[INFO] cloning repository https://github.com/Checkmate50/rust99problems
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Checkmate50/rust99problems" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCheckmate50%2Frust99problems", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCheckmate50%2Frust99problems'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 406b3de7ca59ecccafb7429036bc78cda77033cf
[INFO] building Checkmate50/rust99problems against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCheckmate50%2Frust99problems" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Checkmate50/rust99problems on toolchain 11663cd3bfefef7d34e8f0892c250bf698049392
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Checkmate50/rust99problems
[INFO] finished tweaking git repo https://github.com/Checkmate50/rust99problems
[INFO] tweaked toml for git repo https://github.com/Checkmate50/rust99problems written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Checkmate50/rust99problems already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 962ce93874f06c059a156aee641e6d41370b149a60bc5b6f457302b2a6eca7ac
[INFO] running `Command { std: "docker" "start" "-a" "962ce93874f06c059a156aee641e6d41370b149a60bc5b6f457302b2a6eca7ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "962ce93874f06c059a156aee641e6d41370b149a60bc5b6f457302b2a6eca7ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "962ce93874f06c059a156aee641e6d41370b149a60bc5b6f457302b2a6eca7ac", kill_on_drop: false }`
[INFO] [stdout] 962ce93874f06c059a156aee641e6d41370b149a60bc5b6f457302b2a6eca7ac
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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 -Dtail-expr-drop-order" "-e" "RUSTDOCFLAGS=--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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 68c062c7edc58a03366848adc882a70962ea8c1d73ec228abdc2031dd24ab41c
[INFO] running `Command { std: "docker" "start" "-a" "68c062c7edc58a03366848adc882a70962ea8c1d73ec228abdc2031dd24ab41c", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.95
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling rand_core v0.6.2
[INFO] [stderr]    Compiling rand_chacha v0.3.0
[INFO] [stderr]    Compiling rand v0.8.3
[INFO] [stderr]    Compiling r99p v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]   --> src/bin/12.rs:8:51
[INFO] [stdout]    |
[INFO] [stdout] 8  |             r99p::ListEncoding::Multiple(s, v) => (for _ in 0..*v {
[INFO] [stdout]    |                                                   ^
[INFO] [stdout] 9  |                 res.push(s.clone())
[INFO] [stdout] 10 |             })
[INFO] [stdout]    |              ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 8  ~             r99p::ListEncoding::Multiple(s, v) => for _ in 0..*v {
[INFO] [stdout] 9  |                 res.push(s.clone())
[INFO] [stdout] 10 ~             }
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `mynand` is never used
[INFO] [stdout]   --> src/bin/46.rs:13:4
[INFO] [stdout]    |
[INFO] [stdout] 13 | fn mynand(l : bool, r : bool) -> bool {
[INFO] [stdout]    |    ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `mynor` is never used
[INFO] [stdout]   --> src/bin/46.rs:17:4
[INFO] [stdout]    |
[INFO] [stdout] 17 | fn mynor(l : bool, r : bool) -> bool {
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `myxor` is never used
[INFO] [stdout]   --> src/bin/46.rs:21:4
[INFO] [stdout]    |
[INFO] [stdout] 21 | fn myxor(l : bool, r : bool) -> bool {
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `myimpl` is never used
[INFO] [stdout]   --> src/bin/46.rs:25:4
[INFO] [stdout]    |
[INFO] [stdout] 25 | fn myimpl(l : bool, r : bool) -> bool {
[INFO] [stdout]    |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `myequ` is never used
[INFO] [stdout]   --> src/bin/46.rs:29:4
[INFO] [stdout]    |
[INFO] [stdout] 29 | fn myequ(l : bool, r : bool) -> bool {
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `mynand` is never used
[INFO] [stdout]   --> src/bin/48.rs:11:4
[INFO] [stdout]    |
[INFO] [stdout] 11 | fn mynand(l : bool, r : bool) -> bool {
[INFO] [stdout]    |    ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `mynor` is never used
[INFO] [stdout]   --> src/bin/48.rs:15:4
[INFO] [stdout]    |
[INFO] [stdout] 15 | fn mynor(l : bool, r : bool) -> bool {
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `myxor` is never used
[INFO] [stdout]   --> src/bin/48.rs:19:4
[INFO] [stdout]    |
[INFO] [stdout] 19 | fn myxor(l : bool, r : bool) -> bool {
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `myimpl` is never used
[INFO] [stdout]   --> src/bin/48.rs:23:4
[INFO] [stdout]    |
[INFO] [stdout] 23 | fn myimpl(l : bool, r : bool) -> bool {
[INFO] [stdout]    |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `mynand` is never used
[INFO] [stdout]   --> src/bin/47.rs:12:4
[INFO] [stdout]    |
[INFO] [stdout] 12 | fn mynand(l : bool, r : bool) -> bool {
[INFO] [stdout]    |    ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `mynor` is never used
[INFO] [stdout]   --> src/bin/47.rs:16:4
[INFO] [stdout]    |
[INFO] [stdout] 16 | fn mynor(l : bool, r : bool) -> bool {
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `myxor` is never used
[INFO] [stdout]   --> src/bin/47.rs:20:4
