[INFO] fetching crate fire-rs 0.2.3...
[INFO] checking fire-rs-0.2.3 against beta for pr-78714
[INFO] extracting crate fire-rs 0.2.3 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate fire-rs 0.2.3 on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate fire-rs 0.2.3
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate fire-rs 0.2.3
[INFO] tweaked toml for crates.io crate fire-rs 0.2.3 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "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" "+beta" "fetch" "--locked" "--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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fc778ff3ca3ffbf4ef31e91e508767c9d07e2157ab67aad740f7c86b97a13f7e
[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" "fc778ff3ca3ffbf4ef31e91e508767c9d07e2157ab67aad740f7c86b97a13f7e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fc778ff3ca3ffbf4ef31e91e508767c9d07e2157ab67aad740f7c86b97a13f7e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc778ff3ca3ffbf4ef31e91e508767c9d07e2157ab67aad740f7c86b97a13f7e", kill_on_drop: false }`
[INFO] [stdout] fc778ff3ca3ffbf4ef31e91e508767c9d07e2157ab67aad740f7c86b97a13f7e
[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=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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 318bf06d62c004e5e152c8610e6626a0b319e9a22d490cd7f116dee9ab4e9506
[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" "318bf06d62c004e5e152c8610e6626a0b319e9a22d490cd7f116dee9ab4e9506", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.48
[INFO] [stderr]    Compiling fire-rs-core v0.2.0
[INFO] [stderr]     Checking fire-rs v0.2.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]   --> tests/progress.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 12 |     fn foo(a: i32, b: i64) {}
[INFO] [stdout]    |            ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]   --> tests/progress.rs:12:20
[INFO] [stdout]    |
[INFO] [stdout] 12 |     fn foo(a: i32, b: i64) {}
[INFO] [stdout]    |                    ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]   --> tests/progress.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 12 |     fn foo(a: i32, b: i64) {}
[INFO] [stdout]    |            ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `int`
[INFO] [stdout]   --> tests/progress.rs:20:12
[INFO] [stdout]    |
[INFO] [stdout] 20 |     fn foo(int: i32, long: i64) {}
[INFO] [stdout]    |            ^^^ help: if this is intentional, prefix it with an underscore: `_int`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `long`
[INFO] [stdout]   --> tests/progress.rs:20:22
[INFO] [stdout]    |
[INFO] [stdout] 20 |     fn foo(int: i32, long: i64) {}
[INFO] [stdout]    |                      ^^^^ help: if this is intentional, prefix it with an underscore: `_long`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `int`
[INFO] [stdout]   --> tests/progress.rs:28:12
[INFO] [stdout]    |
[INFO] [stdout] 28 |     fn foo(int: i32, long: i64) {}
[INFO] [stdout]    |            ^^^ help: if this is intentional, prefix it with an underscore: `_int`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `long`
[INFO] [stdout]   --> tests/progress.rs:28:22
[INFO] [stdout]    |
[INFO] [stdout] 28 |     fn foo(int: i32, long: i64) {}
[INFO] [stdout]    |                      ^^^^ help: if this is intentional, prefix it with an underscore: `_long`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.99s
[INFO] running `Command { std: "docker" "inspect" "318bf06d62c004e5e152c8610e6626a0b319e9a22d490cd7f116dee9ab4e9506", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "318bf06d62c004e5e152c8610e6626a0b319e9a22d490cd7f116dee9ab4e9506", kill_on_drop: false }`
[INFO] [stdout] 318bf06d62c004e5e152c8610e6626a0b319e9a22d490cd7f116dee9ab4e9506