[INFO] cloning repository https://github.com/globin/db-lab-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/globin/db-lab-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fglobin%2Fdb-lab-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fglobin%2Fdb-lab-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7ff8c76390aa98c9e12737389b03d0fb7907c6fa
[INFO] checking globin/db-lab-rust against try#3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f for pr-87248
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fglobin%2Fdb-lab-rust" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/globin/db-lab-rust on toolchain 3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/globin/db-lab-rust
[INFO] finished tweaking git repo https://github.com/globin/db-lab-rust
[INFO] tweaked toml for git repo https://github.com/globin/db-lab-rust written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/globin/db-lab-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b66761c22c05dc15e5b672a7427411b02d71d65f9257bf8fb91c0a81e2ec1414
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "b66761c22c05dc15e5b672a7427411b02d71d65f9257bf8fb91c0a81e2ec1414", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b66761c22c05dc15e5b672a7427411b02d71d65f9257bf8fb91c0a81e2ec1414", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b66761c22c05dc15e5b672a7427411b02d71d65f9257bf8fb91c0a81e2ec1414", kill_on_drop: false }`
[INFO] [stdout] b66761c22c05dc15e5b672a7427411b02d71d65f9257bf8fb91c0a81e2ec1414
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] e9562b729ee57756db238aaf88b859fc80a7ec1e56b9d0d170472ed9d9d2e7cb
[INFO] running `Command { std: "docker" "start" "-a" "e9562b729ee57756db238aaf88b859fc80a7ec1e56b9d0d170472ed9d9d2e7cb", kill_on_drop: false }`
[INFO] [stderr]     Checking rust-code v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] error: expected expression, found `]`
[INFO] [stdout]   --> src/main.rs:85:51
[INFO] [stdout]    |
[INFO] [stdout] 85 |         let row = FromRow::from_row(line.unwrap()[].trim_chars('\n').split('|'));
[INFO] [stdout]    |                                                   ^ expected expression
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: invalid suffix `u` for number literal
[INFO] [stdout]    --> src/main.rs:218:20
[INFO] [stdout]     |
[INFO] [stdout] 218 |     for _ in range(0u, 1000000) {
[INFO] [stdout]     |                    ^^ invalid suffix `u`
[INFO] [stdout]     |
[INFO] [stdout]     = help: the suffix must be one of the numeric types (`u32`, `isize`, `f32`, etc.)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: invalid suffix `u` for number literal
[INFO] [stdout]   --> src/numeric.rs:38:31
[INFO] [stdout]    |
[INFO] [stdout] 38 |         let mut digits_seen = 0u;
[INFO] [stdout]    |                               ^^ invalid suffix `u`
[INFO] [stdout]    |
[INFO] [stdout]    = help: the suffix must be one of the numeric types (`u32`, `isize`, `f32`, etc.)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: invalid suffix `u` for number literal
[INFO] [stdout]   --> src/numeric.rs:39:40
[INFO] [stdout]    |
[INFO] [stdout] 39 |         let mut digits_seen_fraction = 0u;
[INFO] [stdout]    |                                        ^^ invalid suffix `u`
[INFO] [stdout]    |
[INFO] [stdout]    = help: the suffix must be one of the numeric types (`u32`, `isize`, `f32`, etc.)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected one of `.`, `;`, `?`, `}`, or an operator, found `assert_eq`
[INFO] [stdout]    --> src/numeric.rs:138:9
[INFO] [stdout]     |
[INFO] [stdout] 137 |         assert_eq!(Numeric::from_str("50", 2, 0), Some(Numeric {value: 50, len: 2, precision: 0}))
[INFO] [stdout]     |                                                                                                   - expected one of `.`, `;`, `?`, `}`, or an operator
[INFO] [stdout] 138 |         assert_eq!(Numeric::from_str("-50", 2, 0), Some(Numeric {value: -50, len: 2, precision: 0}))
[INFO] [stdout]     |         ^^^^^^^^^ unexpected token
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected expression, found `]`
[INFO] [stdout]   --> src/main.rs:85:51
[INFO] [stdout]    |
[INFO] [stdout] 85 |         let row = FromRow::from_row(line.unwrap()[].trim_chars('\n').split('|'));
[INFO] [stdout]    |                                                   ^ expected expression
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: invalid suffix `u` for number literal
[INFO] [stdout]    --> src/main.rs:218:20
[INFO] [stdout]     |
[INFO] [stdout] 218 |     for _ in range(0u, 1000000) {
[INFO] [stdout]     |                    ^^ invalid suffix `u`
[INFO] [stdout]     |
[INFO] [stdout]     = help: the suffix must be one of the numeric types (`u32`, `isize`, `f32`, etc.)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: invalid suffix `u` for number literal
[INFO] [stdout]   --> src/numeric.rs:38:31
[INFO] [stdout]    |
[INFO] [stdout] 38 |         let mut digits_seen = 0u;
[INFO] [stdout]    |                               ^^ invalid suffix `u`
[INFO] [stdout]    |
[INFO] [stdout]    = help: the suffix must be one of the numeric types (`u32`, `isize`, `f32`, etc.)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: invalid suffix `u` for number literal
[INFO] [stdout]   --> src/numeric.rs:39:40
[INFO] [stdout]    |
[INFO] [stdout] 39 |         let mut digits_seen_fraction = 0u;
[INFO] [stdout]    |                                        ^^ invalid suffix `u`
[INFO] [stdout]    |
[INFO] [stdout]    = help: the suffix must be one of the numeric types (`u32`, `isize`, `f32`, etc.)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected one of `.`, `;`, `?`, `}`, or an operator, found `assert_eq`
[INFO] [stdout]    --> src/numeric.rs:138:9
[INFO] [stdout]     |
[INFO] [stdout] 137 |         assert_eq!(Numeric::from_str("50", 2, 0), Some(Numeric {value: 50, len: 2, precision: 0}))
[INFO] [stdout]     |                                                                                                   - expected one of `.`, `;`, `?`, `}`, or an operator
[INFO] [stdout] 138 |         assert_eq!(Numeric::from_str("-50", 2, 0), Some(Numeric {value: -50, len: 2, precision: 0}))
[INFO] [stdout]     |         ^^^^^^^^^ unexpected token
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0463]: can't find crate for `collections`
[INFO] [stdout]  --> src/main.rs:7:1
[INFO] [stdout]   |
[INFO] [stdout] 7 | extern crate collections;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 6 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0463`.
[INFO] [stdout] 
[INFO] [stdout] error[E0463]: can't find crate for `collections`
[INFO] [stdout]  --> src/main.rs:7:1
[INFO] [stdout]   |
[INFO] [stdout] 7 | extern crate collections;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rust-code` due to 7 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to 6 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0463`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "e9562b729ee57756db238aaf88b859fc80a7ec1e56b9d0d170472ed9d9d2e7cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e9562b729ee57756db238aaf88b859fc80a7ec1e56b9d0d170472ed9d9d2e7cb", kill_on_drop: false }`
[INFO] [stdout] e9562b729ee57756db238aaf88b859fc80a7ec1e56b9d0d170472ed9d9d2e7cb