[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] checking Checkmate50/rust99problems against master#5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f for pr-87248
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCheckmate50%2Frust99problems" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Checkmate50/rust99problems on toolchain 5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "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/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: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 153d3af8ed428a2cd4cee4e98efe7aa516e4d2c138ece960ad3bec7e43189e27
[INFO] running `Command { std: "docker" "start" "-a" "153d3af8ed428a2cd4cee4e98efe7aa516e4d2c138ece960ad3bec7e43189e27", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "153d3af8ed428a2cd4cee4e98efe7aa516e4d2c138ece960ad3bec7e43189e27", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "153d3af8ed428a2cd4cee4e98efe7aa516e4d2c138ece960ad3bec7e43189e27", kill_on_drop: false }`
[INFO] [stdout] 153d3af8ed428a2cd4cee4e98efe7aa516e4d2c138ece960ad3bec7e43189e27
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 20a1072264bb437f75189088b27881a27bd700fc98e2b366fc002bd173126aee
[INFO] running `Command { std: "docker" "start" "-a" "20a1072264bb437f75189088b27881a27bd700fc98e2b366fc002bd173126aee", kill_on_drop: false }`
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking rand_core v0.6.2
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]     Checking rand v0.8.3
[INFO] [stderr]     Checking r99p v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `mynand`
[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 is never used: `mynor`
[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 is never used: `myxor`
[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 is never used: `myimpl`
[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 is never used: `myequ`
[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: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `mynand`
[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 is never used: `mynor`
[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 is never used: `myxor`
[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 is never used: `myimpl`
[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 is never used: `myequ`
[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: function is never used: `mynand`
[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 is never used: `mynor`
[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 is never used: `myxor`
[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 is never used: `myimpl`
[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: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `mynand`
[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 is never used: `mynor`
[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 is never used: `myxor`
[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 is never used: `myimpl`
[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 is never used: `myequ`
[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: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `mynand`
[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 is never used: `mynor`
[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 is never used: `myxor`
[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 is never used: `myimpl`
[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 is never used: `myequ`
[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 is never used: `mynand`
[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 is never used: `mynor`
[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 is never used: `myxor`
[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 is never used: `myimpl`
[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: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.78s
[INFO] running `Command { std: "docker" "inspect" "20a1072264bb437f75189088b27881a27bd700fc98e2b366fc002bd173126aee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "20a1072264bb437f75189088b27881a27bd700fc98e2b366fc002bd173126aee", kill_on_drop: false }`
[INFO] [stdout] 20a1072264bb437f75189088b27881a27bd700fc98e2b366fc002bd173126aee