cce606537214d4e7162effe2