[INFO] cloning repository https://github.com/csangos/day3-2
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/csangos/day3-2" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcsangos%2Fday3-2", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcsangos%2Fday3-2'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 227897718012c998d53132e60dc6d8cbbb83cebd
[INFO] testing csangos/day3-2 against 1.60.0 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcsangos%2Fday3-2" "/workspace/builds/worker-87/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-87/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/csangos/day3-2 on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/csangos/day3-2
[INFO] finished tweaking git repo https://github.com/csangos/day3-2
[INFO] tweaked toml for git repo https://github.com/csangos/day3-2 written to /workspace/builds/worker-87/source/Cargo.toml
[INFO] crate git repo https://github.com/csangos/day3-2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d082d5b510475d3bc64603699e3fdf5e947db3735f0ce09523a4496eb31ec29c
[INFO] running `Command { std: "docker" "start" "-a" "d082d5b510475d3bc64603699e3fdf5e947db3735f0ce09523a4496eb31ec29c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d082d5b510475d3bc64603699e3fdf5e947db3735f0ce09523a4496eb31ec29c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d082d5b510475d3bc64603699e3fdf5e947db3735f0ce09523a4496eb31ec29c", kill_on_drop: false }`
[INFO] [stdout] d082d5b510475d3bc64603699e3fdf5e947db3735f0ce09523a4496eb31ec29c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3bf3bf0c42488bfe6d85987311518442807e4e7b6e5716f3c8f725fe03228282
[INFO] running `Command { std: "docker" "start" "-a" "3bf3bf0c42488bfe6d85987311518442807e4e7b6e5716f3c8f725fe03228282", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling day3-2 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `bit_flag` is never read
[INFO] [stdout]   --> src/main.rs:34:13
[INFO] [stdout]    |
[INFO] [stdout] 34 |     let mut bit_flag = 0;
[INFO] [stdout]    |             ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `bit_flag` is never read
[INFO] [stdout]   --> src/main.rs:77:13
[INFO] [stdout]    |
[INFO] [stdout] 77 |     let mut bit_flag = 0;
[INFO] [stdout]    |             ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.85s
[INFO] running `Command { std: "docker" "inspect" "3bf3bf0c42488bfe6d85987311518442807e4e7b6e5716f3c8f725fe03228282", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3bf3bf0c42488bfe6d85987311518442807e4e7b6e5716f3c8f725fe03228282", kill_on_drop: false }`
[INFO] [stdout] 3bf3bf0c42488bfe6d85987311518442807e4e7b6e5716f3c8f725fe03228282
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 67c0695dddd40bbedff63ccc0e6e9f940697e24e44f0b36caf591dfaf5384bf2
[INFO] running `Command { std: "docker" "start" "-a" "67c0695dddd40bbedff63ccc0e6e9f940697e24e44f0b36caf591dfaf5384bf2", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling day3-2 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `bit_flag` is never read
[INFO] [stdout]   --> src/main.rs:34:13
[INFO] [stdout]    |
[INFO] [stdout] 34 |     let mut bit_flag = 0;
[INFO] [stdout]    |             ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `bit_flag` is never read
[INFO] [stdout]   --> src/main.rs:77:13
[INFO] [stdout]    |
[INFO] [stdout] 77 |     let mut bit_flag = 0;
[INFO] [stdout]    |             ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.20s
[INFO] running `Command { std: "docker" "inspect" "67c0695dddd40bbedff63ccc0e6e9f940697e24e44f0b36caf591dfaf5384bf2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "67c0695dddd40bbedff63ccc0e6e9f940697e24e44f0b36caf591dfaf5384bf2", kill_on_drop: false }`
[INFO] [stdout] 67c0695dddd40bbedff63ccc0e6e9f940697e24e44f0b36caf591dfaf5384bf2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c6febbba2f6a5fc501152d340e9caf94224f836fa4334b7b3e93d926a08bb891
[INFO] running `Command { std: "docker" "start" "-a" "c6febbba2f6a5fc501152d340e9caf94224f836fa4334b7b3e93d926a08bb891", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: value assigned to `bit_flag` is never read
[INFO] [stderr]   --> src/main.rs:34:13
[INFO] [stdout] 
[INFO] [stderr]    |
[INFO] [stdout] running 0 tests
[INFO] [stderr] 34 |     let mut bit_flag = 0;
[INFO] [stdout] 
[INFO] [stderr]    |             ^^^^^^^^
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr]    |
[INFO] [stdout] 
[INFO] [stderr]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `bit_flag` is never read
[INFO] [stderr]   --> src/main.rs:77:13
[INFO] [stderr]    |
[INFO] [stderr] 77 |     let mut bit_flag = 0;
[INFO] [stderr]    |             ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: `day3-2` (bin "day3-2" test) generated 2 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 23.62s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/day3_2-a1f6d4232866688a)
[INFO] running `Command { std: "docker" "inspect" "c6febbba2f6a5fc501152d340e9caf94224f836fa4334b7b3e93d926a08bb891", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c6febbba2f6a5fc501152d340e9caf94224f836fa4334b7b3e93d926a08bb891", kill_on_drop: false }`
[INFO] [stdout] c6febbba2f6a5fc501152d340e9caf94224f836fa4334b7b3e93d926a08bb891