[INFO] fetching crate fire-rs 0.2.3...
[INFO] testing fire-rs-0.2.3 against beta-2021-01-01 for beta-1.50-1
[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-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "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-2021-01-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded fire-rs-core v0.2.0
[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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7157f9581065e464b6f40990e18510d0baa6f3e54e75024892b2056c32e32022
[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" "7157f9581065e464b6f40990e18510d0baa6f3e54e75024892b2056c32e32022", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7157f9581065e464b6f40990e18510d0baa6f3e54e75024892b2056c32e32022", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7157f9581065e464b6f40990e18510d0baa6f3e54e75024892b2056c32e32022", kill_on_drop: false }`
[INFO] [stdout] 7157f9581065e464b6f40990e18510d0baa6f3e54e75024892b2056c32e32022
[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=warn" "-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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3a43c6c172c9ccdc964261ef1801a1c3f383d78cb1a867c9f55d7b5a01101a8c
[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" "3a43c6c172c9ccdc964261ef1801a1c3f383d78cb1a867c9f55d7b5a01101a8c", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]    Compiling syn v1.0.57
[INFO] [stderr]    Compiling fire-rs-core v0.2.0
[INFO] [stderr]    Compiling fire-rs v0.2.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.53s
[INFO] running `Command { std: "docker" "inspect" "3a43c6c172c9ccdc964261ef1801a1c3f383d78cb1a867c9f55d7b5a01101a8c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a43c6c172c9ccdc964261ef1801a1c3f383d78cb1a867c9f55d7b5a01101a8c", kill_on_drop: false }`
[INFO] [stdout] 3a43c6c172c9ccdc964261ef1801a1c3f383d78cb1a867c9f55d7b5a01101a8c
[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=warn" "-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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] db413309f5876c2f28765a8f2ad025d5a7da86a168c3e2012f4401f09c504297
[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" "db413309f5876c2f28765a8f2ad025d5a7da86a168c3e2012f4401f09c504297", kill_on_drop: false }`
[INFO] [stderr]    Compiling 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 test [unoptimized + debuginfo] target(s) in 2.24s
[INFO] running `Command { std: "docker" "inspect" "db413309f5876c2f28765a8f2ad025d5a7da86a168c3e2012f4401f09c504297", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "db413309f5876c2f28765a8f2ad025d5a7da86a168c3e2012f4401f09c504297", kill_on_drop: false }`
[INFO] [stdout] db413309f5876c2f28765a8f2ad025d5a7da86a168c3e2012f4401f09c504297
[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=warn" "-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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] df4e74f6b3a513ef6d8c4e4c861399f48e23447a3fe27bbed7f0db854ff1a277
[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" "df4e74f6b3a513ef6d8c4e4c861399f48e23447a3fe27bbed7f0db854ff1a277", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `a`
[INFO] [stderr]   --> tests/progress.rs:12:12
[INFO] [stderr]    |
[INFO] [stderr] 12 |     fn foo(a: i32, b: i64) {}
[INFO] [stderr]    |            ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `b`
[INFO] [stderr]   --> tests/progress.rs:12:20
[INFO] [stderr]    |
[INFO] [stderr] 12 |     fn foo(a: i32, b: i64) {}
[INFO] [stderr]    |                    ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `a`
[INFO] [stderr]   --> tests/progress.rs:12:12
[INFO] [stderr]    |
[INFO] [stderr] 12 |     fn foo(a: i32, b: i64) {}
[INFO] [stderr]    |            ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `int`
[INFO] [stderr]   --> tests/progress.rs:20:12
[INFO] [stderr]    |
[INFO] [stderr] 20 |     fn foo(int: i32, long: i64) {}
[INFO] [stderr]    |            ^^^ help: if this is intentional, prefix it with an underscore: `_int`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `long`
[INFO] [stderr]   --> tests/progress.rs:20:22
[INFO] [stderr]    |
[INFO] [stderr] 20 |     fn foo(int: i32, long: i64) {}
[INFO] [stderr]    |                      ^^^^ help: if this is intentional, prefix it with an underscore: `_long`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `int`
[INFO] [stderr]   --> tests/progress.rs:28:12
[INFO] [stderr]    |
[INFO] [stderr] 28 |     fn foo(int: i32, long: i64) {}
[INFO] [stderr]    |            ^^^ help: if this is intentional, prefix it with an underscore: `_int`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `long`
[INFO] [stderr]   --> tests/progress.rs:28:22
[INFO] [stderr]    |
[INFO] [stderr] 28 |     fn foo(int: i32, long: i64) {}
[INFO] [stderr]    |                      ^^^^ help: if this is intentional, prefix it with an underscore: `_long`
[INFO] [stderr] 
[INFO] [stderr] warning: 7 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/fire_rs-09607b705711f22f
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/tests-cbab1932464b3ce4
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test no_args ... ok
[INFO] [stdout] test with_name ... ok
[INFO] [stdout] test omit_rest_args ... ok
[INFO] [stdout] test two_args ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests fire-rs
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 11) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.63s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "df4e74f6b3a513ef6d8c4e4c861399f48e23447a3fe27bbed7f0db854ff1a277", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "df4e74f6b3a513ef6d8c4e4c861399f48e23447a3fe27bbed7f0db854ff1a277", kill_on_drop: false }`
[INFO] [stdout] df4e74f6b3a513ef6d8c4e4c861399f48e23447a3fe27bbed7f0db854ff1a277