[INFO] cloning repository https://github.com/Mrwerdo/bmath
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Mrwerdo/bmath" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMrwerdo%2Fbmath", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMrwerdo%2Fbmath'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ca7456365a81e6e2ebf9d09c5ddd10506bcac2f3
[INFO] testing Mrwerdo/bmath against 1.55.0 for beta-1.56-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMrwerdo%2Fbmath" "/workspace/builds/worker-53/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-53/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Mrwerdo/bmath on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Mrwerdo/bmath
[INFO] finished tweaking git repo https://github.com/Mrwerdo/bmath
[INFO] tweaked toml for git repo https://github.com/Mrwerdo/bmath written to /workspace/builds/worker-53/source/Cargo.toml
[INFO] crate git repo https://github.com/Mrwerdo/bmath already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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-53/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-53/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a2caccf43a9d839aa5a465b9b5887c2e5e90c33ebc2313ae1e57a0da10c9f404
[INFO] running `Command { std: "docker" "start" "-a" "a2caccf43a9d839aa5a465b9b5887c2e5e90c33ebc2313ae1e57a0da10c9f404", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a2caccf43a9d839aa5a465b9b5887c2e5e90c33ebc2313ae1e57a0da10c9f404", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a2caccf43a9d839aa5a465b9b5887c2e5e90c33ebc2313ae1e57a0da10c9f404", kill_on_drop: false }`
[INFO] [stdout] a2caccf43a9d839aa5a465b9b5887c2e5e90c33ebc2313ae1e57a0da10c9f404
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-53/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-53/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 536eaf33878564bea2c751af1a2d2ca2073f5432d8570b8ec21576ee30d5107c
[INFO] running `Command { std: "docker" "start" "-a" "536eaf33878564bea2c751af1a2d2ca2073f5432d8570b8ec21576ee30d5107c", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling smallvec v1.6.1
[INFO] [stderr]    Compiling endian-type v0.1.2
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling unicode-segmentation v1.8.0
[INFO] [stderr]    Compiling utf8parse v0.2.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-bigint v0.4.0
[INFO] [stderr]    Compiling num-rational v0.4.0
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling nibble_vec v0.1.0
[INFO] [stderr]    Compiling radix_trie v0.2.1
[INFO] [stderr]    Compiling num-complex v0.4.0
[INFO] [stderr]    Compiling dirs-sys-next v0.1.2
[INFO] [stderr]    Compiling fd-lock v2.0.0
[INFO] [stderr]    Compiling nix v0.20.0
[INFO] [stderr]    Compiling dirs-next v2.0.0
[INFO] [stderr]    Compiling rustyline v8.2.0
[INFO] [stderr]    Compiling num v0.4.0
[INFO] [stderr]    Compiling bmath v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant is never constructed: `Integer`
[INFO] [stdout]   --> src/objects.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     Integer(Integer),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Real`
[INFO] [stdout]   --> src/objects.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     Real(Real),
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Vector`
[INFO] [stdout]   --> src/objects.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     Vector(Vector)
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `convert`
[INFO] [stdout]   --> src/objects.rs:84:12
[INFO] [stdout]    |
[INFO] [stdout] 84 |     pub fn convert(self: &Self, target_type: ObjectType) -> Result<Object, ConversionFailure> {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 02s
[INFO] running `Command { std: "docker" "inspect" "536eaf33878564bea2c751af1a2d2ca2073f5432d8570b8ec21576ee30d5107c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "536eaf33878564bea2c751af1a2d2ca2073f5432d8570b8ec21576ee30d5107c", kill_on_drop: false }`
[INFO] [stdout] 536eaf33878564bea2c751af1a2d2ca2073f5432d8570b8ec21576ee30d5107c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-53/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-53/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7d4635cce6297a9957065dd9fa7fd65f86f2aab5ef1ebc0d6fb6a2ae81c339b1
[INFO] running `Command { std: "docker" "start" "-a" "7d4635cce6297a9957065dd9fa7fd65f86f2aab5ef1ebc0d6fb6a2ae81c339b1", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling bmath v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant is never constructed: `Integer`
[INFO] [stdout]   --> src/objects.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     Integer(Integer),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Real`
[INFO] [stdout]   --> src/objects.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     Real(Real),
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Vector`
[INFO] [stdout]   --> src/objects.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     Vector(Vector)
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `convert`
[INFO] [stdout]   --> src/objects.rs:84:12
[INFO] [stdout]    |
[INFO] [stdout] 84 |     pub fn convert(self: &Self, target_type: ObjectType) -> Result<Object, ConversionFailure> {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.48s
[INFO] running `Command { std: "docker" "inspect" "7d4635cce6297a9957065dd9fa7fd65f86f2aab5ef1ebc0d6fb6a2ae81c339b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d4635cce6297a9957065dd9fa7fd65f86f2aab5ef1ebc0d6fb6a2ae81c339b1", kill_on_drop: false }`
[INFO] [stdout] 7d4635cce6297a9957065dd9fa7fd65f86f2aab5ef1ebc0d6fb6a2ae81c339b1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-53/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-53/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 283585d640ddd0ffc71c7a80cd22e5dd32ee8f5b3fdb151eee3cdd790b03a734
[INFO] running `Command { std: "docker" "start" "-a" "283585d640ddd0ffc71c7a80cd22e5dd32ee8f5b3fdb151eee3cdd790b03a734", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: variant is never constructed: `Integer`
[INFO] [stderr]   --> src/objects.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 |     Integer(Integer),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Real`
[INFO] [stderr]   --> src/objects.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 |     Real(Real),
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Vector`
[INFO] [stderr]   --> src/objects.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 |     Vector(Vector)
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `convert`
[INFO] [stderr]   --> src/objects.rs:84:12
[INFO] [stderr]    |
[INFO] [stderr] 84 |     pub fn convert(self: &Self, target_type: ObjectType) -> Result<Object, ConversionFailure> {
[INFO] [stderr]    |            ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `bmath` (bin "bmath" test) generated 4 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.80s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/bmath-8e2ac04648c67ab7)
[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" "283585d640ddd0ffc71c7a80cd22e5dd32ee8f5b3fdb151eee3cdd790b03a734", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "283585d640ddd0ffc71c7a80cd22e5dd32ee8f5b3fdb151eee3cdd790b03a734", kill_on_drop: false }`
[INFO] [stdout] 283585d640ddd0ffc71c7a80cd22e5dd32ee8f5b3fdb151eee3cdd790b03a734