[INFO] cloning repository https://github.com/thojest/blockbender
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/thojest/blockbender" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthojest%2Fblockbender", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthojest%2Fblockbender'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b6cd2603f4d6a58adf4fa38faea4de47c445af12
[INFO] checking thojest/blockbender against try#6f8a6450478f69b8510c8976ab6c2a70b3b0e47c for pr-84920
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthojest%2Fblockbender" "/workspace/builds/worker-11/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/thojest/blockbender on toolchain 6f8a6450478f69b8510c8976ab6c2a70b3b0e47c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/thojest/blockbender
[INFO] finished tweaking git repo https://github.com/thojest/blockbender
[INFO] tweaked toml for git repo https://github.com/thojest/blockbender written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded snap v1.0.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 76a15f15d299bb31a32a6034b38335bec39383a684959ef939f6b8010773165f
[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" "76a15f15d299bb31a32a6034b38335bec39383a684959ef939f6b8010773165f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "76a15f15d299bb31a32a6034b38335bec39383a684959ef939f6b8010773165f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "76a15f15d299bb31a32a6034b38335bec39383a684959ef939f6b8010773165f", kill_on_drop: false }`
[INFO] [stdout] 76a15f15d299bb31a32a6034b38335bec39383a684959ef939f6b8010773165f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 32773fad3def36ea0d53b7662e8c2dadfe7d0ef33e09be83e3ef581ac04efcaa
[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" "32773fad3def36ea0d53b7662e8c2dadfe7d0ef33e09be83e3ef581ac04efcaa", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling libc v0.2.94
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling radium v0.6.2
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]     Checking rustc-hex v2.1.0
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[INFO] [stderr]    Compiling thiserror-impl v1.0.24
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[INFO] [stdout] warning: unused variable: `block_part`
[INFO] [stdout]   --> src/freezer/mod.rs:29:9
[INFO] [stdout]    |
[INFO] [stdout] 29 |         block_part: BlockPart,
[INFO] [stdout]    |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_block_part`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `min_block`
[INFO] [stdout]   --> src/freezer/mod.rs:30:9
[INFO] [stdout]    |
[INFO] [stdout] 30 |         min_block: u64,
[INFO] [stdout]    |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_min_block`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `max_block`
[INFO] [stdout]   --> src/freezer/mod.rs:31:9
[INFO] [stdout]    |
[INFO] [stdout] 31 |         max_block: u64,
[INFO] [stdout]    |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_max_block`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `ancient_folder`
[INFO] [stdout]   --> src/freezer/mod.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 |     ancient_folder: PathBuf,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Body`
[INFO] [stdout]  --> src/types/body.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct Body {
[INFO] [stdout]   |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Transaction`
[INFO] [stdout]  --> src/types/body.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | struct Transaction {}
[INFO] [stdout]   |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Difficulty`
[INFO] [stdout]  --> src/types/difficulty.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub struct Difficulty(Vec<usize>);
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Hash`
[INFO] [stdout]  --> src/types/hash.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub struct Hash {}
[INFO] [stdout]   |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `block_part`
[INFO] [stdout]   --> src/freezer/mod.rs:29:9
[INFO] [stdout]    |
[INFO] [stdout] 29 |         block_part: BlockPart,
[INFO] [stdout]    |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_block_part`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `min_block`
[INFO] [stdout]   --> src/freezer/mod.rs:30:9
[INFO] [stdout]    |
[INFO] [stdout] 30 |         min_block: u64,
[INFO] [stdout]    |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_min_block`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `max_block`
[INFO] [stdout]   --> src/freezer/mod.rs:31:9
[INFO] [stdout]    |
[INFO] [stdout] 31 |         max_block: u64,
[INFO] [stdout]    |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_max_block`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `ancient_folder`
[INFO] [stdout]   --> src/freezer/mod.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 |     ancient_folder: PathBuf,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Body`
[INFO] [stdout]  --> src/types/body.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct Body {
[INFO] [stdout]   |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Transaction`
[INFO] [stdout]  --> src/types/body.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | struct Transaction {}
[INFO] [stdout]   |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Difficulty`
[INFO] [stdout]  --> src/types/difficulty.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub struct Difficulty(Vec<usize>);
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Hash`
[INFO] [stdout]  --> src/types/hash.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub struct Hash {}
[INFO] [stdout]   |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 18s
[INFO] running `Command { std: "docker" "inspect" "32773fad3def36ea0d53b7662e8c2dadfe7d0ef33e09be83e3ef581ac04efcaa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "32773fad3def36ea0d53b7662e8c2dadfe7d0ef33e09be83e3ef581ac04efcaa", kill_on_drop: false }`
[INFO] [stdout] 32773fad3def36ea0d53b7662e8c2dadfe7d0ef33e09be83e3ef581ac04efcaa