[INFO] fetching crate rs_box 0.0.25...
[INFO] checking rs_box-0.0.25 against master#f609b7e0586f81fefb3523e3e17adf779ac416be for pr-129466-2
[INFO] extracting crate rs_box 0.0.25 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate rs_box 0.0.25 on toolchain f609b7e0586f81fefb3523e3e17adf779ac416be
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rs_box 0.0.25
[INFO] finished tweaking crates.io crate rs_box 0.0.25
[INFO] tweaked toml for crates.io crate rs_box 0.0.25 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 55 packages to latest compatible versions
[INFO] [stderr]       Adding windows-core v0.52.0 (available: v0.58.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] aa966387751c2cb526aabe9020f55d916b0c75442cfdc8c745174cc931321f62
[INFO] running `Command { std: "docker" "start" "-a" "aa966387751c2cb526aabe9020f55d916b0c75442cfdc8c745174cc931321f62", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "aa966387751c2cb526aabe9020f55d916b0c75442cfdc8c745174cc931321f62", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa966387751c2cb526aabe9020f55d916b0c75442cfdc8c745174cc931321f62", kill_on_drop: false }`
[INFO] [stdout] aa966387751c2cb526aabe9020f55d916b0c75442cfdc8c745174cc931321f62
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8f09f082e9a6b0bb51d7bd8b04935b42673e20f6151bfedc852b917bd2bf7f0a
[INFO] running `Command { std: "docker" "start" "-a" "8f09f082e9a6b0bb51d7bd8b04935b42673e20f6151bfedc852b917bd2bf7f0a", kill_on_drop: false }`
[INFO] [stderr]     Checking gimli v0.31.0
[INFO] [stderr]     Checking adler2 v2.0.0
[INFO] [stderr]     Checking memchr v2.7.4
[INFO] [stderr]     Checking rustc-demangle v0.1.24
[INFO] [stderr]     Checking miniz_oxide v0.8.0
[INFO] [stderr]     Checking object v0.36.4
[INFO] [stderr]     Checking addr2line v0.24.1
[INFO] [stderr]     Checking backtrace v0.3.74
[INFO] [stderr]     Checking rs_box v0.0.25 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::fmt`
[INFO] [stdout]  --> src/block_chain/coin_flags.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::fmt;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::str::FromStr`
[INFO] [stdout]  --> src/block_chain/hash_rate.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::str::FromStr;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::block_chain::hash_rate`
[INFO] [stdout]  --> src/block_chain/hash_rate_test.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::block_chain::hash_rate;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout] help: if this is a test module, consider adding a `#[cfg(test)]` to the containing module
[INFO] [stdout]  --> src/block_chain/mod.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | mod hash_rate_test;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs`
[INFO] [stdout]   --> src/lib.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | use std::fs;
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `toml::Value`
[INFO] [stdout]   --> src/lib.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | use toml::Value;
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fmt`
[INFO] [stdout]  --> src/block_chain/coin_flags.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::fmt;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::str::FromStr`
[INFO] [stdout]  --> src/block_chain/hash_rate.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::str::FromStr;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs`
[INFO] [stdout]   --> src/lib.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | use std::fs;
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `toml::Value`
[INFO] [stdout]   --> src/lib.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | use toml::Value;
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/block_chain/hash_rate.rs:73:34
[INFO] [stdout]    |
[INFO] [stdout] 73 |         HashRateUnitFormat::Hs | _ => (base_hash_rate, HashRateUnitFormat::Hs, HashRateUnitFormat::Hs.to_string()),
[INFO] [stdout]    |                                  ^ no value can reach this
[INFO] [stdout]    |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]   --> src/block_chain/hash_rate.rs:73:34
[INFO] [stdout]    |
[INFO] [stdout] 65 |         HashRateUnitFormat::YHs => (base_hash_rate / y, HashRateUnitFormat::YHs, HashRateUnitFormat::YHs.to_string()),
[INFO] [stdout]    |         ----------------------- matches some of the same values
[INFO] [stdout] 66 |         HashRateUnitFormat::ZHs => (base_hash_rate / z, HashRateUnitFormat::ZHs, HashRateUnitFormat::ZHs.to_string()),
[INFO] [stdout]    |         ----------------------- matches some of the same values
[INFO] [stdout] 67 |         HashRateUnitFormat::EHs => (base_hash_rate / e, HashRateUnitFormat::EHs, HashRateUnitFormat::EHs.to_string()),
[INFO] [stdout]    |         ----------------------- matches some of the same values
[INFO] [stdout] 68 |         HashRateUnitFormat::PHs => (base_hash_rate / p, HashRateUnitFormat::PHs, HashRateUnitFormat::PHs.to_string()),
[INFO] [stdout]    |         ----------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 73 |         HashRateUnitFormat::Hs | _ => (base_hash_rate, HashRateUnitFormat::Hs, HashRateUnitFormat::Hs.to_string()),
[INFO] [stdout]    |                                  ^ ...and 5 other patterns collectively make this unreachable
[INFO] [stdout]    = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/block_chain/hash_rate.rs:73:34
[INFO] [stdout]    |
[INFO] [stdout] 73 |         HashRateUnitFormat::Hs | _ => (base_hash_rate, HashRateUnitFormat::Hs, HashRateUnitFormat::Hs.to_string()),
[INFO] [stdout]    |                                  ^ no value can reach this
[INFO] [stdout]    |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]   --> src/block_chain/hash_rate.rs:73:34
[INFO] [stdout]    |
[INFO] [stdout] 65 |         HashRateUnitFormat::YHs => (base_hash_rate / y, HashRateUnitFormat::YHs, HashRateUnitFormat::YHs.to_string()),
[INFO] [stdout]    |         ----------------------- matches some of the same values
[INFO] [stdout] 66 |         HashRateUnitFormat::ZHs => (base_hash_rate / z, HashRateUnitFormat::ZHs, HashRateUnitFormat::ZHs.to_string()),
[INFO] [stdout]    |         ----------------------- matches some of the same values
[INFO] [stdout] 67 |         HashRateUnitFormat::EHs => (base_hash_rate / e, HashRateUnitFormat::EHs, HashRateUnitFormat::EHs.to_string()),
[INFO] [stdout]    |         ----------------------- matches some of the same values
[INFO] [stdout] 68 |         HashRateUnitFormat::PHs => (base_hash_rate / p, HashRateUnitFormat::PHs, HashRateUnitFormat::PHs.to_string()),
[INFO] [stdout]    |         ----------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 73 |         HashRateUnitFormat::Hs | _ => (base_hash_rate, HashRateUnitFormat::Hs, HashRateUnitFormat::Hs.to_string()),
[INFO] [stdout]    |                                  ^ ...and 5 other patterns collectively make this unreachable
[INFO] [stdout]    = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.40s
[INFO] running `Command { std: "docker" "inspect" "8f09f082e9a6b0bb51d7bd8b04935b42673e20f6151bfedc852b917bd2bf7f0a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f09f082e9a6b0bb51d7bd8b04935b42673e20f6151bfedc852b917bd2bf7f0a", kill_on_drop: false }`
[INFO] [stdout] 8f09f082e9a6b0bb51d7bd8b04935b42673e20f6151bfedc852b917bd2bf7f0a