[INFO] cloning repository https://github.com/insou22/flymark
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/insou22/flymark" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Finsou22%2Fflymark", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Finsou22%2Fflymark'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 48ee35b93c7672d77caba1dfaf79f3f7e6c0741a
[INFO] checking insou22/flymark against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Finsou22%2Fflymark" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/insou22/flymark
[INFO] finished tweaking git repo https://github.com/insou22/flymark
[INFO] tweaked toml for git repo https://github.com/insou22/flymark written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/insou22/flymark on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/insou22/flymark 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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 22740e014207776af989aeb342c9ddd6202a472fbc6b8370a3b7d328347cc092
[INFO] running `Command { std: "docker" "start" "-a" "22740e014207776af989aeb342c9ddd6202a472fbc6b8370a3b7d328347cc092", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "22740e014207776af989aeb342c9ddd6202a472fbc6b8370a3b7d328347cc092", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "22740e014207776af989aeb342c9ddd6202a472fbc6b8370a3b7d328347cc092", kill_on_drop: false }`
[INFO] [stdout] 22740e014207776af989aeb342c9ddd6202a472fbc6b8370a3b7d328347cc092
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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 -Dunmustuse_in_always_ok" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2de3126f4305f08d229aeb4f94bbc34087ee901f714beffba28b92596f26ab20
[INFO] running `Command { std: "docker" "start" "-a" "2de3126f4305f08d229aeb4f94bbc34087ee901f714beffba28b92596f26ab20", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.125
[INFO] [stderr]    Compiling proc-macro2 v1.0.37
[INFO] [stderr]    Compiling unicode-xid v0.2.3
[INFO] [stderr]    Compiling syn v1.0.92
[INFO] [stderr]    Compiling openssl-sys v0.9.73
[INFO] [stderr]    Compiling signal-hook v0.3.13
[INFO] [stderr]     Checking tracing-core v0.1.26
[INFO] [stderr]    Compiling openssl v0.10.39
[INFO] [stderr]     Checking indexmap v1.8.1
[INFO] [stderr]     Checking http v0.2.7
[INFO] [stderr]     Checking unicode-normalization v0.1.19
[INFO] [stderr]    Compiling backtrace v0.3.66
[INFO] [stderr]    Compiling serde_json v1.0.80
[INFO] [stderr]     Checking gimli v0.26.2
[INFO] [stderr]     Checking miniz_oxide v0.5.3
[INFO] [stderr]     Checking object v0.29.0
[INFO] [stderr]    Compiling async-trait v0.1.53
[INFO] [stderr]     Checking rustc-demangle v0.1.21
[INFO] [stderr]    Compiling anyhow v1.0.57
[INFO] [stderr]     Checking os_str_bytes v6.0.0
[INFO] [stderr]     Checking unicode-segmentation v1.9.0
[INFO] [stderr]     Checking fastrand v1.7.0
[INFO] [stderr]     Checking textwrap v0.15.0
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking clap_lex v0.2.0
[INFO] [stderr]     Checking tmux_interface v0.2.1
[INFO] [stderr]     Checking futures-timer v3.0.2
[INFO] [stderr]    Compiling native-tls v0.2.10
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking mio v0.8.2
[INFO] [stderr]     Checking parking_lot_core v0.9.3
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking socket2 v0.4.4
[INFO] [stderr]     Checking mio v0.7.14
[INFO] [stderr]     Checking parking_lot_core v0.8.5
[INFO] [stderr]     Checking idna v0.2.3
[INFO] [stderr]     Checking terminal_size v0.1.17
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking parking_lot v0.12.0
[INFO] [stderr]     Checking console v0.15.1
[INFO] [stderr]     Checking tempfile v3.3.0
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]     Checking http-body v0.4.4
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking memfile v0.2.1
[INFO] [stderr]     Checking signal-hook-mio v0.2.3
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking crossterm v0.23.2
[INFO] [stderr]     Checking crossterm v0.22.1
[INFO] [stderr]     Checking url v2.2.2
[INFO] [stderr]     Checking tui-input v0.1.2
[INFO] [stderr]     Checking tui v0.18.0
[INFO] [stderr]     Checking addr2line v0.17.0
[INFO] [stderr]     Checking better-panic v0.3.0
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling tokio-macros v1.7.0
[INFO] [stderr]    Compiling futures-macro v0.3.21
[INFO] [stderr]    Compiling tracing-attributes v0.1.21
[INFO] [stderr]    Compiling openssl-macros v0.1.0
[INFO] [stderr]    Compiling serde_derive v1.0.137
[INFO] [stderr]    Compiling clap_derive v3.1.7
[INFO] [stderr]     Checking tokio v1.18.1
[INFO] [stderr]     Checking futures-util v0.3.21
[INFO] [stderr]     Checking clap v3.1.15
[INFO] [stderr]     Checking tracing v0.1.34
[INFO] [stderr]     Checking serde v1.0.137
[INFO] [stderr]     Checking futures-executor v0.3.21
[INFO] [stderr]     Checking futures v0.3.21
[INFO] [stderr]     Checking tokio-util v0.7.1
[INFO] [stderr]     Checking tokio-native-tls v0.3.0
[INFO] [stderr]     Checking h2 v0.3.13
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]     Checking hyper v0.14.18
[INFO] [stderr]     Checking hyper-tls v0.5.0
[INFO] [stderr]     Checking reqwest v0.11.10
[INFO] [stderr]     Checking flymark v0.10.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/main.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 | /     /// The cgi endpoint you will use for marking (overrides the course + session args).
