[INFO] updating cached repository https://github.com/mparavak/Rust-Examples
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 920e1944f4f7b385a1ddd489311206455b485f16
[INFO] testing mparavak/Rust-Examples/920e1944f4f7b385a1ddd489311206455b485f16 against beta-2022-04-10 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmparavak%2FRust-Examples" "/workspace/builds/worker-44/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-44/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mparavak/Rust-Examples on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mparavak/Rust-Examples
[INFO] finished tweaking git repo https://github.com/mparavak/Rust-Examples
[INFO] tweaked toml for git repo https://github.com/mparavak/Rust-Examples written to /workspace/builds/worker-44/source/Cargo.toml
[INFO] crate git repo https://github.com/mparavak/Rust-Examples already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "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-44/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-44/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" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a09425d374e68b25d96857129445ac55f6b08d6e86bd6215cfdf89065994373f
[INFO] running `Command { std: "docker" "start" "-a" "a09425d374e68b25d96857129445ac55f6b08d6e86bd6215cfdf89065994373f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a09425d374e68b25d96857129445ac55f6b08d6e86bd6215cfdf89065994373f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a09425d374e68b25d96857129445ac55f6b08d6e86bd6215cfdf89065994373f", kill_on_drop: false }`
[INFO] [stdout] a09425d374e68b25d96857129445ac55f6b08d6e86bd6215cfdf89065994373f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-44/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-44/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" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c050978ddef2d563c7c7facd05b7dbf9d6b43681a9542fe8a713770c4a2e55ac
[INFO] running `Command { std: "docker" "start" "-a" "c050978ddef2d563c7c7facd05b7dbf9d6b43681a9542fe8a713770c4a2e55ac", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling simple v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `out` is never read
[INFO] [stdout]  --> src/fib/mod.rs:5:17
[INFO] [stdout]   |
[INFO] [stdout] 5 |         let mut out = 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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.32s
[INFO] running `Command { std: "docker" "inspect" "c050978ddef2d563c7c7facd05b7dbf9d6b43681a9542fe8a713770c4a2e55ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c050978ddef2d563c7c7facd05b7dbf9d6b43681a9542fe8a713770c4a2e55ac", kill_on_drop: false }`
[INFO] [stdout] c050978ddef2d563c7c7facd05b7dbf9d6b43681a9542fe8a713770c4a2e55ac
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-44/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-44/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" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 233b39f676edc0d1cb0ed1922fc428b49254722047f3f45e3c08fa2a767881de
[INFO] running `Command { std: "docker" "start" "-a" "233b39f676edc0d1cb0ed1922fc428b49254722047f3f45e3c08fa2a767881de", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling simple v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `out` is never read
[INFO] [stdout]  --> src/fib/mod.rs:5:17
[INFO] [stdout]   |
[INFO] [stdout] 5 |         let mut out = 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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `out` is never read
[INFO] [stdout]  --> src/fib/mod.rs:5:17
[INFO] [stdout]   |
[INFO] [stdout] 5 |         let mut out = 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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.52s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/simple-6c9072db31451f09)
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/simple-045d1db9fddaf3f0)
[INFO] running `Command { std: "docker" "inspect" "233b39f676edc0d1cb0ed1922fc428b49254722047f3f45e3c08fa2a767881de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "233b39f676edc0d1cb0ed1922fc428b49254722047f3f45e3c08fa2a767881de", kill_on_drop: false }`
[INFO] [stdout] 233b39f676edc0d1cb0ed1922fc428b49254722047f3f45e3c08fa2a767881de
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-44/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-44/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" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 94c18625ff0b657f6565828d4b0a0774652170230bd4a87f0807de47097c2267
[INFO] running `Command { std: "docker" "start" "-a" "94c18625ff0b657f6565828d4b0a0774652170230bd4a87f0807de47097c2267", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: value assigned to `out` is never read
[INFO] [stdout] 
[INFO] [stderr]  --> src/fib/mod.rs:5:17
[INFO] [stdout] running 0 tests
[INFO] [stderr]   |
[INFO] [stdout] 
[INFO] [stderr] 5 |         let mut out = 0 ;
[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]   |
[INFO] [stdout] 
[INFO] [stderr]   = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] running 0 tests
[INFO] [stderr]   = help: maybe it is overwritten before being read?
[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] warning: `simple` (lib) generated 1 warning
[INFO] [stdout] 
[INFO] [stderr] warning: `simple` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 6.12s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/simple-6c9072db31451f09)
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/simple-045d1db9fddaf3f0)
[INFO] [stderr]    Doc-tests simple
[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] running `Command { std: "docker" "inspect" "94c18625ff0b657f6565828d4b0a0774652170230bd4a87f0807de47097c2267", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "94c18625ff0b657f6565828d4b0a0774652170230bd4a87f0807de47097c2267", kill_on_drop: false }`
[INFO] [stdout] 94c18625ff0b657f6565828d4b0a0774652170230bd4a87f0807de47097c2267