[INFO] fetching crate wallet-lib 0.0.0...
[INFO] checking wallet-lib-0.0.0 against try#3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f for pr-87248
[INFO] extracting crate wallet-lib 0.0.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate wallet-lib 0.0.0 on toolchain 3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate wallet-lib 0.0.0
[INFO] finished tweaking crates.io crate wallet-lib 0.0.0
[INFO] tweaked toml for crates.io crate wallet-lib 0.0.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 3b959d7d3141f8bb42895d10606f4ce9e4c41f816801af5d9e555d90fe69e223
[INFO] running `Command { std: "docker" "start" "-a" "3b959d7d3141f8bb42895d10606f4ce9e4c41f816801af5d9e555d90fe69e223", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3b959d7d3141f8bb42895d10606f4ce9e4c41f816801af5d9e555d90fe69e223", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3b959d7d3141f8bb42895d10606f4ce9e4c41f816801af5d9e555d90fe69e223", kill_on_drop: false }`
[INFO] [stdout] 3b959d7d3141f8bb42895d10606f4ce9e4c41f816801af5d9e555d90fe69e223
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 0fa50a997a7086dba21d7882ad885bf3fef672b85d7f56fc8ef3510f20ac9fb7
[INFO] running `Command { std: "docker" "start" "-a" "0fa50a997a7086dba21d7882ad885bf3fef672b85d7f56fc8ef3510f20ac9fb7", kill_on_drop: false }`
[INFO] [stderr]     Checking wallet-lib v0.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]  --> src/wallet.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 |     fn new() -> Self {
[INFO] [stdout]   |        ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new_with_path`
[INFO] [stdout]   --> src/wallet.rs:16:8
[INFO] [stdout]    |
[INFO] [stdout] 16 |     fn new_with_path(path: String) -> Self {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `init`
[INFO] [stdout]   --> src/wallet.rs:27:8
[INFO] [stdout]    |
[INFO] [stdout] 27 |     fn init(&self) {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `create_dirs`
[INFO] [stdout]   --> src/wallet.rs:32:8
[INFO] [stdout]    |
[INFO] [stdout] 32 |     fn create_dirs(&self) {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]  --> src/entry.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 |     fn new() -> Self {
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `wallet_path`
[INFO] [stdout]   --> src/command.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 15 |     fn wallet_path(&self) -> String {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `options`
[INFO] [stdout]   --> src/command.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 28 |     options: CommandOptions,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]  --> src/wallet.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 |     fn new() -> Self {
[INFO] [stdout]   |        ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new_with_path`
[INFO] [stdout]   --> src/wallet.rs:16:8
[INFO] [stdout]    |
[INFO] [stdout] 16 |     fn new_with_path(path: String) -> Self {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `init`
[INFO] [stdout]   --> src/wallet.rs:27:8
[INFO] [stdout]    |
[INFO] [stdout] 27 |     fn init(&self) {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `create_dirs`
[INFO] [stdout]   --> src/wallet.rs:32:8
[INFO] [stdout]    |
[INFO] [stdout] 32 |     fn create_dirs(&self) {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]  --> src/entry.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 |     fn new() -> Self {
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `wallet_path`
[INFO] [stdout]   --> src/command.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 15 |     fn wallet_path(&self) -> String {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `options`
[INFO] [stdout]   --> src/command.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 28 |     options: CommandOptions,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.44s
[INFO] running `Command { std: "docker" "inspect" "0fa50a997a7086dba21d7882ad885bf3fef672b85d7f56fc8ef3510f20ac9fb7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0fa50a997a7086dba21d7882ad885bf3fef672b85d7f56fc8ef3510f20ac9fb7", kill_on_drop: false }`
[INFO] [stdout] 0fa50a997a7086dba21d7882ad885bf3fef672b85d7f56fc8ef3510f20ac9fb7