[INFO] [stdout] 23 | |     /// Generally not required.
[INFO] [stdout] 24 | |     #[clap(short('e'), long)]
[INFO] [stdout] 25 | |     cgi_endpoint: Option<String>,
[INFO] [stdout]    | |________________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/main.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 27 | /     /// Command to run the marking pager (default: tries to find bat, falls back to less)
[INFO] [stdout] 28 | |     #[clap(short, long)]
[INFO] [stdout] 29 | |     pager_command: Option<String>,
[INFO] [stdout]    | |_________________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/main.rs:31:5
[INFO] [stdout]    |
[INFO] [stdout] 31 | /     /// The name of the mark that we're marking for
[INFO] [stdout] 32 | |     #[clap(short, long, default_value = "performance")]
[INFO] [stdout] 33 | |     mark_name: String,
[INFO] [stdout]    | |_____________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/main.rs:49:5
[INFO] [stdout]    |
[INFO] [stdout] 49 | /     /// The path to the marking scheme you will use
[INFO] [stdout] 50 | |     scheme: String,
[INFO] [stdout]    | |__________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/main.rs:52:5
[INFO] [stdout]    |
[INFO] [stdout] 52 | /     /// Course (format: cs1521)
[INFO] [stdout] 53 | |     course: String,
[INFO] [stdout]    | |__________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/main.rs:55:5
[INFO] [stdout]    |
[INFO] [stdout] 55 | /     /// Session (format: 22T1)
[INFO] [stdout] 56 | |     session: String,
[INFO] [stdout]    | |___________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/main.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 | /     /// The cgi endpoint you will use for marking (overrides the course + session args).
[INFO] [stdout] 23 | |     /// Generally not required.
[INFO] [stdout] 24 | |     #[clap(short('e'), long)]
[INFO] [stdout] 25 | |     cgi_endpoint: Option<String>,
[INFO] [stdout]    | |________________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/main.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 27 | /     /// Command to run the marking pager (default: tries to find bat, falls back to less)
[INFO] [stdout] 28 | |     #[clap(short, long)]
[INFO] [stdout] 29 | |     pager_command: Option<String>,
[INFO] [stdout]    | |_________________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/main.rs:31:5
[INFO] [stdout]    |
[INFO] [stdout] 31 | /     /// The name of the mark that we're marking for
[INFO] [stdout] 32 | |     #[clap(short, long, default_value = "performance")]
[INFO] [stdout] 33 | |     mark_name: String,
[INFO] [stdout]    | |_____________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/main.rs:49:5
[INFO] [stdout]    |
[INFO] [stdout] 49 | /     /// The path to the marking scheme you will use
[INFO] [stdout] 50 | |     scheme: String,
[INFO] [stdout]    | |__________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/main.rs:52:5
[INFO] [stdout]    |
[INFO] [stdout] 52 | /     /// Course (format: cs1521)
[INFO] [stdout] 53 | |     course: String,
[INFO] [stdout]    | |__________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/main.rs:55:5
[INFO] [stdout]    |
[INFO] [stdout] 55 | /     /// Session (format: 22T1)
[INFO] [stdout] 56 | |     session: String,
[INFO] [stdout]    | |___________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `flymark` (bin "flymark" test) due to 6 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `flymark` (bin "flymark") due to 6 previous errors
[INFO] running `Command { std: "docker" "inspect" "2de3126f4305f08d229aeb4f94bbc34087ee901f714beffba28b92596f26ab20", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2de3126f4305f08d229aeb4f94bbc34087ee901f714beffba28b92596f26ab20", kill_on_drop: false }`
[INFO] [stdout] 2de3126f4305f08d229aeb4f94bbc34087ee901f714beffba28b92596f26ab20