[INFO] cloning repository https://github.com/how-to-commit/merkle-hellman-knapsack
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/how-to-commit/merkle-hellman-knapsack" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhow-to-commit%2Fmerkle-hellman-knapsack", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhow-to-commit%2Fmerkle-hellman-knapsack'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 34c0b8d2e0c80d759d0cc5484000f0f6b136cfeb
[INFO] checking how-to-commit/merkle-hellman-knapsack against master#fd0c901b00ee1e08a250039cdb90258603497e20 for pr-153692
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhow-to-commit%2Fmerkle-hellman-knapsack" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/how-to-commit/merkle-hellman-knapsack
[INFO] finished tweaking git repo https://github.com/how-to-commit/merkle-hellman-knapsack
[INFO] tweaked toml for git repo https://github.com/how-to-commit/merkle-hellman-knapsack written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/how-to-commit/merkle-hellman-knapsack on toolchain fd0c901b00ee1e08a250039cdb90258603497e20
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+fd0c901b00ee1e08a250039cdb90258603497e20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/how-to-commit/merkle-hellman-knapsack already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+fd0c901b00ee1e08a250039cdb90258603497e20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+fd0c901b00ee1e08a250039cdb90258603497e20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0d72535415e62c1ce7210c66630de396159874f810a7309c899845e4a3c65d94
[INFO] running `Command { std: "docker" "start" "-a" "0d72535415e62c1ce7210c66630de396159874f810a7309c899845e4a3c65d94", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0d72535415e62c1ce7210c66630de396159874f810a7309c899845e4a3c65d94", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d72535415e62c1ce7210c66630de396159874f810a7309c899845e4a3c65d94", kill_on_drop: false }`
[INFO] [stdout] 0d72535415e62c1ce7210c66630de396159874f810a7309c899845e4a3c65d94
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+fd0c901b00ee1e08a250039cdb90258603497e20" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3d97b8698db5ef9af2b4b1c47c6d4cecfb37fcb284eba3adea0ad1b2d7fff334
[INFO] running `Command { std: "docker" "start" "-a" "3d97b8698db5ef9af2b4b1c47c6d4cecfb37fcb284eba3adea0ad1b2d7fff334", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.172
[INFO] [stderr]     Checking getrandom v0.3.3
[INFO] [stderr]     Checking rand_core v0.9.3
[INFO] [stderr]     Checking rand_chacha v0.9.0
[INFO] [stderr]     Checking rand v0.9.1
[INFO] [stderr]     Checking merkle-hellman-knapsack v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `min`
[INFO] [stdout]  --> src/math/bignum.rs:2:21
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::cmp::{max, min};
[INFO] [stdout]   |                     ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `AddAssign`, `DivAssign`, `Div`, `MulAssign`, `Mul`, `Neg`, `SubAssign`, and `Sub`
[INFO] [stdout]  --> src/math/bignum.rs:3:21
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::ops::{Add, AddAssign, Div, DivAssign, Mul, MulAssign, Neg, Sub, SubAssign};
[INFO] [stdout]   |                     ^^^^^^^^^  ^^^  ^^^^^^^^^  ^^^  ^^^^^^^^^  ^^^  ^^^  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `min`
[INFO] [stdout]  --> src/math/bignum.rs:2:21
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::cmp::{max, min};
[INFO] [stdout]   |                     ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `AddAssign`, `DivAssign`, `Div`, `MulAssign`, `Mul`, `Neg`, `SubAssign`, and `Sub`
[INFO] [stdout]  --> src/math/bignum.rs:3:21
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::ops::{Add, AddAssign, Div, DivAssign, Mul, MulAssign, Neg, Sub, SubAssign};
[INFO] [stdout]   |                     ^^^^^^^^^  ^^^  ^^^^^^^^^  ^^^  ^^^^^^^^^  ^^^  ^^^  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rhs`
[INFO] [stdout]    --> src/math/bignum.rs:112:40
[INFO] [stdout]     |
[INFO] [stdout] 112 |     pub fn chunkadd_inplace(&mut self, rhs: &BigNumber) -> BigNumber {
[INFO] [stdout]     |                                        ^^^ help: if this is intentional, prefix it with an underscore: `_rhs`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rhs`
[INFO] [stdout]    --> src/math/bignum.rs:116:28
[INFO] [stdout]     |
[INFO] [stdout] 116 |     pub fn chunksub(&self, rhs: &BigNumber) -> BigNumber {
[INFO] [stdout]     |                            ^^^ help: if this is intentional, prefix it with an underscore: `_rhs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rhs`
[INFO] [stdout]    --> src/math/bignum.rs:120:40
[INFO] [stdout]     |
[INFO] [stdout] 120 |     pub fn chunksub_inplace(&mut self, rhs: &BigNumber) -> BigNumber {
[INFO] [stdout]     |                                        ^^^ help: if this is intentional, prefix it with an underscore: `_rhs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rhs`
[INFO] [stdout]    --> src/math/bignum.rs:112:40
[INFO] [stdout]     |
[INFO] [stdout] 112 |     pub fn chunkadd_inplace(&mut self, rhs: &BigNumber) -> BigNumber {
[INFO] [stdout]     |                                        ^^^ help: if this is intentional, prefix it with an underscore: `_rhs`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rhs`
[INFO] [stdout]    --> src/math/bignum.rs:116:28
[INFO] [stdout]     |
[INFO] [stdout] 116 |     pub fn chunksub(&self, rhs: &BigNumber) -> BigNumber {
[INFO] [stdout]     |                            ^^^ help: if this is intentional, prefix it with an underscore: `_rhs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rhs`
[INFO] [stdout]    --> src/math/bignum.rs:120:40
[INFO] [stdout]     |
[INFO] [stdout] 120 |     pub fn chunksub_inplace(&mut self, rhs: &BigNumber) -> BigNumber {
[INFO] [stdout]     |                                        ^^^ help: if this is intentional, prefix it with an underscore: `_rhs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.58s
[INFO] running `Command { std: "docker" "inspect" "3d97b8698db5ef9af2b4b1c47c6d4cecfb37fcb284eba3adea0ad1b2d7fff334", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d97b8698db5ef9af2b4b1c47c6d4cecfb37fcb284eba3adea0ad1b2d7fff334", kill_on_drop: false }`
[INFO] [stdout] 3d97b8698db5ef9af2b4b1c47c6d4cecfb37fcb284eba3adea0ad1b2d7fff334