[INFO] updating cached repository ElPicador/rust_db
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/ElPicador/rust_db
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/ElPicador/rust_db" "work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/ElPicador/rust_db"`
[INFO] [stderr] Cloning into 'work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/ElPicador/rust_db'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/ElPicador/rust_db" "work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/ElPicador/rust_db"`
[INFO] [stderr] Cloning into 'work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/ElPicador/rust_db'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 7841d44fdd358d344d2bc69055860328fb65f064
[INFO] sha for GitHub repo ElPicador/rust_db: 7841d44fdd358d344d2bc69055860328fb65f064
[INFO] validating manifest of ElPicador/rust_db on toolchain master#435236b8877cdb98c82eaebfb7887782277265c5
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of ElPicador/rust_db on toolchain try#b5c7f157c20453dde8d47371abe73b32351b4e7f
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing ElPicador/rust_db
[INFO] finished frobbing ElPicador/rust_db
[INFO] frobbed toml for ElPicador/rust_db written to work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/ElPicador/rust_db/Cargo.toml
[INFO] started frobbing ElPicador/rust_db
[INFO] finished frobbing ElPicador/rust_db
[INFO] frobbed toml for ElPicador/rust_db written to work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/ElPicador/rust_db/Cargo.toml
[INFO] crate ElPicador/rust_db already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking ElPicador/rust_db against try#b5c7f157c20453dde8d47371abe73b32351b4e7f for pr-62849
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62849/worker-5/try#b5c7f157c20453dde8d47371abe73b32351b4e7f:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/ElPicador/rust_db:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 635597d0744d81bf888b7ad45d2aa8a6c7631872054a4803609b1ab128f7db16
[INFO] running `"docker" "start" "-a" "635597d0744d81bf888b7ad45d2aa8a6c7631872054a4803609b1ab128f7db16"`
[INFO] [stderr]     Checking rust_db v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] error[E0599]: no method named `read` found for type `std::io::BufReader<u8>` in the current scope
[INFO] [stderr]   --> src/row.rs:20:15
[INFO] [stderr]    |
[INFO] [stderr] 20 |         input.read(&id_buffer);
[INFO] [stderr]    |               ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: the method `read` exists but the following trait bounds were not satisfied:
[INFO] [stderr]            `std::io::BufReader<u8> : std::io::Read`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `read` found for type `std::io::BufReader<u8>` in the current scope
[INFO] [stderr]   --> src/row.rs:22:15
[INFO] [stderr]    |
[INFO] [stderr] 22 |         input.read(&username_len);
[INFO] [stderr]    |               ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: the method `read` exists but the following trait bounds were not satisfied:
[INFO] [stderr]            `std::io::BufReader<u8> : std::io::Read`
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io::Read`
[INFO] [stderr]  --> src/row.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use std::io::Read;
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0599`.
[INFO] [stderr] error: Could not compile `rust_db`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error[E0599]: no method named `read` found for type `std::io::BufReader<u8>` in the current scope
[INFO] [stderr]   --> src/row.rs:20:15
[INFO] [stderr]    |
[INFO] [stderr] 20 |         input.read(&id_buffer);
[INFO] [stderr]    |               ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: the method `read` exists but the following trait bounds were not satisfied:
[INFO] [stderr]            `std::io::BufReader<u8> : std::io::Read`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `read` found for type `std::io::BufReader<u8>` in the current scope
[INFO] [stderr]   --> src/row.rs:22:15
[INFO] [stderr]    |
[INFO] [stderr] 22 |         input.read(&username_len);
[INFO] [stderr]    |               ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: the method `read` exists but the following trait bounds were not satisfied:
[INFO] [stderr]            `std::io::BufReader<u8> : std::io::Read`
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io::Read`
[INFO] [stderr]  --> src/row.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use std::io::Read;
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0599`.
[INFO] [stderr] error: Could not compile `rust_db`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "635597d0744d81bf888b7ad45d2aa8a6c7631872054a4803609b1ab128f7db16"`
[INFO] running `"docker" "rm" "-f" "635597d0744d81bf888b7ad45d2aa8a6c7631872054a4803609b1ab128f7db16"`
[INFO] [stdout] 635597d0744d81bf888b7ad45d2aa8a6c7631872054a4803609b1ab128f7db16