[INFO] cloning repository https://github.com/jmathew-k/Rust_Sandbox
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jmathew-k/Rust_Sandbox" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjmathew-k%2FRust_Sandbox", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjmathew-k%2FRust_Sandbox'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3c70456bf2675789843e59f596d3ed7faca50fd4
[INFO] testing jmathew-k/Rust_Sandbox 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%2Fjmathew-k%2FRust_Sandbox" "/workspace/builds/worker-15/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-15/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jmathew-k/Rust_Sandbox 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/jmathew-k/Rust_Sandbox
[INFO] finished tweaking git repo https://github.com/jmathew-k/Rust_Sandbox
[INFO] tweaked toml for git repo https://github.com/jmathew-k/Rust_Sandbox written to /workspace/builds/worker-15/source/Cargo.toml
[INFO] crate git repo https://github.com/jmathew-k/Rust_Sandbox 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] warning: unused manifest key: package.author
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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] 452c0e81499214178f1fe8fdd40b1a11b1d77a231cf4375454989b485e8eb50b
[INFO] running `Command { std: "docker" "start" "-a" "452c0e81499214178f1fe8fdd40b1a11b1d77a231cf4375454989b485e8eb50b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "452c0e81499214178f1fe8fdd40b1a11b1d77a231cf4375454989b485e8eb50b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "452c0e81499214178f1fe8fdd40b1a11b1d77a231cf4375454989b485e8eb50b", kill_on_drop: false }`
[INFO] [stdout] 452c0e81499214178f1fe8fdd40b1a11b1d77a231cf4375454989b485e8eb50b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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] 0484b03489f55d3474b946e54e80e1d1c2a028d82da719151632177452de8ac0
[INFO] running `Command { std: "docker" "start" "-a" "0484b03489f55d3474b946e54e80e1d1c2a028d82da719151632177452de8ac0", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: package.author
[INFO] [stderr]    Compiling rust_sandbox v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.91s
[INFO] running `Command { std: "docker" "inspect" "0484b03489f55d3474b946e54e80e1d1c2a028d82da719151632177452de8ac0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0484b03489f55d3474b946e54e80e1d1c2a028d82da719151632177452de8ac0", kill_on_drop: false }`
[INFO] [stdout] 0484b03489f55d3474b946e54e80e1d1c2a028d82da719151632177452de8ac0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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] 37f70e8a1fc478dc964f5e797b2e18c8ef4817ea9fccead3e2b1b986783d8ee0
[INFO] running `Command { std: "docker" "start" "-a" "37f70e8a1fc478dc964f5e797b2e18c8ef4817ea9fccead3e2b1b986783d8ee0", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: package.author
[INFO] [stderr]    Compiling rust_sandbox v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.34s
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/rust_sandbox-29f38600240a884a)
[INFO] running `Command { std: "docker" "inspect" "37f70e8a1fc478dc964f5e797b2e18c8ef4817ea9fccead3e2b1b986783d8ee0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "37f70e8a1fc478dc964f5e797b2e18c8ef4817ea9fccead3e2b1b986783d8ee0", kill_on_drop: false }`
[INFO] [stdout] 37f70e8a1fc478dc964f5e797b2e18c8ef4817ea9fccead3e2b1b986783d8ee0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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] 54a4f2cb2aa252eedb4b2ddb28030596fbc20cc4959c7bca7acdecac477cf5ff
[INFO] running `Command { std: "docker" "start" "-a" "54a4f2cb2aa252eedb4b2ddb28030596fbc20cc4959c7bca7acdecac477cf5ff", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: package.author
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/rust_sandbox-29f38600240a884a)
[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" "54a4f2cb2aa252eedb4b2ddb28030596fbc20cc4959c7bca7acdecac477cf5ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "54a4f2cb2aa252eedb4b2ddb28030596fbc20cc4959c7bca7acdecac477cf5ff", kill_on_drop: false }`
[INFO] [stdout] 54a4f2cb2aa252eedb4b2ddb28030596fbc20cc4959c7bca7acdecac477cf5ff