[INFO] cloning repository https://github.com/k06a/usize-issue
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/k06a/usize-issue" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fk06a%2Fusize-issue", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fk06a%2Fusize-issue'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 82732c82b3f2486fa13514604db3ec4e3612529e
[INFO] testing k06a/usize-issue against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fk06a%2Fusize-issue" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/k06a/usize-issue on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/k06a/usize-issue
[INFO] finished tweaking git repo https://github.com/k06a/usize-issue
[INFO] tweaked toml for git repo https://github.com/k06a/usize-issue written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/k06a/usize-issue already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 01c19bc1a8f93f3b04ce2d7bd7565448235537c9e5d87099d46b15ec2355690f
[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" "01c19bc1a8f93f3b04ce2d7bd7565448235537c9e5d87099d46b15ec2355690f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "01c19bc1a8f93f3b04ce2d7bd7565448235537c9e5d87099d46b15ec2355690f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "01c19bc1a8f93f3b04ce2d7bd7565448235537c9e5d87099d46b15ec2355690f", kill_on_drop: false }`
[INFO] [stdout] 01c19bc1a8f93f3b04ce2d7bd7565448235537c9e5d87099d46b15ec2355690f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5eb1fb841f558feb4ff1ace31b23b2296a04dd2885a98574e9d2daf6981927ea
[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" "5eb1fb841f558feb4ff1ace31b23b2296a04dd2885a98574e9d2daf6981927ea", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling getrandom v0.1.13
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling bitvec v0.15.2
[INFO] [stderr]    Compiling arrayvec v0.5.1
[INFO] [stderr]    Compiling byte-slice-cast v0.3.4
[INFO] [stderr]    Compiling rlp v0.4.4
[INFO] [stderr]    Compiling impl-rlp v0.2.1
[INFO] [stderr]    Compiling uint v0.8.2
[INFO] [stderr]    Compiling block-buffer v0.7.3
[INFO] [stderr]    Compiling sha3 v0.8.2
[INFO] [stderr]    Compiling parity-scale-codec v1.1.0
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.1
[INFO] [stderr]    Compiling rand v0.7.2
[INFO] [stderr]    Compiling fixed-hash v0.5.1
[INFO] [stderr]    Compiling ethbloom v0.8.1
[INFO] [stderr]    Compiling impl-codec v0.4.2
[INFO] [stderr]    Compiling primitive-types v0.6.1
[INFO] [stderr]    Compiling ethereum-types v0.8.0
[INFO] [stderr]    Compiling ethash v0.4.0 (https://github.com/nearprotocol/rust-ethash?branch=feature/hashimoto-with-hashers#4d388f07)
[INFO] [stderr]    Compiling usize-issue v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `ethash`
[INFO] [stdout]  --> src/lib.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use ethash;
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.94s
[INFO] running `Command { std: "docker" "inspect" "5eb1fb841f558feb4ff1ace31b23b2296a04dd2885a98574e9d2daf6981927ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5eb1fb841f558feb4ff1ace31b23b2296a04dd2885a98574e9d2daf6981927ea", kill_on_drop: false }`
[INFO] [stdout] 5eb1fb841f558feb4ff1ace31b23b2296a04dd2885a98574e9d2daf6981927ea
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 79b3568ab395cfdfb9ba1d633b416f98ca81d3a221fe1dfd2d75f874e15c526a
[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" "79b3568ab395cfdfb9ba1d633b416f98ca81d3a221fe1dfd2d75f874e15c526a", kill_on_drop: false }`
[INFO] [stderr]    Compiling usize-issue v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `ethash`
[INFO] [stdout]  --> src/lib.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use ethash;
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ethash`
[INFO] [stdout]  --> src/lib.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use ethash;
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.82s
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "79b3568ab395cfdfb9ba1d633b416f98ca81d3a221fe1dfd2d75f874e15c526a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "79b3568ab395cfdfb9ba1d633b416f98ca81d3a221fe1dfd2d75f874e15c526a", kill_on_drop: false }`
[INFO] [stdout] 79b3568ab395cfdfb9ba1d633b416f98ca81d3a221fe1dfd2d75f874e15c526a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4d861b452301cd9c727107f3494e0d3acf43d532dfd004569ec8eeec3478a777
[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" "4d861b452301cd9c727107f3494e0d3acf43d532dfd004569ec8eeec3478a777", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `ethash`
[INFO] [stderr]  --> src/lib.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use ethash;
[INFO] [stderr]   |     ^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `usize-issue` (lib) generated 1 warning
[INFO] [stderr] warning: `usize-issue` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/usize_issue-e2222487b33568fc)
[INFO] [stdout] running 0 tests
[INFO] [stderr]    Doc-tests usize-issue
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "4d861b452301cd9c727107f3494e0d3acf43d532dfd004569ec8eeec3478a777", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d861b452301cd9c727107f3494e0d3acf43d532dfd004569ec8eeec3478a777", kill_on_drop: false }`
[INFO] [stdout] 4d861b452301cd9c727107f3494e0d3acf43d532dfd004569ec8eeec3478a777