[INFO] fetching crate atomic-env-rs 0.0.1...
[INFO] checking atomic-env-rs-0.0.1 against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu
[INFO] extracting crate atomic-env-rs 0.0.1 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate atomic-env-rs 0.0.1 on toolchain 1f12b9b0fdbe735968ac002792a720f0ba4faca6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate atomic-env-rs 0.0.1
[INFO] finished tweaking crates.io crate atomic-env-rs 0.0.1
[INFO] tweaked toml for crates.io crate atomic-env-rs 0.0.1 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 25 packages to latest compatible versions
[INFO] [stderr]       Adding dashmap v5.5.3 (latest: v6.0.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d75c32c2233fd4e4b72f39b059914b7f94d15fda00a92f5324cd28f88acef8db
[INFO] running `Command { std: "docker" "start" "-a" "d75c32c2233fd4e4b72f39b059914b7f94d15fda00a92f5324cd28f88acef8db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d75c32c2233fd4e4b72f39b059914b7f94d15fda00a92f5324cd28f88acef8db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d75c32c2233fd4e4b72f39b059914b7f94d15fda00a92f5324cd28f88acef8db", kill_on_drop: false }`
[INFO] [stdout] d75c32c2233fd4e4b72f39b059914b7f94d15fda00a92f5324cd28f88acef8db
[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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 98d8f586443a3e2e682942f3af6edb5b9af7fea0f6229a7b0c900d15bea88fc3
[INFO] running `Command { std: "docker" "start" "-a" "98d8f586443a3e2e682942f3af6edb5b9af7fea0f6229a7b0c900d15bea88fc3", kill_on_drop: false }`
[INFO] [stderr]     Checking hashbrown v0.14.5
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]     Checking arrayref v0.3.8
[INFO] [stderr]     Checking fxhash v0.2.1
[INFO] [stderr]     Checking dashmap v5.5.3
[INFO] [stderr]     Checking atomic-env-rs v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `ctx`
[INFO] [stdout]    --> src/lib.rs:142:17
[INFO] [stdout]     |
[INFO] [stdout] 142 | pub fn transfer(ctx: &mut Ctx, from: [u8; 32], to: [u8; 32], amount: u128) {
[INFO] [stdout]     |                 ^^^ help: if this is intentional, prefix it with an underscore: `_ctx`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `from`
[INFO] [stdout]    --> src/lib.rs:142:32
[INFO] [stdout]     |
[INFO] [stdout] 142 | pub fn transfer(ctx: &mut Ctx, from: [u8; 32], to: [u8; 32], amount: u128) {
[INFO] [stdout]     |                                ^^^^ help: if this is intentional, prefix it with an underscore: `_from`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `to`
[INFO] [stdout]    --> src/lib.rs:142:48
[INFO] [stdout]     |
[INFO] [stdout] 142 | pub fn transfer(ctx: &mut Ctx, from: [u8; 32], to: [u8; 32], amount: u128) {
[INFO] [stdout]     |                                                ^^ help: if this is intentional, prefix it with an underscore: `_to`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `amount`
[INFO] [stdout]    --> src/lib.rs:142:62
[INFO] [stdout]     |
[INFO] [stdout] 142 | pub fn transfer(ctx: &mut Ctx, from: [u8; 32], to: [u8; 32], amount: u128) {
[INFO] [stdout]     |                                                              ^^^^^^ help: if this is intentional, prefix it with an underscore: `_amount`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Remove` is never constructed
[INFO] [stdout]   --> src/lib.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 28 | enum Operation {
[INFO] [stdout]    |      --------- variant in this enum
[INFO] [stdout] 29 |     Remove,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ctx`
[INFO] [stdout]    --> src/lib.rs:142:17
[INFO] [stdout]     |
[INFO] [stdout] 142 | pub fn transfer(ctx: &mut Ctx, from: [u8; 32], to: [u8; 32], amount: u128) {
[INFO] [stdout]     |                 ^^^ help: if this is intentional, prefix it with an underscore: `_ctx`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `from`
[INFO] [stdout]    --> src/lib.rs:142:32
[INFO] [stdout]     |
[INFO] [stdout] 142 | pub fn transfer(ctx: &mut Ctx, from: [u8; 32], to: [u8; 32], amount: u128) {
[INFO] [stdout]     |                                ^^^^ help: if this is intentional, prefix it with an underscore: `_from`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `to`
[INFO] [stdout]    --> src/lib.rs:142:48
[INFO] [stdout]     |
[INFO] [stdout] 142 | pub fn transfer(ctx: &mut Ctx, from: [u8; 32], to: [u8; 32], amount: u128) {
[INFO] [stdout]     |                                                ^^ help: if this is intentional, prefix it with an underscore: `_to`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `amount`
[INFO] [stdout]    --> src/lib.rs:142:62
[INFO] [stdout]     |
[INFO] [stdout] 142 | pub fn transfer(ctx: &mut Ctx, from: [u8; 32], to: [u8; 32], amount: u128) {
[INFO] [stdout]     |                                                              ^^^^^^ help: if this is intentional, prefix it with an underscore: `_amount`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Remove` is never constructed
[INFO] [stdout]   --> src/lib.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 28 | enum Operation {
[INFO] [stdout]    |      --------- variant in this enum
[INFO] [stdout] 29 |     Remove,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.56s
[INFO] running `Command { std: "docker" "inspect" "98d8f586443a3e2e682942f3af6edb5b9af7fea0f6229a7b0c900d15bea88fc3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "98d8f586443a3e2e682942f3af6edb5b9af7fea0f6229a7b0c900d15bea88fc3", kill_on_drop: false }`
[INFO] [stdout] 98d8f586443a3e2e682942f3af6edb5b9af7fea0f6229a7b0c900d15bea88fc3