[INFO] fetching crate randish_rs 0.1.0...
[INFO] checking randish_rs-0.1.0 against try#998b6603a58e47f42ccce7a67943234e96b6839e for pr-143170
[INFO] extracting crate randish_rs 0.1.0 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate randish_rs 0.1.0
[INFO] finished tweaking crates.io crate randish_rs 0.1.0
[INFO] tweaked toml for crates.io crate randish_rs 0.1.0 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate randish_rs 0.1.0 on toolchain 998b6603a58e47f42ccce7a67943234e96b6839e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e7e8f8afb8fd6be0f7874ebeb42ecfe575f5708a038612fca0047e4e53354daf
[INFO] running `Command { std: "docker" "start" "-a" "e7e8f8afb8fd6be0f7874ebeb42ecfe575f5708a038612fca0047e4e53354daf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e7e8f8afb8fd6be0f7874ebeb42ecfe575f5708a038612fca0047e4e53354daf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e7e8f8afb8fd6be0f7874ebeb42ecfe575f5708a038612fca0047e4e53354daf", kill_on_drop: false }`
[INFO] [stdout] e7e8f8afb8fd6be0f7874ebeb42ecfe575f5708a038612fca0047e4e53354daf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 80cc3aa8f8af39ba7f320bb2fff89c70269d5556abeebc1fabcbfcc3ebe27b4e
[INFO] running `Command { std: "docker" "start" "-a" "80cc3aa8f8af39ba7f320bb2fff89c70269d5556abeebc1fabcbfcc3ebe27b4e", kill_on_drop: false }`
[INFO] [stderr]     Checking randish_rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `x0` is never read
[INFO] [stdout]  --> src/seed.rs:5:2
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct Seed {
[INFO] [stdout]   |            ---- field in this struct
[INFO] [stdout] 4 |     params: LCGParams,
[INFO] [stdout] 5 |     x0: u32,
[INFO] [stdout]   |     ^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `create_predictable_LCGParams` should have a snake case name
[INFO] [stdout]  --> src/lib.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     fn create_predictable_LCGParams() {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `create_predictable_lcgparams`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `x0` is never read
[INFO] [stdout]  --> src/seed.rs:5:2
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct Seed {
[INFO] [stdout]   |            ---- field in this struct
[INFO] [stdout] 4 |     params: LCGParams,
[INFO] [stdout] 5 |     x0: u32,
[INFO] [stdout]   |     ^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.25s
[INFO] running `Command { std: "docker" "inspect" "80cc3aa8f8af39ba7f320bb2fff89c70269d5556abeebc1fabcbfcc3ebe27b4e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "80cc3aa8f8af39ba7f320bb2fff89c70269d5556abeebc1fabcbfcc3ebe27b4e", kill_on_drop: false }`
[INFO] [stdout] 80cc3aa8f8af39ba7f320bb2fff89c70269d5556abeebc1fabcbfcc3ebe27b4e