[INFO] cloning repository https://github.com/bnavetta/sparkler [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/bnavetta/sparkler" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbnavetta%2Fsparkler", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbnavetta%2Fsparkler'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 2a9f255854ed5ec20cf564970a35d053618e8508 [INFO] checking bnavetta/sparkler against try#b047d5f4496a7526d91d0dddea494c05853f2a7b for pr-122661-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbnavetta%2Fsparkler" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'... [INFO] [stderr] done. [INFO] removed /workspace/builds/worker-5-tc2/source/.cargo/config [INFO] started tweaking git repo https://github.com/bnavetta/sparkler [INFO] finished tweaking git repo https://github.com/bnavetta/sparkler [INFO] tweaked toml for git repo https://github.com/bnavetta/sparkler written to /workspace/builds/worker-5-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/bnavetta/sparkler on toolchain b047d5f4496a7526d91d0dddea494c05853f2a7b [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b047d5f4496a7526d91d0dddea494c05853f2a7b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/bnavetta/sparkler 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" "+b047d5f4496a7526d91d0dddea494c05853f2a7b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded unshare v0.6.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+b047d5f4496a7526d91d0dddea494c05853f2a7b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] f938c68083e5807ac48bdf12471633e9cd4f56abc9ebc7c16f2ede5ed0b266e6 [INFO] running `Command { std: "docker" "start" "-a" "f938c68083e5807ac48bdf12471633e9cd4f56abc9ebc7c16f2ede5ed0b266e6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f938c68083e5807ac48bdf12471633e9cd4f56abc9ebc7c16f2ede5ed0b266e6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f938c68083e5807ac48bdf12471633e9cd4f56abc9ebc7c16f2ede5ed0b266e6", kill_on_drop: false }` [INFO] [stdout] f938c68083e5807ac48bdf12471633e9cd4f56abc9ebc7c16f2ede5ed0b266e6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+b047d5f4496a7526d91d0dddea494c05853f2a7b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 72302cf764a67bef287e98c4daef612c71153fcf23c503995d12a0b248b55a77 [INFO] running `Command { std: "docker" "start" "-a" "72302cf764a67bef287e98c4daef612c71153fcf23c503995d12a0b248b55a77", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.24 [INFO] [stderr] Compiling unicode-xid v0.2.1 [INFO] [stderr] 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v0.3.12 [INFO] [stderr] Compiling nix v0.11.1 [INFO] [stderr] Checking slab v0.4.2 [INFO] [stderr] Checking try-lock v0.2.3 [INFO] [stderr] Checking pin-utils v0.1.0 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling tokio v1.1.0 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Compiling serde_json v1.0.61 [INFO] [stderr] Checking byteorder v1.4.2 [INFO] [stderr] Checking want v0.3.0 [INFO] [stderr] Checking futures-channel v0.3.12 [INFO] [stderr] Compiling derive_builder v0.9.0 [INFO] [stderr] Checking void v1.0.2 [INFO] [stderr] Checking tower-service v0.3.1 [INFO] [stderr] Checking httpdate v0.3.2 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Checking tracing-log v0.1.1 [INFO] [stderr] Checking thread_local v1.1.2 [INFO] [stderr] Checking sharded-slab v0.1.1 [INFO] [stderr] Checking hex v0.4.2 [INFO] [stderr] Checking ansi_term v0.12.1 [INFO] [stderr] Checking smallvec v1.6.1 [INFO] [stderr] Checking http v0.2.3 [INFO] [stderr] Compiling quote v1.0.8 [INFO] [stderr] Checking mio v0.7.7 [INFO] [stderr] Checking num_cpus v1.13.0 [INFO] [stderr] Checking socket2 v0.3.19 [INFO] [stderr] Checking time v0.1.44 [INFO] [stderr] Checking nix v0.19.1 [INFO] [stderr] Checking chrono v0.4.19 [INFO] [stderr] Checking http-body v0.4.0 [INFO] [stderr] Checking regex-automata v0.1.9 [INFO] [stderr] Checking regex v1.4.3 [INFO] [stderr] Checking matchers v0.0.1 [INFO] [stderr] Checking unshare v0.6.0 [INFO] [stderr] Compiling darling_core v0.10.2 [INFO] [stderr] Compiling tracing-attributes v0.1.11 [INFO] [stderr] Compiling tokio-macros v1.0.0 [INFO] [stderr] Compiling futures-macro v0.3.12 [INFO] [stderr] Compiling pin-project-internal v1.0.4 [INFO] [stderr] Compiling thiserror-impl v1.0.23 [INFO] [stderr] Checking futures-util v0.3.12 [INFO] [stderr] Checking pin-project v1.0.4 [INFO] [stderr] Checking thiserror v1.0.23 [INFO] [stderr] Checking tracing v0.1.22 [INFO] [stderr] Compiling darling_macro v0.10.2 [INFO] [stderr] Compiling darling v0.10.2 [INFO] [stderr] Compiling derive_builder_core v0.9.0 [INFO] [stderr] Checking hyper v0.14.2 [INFO] [stderr] Checking hyperlocal v0.8.0 [INFO] [stderr] Checking tracing-serde v0.1.2 [INFO] [stderr] Checking tracing-subscriber v0.2.15 [INFO] [stderr] Checking sparkler v0.1.0 (/opt/rustwide/workdir/sparkler) [INFO] [stdout] warning: unused imports: `RateLimiter` and `TokenBucket` [INFO] [stdout] --> sparkler/src/firecracker/api.rs:14:68 [INFO] [stdout] | [INFO] [stdout] 14 | pub use self::model::{ActionType, BootSource, Drive, InstanceInfo, RateLimiter, TokenBucket}; [INFO] [stdout] | ^^^^^^^^^^^ ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `RateLimiter` and `TokenBucket` [INFO] [stdout] --> sparkler/src/firecracker/api.rs:14:68 [INFO] [stdout] | [INFO] [stdout] 14 | pub use self::model::{ActionType, BootSource, Drive, InstanceInfo, RateLimiter, TokenBucket}; [INFO] [stdout] | ^^^^^^^^^^^ ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variants `FlushMetrics` and `SendCtrlAltDel` are never constructed [INFO] [stdout] --> sparkler/src/firecracker/api.rs:199:9 [INFO] [stdout] | [INFO] [stdout] 198 | pub enum ActionType { [INFO] [stdout] | ---------- variants in this enum [INFO] [stdout] 199 | FlushMetrics, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] 200 | InstanceStart, [INFO] [stdout] 201 | SendCtrlAltDel, [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `ActionType` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> sparkler/src/firecracker/jailer.rs:61:8 [INFO] [stdout] | [INFO] [stdout] 58 | impl<'a> Config<'a> { [INFO] [stdout] | ------------------- associated function in this implementation [INFO] [stdout] ... [INFO] [stdout] 61 | fn new(id: &'a str, user: Uid, group: Gid) -> Config<'a> { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Versioned` is never constructed [INFO] [stdout] --> sparkler/src/network/cni/schema.rs:12:12 [INFO] [stdout] | [INFO] [stdout] 12 | pub struct Versioned { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `NetworkConfiguration` is never constructed [INFO] [stdout] --> sparkler/src/network/cni/schema.rs:25:12 [INFO] [stdout] | [INFO] [stdout] 25 | pub struct NetworkConfiguration { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `NetworkConfigurationList` is never constructed [INFO] [stdout] --> sparkler/src/network/cni/schema.rs:39:12 [INFO] [stdout] | [INFO] [stdout] 39 | pub struct NetworkConfigurationList { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `PluginConfiguration` is never constructed [INFO] [stdout] --> sparkler/src/network/cni/schema.rs:58:12 [INFO] [stdout] | [INFO] [stdout] 58 | pub struct PluginConfiguration { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `IpamConfiguration` is never constructed [INFO] [stdout] --> sparkler/src/network/cni/schema.rs:93:12 [INFO] [stdout] | [INFO] [stdout] 93 | pub struct IpamConfiguration { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `DnsConfiguration` is never constructed [INFO] [stdout] --> sparkler/src/network/cni/schema.rs:107:12 [INFO] [stdout] | [INFO] [stdout] 107 | pub struct DnsConfiguration { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `PluginResult` is never constructed [INFO] [stdout] --> sparkler/src/network/cni/schema.rs:134:12 [INFO] [stdout] | [INFO] [stdout] 134 | pub struct PluginResult { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Interface` is never constructed [INFO] [stdout] --> sparkler/src/network/cni/schema.rs:152:12 [INFO] [stdout] | [INFO] [stdout] 152 | pub struct Interface { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `IpConfiguration` is never constructed [INFO] [stdout] --> sparkler/src/network/cni/schema.rs:170:12 [INFO] [stdout] | [INFO] [stdout] 170 | pub struct IpConfiguration { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `RouteConfiguration` is never constructed [INFO] [stdout] --> sparkler/src/network/cni/schema.rs:189:12 [INFO] [stdout] | [INFO] [stdout] 189 | pub struct RouteConfiguration { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `IpamResult` is never constructed [INFO] [stdout] --> sparkler/src/network/cni/schema.rs:204:12 [INFO] [stdout] | [INFO] [stdout] 204 | pub struct IpamResult { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `IpamIpConfiguration` is never constructed [INFO] [stdout] --> sparkler/src/network/cni/schema.rs:218:12 [INFO] [stdout] | [INFO] [stdout] 218 | pub struct