[INFO] cloning repository https://github.com/mCaptcha/cache
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mCaptcha/cache" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FmCaptcha%2Fcache", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FmCaptcha%2Fcache'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 67d6c701baa804849abc53a78422a6da01358487
[INFO] checking mCaptcha/cache against try#7caa343c25a692951246ea2f0664520b9c3f46da for pr-95985
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FmCaptcha%2Fcache" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mCaptcha/cache on toolchain 7caa343c25a692951246ea2f0664520b9c3f46da
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7caa343c25a692951246ea2f0664520b9c3f46da" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mCaptcha/cache
[INFO] finished tweaking git repo https://github.com/mCaptcha/cache
[INFO] tweaked toml for git repo https://github.com/mCaptcha/cache written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/mCaptcha/cache already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7caa343c25a692951246ea2f0664520b9c3f46da" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:83125433e4fff17b1ac56874832f668d9df75ee638575aca552b68e127bedee9" "/opt/rustwide/cargo-home/bin/cargo" "+7caa343c25a692951246ea2f0664520b9c3f46da" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1a1da596605d983dfe468505a4f2222ed0d2a5ca32cfb91915dc807453ad20c2
[INFO] running `Command { std: "docker" "start" "-a" "1a1da596605d983dfe468505a4f2222ed0d2a5ca32cfb91915dc807453ad20c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1a1da596605d983dfe468505a4f2222ed0d2a5ca32cfb91915dc807453ad20c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a1da596605d983dfe468505a4f2222ed0d2a5ca32cfb91915dc807453ad20c2", kill_on_drop: false }`
[INFO] [stdout] 1a1da596605d983dfe468505a4f2222ed0d2a5ca32cfb91915dc807453ad20c2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:83125433e4fff17b1ac56874832f668d9df75ee638575aca552b68e127bedee9" "/opt/rustwide/cargo-home/bin/cargo" "+7caa343c25a692951246ea2f0664520b9c3f46da" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2ff4046bfbbdb4fabfe32bf189a4e5e8fe9105588069cb8b3e42a46a178e5494
[INFO] running `Command { std: "docker" "start" "-a" "2ff4046bfbbdb4fabfe32bf189a4e5e8fe9105588069cb8b3e42a46a178e5494", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.40
[INFO] [stderr]    Compiling quote v1.0.20
[INFO] [stderr]    Compiling unicode-ident v1.0.2
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling syn v1.0.98
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling regex-syntax v0.6.27
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]    Compiling minimal-lexical v0.2.1
[INFO] [stderr]    Compiling unicode-width v0.1.9
[INFO] [stderr]    Compiling libloading v0.7.3
[INFO] [stderr]    Compiling termcolor v1.1.3
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling either v1.7.0
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling ansi_term v0.12.1
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling serde_derive v1.0.140
[INFO] [stderr]    Compiling bindgen v0.59.2
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling humantime v2.1.0
[INFO] [stderr]    Compiling peeking_take_while v0.1.2
[INFO] [stderr]    Compiling clang-sys v1.3.3
[INFO] [stderr]    Compiling lazycell v1.3.0
[INFO] [stderr]    Compiling rustversion v1.0.8
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling nom v7.1.1
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]    Compiling shlex v1.1.0
[INFO] [stderr]    Compiling serde v1.0.140
[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]    Compiling tokio v1.20.0
[INFO] [stderr]     Checking getrandom v0.2.7
[INFO] [stderr]    Compiling serde_json v1.0.82
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling which v4.2.5
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]     Checking gimli v0.26.2
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]     Checking miniz_oxide v0.5.3
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]    Compiling regex v1.6.0
[INFO] [stderr]    Compiling backtrace v0.3.66
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]     Checking object v0.29.0
