[INFO] cloning repository https://github.com/meganehouser/rustmatrix
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/meganehouser/rustmatrix" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmeganehouser%2Frustmatrix", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmeganehouser%2Frustmatrix'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7139dacee7355bac8fd47b6612ec4401ee08ba05
[INFO] checking meganehouser/rustmatrix against master#fc81ad22c453776de16acf9938976930cf8c9401 for pr-77325
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmeganehouser%2Frustmatrix" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/meganehouser/rustmatrix on toolchain fc81ad22c453776de16acf9938976930cf8c9401
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+fc81ad22c453776de16acf9938976930cf8c9401" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/meganehouser/rustmatrix
[INFO] finished tweaking git repo https://github.com/meganehouser/rustmatrix
[INFO] tweaked toml for git repo https://github.com/meganehouser/rustmatrix written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/meganehouser/rustmatrix already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+fc81ad22c453776de16acf9938976930cf8c9401" "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-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+fc81ad22c453776de16acf9938976930cf8c9401" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b9e5f376a51017d8c34cdce40f955574e290cb4e8dda5080bacbb512e3842bf5
[INFO] running `Command { std: "docker" "start" "-a" "b9e5f376a51017d8c34cdce40f955574e290cb4e8dda5080bacbb512e3842bf5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b9e5f376a51017d8c34cdce40f955574e290cb4e8dda5080bacbb512e3842bf5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b9e5f376a51017d8c34cdce40f955574e290cb4e8dda5080bacbb512e3842bf5", kill_on_drop: false }`
[INFO] [stdout] b9e5f376a51017d8c34cdce40f955574e290cb4e8dda5080bacbb512e3842bf5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+fc81ad22c453776de16acf9938976930cf8c9401" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9b006e2a20097e562aac53ef1aefea7b30427edd0174078880a00790a73dc7a0
[INFO] running `Command { std: "docker" "start" "-a" "9b006e2a20097e562aac53ef1aefea7b30427edd0174078880a00790a73dc7a0", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.65
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling fnv v1.0.6
[INFO] [stderr]    Compiling strsim v0.9.2
[INFO] [stderr]    Compiling cc v1.0.46
[INFO] [stderr]    Compiling serde v1.0.101
[INFO] [stderr]    Compiling pkg-config v0.3.16
[INFO] [stderr]     Checking array-macro v1.0.4
[INFO] [stderr]     Checking stable_deref_trait v1.1.1
[INFO] [stderr]     Checking unicode-segmentation v1.3.0
[INFO] [stderr]     Checking maplit v1.0.2
[INFO] [stderr]     Checking xi-unicode v0.2.0
[INFO] [stderr]     Checking unicode-width v0.1.6
[INFO] [stderr]    Compiling num-complex v0.2.3
[INFO] [stderr]    Compiling num-iter v0.1.39
[INFO] [stderr]    Compiling num-rational v0.2.2
[INFO] [stderr]     Checking crossbeam-channel v0.3.9
[INFO] [stderr]     Checking owning_ref v0.4.0
[INFO] [stderr]     Checking num v0.2.0
[INFO] [stderr]    Compiling ncurses v5.99.0
[INFO] [stderr]     Checking getrandom v0.1.12
[INFO] [stderr]     Checking signal-hook-registry v1.1.1
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking term_size v0.3.1
[INFO] [stderr]     Checking termion v1.5.3
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking signal-hook v0.1.10
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking chrono v0.4.9
[INFO] [stderr]     Checking rand v0.7.2
[INFO] [stderr]     Checking toml v0.5.3
[INFO] [stderr]    Compiling darling_core v0.10.1
[INFO] [stderr]    Compiling enum-map-derive v0.4.3
[INFO] [stderr]    Compiling darling_macro v0.10.1
[INFO] [stderr]     Checking enum-map v0.6.1
[INFO] [stderr]    Compiling darling v0.10.1
[INFO] [stderr]    Compiling enumset_derive v0.4.3
[INFO] [stderr]     Checking enumset v0.4.4
[INFO] [stderr]     Checking cursive v0.13.0
[INFO] [stderr]     Checking rustmatrix v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `previous_char`
[INFO] [stdout]   --> src/view.rs:56:5
[INFO] [stdout]    |
[INFO] [stdout] 56 |     previous_char: Character,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `previous_char`
[INFO] [stdout]   --> src/view.rs:56:5
[INFO] [stdout]    |
[INFO] [stdout] 56 |     previous_char: Character,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 29.78s
[INFO] running `Command { std: "docker" "inspect" "9b006e2a20097e562aac53ef1aefea7b30427edd0174078880a00790a73dc7a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b006e2a20097e562aac53ef1aefea7b30427edd0174078880a00790a73dc7a0", kill_on_drop: false }`
[INFO] [stdout] 9b006e2a20097e562aac53ef1aefea7b30427edd0174078880a00790a73dc7a0