[INFO] fetching crate caml 0.1.1...
[INFO] testing caml-0.1.1 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate caml 0.1.1 into /workspace/builds/worker-25/source
[INFO] validating manifest of crates.io crate caml 0.1.1 on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate caml 0.1.1
[INFO] finished tweaking crates.io crate caml 0.1.1
[INFO] tweaked toml for crates.io crate caml 0.1.1 written to /workspace/builds/worker-25/source/Cargo.toml
[INFO] crate crates.io crate caml 0.1.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "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-25/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 47cf9e3e32ff9bb993aa82c515b49029ada51793c6d194924d64d0fc3e92c7cd
[INFO] running `Command { std: "docker" "start" "-a" "47cf9e3e32ff9bb993aa82c515b49029ada51793c6d194924d64d0fc3e92c7cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "47cf9e3e32ff9bb993aa82c515b49029ada51793c6d194924d64d0fc3e92c7cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "47cf9e3e32ff9bb993aa82c515b49029ada51793c6d194924d64d0fc3e92c7cd", kill_on_drop: false }`
[INFO] [stdout] 47cf9e3e32ff9bb993aa82c515b49029ada51793c6d194924d64d0fc3e92c7cd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 24d17b21eb2631304f3a2860eac1440074e9a4d2e424c53689b683ec66be36fe
[INFO] running `Command { std: "docker" "start" "-a" "24d17b21eb2631304f3a2860eac1440074e9a4d2e424c53689b683ec66be36fe", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling syn v1.0.54
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]    Compiling serde_derive v1.0.118
[INFO] [stderr]    Compiling serde v1.0.118
[INFO] [stderr]    Compiling unicode-segmentation v1.7.1
[INFO] [stderr]    Compiling linked-hash-map v0.5.3
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling yaml-rust v0.4.4
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling structopt-derive v0.4.14
[INFO] [stderr]    Compiling structopt v0.3.21
[INFO] [stderr]    Compiling serde_yaml v0.8.14
[INFO] [stderr]    Compiling caml v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `find_config`
[INFO] [stdout]   --> src/caml/config.rs:10:4
[INFO] [stdout]    |
[INFO] [stdout] 10 | fn find_config() {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `find_config`
[INFO] [stdout]   --> src/caml/config.rs:10:4
[INFO] [stdout]    |
[INFO] [stdout] 10 | fn find_config() {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.98s
[INFO] running `Command { std: "docker" "inspect" "24d17b21eb2631304f3a2860eac1440074e9a4d2e424c53689b683ec66be36fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "24d17b21eb2631304f3a2860eac1440074e9a4d2e424c53689b683ec66be36fe", kill_on_drop: false }`
[INFO] [stdout] 24d17b21eb2631304f3a2860eac1440074e9a4d2e424c53689b683ec66be36fe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 211eb2ec3104859777db620534ad3a70d56926b8878d8eed596e4fc796d8da16
[INFO] running `Command { std: "docker" "start" "-a" "211eb2ec3104859777db620534ad3a70d56926b8878d8eed596e4fc796d8da16", kill_on_drop: false }`
[INFO] [stderr]    Compiling caml v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `find_config`
[INFO] [stdout]   --> src/caml/config.rs:10:4
[INFO] [stdout]    |
[INFO] [stdout] 10 | fn find_config() {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `find_config`
[INFO] [stdout]   --> src/caml/config.rs:10:4
[INFO] [stdout]    |
[INFO] [stdout] 10 | fn find_config() {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `find_config`
[INFO] [stdout]   --> src/caml/config.rs:10:4
[INFO] [stdout]    |
[INFO] [stdout] 10 | fn find_config() {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.80s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/caml-9645aae10b1d0b2b)
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/caml-000199aea85b22de)
[INFO] running `Command { std: "docker" "inspect" "211eb2ec3104859777db620534ad3a70d56926b8878d8eed596e4fc796d8da16", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "211eb2ec3104859777db620534ad3a70d56926b8878d8eed596e4fc796d8da16", kill_on_drop: false }`
[INFO] [stdout] 211eb2ec3104859777db620534ad3a70d56926b8878d8eed596e4fc796d8da16
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 262cec7cac13cd17c85a9c2134480446a931c6a84bf117d27f5d2295dde8ffa6
[INFO] running `Command { std: "docker" "start" "-a" "262cec7cac13cd17c85a9c2134480446a931c6a84bf117d27f5d2295dde8ffa6", kill_on_drop: false }`
[INFO] [stderr] warning: function is never used: `find_config`
[INFO] [stderr]   --> src/caml/config.rs:10:4
[INFO] [stderr]    |
[INFO] [stderr] 10 | fn find_config() {
[INFO] [stderr]    |    ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `caml` (lib) generated 1 warning
[INFO] [stderr] warning: `caml` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr] warning: `caml` (bin "caml" test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/caml-9645aae10b1d0b2b)
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/caml-000199aea85b22de)
[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] [stderr]    Doc-tests caml
[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] [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" "262cec7cac13cd17c85a9c2134480446a931c6a84bf117d27f5d2295dde8ffa6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "262cec7cac13cd17c85a9c2134480446a931c6a84bf117d27f5d2295dde8ffa6", kill_on_drop: false }`
[INFO] [stdout] 262cec7cac13cd17c85a9c2134480446a931c6a84bf117d27f5d2295dde8ffa6