[INFO] [stderr]     Checking itoa v1.0.2
[INFO] [stderr]     Checking ryu v1.0.10
[INFO] [stderr]     Checking rustc-demangle v0.1.21
[INFO] [stderr]    Compiling convert_case v0.4.0
[INFO] [stderr]     Checking pin-project-lite v0.2.9
[INFO] [stderr]     Checking ppv-lite86 v0.2.16
[INFO] [stderr]    Compiling num-traits v0.1.43
[INFO] [stderr]    Compiling heck v0.4.0
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]    Compiling cexpr v0.6.0
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]    Compiling env_logger v0.9.0
[INFO] [stderr]    Compiling enum-primitive-derive v0.1.2
[INFO] [stderr]     Checking addr2line v0.17.0
[INFO] [stderr]    Compiling darling_core v0.12.4
[INFO] [stderr]    Compiling derive_more v0.99.17
[INFO] [stderr]    Compiling strum_macros v0.24.2
[INFO] [stderr]    Compiling darling_macro v0.12.4
[INFO] [stderr]    Compiling darling v0.12.4
[INFO] [stderr]    Compiling derive_builder_core v0.10.2
[INFO] [stderr]    Compiling redis-module v1.0.1
[INFO] [stderr]    Compiling derive_builder_macro v0.10.2
[INFO] [stderr]     Checking derive_builder v0.10.2
[INFO] [stderr]     Checking libmcaptcha v0.1.4 (https://github.com/mCaptcha/libmcaptcha?branch=master#374dcc93)
[INFO] [stderr]     Checking mcaptcha-cache v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused return value of `Box::<T>::from_raw` that must be used
[INFO] [stdout]    --> src/bucket.rs:306:9
[INFO] [stdout]     |
[INFO] [stdout] 306 |         Box::from_raw(val);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: call `drop(from_raw(ptr))` if you intend to drop the `Box`
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Box::<T>::from_raw` that must be used
[INFO] [stdout]    --> src/bucket.rs:306:9
[INFO] [stdout]     |
[INFO] [stdout] 306 |         Box::from_raw(val);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: call `drop(from_raw(ptr))` if you intend to drop the `Box`
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Box::<T>::from_raw` that must be used
[INFO] [stdout]    --> src/challenge.rs:161:9
[INFO] [stdout]     |
[INFO] [stdout] 161 |         Box::from_raw(val);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: call `drop(from_raw(ptr))` if you intend to drop the `Box`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Box::<T>::from_raw` that must be used
[INFO] [stdout]    --> src/challenge.rs:161:9
[INFO] [stdout]     |
[INFO] [stdout] 161 |         Box::from_raw(val);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: call `drop(from_raw(ptr))` if you intend to drop the `Box`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Box::<T>::from_raw` that must be used
[INFO] [stdout]    --> src/mcaptcha.rs:271:9
[INFO] [stdout]     |
[INFO] [stdout] 271 |         Box::from_raw(val);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: call `drop(from_raw(ptr))` if you intend to drop the `Box`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Box::<T>::from_raw` that must be used
[INFO] [stdout]    --> src/mcaptcha.rs:271:9
[INFO] [stdout]     |
[INFO] [stdout] 271 |         Box::from_raw(val);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: call `drop(from_raw(ptr))` if you intend to drop the `Box`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Box::<T>::from_raw` that must be used
[INFO] [stdout]    --> src/safety.rs:228:9
[INFO] [stdout]     |
[INFO] [stdout] 228 |         Box::from_raw(val);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: call `drop(from_raw(ptr))` if you intend to drop the `Box`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Box::<T>::from_raw` that must be used
[INFO] [stdout]    --> src/safety.rs:228:9
[INFO] [stdout]     |
[INFO] [stdout] 228 |         Box::from_raw(val);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: call `drop(from_raw(ptr))` if you intend to drop the `Box`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 35.80s
[INFO] running `Command { std: "docker" "inspect" "2ff4046bfbbdb4fabfe32bf189a4e5e8fe9105588069cb8b3e42a46a178e5494", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ff4046bfbbdb4fabfe32bf189a4e5e8fe9105588069cb8b3e42a46a178e5494", kill_on_drop: false }`
[INFO] [stdout] 2ff4046bfbbdb4fabfe32bf189a4e5e8fe9105588069cb8b3e42a46a178e5494