[INFO] cloning repository https://github.com/16aryank/rust-tutorial
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/16aryank/rust-tutorial" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F16aryank%2Frust-tutorial", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F16aryank%2Frust-tutorial'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3f0ae344bf1d185b1944437275637c23bbd44670
[INFO] fixing 16aryank/rust-tutorial against try#622891a4e29178280638a6b63a8908bde2c0c854+cargoflags=-Zfix-edition=start=2015 for pr-157817-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F16aryank%2Frust-tutorial" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/16aryank/rust-tutorial
[INFO] finished tweaking git repo https://github.com/16aryank/rust-tutorial
[INFO] tweaked toml for git repo https://github.com/16aryank/rust-tutorial written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/16aryank/rust-tutorial on toolchain 622891a4e29178280638a6b63a8908bde2c0c854
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/16aryank/rust-tutorial 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" "+622891a4e29178280638a6b63a8908bde2c0c854" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/source:/opt/rustwide/workdir:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3a6becf2bc8dde7f3fa57ede90e4f284e72d296796fc446bbb1e2c7cc0530151" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] dfb9c1e3a5d8daa845ed1c39b931cc33c31d526badb1f9fc1fb980bda410814a
[INFO] running `Command { std: "docker" "start" "dfb9c1e3a5d8daa845ed1c39b931cc33c31d526badb1f9fc1fb980bda410814a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "dfb9c1e3a5d8daa845ed1c39b931cc33c31d526badb1f9fc1fb980bda410814a" "/opt/rustwide/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dfb9c1e3a5d8daa845ed1c39b931cc33c31d526badb1f9fc1fb980bda410814a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=" "-e" "RUSTDOCFLAGS=" "-w" "/opt/rustwide/workdir" "--user" "0:0" "dfb9c1e3a5d8daa845ed1c39b931cc33c31d526badb1f9fc1fb980bda410814a" "/opt/rustwide/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "fix" "--allow-no-vcs" "--allow-dirty" "--frozen" "--all" "--all-targets" "--message-format=json" "-Zfix-edition=start=2015", kill_on_drop: false }`
[INFO] [stderr]     Checking lists v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `super::List`
[INFO] [stdout]    --> src/fifth.rs:135:9
[INFO] [stdout]     |
[INFO] [stdout] 135 |     use super::List;
[INFO] [stdout]     |         ^^^^^^^----
[INFO] [stdout]     |                |
[INFO] [stdout]     |                no `List` in `fifth`
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing one of these structs instead
[INFO] [stdout]     |
[INFO] [stdout] 135 -     use super::List;
[INFO] [stdout] 135 +     use crate::first::List;
[INFO] [stdout]     |
[INFO] [stdout] 135 -     use super::List;
[INFO] [stdout] 135 +     use crate::fourth::List;
[INFO] [stdout]     |
[INFO] [stdout] 135 -     use super::List;
[INFO] [stdout] 135 +     use crate::second::List;
[INFO] [stdout]     |
[INFO] [stdout] 135 -     use super::List;
[INFO] [stdout] 135 +     use crate::third::List;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/fourth.rs:144:24
[INFO] [stdout]     |
[INFO] [stdout] 144 | pub struct Iter<'a, T>(Option<Ref<'a, Node<T>>>);
[INFO] [stdout]     |            ----        ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |            |
[INFO] [stdout]     |            field in this struct
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider removing this field
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `lists` (lib test) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "dfb9c1e3a5d8daa845ed1c39b931cc33c31d526badb1f9fc1fb980bda410814a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dfb9c1e3a5d8daa845ed1c39b931cc33c31d526badb1f9fc1fb980bda410814a", kill_on_drop: false }`
[INFO] [stdout] dfb9c1e3a5d8daa845ed1c39b931cc33c31d526badb1f9fc1fb980bda410814a
