[INFO] cloning repository https://github.com/ElPicador/rust_db
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ElPicador/rust_db" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FElPicador%2Frust_db", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FElPicador%2Frust_db'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7841d44fdd358d344d2bc69055860328fb65f064
[INFO] testing ElPicador/rust_db against 1.75.0 for beta-1.76-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FElPicador%2Frust_db" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ElPicador/rust_db on toolchain 1.75.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ElPicador/rust_db
[INFO] finished tweaking git repo https://github.com/ElPicador/rust_db
[INFO] tweaked toml for git repo https://github.com/ElPicador/rust_db written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/ElPicador/rust_db 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" "+1.75.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+1.75.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e8d99a7a1a2143d27e030e2bf41078f339d168a48ab3f060f82869aafe08fda9
[INFO] running `Command { std: "docker" "start" "-a" "e8d99a7a1a2143d27e030e2bf41078f339d168a48ab3f060f82869aafe08fda9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e8d99a7a1a2143d27e030e2bf41078f339d168a48ab3f060f82869aafe08fda9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e8d99a7a1a2143d27e030e2bf41078f339d168a48ab3f060f82869aafe08fda9", kill_on_drop: false }`
[INFO] [stdout] e8d99a7a1a2143d27e030e2bf41078f339d168a48ab3f060f82869aafe08fda9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=warn" "-e" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a0ad74c21d1481c60e4f0e1f5a85234eeac47ec528ae000705fbcd238ff89061
[INFO] running `Command { std: "docker" "start" "-a" "a0ad74c21d1481c60e4f0e1f5a85234eeac47ec528ae000705fbcd238ff89061", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust_db v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0599]: the method `read` exists for struct `BufReader<u8>`, but its trait bounds were not satisfied
[INFO] [stdout]   --> src/row.rs:20:15
[INFO] [stdout]    |
[INFO] [stdout] 20 |         input.read(&id_buffer);
[INFO] [stdout]    |               ^^^^ method cannot be called on `BufReader<u8>` due to unsatisfied trait bounds
[INFO] [stdout]   --> /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/io/buffered/bufreader.rs:51:1
[INFO] [stdout]    |
[INFO] [stdout]    = note: doesn't satisfy `BufReader<u8>: std::io::Read`
[INFO] [stdout]    |
[INFO] [stdout]    = note: the following trait bounds were not satisfied:
[INFO] [stdout]            `u8: std::io::Read`
[INFO] [stdout]            which is required by `BufReader<u8>: std::io::Read`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: the method `read` exists for struct `BufReader<u8>`, but its trait bounds were not satisfied
[INFO] [stdout]   --> src/row.rs:22:15
[INFO] [stdout]    |
[INFO] [stdout] 22 |         input.read(&username_len);
[INFO] [stdout]    |               ^^^^ method cannot be called on `BufReader<u8>` due to unsatisfied trait bounds
[INFO] [stdout]   --> /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/io/buffered/bufreader.rs:51:1
[INFO] [stdout]    |
[INFO] [stdout]    = note: doesn't satisfy `BufReader<u8>: std::io::Read`
[INFO] [stdout]    |
[INFO] [stdout]    = note: the following trait bounds were not satisfied:
[INFO] [stdout]            `u8: std::io::Read`
[INFO] [stdout]            which is required by `BufReader<u8>: std::io::Read`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::Read`
[INFO] [stdout]  --> src/row.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::io::Read;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rust_db` (bin "rust_db") due to 3 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "a0ad74c21d1481c60e4f0e1f5a85234eeac47ec528ae000705fbcd238ff89061", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a0ad74c21d1481c60e4f0e1f5a85234eeac47ec528ae000705fbcd238ff89061", kill_on_drop: false }`
[INFO] [stdout] a0ad74c21d1481c60e4f0e1f5a85234eeac47ec528ae000705fbcd238ff89061
[INFO] testing ElPicador/rust_db against beta-2023-12-22 for beta-1.76-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FElPicador%2Frust_db" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ElPicador/rust_db on toolchain beta-2023-12-22
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-12-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ElPicador/rust_db
[INFO] finished tweaking git repo https://github.com/ElPicador/rust_db
[INFO] tweaked toml for git repo https://github.com/ElPicador/rust_db written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/ElPicador/rust_db 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" "+beta-2023-12-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+beta-2023-12-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 46911b5ff0f33f8b3a38fe9488021ef27ff75e5eab9cc3192674210229e960e5
[INFO] running `Command { std: "docker" "start" "-a" "46911b5ff0f33f8b3a38fe9488021ef27ff75e5eab9cc3192674210229e960e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "46911b5ff0f33f8b3a38fe9488021ef27ff75e5eab9cc3192674210229e960e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "46911b5ff0f33f8b3a38fe9488021ef27ff75e5eab9cc3192674210229e960e5", kill_on_drop: false }`
[INFO] [stdout] 46911b5ff0f33f8b3a38fe9488021ef27ff75e5eab9cc3192674210229e960e5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=warn" "-e" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-12-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ec61f09df3e2192ef852d672fd39d5dbe4f9f917e31d8c5defb3fc304d7ad92f
[INFO] running `Command { std: "docker" "start" "-a" "ec61f09df3e2192ef852d672fd39d5dbe4f9f917e31d8c5defb3fc304d7ad92f", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust_db v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0599]: the method `read` exists for struct `BufReader<u8>`, but its trait bounds were not satisfied
[INFO] [stdout]   --> src/row.rs:20:15
[INFO] [stdout]    |
[INFO] [stdout] 20 |         input.read(&id_buffer);
[INFO] [stdout]    |               ^^^^ method cannot be called on `BufReader<u8>` due to unsatisfied trait bounds
[INFO] [stdout]   --> /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/io/buffered/bufreader.rs:51:1
[INFO] [stdout]    |
[INFO] [stdout]    = note: doesn't satisfy `BufReader<u8>: std::io::Read`
[INFO] [stdout]    |
[INFO] [stdout]    = note: the following trait bounds were not satisfied:
[INFO] [stdout]            `u8: std::io::Read`
[INFO] [stdout]            which is required by `BufReader<u8>: std::io::Read`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: the method `read` exists for struct `BufReader<u8>`, but its trait bounds were not satisfied
[INFO] [stdout]   --> src/row.rs:22:15
[INFO] [stdout]    |
[INFO] [stdout] 22 |         input.read(&username_len);
[INFO] [stdout]    |               ^^^^ method cannot be called on `BufReader<u8>` due to unsatisfied trait bounds
[INFO] [stdout]   --> /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/io/buffered/bufreader.rs:51:1
[INFO] [stdout]    |
[INFO] [stdout]    = note: doesn't satisfy `BufReader<u8>: std::io::Read`
[INFO] [stdout]    |
[INFO] [stdout]    = note: the following trait bounds were not satisfied:
[INFO] [stdout]            `u8: std::io::Read`
[INFO] [stdout]            which is required by `BufReader<u8>: std::io::Read`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::Read`
[INFO] [stdout]  --> src/row.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::io::Read;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rust_db` (bin "rust_db") due to 3 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "ec61f09df3e2192ef852d672fd39d5dbe4f9f917e31d8c5defb3fc304d7ad92f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec61f09df3e2192ef852d672fd39d5dbe4f9f917e31d8c5defb3fc304d7ad92f", kill_on_drop: false }`
[INFO] [stdout] ec61f09df3e2192ef852d672fd39d5dbe4f9f917e31d8c5defb3fc304d7ad92f