IpamIpConfiguration { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Error` is never constructed [INFO] [stdout] --> sparkler/src/network/cni/schema.rs:231:12 [INFO] [stdout] | [INFO] [stdout] 231 | pub struct Error { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `ErrorCode` is never used [INFO] [stdout] --> sparkler/src/network/cni/schema.rs:243:10 [INFO] [stdout] | [INFO] [stdout] 243 | pub enum ErrorCode { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `is_false` is never used [INFO] [stdout] --> sparkler/src/network/cni/schema.rs:324:4 [INFO] [stdout] | [INFO] [stdout] 324 | fn is_false(v: &bool) -> bool { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing [INFO] [stdout] --> sparkler/src/util.rs:26:23 [INFO] [stdout] | [INFO] [stdout] 26 | pub fn new(file: &'a File) -> Result { [INFO] [stdout] | ^^ -------- the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is named here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: consistently use `'a` [INFO] [stdout] | [INFO] [stdout] 26 | pub fn new(file: &'a File) -> Result, nix::Error> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variants `FlushMetrics` and `SendCtrlAltDel` are never constructed [INFO] [stdout] --> sparkler/src/firecracker/api.rs:199:9 [INFO] [stdout] | [INFO] [stdout] 198 | pub enum ActionType { [INFO] [stdout] | ---------- variants in this enum [INFO] [stdout] 199 | FlushMetrics, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] 200 | InstanceStart, [INFO] [stdout] 201 | SendCtrlAltDel, [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `ActionType` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> sparkler/src/firecracker/jailer.rs:61:8 [INFO] [stdout] | [INFO] [stdout] 58 | impl<'a> Config<'a> { [INFO] [stdout] | ------------------- associated function in this implementation [INFO] [stdout] ... [INFO] [stdout] 61 | fn new(id: &'a str, user: Uid, group: Gid) -> Config<'a> { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `PluginResult` is never constructed [INFO] [stdout] --> sparkler/src/network/cni/schema.rs:134:12 [INFO] [stdout] | [INFO] [stdout] 134 | pub struct PluginResult { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Interface` is never constructed [INFO] [stdout] --> sparkler/src/network/cni/schema.rs:152:12 [INFO] [stdout] | [INFO] [stdout] 152 | pub struct Interface { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `IpConfiguration` is never constructed [INFO] [stdout] --> sparkler/src/network/cni/schema.rs:170:12 [INFO] [stdout] | [INFO] [stdout] 170 | pub struct IpConfiguration { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `RouteConfiguration` is never constructed [INFO] [stdout] --> sparkler/src/network/cni/schema.rs:189:12 [INFO] [stdout] | [INFO] [stdout] 189 | pub struct RouteConfiguration { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `IpamResult` is never constructed [INFO] [stdout] --> sparkler/src/network/cni/schema.rs:204:12 [INFO] [stdout] | [INFO] [stdout] 204 | pub struct IpamResult { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `IpamIpConfiguration` is never constructed [INFO] [stdout] --> sparkler/src/network/cni/schema.rs:218:12 [INFO] [stdout] | [INFO] [stdout] 218 | pub struct IpamIpConfiguration { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Error` is never constructed [INFO] [stdout] --> sparkler/src/network/cni/schema.rs:231:12 [INFO] [stdout] | [INFO] [stdout] 231 | pub struct Error { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `ErrorCode` is never used [INFO] [stdout] --> sparkler/src/network/cni/schema.rs:243:10 [INFO] [stdout] | [INFO] [stdout] 243 | pub enum ErrorCode { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing [INFO] [stdout] --> sparkler/src/util.rs:26:23 [INFO] [stdout] | [INFO] [stdout] 26 | pub fn new(file: &'a File) -> Result { [INFO] [stdout] | ^^ -------- the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is named here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: consistently use `'a` [INFO] [stdout] | [INFO] [stdout] 26 | pub fn new(file: &'a File) -> Result, nix::Error> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 20.75s [INFO] running `Command { std: "docker" "inspect" "72302cf764a67bef287e98c4daef612c71153fcf23c503995d12a0b248b55a77", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "72302cf764a67bef287e98c4daef612c71153fcf23c503995d12a0b248b55a77", kill_on_drop: false }` [INFO] [stdout] 72302cf764a67bef287e98c4daef612c71153fcf23c503995d12a0b248b55a77