[INFO] cloning repository https://github.com/coltonpulokas/median_mode
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/coltonpulokas/median_mode" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcoltonpulokas%2Fmedian_mode", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcoltonpulokas%2Fmedian_mode'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c5f461f1be787523de61a941a085499e8d354980
[INFO] fixing coltonpulokas/median_mode 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%2Fcoltonpulokas%2Fmedian_mode" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/coltonpulokas/median_mode
[INFO] finished tweaking git repo https://github.com/coltonpulokas/median_mode
[INFO] tweaked toml for git repo https://github.com/coltonpulokas/median_mode written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/coltonpulokas/median_mode 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/coltonpulokas/median_mode 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-0-tc1/source:/opt/rustwide/workdir:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 103b1df9ae93618881d29921dad8d4f45fc3926866ee6ebbdeaa776518b12652
[INFO] running `Command { std: "docker" "start" "103b1df9ae93618881d29921dad8d4f45fc3926866ee6ebbdeaa776518b12652", 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" "103b1df9ae93618881d29921dad8d4f45fc3926866ee6ebbdeaa776518b12652" "/opt/rustwide/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "103b1df9ae93618881d29921dad8d4f45fc3926866ee6ebbdeaa776518b12652", 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" "103b1df9ae93618881d29921dad8d4f45fc3926866ee6ebbdeaa776518b12652" "/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 median_mode v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0277]: `&str` is not an iterator
[INFO] [stdout]   --> src/main.rs:15:14
[INFO] [stdout]    |
[INFO] [stdout] 15 |     for n in list {
[INFO] [stdout]    |              ^^^^ `&str` is not an iterator; try calling `.chars()` or `.bytes()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: the trait `Iterator` is not implemented for `&str`
[INFO] [stdout]    = note: required for `&str` to implement `IntoIterator`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sortedlist`
[INFO] [stdout]  --> src/main.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 7 |     let sortedlist = sortlist(list);
[INFO] [stdout]   |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_sortedlist`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: `&str` is not an iterator
[INFO] [stdout]   --> src/main.rs:15:14
[INFO] [stdout]    |
[INFO] [stdout] 15 |     for n in list {
[INFO] [stdout]    |              ^^^^ `&str` is not an iterator; try calling `.chars()` or `.bytes()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: the trait `Iterator` is not implemented for `&str`
[INFO] [stdout]    = note: required for `&str` to implement `IntoIterator`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sortedlist`
[INFO] [stdout]  --> src/main.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 7 |     let sortedlist = sortlist(list);
[INFO] [stdout]   |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_sortedlist`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `median_mode` (bin "median_mode" test) due to 1 previous error; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `median_mode` (bin "median_mode") due to 1 previous error; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "103b1df9ae93618881d29921dad8d4f45fc3926866ee6ebbdeaa776518b12652", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "103b1df9ae93618881d29921dad8d4f45fc3926866ee6ebbdeaa776518b12652", kill_on_drop: false }`
[INFO] [stdout] 103b1df9ae93618881d29921dad8d4f45fc3926866ee6ebbdeaa776518b12652
