[INFO] cloning repository https://github.com/kazan404/rust-sand
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kazan404/rust-sand" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkazan404%2Frust-sand", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkazan404%2Frust-sand'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 363076e0ac3cc8efbdc8f43ef8e7f66b2e246568
[INFO] testing kazan404/rust-sand against master#cdb45c87e2cd43495379f7e867e3cc15dcee9f93 for pr-145838-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkazan404%2Frust-sand" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/kazan404/rust-sand
[INFO] finished tweaking git repo https://github.com/kazan404/rust-sand
[INFO] tweaked toml for git repo https://github.com/kazan404/rust-sand written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/kazan404/rust-sand on toolchain cdb45c87e2cd43495379f7e867e3cc15dcee9f93
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/kazan404/rust-sand 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" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e0e7d506e87f69e29a98d057114e2781ca67f21b81d35a7464cefbbd4ffa7d8e
[INFO] running `Command { std: "docker" "start" "-a" "e0e7d506e87f69e29a98d057114e2781ca67f21b81d35a7464cefbbd4ffa7d8e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e0e7d506e87f69e29a98d057114e2781ca67f21b81d35a7464cefbbd4ffa7d8e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e0e7d506e87f69e29a98d057114e2781ca67f21b81d35a7464cefbbd4ffa7d8e", kill_on_drop: false }`
[INFO] [stdout] e0e7d506e87f69e29a98d057114e2781ca67f21b81d35a7464cefbbd4ffa7d8e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ab55834c307c5bac41412e56137aba513c4521fc9ff252be791fed06dbc1aedb
[INFO] running `Command { std: "docker" "start" "-a" "ab55834c307c5bac41412e56137aba513c4521fc9ff252be791fed06dbc1aedb", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-sandbox v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0425]: cannot find value `biv` in this scope
[INFO] [stdout]   --> src/calc.rs:23:12
[INFO] [stdout]    |
[INFO] [stdout] 23 |     base / biv
[INFO] [stdout]    |            ^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0369]: cannot add `T` to `T`
[INFO] [stdout]  --> src/calc.rs:3:7
[INFO] [stdout]   |
[INFO] [stdout] 3 |     a + b
[INFO] [stdout]   |     - ^ - T
[INFO] [stdout]   |     |
[INFO] [stdout]   |     T
[INFO] [stdout]   |
[INFO] [stdout] help: consider restricting type parameter `T` with trait `Add`
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn Add<T: std::ops::Add<Output = T>>(a: T, b: T) -> T
[INFO] [stdout]   |             +++++++++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0369]: cannot subtract `T` from `T`
[INFO] [stdout]  --> src/calc.rs:8:10
[INFO] [stdout]   |
[INFO] [stdout] 8 |     base - away
[INFO] [stdout]   |     ---- ^ ---- T
[INFO] [stdout]   |     |
[INFO] [stdout]   |     T
[INFO] [stdout]   |
[INFO] [stdout] help: consider restricting type parameter `T` with trait `Sub`
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn Sub<T: std::ops::Sub<Output = T>>(base: T, away: T) -> T
[INFO] [stdout]   |             +++++++++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0369]: cannot multiply `T` by `T`
[INFO] [stdout]   --> src/calc.rs:13:7
[INFO] [stdout]    |
[INFO] [stdout] 13 |     a * b
[INFO] [stdout]    |     - ^ - T
[INFO] [stdout]    |     |
[INFO] [stdout]    |     T
[INFO] [stdout]    |
[INFO] [stdout] help: consider restricting type parameter `T` with trait `Mul`
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub fn Mul<T: std::ops::Mul<Output = T>>(a: T, b: T) -> T
[INFO] [stdout]    |             +++++++++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/calc.rs:20:9
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub fn Div<T>(base: T, div: T) -> T
[INFO] [stdout]    |            - expected this type parameter
[INFO] [stdout] 17 | {
[INFO] [stdout] 18 |     match div 
[INFO] [stdout]    |           --- this expression has type `T`
[INFO] [stdout] 19 |     {
[INFO] [stdout] 20 |         Ok(div) => div,
[INFO] [stdout]    |         ^^^^^^^ expected type parameter `T`, found `Result<_, _>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected type parameter `T`
[INFO] [stdout]                         found enum `Result<_, _>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/calc.rs:21:9
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub fn Div<T>(base: T, div: T) -> T
[INFO] [stdout]    |            - expected this type parameter
[INFO] [stdout] 17 | {
[INFO] [stdout] 18 |     match div 
[INFO] [stdout]    |           --- this expression has type `T`
[INFO] [stdout] ...
[INFO] [stdout] 21 |         Err(err) => println!("Divided Zero!")
[INFO] [stdout]    |         ^^^^^^^^ expected type parameter `T`, found `Result<_, _>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected type parameter `T`
[INFO] [stdout]                         found enum `Result<_, _>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0308, E0369, E0425.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rust-sandbox` (bin "rust-sandbox") due to 6 previous errors
[INFO] running `Command { std: "docker" "inspect" "ab55834c307c5bac41412e56137aba513c4521fc9ff252be791fed06dbc1aedb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab55834c307c5bac41412e56137aba513c4521fc9ff252be791fed06dbc1aedb", kill_on_drop: false }`
[INFO] [stdout] ab55834c307c5bac41412e56137aba513c4521fc9ff252be791fed06dbc1aedb