[INFO] cloning repository https://github.com/dgeene/statistics
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dgeene/statistics" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdgeene%2Fstatistics", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdgeene%2Fstatistics'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 19d0ff86d4aa973f6ee7b7a5619f01b91c2aac07
[INFO] testing dgeene/statistics against master#1871252fc8bb672d40787e67404e6eaae7059369 for pr-125151
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdgeene%2Fstatistics" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dgeene/statistics on toolchain 1871252fc8bb672d40787e67404e6eaae7059369
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/dgeene/statistics
[INFO] finished tweaking git repo https://github.com/dgeene/statistics
[INFO] tweaked toml for git repo https://github.com/dgeene/statistics written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/dgeene/statistics 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" "+1871252fc8bb672d40787e67404e6eaae7059369" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[ERROR] this task or one of its parent failed!
[ERROR] no output for 300 seconds
[ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace.
[INFO] testing dgeene/statistics against try#b642703cf9526da1e72c0b6755753b939a9c6b6d for pr-125151
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdgeene%2Fstatistics" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dgeene/statistics on toolchain b642703cf9526da1e72c0b6755753b939a9c6b6d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b642703cf9526da1e72c0b6755753b939a9c6b6d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/dgeene/statistics
[INFO] finished tweaking git repo https://github.com/dgeene/statistics
[INFO] tweaked toml for git repo https://github.com/dgeene/statistics written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/dgeene/statistics 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" "+b642703cf9526da1e72c0b6755753b939a9c6b6d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+b642703cf9526da1e72c0b6755753b939a9c6b6d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ecf73070286c1e97045b3fa293c53a191c2105cb570c26af259b22c1d8a3db9d
[INFO] running `Command { std: "docker" "start" "-a" "ecf73070286c1e97045b3fa293c53a191c2105cb570c26af259b22c1d8a3db9d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ecf73070286c1e97045b3fa293c53a191c2105cb570c26af259b22c1d8a3db9d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ecf73070286c1e97045b3fa293c53a191c2105cb570c26af259b22c1d8a3db9d", kill_on_drop: false }`
[INFO] [stdout] ecf73070286c1e97045b3fa293c53a191c2105cb570c26af259b22c1d8a3db9d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+b642703cf9526da1e72c0b6755753b939a9c6b6d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7fd2c9a8f98b7a9060f2b1369ca20fc5d17e8db1e75a3bdd55f34af64513d4f1
[INFO] running `Command { std: "docker" "start" "-a" "7fd2c9a8f98b7a9060f2b1369ca20fc5d17e8db1e75a3bdd55f34af64513d4f1", kill_on_drop: false }`
[INFO] [stderr]    Compiling statistics v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/main.rs:29:18
[INFO] [stdout]    |
[INFO] [stdout] 29 |         if val < elem {
[INFO] [stdout]    |            ---   ^^^^ expected `i32`, found `&i32`
[INFO] [stdout]    |            |
[INFO] [stdout]    |            expected because this is `i32`
[INFO] [stdout]    |
[INFO] [stdout] help: consider dereferencing the borrow
[INFO] [stdout]    |
[INFO] [stdout] 29 |         if val < *elem {
[INFO] [stdout]    |                  +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/main.rs:30:19
[INFO] [stdout]    |
[INFO] [stdout] 25 |     let mut val = unsorted[0];
[INFO] [stdout]    |                   ----------- expected due to this value
[INFO] [stdout] ...
[INFO] [stdout] 30 |             val = elem;
[INFO] [stdout]    |                   ^^^^ expected `i32`, found `&i32`
[INFO] [stdout]    |
[INFO] [stdout] help: consider dereferencing the borrow
[INFO] [stdout]    |
[INFO] [stdout] 30 |             val = *elem;
[INFO] [stdout]    |                   +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `statistics` (bin "statistics") due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "7fd2c9a8f98b7a9060f2b1369ca20fc5d17e8db1e75a3bdd55f34af64513d4f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7fd2c9a8f98b7a9060f2b1369ca20fc5d17e8db1e75a3bdd55f34af64513d4f1", kill_on_drop: false }`
[INFO] [stdout] 7fd2c9a8f98b7a9060f2b1369ca20fc5d17e8db1e75a3bdd55f34af64513d4f1