[INFO] cloning repository https://github.com/samiBendou/mainmatter-redis
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/samiBendou/mainmatter-redis" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FsamiBendou%2Fmainmatter-redis", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FsamiBendou%2Fmainmatter-redis'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2ea60126ddae3a40a58f0fb8395c6e30ea13d675
[INFO] building samiBendou/mainmatter-redis against try#58b1b3c5342a414c161338871f8004258ccef2a7 for pr-149937
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FsamiBendou%2Fmainmatter-redis" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/samiBendou/mainmatter-redis
[INFO] finished tweaking git repo https://github.com/samiBendou/mainmatter-redis
[INFO] tweaked toml for git repo https://github.com/samiBendou/mainmatter-redis written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/samiBendou/mainmatter-redis on toolchain 58b1b3c5342a414c161338871f8004258ccef2a7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+58b1b3c5342a414c161338871f8004258ccef2a7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/samiBendou/mainmatter-redis 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" "+58b1b3c5342a414c161338871f8004258ccef2a7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+58b1b3c5342a414c161338871f8004258ccef2a7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 75318307c754b39675b2aaf7c1c4b76fb14979872683c5030f2d49b3142a0ecf
[INFO] running `Command { std: "docker" "start" "-a" "75318307c754b39675b2aaf7c1c4b76fb14979872683c5030f2d49b3142a0ecf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "75318307c754b39675b2aaf7c1c4b76fb14979872683c5030f2d49b3142a0ecf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "75318307c754b39675b2aaf7c1c4b76fb14979872683c5030f2d49b3142a0ecf", kill_on_drop: false }`
[INFO] [stdout] 75318307c754b39675b2aaf7c1c4b76fb14979872683c5030f2d49b3142a0ecf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+58b1b3c5342a414c161338871f8004258ccef2a7" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a7b7c6be99c2b6540ca92cf3da14316711e5ea3eadd0d9958167de4970ea670c
[INFO] running `Command { std: "docker" "start" "-a" "a7b7c6be99c2b6540ca92cf3da14316711e5ea3eadd0d9958167de4970ea670c", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.177
[INFO] [stderr]    Compiling mainmatter-redis v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `label`
[INFO] [stdout]   --> src/main.rs:49:36
[INFO] [stdout]    |
[INFO] [stdout] 49 |     pub extern "C" fn TrieNode_Add(label: &[Rune]) {
[INFO] [stdout]    |                                    ^^^^^ help: if this is intentional, prefix it with an underscore: `_label`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `[u16]`, which is not FFI-safe
[INFO] [stdout]   --> src/main.rs:49:43
[INFO] [stdout]    |
[INFO] [stdout] 49 |     pub extern "C" fn TrieNode_Add(label: &[Rune]) {
[INFO] [stdout]    |                                           ^^^^^^^ not FFI-safe
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a raw pointer instead
[INFO] [stdout]    = note: slices have no C equivalent
[INFO] [stdout]    = note: `#[warn(improper_ctypes_definitions)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.29s
[INFO] running `Command { std: "docker" "inspect" "a7b7c6be99c2b6540ca92cf3da14316711e5ea3eadd0d9958167de4970ea670c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a7b7c6be99c2b6540ca92cf3da14316711e5ea3eadd0d9958167de4970ea670c", kill_on_drop: false }`
[INFO] [stdout] a7b7c6be99c2b6540ca92cf3da14316711e5ea3eadd0d9958167de4970ea670c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+58b1b3c5342a414c161338871f8004258ccef2a7" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 70adaae155d092373111f71dd39d444f774b32e69129920d59ba00cd0591637c
[INFO] running `Command { std: "docker" "start" "-a" "70adaae155d092373111f71dd39d444f774b32e69129920d59ba00cd0591637c", kill_on_drop: false }`
[INFO] [stderr]    Compiling mainmatter-redis v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `label`
[INFO] [stdout]   --> src/main.rs:49:36
[INFO] [stdout]    |
[INFO] [stdout] 49 |     pub extern "C" fn TrieNode_Add(label: &[Rune]) {
[INFO] [stdout]    |                                    ^^^^^ help: if this is intentional, prefix it with an underscore: `_label`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `[u16]`, which is not FFI-safe
[INFO] [stdout]   --> src/main.rs:49:43
[INFO] [stdout]    |
[INFO] [stdout] 49 |     pub extern "C" fn TrieNode_Add(label: &[Rune]) {
[INFO] [stdout]    |                                           ^^^^^^^ not FFI-safe
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a raw pointer instead
[INFO] [stdout]    = note: slices have no C equivalent
[INFO] [stdout]    = note: `#[warn(improper_ctypes_definitions)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.22s
[INFO] running `Command { std: "docker" "inspect" "70adaae155d092373111f71dd39d444f774b32e69129920d59ba00cd0591637c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "70adaae155d092373111f71dd39d444f774b32e69129920d59ba00cd0591637c", kill_on_drop: false }`
[INFO] [stdout] 70adaae155d092373111f71dd39d444f774b32e69129920d59ba00cd0591637c