[INFO] cloning repository https://github.com/stefnotch/open-student-solution
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/stefnotch/open-student-solution" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstefnotch%2Fopen-student-solution", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstefnotch%2Fopen-student-solution'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] faaafc368b0b88973ca61c203239d217406bcded
[INFO] checking stefnotch/open-student-solution against master#bca37a20bd376ce3fd138e7cdee7fe704e0f8814 for pr-139493-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstefnotch%2Fopen-student-solution" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/stefnotch/open-student-solution
[INFO] finished tweaking git repo https://github.com/stefnotch/open-student-solution
[INFO] tweaked toml for git repo https://github.com/stefnotch/open-student-solution written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/stefnotch/open-student-solution on toolchain bca37a20bd376ce3fd138e7cdee7fe704e0f8814
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/stefnotch/open-student-solution 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" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded open v3.0.1
[INFO] [stderr]   Downloaded crossterm_winapi v0.8.0
[INFO] [stderr]   Downloaded confy v0.4.0
[INFO] [stderr]   Downloaded newline-converter v0.2.0
[INFO] [stderr]   Downloaded clipboard-win v4.4.1
[INFO] [stderr]   Downloaded bytemuck v1.10.0
[INFO] [stderr]   Downloaded arboard v2.1.1
[INFO] [stderr]   Downloaded inquire v0.2.1
[INFO] [stderr]   Downloaded serde v1.0.138
[INFO] [stderr]   Downloaded crossterm v0.24.0
[INFO] [stderr]   Downloaded crossterm v0.21.0
[INFO] [stderr]   Downloaded tui v0.18.0
[INFO] [stderr]   Downloaded weezl v0.1.7
[INFO] [stderr]   Downloaded serde_derive v1.0.138
[INFO] [stderr]   Downloaded x11rb v0.9.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8bfc3d44dd24c441cdac387f61488fe7192abf6575cc62e0a73f9f29d81ee638
[INFO] running `Command { std: "docker" "start" "-a" "8bfc3d44dd24c441cdac387f61488fe7192abf6575cc62e0a73f9f29d81ee638", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8bfc3d44dd24c441cdac387f61488fe7192abf6575cc62e0a73f9f29d81ee638", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8bfc3d44dd24c441cdac387f61488fe7192abf6575cc62e0a73f9f29d81ee638", kill_on_drop: false }`
[INFO] [stdout] 8bfc3d44dd24c441cdac387f61488fe7192abf6575cc62e0a73f9f29d81ee638
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e7cd0b99487a9a8e805e46cf62bc55520239c6178d0a0f1b69b37f0c17372983
[INFO] running `Command { std: "docker" "start" "-a" "e7cd0b99487a9a8e805e46cf62bc55520239c6178d0a0f1b69b37f0c17372983", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling proc-macro2 v1.0.40
[INFO] [stderr]    Compiling quote v1.0.20
[INFO] [stderr]    Compiling unicode-ident v1.0.1
[INFO] [stderr]    Compiling syn v1.0.98
[INFO] [stderr]     Checking smallvec v1.9.0
[INFO] [stderr]    Compiling signal-hook v0.3.14
[INFO] [stderr]    Compiling serde_derive v1.0.138
[INFO] [stderr]    Compiling num-iter v0.1.43
[INFO] [stderr]    Compiling serde v1.0.138
[INFO] [stderr]     Checking bytemuck v1.10.0
[INFO] [stderr]     Checking num-rational v0.3.2
[INFO] [stderr]     Checking newline-converter v0.2.0
[INFO] [stderr]     Checking pathdiff v0.2.1
[INFO] [stderr]     Checking fs_extra v1.2.0
[INFO] [stderr]     Checking open v3.0.1
[INFO] [stderr]     Checking image v0.23.14
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking mio v0.8.4
[INFO] [stderr]     Checking mio v0.7.14
[INFO] [stderr]     Checking parking_lot_core v0.9.3
[INFO] [stderr]     Checking parking_lot_core v0.8.5
[INFO] [stderr]     Checking nix v0.22.3
[INFO] [stderr]     Checking dirs-sys v0.3.7
[INFO] [stderr]     Checking gethostname v0.2.3
[INFO] [stderr]     Checking directories v2.0.2
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking signal-hook-mio v0.2.3
[INFO] [stderr]     Checking crossterm v0.21.0
[INFO] [stderr]     Checking crossterm v0.23.2
[INFO] [stderr]     Checking crossterm v0.24.0
[INFO] [stderr]     Checking tui v0.18.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.31
[INFO] [stderr]     Checking thiserror v1.0.31
[INFO] [stderr]     Checking x11rb v0.9.0
[INFO] [stderr]     Checking inquire v0.2.1
[INFO] [stderr]     Checking toml v0.5.9
[INFO] [stderr]     Checking arboard v2.1.1
[INFO] [stderr]     Checking confy v0.4.0
[INFO] [stderr]     Checking open-student-solution v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 14.26s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: fs_extra v1.2.0
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 4`
[INFO] running `Command { std: "docker" "inspect" "e7cd0b99487a9a8e805e46cf62bc55520239c6178d0a0f1b69b37f0c17372983", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e7cd0b99487a9a8e805e46cf62bc55520239c6178d0a0f1b69b37f0c17372983", kill_on_drop: false }`
[INFO] [stdout] e7cd0b99487a9a8e805e46cf62bc55520239c6178d0a0f1b69b37f0c17372983