[INFO] cloning repository https://github.com/Pioterr/fromScala99
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Pioterr/fromScala99" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPioterr%2FfromScala99", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPioterr%2FfromScala99'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6647ad7ac7516589da09d7d2c2bbbe32b6330c48
[INFO] checking Pioterr/fromScala99 against master#af4a5a13a15fa0c60e06321077ef452f769b42fd for pr-122960-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPioterr%2FfromScala99" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Pioterr/fromScala99 on toolchain af4a5a13a15fa0c60e06321077ef452f769b42fd
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Pioterr/fromScala99
[INFO] finished tweaking git repo https://github.com/Pioterr/fromScala99
[INFO] tweaked toml for git repo https://github.com/Pioterr/fromScala99 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Pioterr/fromScala99 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" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d3b7c45e6b6011b443cbadb2af9692a0c8d03b7dac68d91fd388b9a08a4c0748
[INFO] running `Command { std: "docker" "start" "-a" "d3b7c45e6b6011b443cbadb2af9692a0c8d03b7dac68d91fd388b9a08a4c0748", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d3b7c45e6b6011b443cbadb2af9692a0c8d03b7dac68d91fd388b9a08a4c0748", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d3b7c45e6b6011b443cbadb2af9692a0c8d03b7dac68d91fd388b9a08a4c0748", kill_on_drop: false }`
[INFO] [stdout] d3b7c45e6b6011b443cbadb2af9692a0c8d03b7dac68d91fd388b9a08a4c0748
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a2bc1fdc151c640deffd147f87761a467b1f9f00cac5ff92accd3fbea0645088
[INFO] running `Command { std: "docker" "start" "-a" "a2bc1fdc151c640deffd147f87761a467b1f9f00cac5ff92accd3fbea0645088", kill_on_drop: false }`
[INFO] [stderr]     Checking fromScala99 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: unexpected token: `{`
[INFO] [stdout]    --> src/main.rs:111:22
[INFO] [stdout]     |
[INFO] [stdout] 111 |     for e in a_list. {
[INFO] [stdout]     |                      ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected token: `{`
[INFO] [stdout]    --> src/main.rs:111:22
[INFO] [stdout]     |
[INFO] [stdout] 111 |     for e in a_list. {
[INFO] [stdout]     |                      ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::borrow::Borrow`
[INFO] [stdout]  --> src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::borrow::Borrow;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::borrow::Borrow`
[INFO] [stdout]  --> src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::borrow::Borrow;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: `&T` is not an iterator
[INFO] [stdout]    --> src/main.rs:111:14
[INFO] [stdout]     |
[INFO] [stdout] 111 |     for e in a_list. {
[INFO] [stdout]     |              ^^^^^^ `&T` is not an iterator
[INFO] [stdout]     |
[INFO] [stdout]     = help: the trait `Iterator` is not implemented for `&T`, which is required by `&T: IntoIterator`
[INFO] [stdout]     = help: the trait `Iterator` is implemented for `&mut I`
[INFO] [stdout]     = note: required for `&T` to implement `IntoIterator`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `res`
[INFO] [stdout]   --> src/main.rs:29:9
[INFO] [stdout]    |
[INFO] [stdout] 29 |     let res = flatten_list(&vec3);
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_res`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: `&T` is not an iterator
[INFO] [stdout]    --> src/main.rs:111:14
[INFO] [stdout]     |
[INFO] [stdout] 111 |     for e in a_list. {
[INFO] [stdout]     |              ^^^^^^ `&T` is not an iterator
[INFO] [stdout]     |
[INFO] [stdout]     = help: the trait `Iterator` is not implemented for `&T`, which is required by `&T: IntoIterator`
[INFO] [stdout]     = help: the trait `Iterator` is implemented for `&mut I`
[INFO] [stdout]     = note: required for `&T` to implement `IntoIterator`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `res`
[INFO] [stdout]   --> src/main.rs:29:9
[INFO] [stdout]    |
[INFO] [stdout] 29 |     let res = flatten_list(&vec3);
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_res`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors; 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors; 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `fromScala99` (bin "fromScala99" test) due to 3 previous errors; 2 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `fromScala99` (bin "fromScala99") due to 3 previous errors; 2 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "a2bc1fdc151c640deffd147f87761a467b1f9f00cac5ff92accd3fbea0645088", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a2bc1fdc151c640deffd147f87761a467b1f9f00cac5ff92accd3fbea0645088", kill_on_drop: false }`
[INFO] [stdout] a2bc1fdc151c640deffd147f87761a467b1f9f00cac5ff92accd3fbea0645088
[INFO] checking Pioterr/fromScala99 against try#36dbcaee1a55543dfc181be52a69d99ff46ff62f for pr-122960-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPioterr%2FfromScala99" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Pioterr/fromScala99 on toolchain 36dbcaee1a55543dfc181be52a69d99ff46ff62f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+36dbcaee1a55543dfc181be52a69d99ff46ff62f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Pioterr/fromScala99
[INFO] finished tweaking git repo https://github.com/Pioterr/fromScala99
[INFO] tweaked toml for git repo https://github.com/Pioterr/fromScala99 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/Pioterr/fromScala99 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" "+36dbcaee1a55543dfc181be52a69d99ff46ff62f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+36dbcaee1a55543dfc181be52a69d99ff46ff62f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d37bf7b9abcf47956834c8cbd8ba74b362901c6a2677fa89ac944f38600cb80c
[INFO] running `Command { std: "docker" "start" "-a" "d37bf7b9abcf47956834c8cbd8ba74b362901c6a2677fa89ac944f38600cb80c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d37bf7b9abcf47956834c8cbd8ba74b362901c6a2677fa89ac944f38600cb80c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d37bf7b9abcf47956834c8cbd8ba74b362901c6a2677fa89ac944f38600cb80c", kill_on_drop: false }`
[INFO] [stdout] d37bf7b9abcf47956834c8cbd8ba74b362901c6a2677fa89ac944f38600cb80c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+36dbcaee1a55543dfc181be52a69d99ff46ff62f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 89c00066430b96300f8d05ada44e4b6ac10d07cb1901bcd1befc2e165f41f10a
[INFO] running `Command { std: "docker" "start" "-a" "89c00066430b96300f8d05ada44e4b6ac10d07cb1901bcd1befc2e165f41f10a", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] skipping non-2021 edition `2018`
[INFO] running `Command { std: "docker" "inspect" "89c00066430b96300f8d05ada44e4b6ac10d07cb1901bcd1befc2e165f41f10a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "89c00066430b96300f8d05ada44e4b6ac10d07cb1901bcd1befc2e165f41f10a", kill_on_drop: false }`
[INFO] [stdout] 89c00066430b96300f8d05ada44e4b6ac10d07cb1901bcd1befc2e165f41f10a