[INFO] cloning repository https://github.com/funnyzpc/cargo_test
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/funnyzpc/cargo_test" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffunnyzpc%2Fcargo_test", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffunnyzpc%2Fcargo_test'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] cc6ae700e8bb360f7a7c75342fa5a3d2636eebd3
[INFO] testing funnyzpc/cargo_test against 1.100.0-beta.1+cargoflags=--release for beta-release-1.100-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffunnyzpc%2Fcargo_test" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/funnyzpc/cargo_test
[INFO] finished tweaking git repo https://github.com/funnyzpc/cargo_test
[INFO] tweaked toml for git repo https://github.com/funnyzpc/cargo_test written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/funnyzpc/cargo_test on toolchain 1.100.0-beta.1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.100.0-beta.1" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 15 packages to highest compatible versions
[INFO] [stderr]       Adding rand v0.7.3 (available: v0.10.3)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.100.0-beta.1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] d89e6d8f6cb4467a135c326fe3cbb8b41010cf9fc2b95c66fe6e1630c60a77c0
[INFO] running `Command { std: "docker" "start" "d89e6d8f6cb4467a135c326fe3cbb8b41010cf9fc2b95c66fe6e1630c60a77c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d89e6d8f6cb4467a135c326fe3cbb8b41010cf9fc2b95c66fe6e1630c60a77c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "d89e6d8f6cb4467a135c326fe3cbb8b41010cf9fc2b95c66fe6e1630c60a77c0" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d89e6d8f6cb4467a135c326fe3cbb8b41010cf9fc2b95c66fe6e1630c60a77c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "d89e6d8f6cb4467a135c326fe3cbb8b41010cf9fc2b95c66fe6e1630c60a77c0" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "build" "--frozen" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.191
[INFO] [stderr]    Compiling zerocopy v0.8.63
[INFO] [stderr]    Compiling cfg-if v1.0.5
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling ppv-lite86 v0.2.21
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling cargo_test v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused dependency `rand`
[INFO] [stderr]  --> Cargo.toml:2:1
[INFO] [stderr]   |
[INFO] [stderr] 2 | rand = "0.7.0"
[INFO] [stderr]   | ^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `cargo::unused_dependencies` is set to `warn` by default
[INFO] [stderr] help: consider removing the dependency on `rand`
[INFO] [stderr] warning: `cargo_test` (manifest) generated 1 warning
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 7.81s
[INFO] running `Command { std: "docker" "inspect" "d89e6d8f6cb4467a135c326fe3cbb8b41010cf9fc2b95c66fe6e1630c60a77c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "d89e6d8f6cb4467a135c326fe3cbb8b41010cf9fc2b95c66fe6e1630c60a77c0" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "test" "--frozen" "--no-run" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling cargo_test v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused dependency `rand`
[INFO] [stderr]  --> Cargo.toml:2:1
[INFO] [stderr]   |
[INFO] [stderr] 2 | rand = "0.7.0"
[INFO] [stderr]   | ^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `cargo::unused_dependencies` is set to `warn` by default
[INFO] [stderr] help: consider removing the dependency on `rand`
[INFO] [stderr] warning: `cargo_test` (manifest) generated 1 warning
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 0.25s
[INFO] running `Command { std: "docker" "inspect" "d89e6d8f6cb4467a135c326fe3cbb8b41010cf9fc2b95c66fe6e1630c60a77c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "d89e6d8f6cb4467a135c326fe3cbb8b41010cf9fc2b95c66fe6e1630c60a77c0" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "test" "--frozen" "--release", kill_on_drop: false }`
[INFO] [stderr] warning: unused dependency `rand`
[INFO] [stderr]  --> Cargo.toml:2:1
[INFO] [stderr]   |
[INFO] [stderr] 2 | rand = "0.7.0"
[INFO] [stderr]   | ^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `cargo::unused_dependencies` is set to `warn` by default
[INFO] [stderr] help: consider removing the dependency on `rand`
[INFO] [stderr] warning: `cargo_test` (manifest) generated 1 warning
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/release/build/cargo_test/aa18491950604fe9/out/cargo_test-aa18491950604fe9)
[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" "d89e6d8f6cb4467a135c326fe3cbb8b41010cf9fc2b95c66fe6e1630c60a77c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d89e6d8f6cb4467a135c326fe3cbb8b41010cf9fc2b95c66fe6e1630c60a77c0", kill_on_drop: false }`
[INFO] [stdout] d89e6d8f6cb4467a135c326fe3cbb8b41010cf9fc2b95c66fe6e1630c60a77c0