[INFO] cloning repository https://github.com/Keverne/md-prep-test
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Keverne/md-prep-test" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKeverne%2Fmd-prep-test", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKeverne%2Fmd-prep-test'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 69cb077bc78367a5372ae4cb48a91b3c64ab2f41
[INFO] testing Keverne/md-prep-test against try#ce59db7a1b1b012fb2793c4641c1bdecad7a128b for pr-85530
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKeverne%2Fmd-prep-test" "/workspace/builds/worker-10/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Keverne/md-prep-test on toolchain ce59db7a1b1b012fb2793c4641c1bdecad7a128b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Keverne/md-prep-test
[INFO] finished tweaking git repo https://github.com/Keverne/md-prep-test
[INFO] tweaked toml for git repo https://github.com/Keverne/md-prep-test written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/Keverne/md-prep-test already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9f94f45064d3cb904f8c2dc69987c84110d0e3b4ed02df2b0f58427440b4b548
[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" "9f94f45064d3cb904f8c2dc69987c84110d0e3b4ed02df2b0f58427440b4b548", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9f94f45064d3cb904f8c2dc69987c84110d0e3b4ed02df2b0f58427440b4b548", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9f94f45064d3cb904f8c2dc69987c84110d0e3b4ed02df2b0f58427440b4b548", kill_on_drop: false }`
[INFO] [stdout] 9f94f45064d3cb904f8c2dc69987c84110d0e3b4ed02df2b0f58427440b4b548
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 390a9916810a8322abd0ca939764048dfe7c587452a04a40ebfe27662e7745a4
[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" "390a9916810a8322abd0ca939764048dfe7c587452a04a40ebfe27662e7745a4", kill_on_drop: false }`
[INFO] [stderr]    Compiling md-prep v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `minim_output`
[INFO] [stdout]   --> src/main.rs:31:25
[INFO] [stdout]    |
[INFO] [stdout] 31 |             if let Some(minim_output) = minimization.stdout.take() {
[INFO] [stdout]    |                         ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_minim_output`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `heat_output`
[INFO] [stdout]   --> src/main.rs:55:29
[INFO] [stdout]    |
[INFO] [stdout] 55 |                 if let Some(heat_output) = first_heat.stdout.take() {
[INFO] [stdout]    |                             ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_heat_output`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `heat_output`
[INFO] [stdout]   --> src/main.rs:79:33
[INFO] [stdout]    |
[INFO] [stdout] 79 |                     if let Some(heat_output) = first_heat.stdout.take() {
[INFO] [stdout]    |                                 ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_heat_output`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.02s
[INFO] running `Command { std: "docker" "inspect" "390a9916810a8322abd0ca939764048dfe7c587452a04a40ebfe27662e7745a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "390a9916810a8322abd0ca939764048dfe7c587452a04a40ebfe27662e7745a4", kill_on_drop: false }`
[INFO] [stdout] 390a9916810a8322abd0ca939764048dfe7c587452a04a40ebfe27662e7745a4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 60ffb3269153d613f0c0e209ab7ec1394e6bfa79b49bc610e598b37b76c0fb06
[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" "60ffb3269153d613f0c0e209ab7ec1394e6bfa79b49bc610e598b37b76c0fb06", kill_on_drop: false }`
[INFO] [stderr]    Compiling md-prep v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `minim_output`
[INFO] [stdout]   --> src/main.rs:31:25
[INFO] [stdout]    |
[INFO] [stdout] 31 |             if let Some(minim_output) = minimization.stdout.take() {
[INFO] [stdout]    |                         ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_minim_output`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `heat_output`
[INFO] [stdout]   --> src/main.rs:55:29
[INFO] [stdout]    |
[INFO] [stdout] 55 |                 if let Some(heat_output) = first_heat.stdout.take() {
[INFO] [stdout]    |                             ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_heat_output`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `heat_output`
[INFO] [stdout]   --> src/main.rs:79:33
[INFO] [stdout]    |
[INFO] [stdout] 79 |                     if let Some(heat_output) = first_heat.stdout.take() {
[INFO] [stdout]    |                                 ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_heat_output`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.70s
[INFO] running `Command { std: "docker" "inspect" "60ffb3269153d613f0c0e209ab7ec1394e6bfa79b49bc610e598b37b76c0fb06", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "60ffb3269153d613f0c0e209ab7ec1394e6bfa79b49bc610e598b37b76c0fb06", kill_on_drop: false }`
[INFO] [stdout] 60ffb3269153d613f0c0e209ab7ec1394e6bfa79b49bc610e598b37b76c0fb06
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 05552f4dcb18d395a8246316768948791d8071df4cfbf1949db166f97665d720
[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" "05552f4dcb18d395a8246316768948791d8071df4cfbf1949db166f97665d720", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `minim_output`
[INFO] [stderr]   --> src/main.rs:31:25
[INFO] [stderr]    |
[INFO] [stderr] 31 |             if let Some(minim_output) = minimization.stdout.take() {
[INFO] [stderr]    |                         ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_minim_output`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `heat_output`
[INFO] [stderr]   --> src/main.rs:55:29
[INFO] [stderr]    |
[INFO] [stderr] 55 |                 if let Some(heat_output) = first_heat.stdout.take() {
[INFO] [stderr]    |                             ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_heat_output`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `heat_output`
[INFO] [stderr]   --> src/main.rs:79:33
[INFO] [stderr]    |
[INFO] [stderr] 79 |                     if let Some(heat_output) = first_heat.stdout.take() {
[INFO] [stderr]    |                                 ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_heat_output`
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/md_prep-f45af7908badfc20)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "05552f4dcb18d395a8246316768948791d8071df4cfbf1949db166f97665d720", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "05552f4dcb18d395a8246316768948791d8071df4cfbf1949db166f97665d720", kill_on_drop: false }`
[INFO] [stdout] 05552f4dcb18d395a8246316768948791d8071df4cfbf1949db166f97665d720