[INFO] fetching crate special 0.8.1...
[INFO] testing special-0.8.1 against 1.49.0 for beta-1.50-1
[INFO] extracting crate special 0.8.1 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate special 0.8.1 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate special 0.8.1
[INFO] finished tweaking crates.io crate special 0.8.1
[INFO] tweaked toml for crates.io crate special 0.8.1 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 3ae57852396c56ea32eacec1c70b71962dc3847bb7e777c98181b45f714451b3
[INFO] running `Command { std: "docker" "start" "-a" "3ae57852396c56ea32eacec1c70b71962dc3847bb7e777c98181b45f714451b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3ae57852396c56ea32eacec1c70b71962dc3847bb7e777c98181b45f714451b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ae57852396c56ea32eacec1c70b71962dc3847bb7e777c98181b45f714451b3", kill_on_drop: false }`
[INFO] [stdout] 3ae57852396c56ea32eacec1c70b71962dc3847bb7e777c98181b45f714451b3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 05d7354cba2c31fae65ebf407b7dd7c99c40d074135844448109d91bd4cf359f
[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" "05d7354cba2c31fae65ebf407b7dd7c99c40d074135844448109d91bd4cf359f", kill_on_drop: false }`
[INFO] [stderr]    Compiling special v0.8.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: attribute should be applied to a foreign function or static
[INFO] [stdout]   --> src/math.rs:1:1
[INFO] [stdout]    |
[INFO] [stdout] 1  | #![link_name = "m"]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    | 
[INFO] [stdout]   ::: src/lib.rs:14:1
[INFO] [stdout]    |
[INFO] [stdout] 14 | mod math;
[INFO] [stdout]    | --------- not a foreign function or static
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_attributes)]` on by default
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.70s
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "05d7354cba2c31fae65ebf407b7dd7c99c40d074135844448109d91bd4cf359f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "05d7354cba2c31fae65ebf407b7dd7c99c40d074135844448109d91bd4cf359f", kill_on_drop: false }`
[INFO] [stdout] 05d7354cba2c31fae65ebf407b7dd7c99c40d074135844448109d91bd4cf359f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 168c39ddffbf83d38cc718f63df8f5ec2c7d0d72da3197c7f01bb2ae6867055d
[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" "168c39ddffbf83d38cc718f63df8f5ec2c7d0d72da3197c7f01bb2ae6867055d", kill_on_drop: false }`
[INFO] [stderr]    Compiling assert v0.7.4
[INFO] [stderr]    Compiling random v0.12.2
[INFO] [stdout] warning: attribute should be applied to a foreign function or static
[INFO] [stdout]   --> src/math.rs:1:1
[INFO] [stdout]    |
[INFO] [stdout] 1  | #![link_name = "m"]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    | 
[INFO] [stdout]   ::: src/lib.rs:14:1
[INFO] [stdout]    |
[INFO] [stdout] 14 | mod math;
[INFO] [stdout]    | --------- not a foreign function or static
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_attributes)]` on by default
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling special v0.8.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: attribute should be applied to a foreign function or static
[INFO] [stdout]   --> src/math.rs:1:1
[INFO] [stdout]    |
[INFO] [stdout] 1  | #![link_name = "m"]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    | 
[INFO] [stdout]   ::: src/lib.rs:14:1
[INFO] [stdout]    |
[INFO] [stdout] 14 | mod math;
[INFO] [stdout]    | --------- not a foreign function or static
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_attributes)]` on by default
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.23s
[INFO] running `Command { std: "docker" "inspect" "168c39ddffbf83d38cc718f63df8f5ec2c7d0d72da3197c7f01bb2ae6867055d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "168c39ddffbf83d38cc718f63df8f5ec2c7d0d72da3197c7f01bb2ae6867055d", kill_on_drop: false }`
[INFO] [stdout] 168c39ddffbf83d38cc718f63df8f5ec2c7d0d72da3197c7f01bb2ae6867055d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d6487819d45692b612a01a0f8942e0e41dcf1828e01a3a869616bb1004f277f4
[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" "d6487819d45692b612a01a0f8942e0e41dcf1828e01a3a869616bb1004f277f4", kill_on_drop: false }`
[INFO] [stderr] warning: attribute should be applied to a foreign function or static
[INFO] [stderr]   --> src/math.rs:1:1
[INFO] [stderr]    |
[INFO] [stderr] 1  | #![link_name = "m"]
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    | 
[INFO] [stderr]   ::: src/lib.rs:14:1
[INFO] [stderr]    |
[INFO] [stderr] 14 | mod math;
[INFO] [stderr]    | --------- not a foreign function or static
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_attributes)]` on by default
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: attribute should be applied to a foreign function or static
[INFO] [stderr]   --> src/math.rs:1:1
[INFO] [stderr]    |
[INFO] [stderr] 1  | #![link_name = "m"]
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    | 
[INFO] [stderr]   ::: src/lib.rs:14:1
[INFO] [stderr]    |
[INFO] [stderr] 14 | mod math;
[INFO] [stderr]    | --------- not a foreign function or static
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_attributes)]` on by default
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/special-1fa5bf847f36b220
[INFO] [stdout] 
[INFO] [stdout] running 12 tests
[INFO] [stdout] test beta::tests::inv_inc_beta_large ... ok
[INFO] [stdout] test beta::tests::ln_beta ... ok
[INFO] [stdout] test error::tests::inv_error_positive ... ok
[INFO] [stdout] test error::tests::inv_error_negative ... ok
[INFO] [stdout] test beta::tests::inv_inc_beta_small ... ok
[INFO] [stdout] test gamma::tests::inc_gamma_small_p ... ok
[INFO] [stdout] test gamma::tests::trigamma ... ok
[INFO] [stdout] test gamma::tests::inc_gamma_large_p ... ok
[INFO] [stdout] test error::tests::inv_error_zero ... ok
[INFO] [stdout] test beta::tests::inc_beta_large ... ok
[INFO] [stdout] test gamma::tests::digamma ... ok
[INFO] [stdout] test beta::tests::inc_beta_small ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 12 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests special
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/gamma.rs - gamma::Gamma::digamma (line 24) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "d6487819d45692b612a01a0f8942e0e41dcf1828e01a3a869616bb1004f277f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d6487819d45692b612a01a0f8942e0e41dcf1828e01a3a869616bb1004f277f4", kill_on_drop: false }`
[INFO] [stdout] d6487819d45692b612a01a0f8942e0e41dcf1828e01a3a869616bb1004f277f4