[INFO] cloning repository https://github.com/eda3/rust_by_example
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/eda3/rust_by_example" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feda3%2Frust_by_example", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feda3%2Frust_by_example'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6a6ce944bf302d0525297dbb34073341a008778a
[INFO] testing eda3/rust_by_example against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feda3%2Frust_by_example" "/workspace/builds/worker-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/eda3/rust_by_example on toolchain 62efba8a050c64249dab942951bb28f710208bc8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/eda3/rust_by_example
[INFO] finished tweaking git repo https://github.com/eda3/rust_by_example
[INFO] tweaked toml for git repo https://github.com/eda3/rust_by_example written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/eda3/rust_by_example already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5739c825b40d9857ce56fea4f0a738a3980d57ff6c2bf8a4dbcb282801e4857c
[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" "5739c825b40d9857ce56fea4f0a738a3980d57ff6c2bf8a4dbcb282801e4857c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5739c825b40d9857ce56fea4f0a738a3980d57ff6c2bf8a4dbcb282801e4857c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5739c825b40d9857ce56fea4f0a738a3980d57ff6c2bf8a4dbcb282801e4857c", kill_on_drop: false }`
[INFO] [stdout] 5739c825b40d9857ce56fea4f0a738a3980d57ff6c2bf8a4dbcb282801e4857c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a30b76d57036621dc4620d046d31b1e65d0348cd5d82e307fa71ad8932653948
[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" "a30b76d57036621dc4620d046d31b1e65d0348cd5d82e307fa71ad8932653948", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust_by_example v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0425]: cannot find value `integer` in this scope
[INFO] [stdout]   --> src/bin/02-0_primitives.rs:13:17
[INFO] [stdout]    |
[INFO] [stdout] 13 |   let default = integer = 7; // i32
[INFO] [stdout]    |                 ^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0425`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rust_by_example` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: function is never used: `printer`
[INFO] [stdout]  --> src/bin/14-4-0_bounds.rs:8:4
[INFO] [stdout]   |
[INFO] [stdout] 8 | fn printer<T: Display>(t: T) {
[INFO] [stdout]   |    ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `red`
[INFO] [stdout]   --> src/bin/01-2-3-0_fmt.rs:30:3
[INFO] [stdout]    |
[INFO] [stdout] 30 |   red: u8,
[INFO] [stdout]    |   ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `green`
[INFO] [stdout]   --> src/bin/01-2-3-0_fmt.rs:31:3
[INFO] [stdout]    |
[INFO] [stdout] 31 |   green: u8,
[INFO] [stdout]    |   ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `blue`
[INFO] [stdout]   --> src/bin/01-2-3-0_fmt.rs:32:3
[INFO] [stdout]    |
[INFO] [stdout] 32 |   blue: u8,
[INFO] [stdout]    |   ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `length`
[INFO] [stdout]   --> src/bin/14-4-0_bounds.rs:30:3
[INFO] [stdout]    |
[INFO] [stdout] 30 |   length: f64,
[INFO] [stdout]    |   ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `height`
[INFO] [stdout]   --> src/bin/14-4-0_bounds.rs:31:3
[INFO] [stdout]    |
[INFO] [stdout] 31 |   height: f64,
[INFO] [stdout]    |   ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `value`
[INFO] [stdout]   --> src/bin/06-1-0_from_into.rs:24:3
[INFO] [stdout]    |
[INFO] [stdout] 24 |   value: i32,
[INFO] [stdout]    |   ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `name`
[INFO] [stdout]  --> src/bin/03-1-0_structs.rs:4:3
[INFO] [stdout]   |
[INFO] [stdout] 4 |   name: &'a str,
[INFO] [stdout]   |   ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `age`
[INFO] [stdout]  --> src/bin/03-1-0_structs.rs:5:3
[INFO] [stdout]   |
[INFO] [stdout] 5 |   age: u8,
[INFO] [stdout]   |   ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "a30b76d57036621dc4620d046d31b1e65d0348cd5d82e307fa71ad8932653948", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a30b76d57036621dc4620d046d31b1e65d0348cd5d82e307fa71ad8932653948", kill_on_drop: false }`
[INFO] [stdout] a30b76d57036621dc4620d046d31b1e65d0348cd5d82e307fa71ad8932653948