[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] checking ElPicador/rust_db against try#a3dffdb3a32d0dedc198f9de7d43173f3eb6727b for pr-136303
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FElPicador%2Frust_db" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ElPicador/rust_db on toolchain a3dffdb3a32d0dedc198f9de7d43173f3eb6727b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a3dffdb3a32d0dedc198f9de7d43173f3eb6727b" "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-3-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" "+a3dffdb3a32d0dedc198f9de7d43173f3eb6727b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:c80049f3b88b82089a44e0f06d0d6029d44b96b7257e55a1cd63dbc9f4c33334" "/opt/rustwide/cargo-home/bin/cargo" "+a3dffdb3a32d0dedc198f9de7d43173f3eb6727b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 91172496dd2503dd3302c75d363c2f990f7034ccbaf9d015286cb4dedbba7715
[INFO] running `Command { std: "docker" "start" "-a" "91172496dd2503dd3302c75d363c2f990f7034ccbaf9d015286cb4dedbba7715", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "91172496dd2503dd3302c75d363c2f990f7034ccbaf9d015286cb4dedbba7715", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "91172496dd2503dd3302c75d363c2f990f7034ccbaf9d015286cb4dedbba7715", kill_on_drop: false }`
[INFO] [stdout] 91172496dd2503dd3302c75d363c2f990f7034ccbaf9d015286cb4dedbba7715
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:c80049f3b88b82089a44e0f06d0d6029d44b96b7257e55a1cd63dbc9f4c33334" "/opt/rustwide/cargo-home/bin/cargo" "+a3dffdb3a32d0dedc198f9de7d43173f3eb6727b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 327d59a4cc0d7576047aebafac179de55712100d42d2afbc7775f10ba53f6e3a
[INFO] running `Command { std: "docker" "start" "-a" "327d59a4cc0d7576047aebafac179de55712100d42d2afbc7775f10ba53f6e3a", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]     Checking 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]    |
[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]    |
[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: variable does not need to be mutable
[INFO] [stdout]   --> src/row.rs:26:25
[INFO] [stdout]    |
[INFO] [stdout] 26 |     pub fn write(&self, mut output: &BufWriter<Vec<u8>>) -> io::Result<()> {
[INFO] [stdout]    |                         ----^^^^^^
[INFO] [stdout]    |                         |
[INFO] [stdout]    |                         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0596]: cannot borrow `*output` as mutable, as it is behind a `&` reference
[INFO] [stdout]   --> src/row.rs:27:9
[INFO] [stdout]    |
[INFO] [stdout] 27 |         output
[INFO] [stdout]    |         ^^^^^^ `output` is a `&` reference, so the data it refers to cannot be borrowed as mutable
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing this to be a mutable reference
[INFO] [stdout]    |
[INFO] [stdout] 26 |     pub fn write(&self, mut output: &mut BufWriter<Vec<u8>>) -> io::Result<()> {
[INFO] [stdout]    |                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0596]: cannot borrow `*output` as mutable, as it is behind a `&` reference
[INFO] [stdout]   --> src/row.rs:29:18
[INFO] [stdout]    |
[INFO] [stdout] 29 |             .and(output.write(&Row::usize_array_u8(self.username.len())))
[INFO] [stdout]    |                  ^^^^^^ `output` is a `&` reference, so the data it refers to cannot be borrowed as mutable
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing this to be a mutable reference
[INFO] [stdout]    |
[INFO] [stdout] 26 |     pub fn write(&self, mut output: &mut BufWriter<Vec<u8>>) -> io::Result<()> {
[INFO] [stdout]    |                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0596]: cannot borrow `*output` as mutable, as it is behind a `&` reference
[INFO] [stdout]   --> src/row.rs:30:18
[INFO] [stdout]    |
[INFO] [stdout] 30 |             .and(output.write(self.username.as_bytes()))
[INFO] [stdout]    |                  ^^^^^^ `output` is a `&` reference, so the data it refers to cannot be borrowed as mutable
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing this to be a mutable reference
[INFO] [stdout]    |
[INFO] [stdout] 26 |     pub fn write(&self, mut output: &mut BufWriter<Vec<u8>>) -> io::Result<()> {
[INFO] [stdout]    |                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0596]: cannot borrow `*output` as mutable, as it is behind a `&` reference
[INFO] [stdout]   --> src/row.rs:31:18
[INFO] [stdout]    |
[INFO] [stdout] 31 |             .and(output.write(&Row::usize_array_u8(self.email.len())))
[INFO] [stdout]    |                  ^^^^^^ `output` is a `&` reference, so the data it refers to cannot be borrowed as mutable
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing this to be a mutable reference
[INFO] [stdout]    |
[INFO] [stdout] 26 |     pub fn write(&self, mut output: &mut BufWriter<Vec<u8>>) -> io::Result<()> {
[INFO] [stdout]    |                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0596]: cannot borrow `*output` as mutable, as it is behind a `&` reference
[INFO] [stdout]   --> src/row.rs:32:18
[INFO] [stdout]    |
[INFO] [stdout] 32 |             .and(output.write(self.email.as_bytes()))
[INFO] [stdout]    |                  ^^^^^^ `output` is a `&` reference, so the data it refers to cannot be borrowed as mutable
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing this to be a mutable reference
[INFO] [stdout]    |
[INFO] [stdout] 26 |     pub fn write(&self, mut output: &mut BufWriter<Vec<u8>>) -> io::Result<()> {
[INFO] [stdout]    |                                      +++
[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: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]    |
[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] Some errors have detailed explanations: E0596, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0596`.
