[INFO] cloning repository https://github.com/AhsanTipu/Rust-Chapter-7
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/AhsanTipu/Rust-Chapter-7" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAhsanTipu%2FRust-Chapter-7", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAhsanTipu%2FRust-Chapter-7'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 528db86d2fd7897d1761b3355c0a7ab28b8020b8
[INFO] checking AhsanTipu/Rust-Chapter-7 against master#af4a5a13a15fa0c60e06321077ef452f769b42fd for pr-122960-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAhsanTipu%2FRust-Chapter-7" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/AhsanTipu/Rust-Chapter-7 on toolchain af4a5a13a15fa0c60e06321077ef452f769b42fd
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/AhsanTipu/Rust-Chapter-7
[INFO] finished tweaking git repo https://github.com/AhsanTipu/Rust-Chapter-7
[INFO] tweaked toml for git repo https://github.com/AhsanTipu/Rust-Chapter-7 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/AhsanTipu/Rust-Chapter-7 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 9 packages
[INFO] [stderr]       Adding cfg-if v1.0.0
[INFO] [stderr]       Adding getrandom v0.1.16 (latest: v0.2.12)
[INFO] [stderr]       Adding libc v0.2.153
[INFO] [stderr]       Adding ppv-lite86 v0.2.17
[INFO] [stderr]       Adding rand v0.7.3 (latest: v0.8.5)
[INFO] [stderr]       Adding rand_chacha v0.2.2 (latest: v0.3.1)
[INFO] [stderr]       Adding rand_core v0.5.1 (latest: v0.6.4)
[INFO] [stderr]       Adding rand_hc v0.2.0 (latest: v0.3.2)
[INFO] [stderr]       Adding wasi v0.9.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0)
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7a652deebf538ae9e674a7333b19cec209444343f0a96048eab5794775174b08
[INFO] running `Command { std: "docker" "start" "-a" "7a652deebf538ae9e674a7333b19cec209444343f0a96048eab5794775174b08", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7a652deebf538ae9e674a7333b19cec209444343f0a96048eab5794775174b08", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a652deebf538ae9e674a7333b19cec209444343f0a96048eab5794775174b08", kill_on_drop: false }`
[INFO] [stdout] 7a652deebf538ae9e674a7333b19cec209444343f0a96048eab5794775174b08
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 33dacecf48bf6f024dfc51cd9820d902e167240463a1952e70db701dad04ebf0
[INFO] running `Command { std: "docker" "start" "-a" "33dacecf48bf6f024dfc51cd9820d902e167240463a1952e70db701dad04ebf0", kill_on_drop: false }`
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking practise v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0601]: `main` function not found in crate `practise`
[INFO] [stdout]   --> src/main.rs:50:6
[INFO] [stdout]    |
[INFO] [stdout] 50 | // }
[INFO] [stdout]    |      ^ consider adding a `main` function to `src/main.rs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0601`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `practise` (bin "practise") due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "33dacecf48bf6f024dfc51cd9820d902e167240463a1952e70db701dad04ebf0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "33dacecf48bf6f024dfc51cd9820d902e167240463a1952e70db701dad04ebf0", kill_on_drop: false }`
[INFO] [stdout] 33dacecf48bf6f024dfc51cd9820d902e167240463a1952e70db701dad04ebf0
[INFO] checking AhsanTipu/Rust-Chapter-7 against try#36dbcaee1a55543dfc181be52a69d99ff46ff62f for pr-122960-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAhsanTipu%2FRust-Chapter-7" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/AhsanTipu/Rust-Chapter-7 on toolchain 36dbcaee1a55543dfc181be52a69d99ff46ff62f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+36dbcaee1a55543dfc181be52a69d99ff46ff62f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/AhsanTipu/Rust-Chapter-7
[INFO] finished tweaking git repo https://github.com/AhsanTipu/Rust-Chapter-7
[INFO] tweaked toml for git repo https://github.com/AhsanTipu/Rust-Chapter-7 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/AhsanTipu/Rust-Chapter-7 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+36dbcaee1a55543dfc181be52a69d99ff46ff62f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+36dbcaee1a55543dfc181be52a69d99ff46ff62f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 10c1c07a6659047ec05fcc3fb6baee5ad5366e64dfc8865df774568ae773185f
[INFO] running `Command { std: "docker" "start" "-a" "10c1c07a6659047ec05fcc3fb6baee5ad5366e64dfc8865df774568ae773185f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "10c1c07a6659047ec05fcc3fb6baee5ad5366e64dfc8865df774568ae773185f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "10c1c07a6659047ec05fcc3fb6baee5ad5366e64dfc8865df774568ae773185f", kill_on_drop: false }`
[INFO] [stdout] 10c1c07a6659047ec05fcc3fb6baee5ad5366e64dfc8865df774568ae773185f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+36dbcaee1a55543dfc181be52a69d99ff46ff62f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0d9394275a6685c7ecb4e1bf83b1e9d1b46ebde7591cd66ae4f5e810acdb4965
[INFO] running `Command { std: "docker" "start" "-a" "0d9394275a6685c7ecb4e1bf83b1e9d1b46ebde7591cd66ae4f5e810acdb4965", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] skipping non-2021 edition `2018`
[INFO] running `Command { std: "docker" "inspect" "0d9394275a6685c7ecb4e1bf83b1e9d1b46ebde7591cd66ae4f5e810acdb4965", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d9394275a6685c7ecb4e1bf83b1e9d1b46ebde7591cd66ae4f5e810acdb4965", kill_on_drop: false }`
[INFO] [stdout] 0d9394275a6685c7ecb4e1bf83b1e9d1b46ebde7591cd66ae4f5e810acdb4965