[INFO] fetching crate rand_distr 0.4.2...
[INFO] checking rand_distr-0.4.2 against master#db1fb85cff63ad5fffe435e17128f99f9e1d970c for pr-89056
[INFO] extracting crate rand_distr 0.4.2 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate rand_distr 0.4.2 on toolchain db1fb85cff63ad5fffe435e17128f99f9e1d970c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rand_distr 0.4.2
[INFO] finished tweaking crates.io crate rand_distr 0.4.2
[INFO] tweaked toml for crates.io crate rand_distr 0.4.2 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "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] 69ae27183aa6f94bc79900f2b1200acdd3ba9dac8d4e48e6bae23d11ecc7d699
[INFO] running `Command { std: "docker" "start" "-a" "69ae27183aa6f94bc79900f2b1200acdd3ba9dac8d4e48e6bae23d11ecc7d699", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "69ae27183aa6f94bc79900f2b1200acdd3ba9dac8d4e48e6bae23d11ecc7d699", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "69ae27183aa6f94bc79900f2b1200acdd3ba9dac8d4e48e6bae23d11ecc7d699", kill_on_drop: false }`
[INFO] [stdout] 69ae27183aa6f94bc79900f2b1200acdd3ba9dac8d4e48e6bae23d11ecc7d699
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "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" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4467be26b424d7bdf32cce025167fbd6c58c7590195e09b4a83de73e6ac18402
[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" "4467be26b424d7bdf32cce025167fbd6c58c7590195e09b4a83de73e6ac18402", kill_on_drop: false }`
[INFO] [stderr]     Checking float-ord v0.3.2
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking special v0.8.1
[INFO] [stderr]     Checking easy-cast v0.4.4
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand_pcg v0.3.1
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]     Checking average v0.13.1
[INFO] [stderr]     Checking rand_distr v0.4.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `delta`
[INFO] [stdout]    --> src/gamma.rs:547:5
[INFO] [stdout]     |
[INFO] [stdout] 547 |     delta: N,
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `alpha`
[INFO] [stdout]   --> src/normal_inverse_gaussian.rs:37:5
[INFO] [stdout]    |
[INFO] [stdout] 37 |     alpha: F,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `n`
[INFO] [stdout]    --> src/zipf.rs:148:5
[INFO] [stdout]     |
[INFO] [stdout] 148 |     n: F,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `delta`
[INFO] [stdout]    --> src/gamma.rs:547:5
[INFO] [stdout]     |
[INFO] [stdout] 547 |     delta: N,
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `alpha`
[INFO] [stdout]   --> src/normal_inverse_gaussian.rs:37:5
[INFO] [stdout]    |
[INFO] [stdout] 37 |     alpha: F,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `n`
[INFO] [stdout]    --> src/zipf.rs:148:5
[INFO] [stdout]     |
[INFO] [stdout] 148 |     n: F,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.72s
[INFO] running `Command { std: "docker" "inspect" "4467be26b424d7bdf32cce025167fbd6c58c7590195e09b4a83de73e6ac18402", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4467be26b424d7bdf32cce025167fbd6c58c7590195e09b4a83de73e6ac18402", kill_on_drop: false }`
[INFO] [stdout] 4467be26b424d7bdf32cce025167fbd6c58c7590195e09b4a83de73e6ac18402