[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]    |
[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] [stderr] error: could not compile `rust_db` (bin "rust_db" test) due to 7 previous errors; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/row.rs:26:25
[INFO] [stdout]    |
[INFO] [stdout] 26 |     pub fn write(&self, mut output: &BufWriter<Vec<u8>>) -> io::Result<()> {
[INFO] [stdout]    |                         ----^^^^^^
[INFO] [stdout]    |                         |
[INFO] [stdout]    |                         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0596]: cannot borrow `*output` as mutable, as it is behind a `&` reference
[INFO] [stdout]   --> src/row.rs:27:9
[INFO] [stdout]    |
[INFO] [stdout] 27 |         output
[INFO] [stdout]    |         ^^^^^^ `output` is a `&` reference, so the data it refers to cannot be borrowed as mutable
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing this to be a mutable reference
[INFO] [stdout]    |
[INFO] [stdout] 26 |     pub fn write(&self, mut output: &mut BufWriter<Vec<u8>>) -> io::Result<()> {
[INFO] [stdout]    |                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0596]: cannot borrow `*output` as mutable, as it is behind a `&` reference
[INFO] [stdout]   --> src/row.rs:29:18
[INFO] [stdout]    |
[INFO] [stdout] 29 |             .and(output.write(&Row::usize_array_u8(self.username.len())))
[INFO] [stdout]    |                  ^^^^^^ `output` is a `&` reference, so the data it refers to cannot be borrowed as mutable
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing this to be a mutable reference
[INFO] [stdout]    |
[INFO] [stdout] 26 |     pub fn write(&self, mut output: &mut BufWriter<Vec<u8>>) -> io::Result<()> {
[INFO] [stdout]    |                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0596]: cannot borrow `*output` as mutable, as it is behind a `&` reference
[INFO] [stdout]   --> src/row.rs:30:18
[INFO] [stdout]    |
[INFO] [stdout] 30 |             .and(output.write(self.username.as_bytes()))
[INFO] [stdout]    |                  ^^^^^^ `output` is a `&` reference, so the data it refers to cannot be borrowed as mutable
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing this to be a mutable reference
[INFO] [stdout]    |
[INFO] [stdout] 26 |     pub fn write(&self, mut output: &mut BufWriter<Vec<u8>>) -> io::Result<()> {
[INFO] [stdout]    |                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0596]: cannot borrow `*output` as mutable, as it is behind a `&` reference
[INFO] [stdout]   --> src/row.rs:31:18
[INFO] [stdout]    |
[INFO] [stdout] 31 |             .and(output.write(&Row::usize_array_u8(self.email.len())))
[INFO] [stdout]    |                  ^^^^^^ `output` is a `&` reference, so the data it refers to cannot be borrowed as mutable
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing this to be a mutable reference
[INFO] [stdout]    |
[INFO] [stdout] 26 |     pub fn write(&self, mut output: &mut BufWriter<Vec<u8>>) -> io::Result<()> {
[INFO] [stdout]    |                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0596]: cannot borrow `*output` as mutable, as it is behind a `&` reference
[INFO] [stdout]   --> src/row.rs:32:18
[INFO] [stdout]    |
[INFO] [stdout] 32 |             .and(output.write(self.email.as_bytes()))
[INFO] [stdout]    |                  ^^^^^^ `output` is a `&` reference, so the data it refers to cannot be borrowed as mutable
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing this to be a mutable reference
[INFO] [stdout]    |
[INFO] [stdout] 26 |     pub fn write(&self, mut output: &mut BufWriter<Vec<u8>>) -> io::Result<()> {
[INFO] [stdout]    |                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0596, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0596`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rust_db` (bin "rust_db") due to 7 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "327d59a4cc0d7576047aebafac179de55712100d42d2afbc7775f10ba53f6e3a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "327d59a4cc0d7576047aebafac179de55712100d42d2afbc7775f10ba53f6e3a", kill_on_drop: false }`
[INFO] [stdout] 327d59a4cc0d7576047aebafac179de55712100d42d2afbc7775f10ba53f6e3a
