[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] testing Pioterr/fromScala99 against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPioterr%2FfromScala99" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Pioterr/fromScala99 on toolchain 722e1797249a965b6335aebd65d777f917e498f1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "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-2/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: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", 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] 3723ab0914f73df55db99eb7d45b59cc87f07346e9226a897577ede46d9313db
[INFO] running `Command { std: "docker" "start" "-a" "3723ab0914f73df55db99eb7d45b59cc87f07346e9226a897577ede46d9313db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3723ab0914f73df55db99eb7d45b59cc87f07346e9226a897577ede46d9313db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3723ab0914f73df55db99eb7d45b59cc87f07346e9226a897577ede46d9313db", kill_on_drop: false }`
[INFO] [stdout] 3723ab0914f73df55db99eb7d45b59cc87f07346e9226a897577ede46d9313db
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--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] 1de4bd9875c2b9129b5b368ed8158b67ed602f80428914114263decaf6e96fdd
[INFO] running `Command { std: "docker" "start" "-a" "1de4bd9875c2b9129b5b368ed8158b67ed602f80428914114263decaf6e96fdd", kill_on_drop: false }`
[INFO] [stderr]    Compiling 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] 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`
[INFO] [stdout]     = note: required because of the requirements on the impl of `IntoIterator` for `&T`
[INFO] [stdout] note: required by `into_iter`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors; 1 warning 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` due to 3 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "1de4bd9875c2b9129b5b368ed8158b67ed602f80428914114263decaf6e96fdd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1de4bd9875c2b9129b5b368ed8158b67ed602f80428914114263decaf6e96fdd", kill_on_drop: false }`
[INFO] [stdout] 1de4bd9875c2b9129b5b368ed8158b67ed602f80428914114263decaf6e96fdd