[INFO] [stdout]    |
[INFO] [stdout] 20 | fn myxor(l : bool, r : bool) -> bool {
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `myimpl` is never used
[INFO] [stdout]   --> src/bin/47.rs:24:4
[INFO] [stdout]    |
[INFO] [stdout] 24 | fn myimpl(l : bool, r : bool) -> bool {
[INFO] [stdout]    |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `myequ` is never used
[INFO] [stdout]   --> src/bin/47.rs:28:4
[INFO] [stdout]    |
[INFO] [stdout] 28 | fn myequ(l : bool, r : bool) -> bool {
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.58s
[INFO] running `Command { std: "docker" "inspect" "68c062c7edc58a03366848adc882a70962ea8c1d73ec228abdc2031dd24ab41c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "68c062c7edc58a03366848adc882a70962ea8c1d73ec228abdc2031dd24ab41c", kill_on_drop: false }`
[INFO] [stdout] 68c062c7edc58a03366848adc882a70962ea8c1d73ec228abdc2031dd24ab41c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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 -Dtail-expr-drop-order" "-e" "RUSTDOCFLAGS=--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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1ae3971ba2c3c824078a82e66686313c0502acad49122d3765abff030f1fadab
[INFO] running `Command { std: "docker" "start" "-a" "1ae3971ba2c3c824078a82e66686313c0502acad49122d3765abff030f1fadab", kill_on_drop: false }`
[INFO] [stderr]    Compiling r99p v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `mynand` is never used
[INFO] [stdout]   --> src/bin/46.rs:13:4
[INFO] [stdout]    |
[INFO] [stdout] 13 | fn mynand(l : bool, r : bool) -> bool {
[INFO] [stdout]    |    ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `mynor` is never used
[INFO] [stdout]   --> src/bin/46.rs:17:4
[INFO] [stdout]    |
[INFO] [stdout] 17 | fn mynor(l : bool, r : bool) -> bool {
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `myxor` is never used
[INFO] [stdout]   --> src/bin/46.rs:21:4
[INFO] [stdout]    |
[INFO] [stdout] 21 | fn myxor(l : bool, r : bool) -> bool {
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `myimpl` is never used
[INFO] [stdout]   --> src/bin/46.rs:25:4
[INFO] [stdout]    |
[INFO] [stdout] 25 | fn myimpl(l : bool, r : bool) -> bool {
[INFO] [stdout]    |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `myequ` is never used
[INFO] [stdout]   --> src/bin/46.rs:29:4
[INFO] [stdout]    |
[INFO] [stdout] 29 | fn myequ(l : bool, r : bool) -> bool {
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `mynand` is never used
[INFO] [stdout]   --> src/bin/47.rs:12:4
[INFO] [stdout]    |
[INFO] [stdout] 12 | fn mynand(l : bool, r : bool) -> bool {
[INFO] [stdout]    |    ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `mynor` is never used
[INFO] [stdout]   --> src/bin/47.rs:16:4
[INFO] [stdout]    |
[INFO] [stdout] 16 | fn mynor(l : bool, r : bool) -> bool {
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `myxor` is never used
[INFO] [stdout]   --> src/bin/47.rs:20:4
[INFO] [stdout]    |
[INFO] [stdout] 20 | fn myxor(l : bool, r : bool) -> bool {
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `myimpl` is never used
[INFO] [stdout]   --> src/bin/47.rs:24:4
[INFO] [stdout]    |
[INFO] [stdout] 24 | fn myimpl(l : bool, r : bool) -> bool {
[INFO] [stdout]    |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `myequ` is never used
[INFO] [stdout]   --> src/bin/47.rs:28:4
[INFO] [stdout]    |
[INFO] [stdout] 28 | fn myequ(l : bool, r : bool) -> bool {
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]   --> src/bin/12.rs:8:51
[INFO] [stdout]    |
[INFO] [stdout] 8  |             r99p::ListEncoding::Multiple(s, v) => (for _ in 0..*v {
[INFO] [stdout]    |                                                   ^
[INFO] [stdout] 9  |                 res.push(s.clone())
[INFO] [stdout] 10 |             })
[INFO] [stdout]    |              ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 8  ~             r99p::ListEncoding::Multiple(s, v) => for _ in 0..*v {
[INFO] [stdout] 9  |                 res.push(s.clone())
[INFO] [stdout] 10 ~             }
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `mynand` is never used
[INFO] [stdout]   --> src/bin/48.rs:11:4
[INFO] [stdout]    |
[INFO] [stdout] 11 | fn mynand(l : bool, r : bool) -> bool {
[INFO] [stdout]    |    ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `mynor` is never used
[INFO] [stdout]   --> src/bin/48.rs:15:4
[INFO] [stdout]    |
[INFO] [stdout] 15 | fn mynor(l : bool, r : bool) -> bool {
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `myxor` is never used
[INFO] [stdout]   --> src/bin/48.rs:19:4
[INFO] [stdout]    |
[INFO] [stdout] 19 | fn myxor(l : bool, r : bool) -> bool {
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `myimpl` is never used
[INFO] [stdout]   --> src/bin/48.rs:23:4
[INFO] [stdout]    |
[INFO] [stdout] 23 | fn myimpl(l : bool, r : bool) -> bool {
[INFO] [stdout]    |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.65s
[INFO] running `Command { std: "docker" "inspect" "1ae3971ba2c3c824078a82e66686313c0502acad49122d3765abff030f1fadab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ae3971ba2c3c824078a82e66686313c0502acad49122d3765abff030f1fadab", kill_on_drop: false }`
[INFO] [stdout] 1ae3971ba2c3c824078a82e66686313c0502acad49122d3765abff030f1fadab