[INFO] cloning repository https://github.com/spaghetus/ethsbell-discord-webhooks
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/spaghetus/ethsbell-discord-webhooks" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fspaghetus%2Fethsbell-discord-webhooks", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fspaghetus%2Fethsbell-discord-webhooks'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] fb2c197f519e0b60ea60e76239f2bfbbf6ba1855
[INFO] checking spaghetus/ethsbell-discord-webhooks 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%2Fspaghetus%2Fethsbell-discord-webhooks" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-3-tc2/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/spaghetus/ethsbell-discord-webhooks
[INFO] finished tweaking git repo https://github.com/spaghetus/ethsbell-discord-webhooks
[INFO] tweaked toml for git repo https://github.com/spaghetus/ethsbell-discord-webhooks written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/spaghetus/ethsbell-discord-webhooks 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/spaghetus/ethsbell-discord-webhooks 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-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 10f91e148270603668722d2a8e7f86b962d4b909322835e749f6859dbbc2867d
[INFO] running `Command { std: "docker" "start" "-a" "10f91e148270603668722d2a8e7f86b962d4b909322835e749f6859dbbc2867d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "10f91e148270603668722d2a8e7f86b962d4b909322835e749f6859dbbc2867d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "10f91e148270603668722d2a8e7f86b962d4b909322835e749f6859dbbc2867d", kill_on_drop: false }`
[INFO] [stdout] 10f91e148270603668722d2a8e7f86b962d4b909322835e749f6859dbbc2867d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 3d4cbea9ed0fd158777b0d20ad71ace31ccbad2e6df69e55ae435d48ae8e5bb3
[INFO] running `Command { std: "docker" "start" "-a" "3d4cbea9ed0fd158777b0d20ad71ace31ccbad2e6df69e55ae435d48ae8e5bb3", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.132
[INFO] [stderr]    Compiling syn v1.0.99
[INFO] [stderr]     Checking once_cell v1.13.1
[INFO] [stderr]    Compiling lock_api v0.4.8
[INFO] [stderr]    Compiling parking_lot_core v0.9.3
[INFO] [stderr]    Compiling serde_derive v1.0.144
[INFO] [stderr]    Compiling openssl-sys v0.9.75
[INFO] [stderr]     Checking smallvec v1.9.0
[INFO] [stderr]    Compiling futures-core v0.3.23
[INFO] [stderr]    Compiling tokio v1.20.1
[INFO] [stderr]    Compiling serde v1.0.144
[INFO] [stderr]    Compiling futures-task v0.3.23
[INFO] [stderr]    Compiling futures-util v0.3.23
[INFO] [stderr]    Compiling openssl v0.10.41
[INFO] [stderr]     Checking futures-sink v0.3.23
[INFO] [stderr]    Compiling futures-channel v0.3.23
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]    Compiling unicode-segmentation v1.9.0
[INFO] [stderr]     Checking regex-syntax v0.6.27
[INFO] [stderr]    Compiling serde_json v1.0.85
[INFO] [stderr]     Checking iana-time-zone v0.1.46
[INFO] [stderr]     Checking tracing-core v0.1.29
[INFO] [stderr]     Checking urlencoding v2.1.0
[INFO] [stderr]    Compiling native-tls v0.2.10
[INFO] [stderr]     Checking tracing v0.1.36
[INFO] [stderr]    Compiling subprocess v0.2.9
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking mio v0.8.4
[INFO] [stderr]     Checking socket2 v0.4.6
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking getrandom v0.2.7
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]    Compiling ethsbell-rewrite v2.1.0 (https://github.com/codeths/ethsbell-rewrite#7c785e0a)
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking regex v1.6.0
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling tokio-macros v1.8.0
[INFO] [stderr]    Compiling openssl-macros v0.1.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.32
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]     Checking structopt v0.3.26
[INFO] [stderr]     Checking thiserror v1.0.32
[INFO] [stderr]     Checking tokio-util v0.7.3
[INFO] [stderr]     Checking tokio-native-tls v0.3.0
[INFO] [stderr]     Checking h2 v0.3.14
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]     Checking chrono v0.4.22
[INFO] [stderr]     Checking serde_regex v1.1.0
[INFO] [stderr]     Checking hyper v0.14.20
[INFO] [stderr]     Checking hyper-tls v0.5.0
[INFO] [stderr]     Checking reqwest v0.11.11
[INFO] [stderr]     Checking ethsbell-discord-webhooks v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]  --> src/main.rs:6:2
[INFO] [stdout]   |
[INFO] [stdout] 6 | /     /// The URL of the schedule endpoint on the upstream ETHSBell instance.
[INFO] [stdout] 7 | |     #[structopt(short="u", long, default_value="https://ethsbell.app/api/v1/schedule")]
[INFO] [stdout] 8 | |     pub upstream_ethsbell: 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:12:2
[INFO] [stdout]    |
[INFO] [stdout] 12 | /     /// One Discord webhook url
[INFO] [stdout] 13 | |     #[structopt(short, long)]
[INFO] [stdout] 14 | |     pub discord_urls: Vec<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:15:2
[INFO] [stdout]    |
[INFO] [stdout] 15 | /     /// A file containing a list of Discord webhook urls
[INFO] [stdout] 16 | |     #[structopt(short="i", long)]
[INFO] [stdout] 17 | |     pub discord_url_file: Vec<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:6:2
[INFO] [stdout]   |
[INFO] [stdout] 6 | /     /// The URL of the schedule endpoint on the upstream ETHSBell instance.
[INFO] [stdout] 7 | |     #[structopt(short="u", long, default_value="https://ethsbell.app/api/v1/schedule")]
[INFO] [stdout] 8 | |     pub upstream_ethsbell: 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:12:2
[INFO] [stdout]    |
[INFO] [stdout] 12 | /     /// One Discord webhook url
[INFO] [stdout] 13 | |     #[structopt(short, long)]
[INFO] [stdout] 14 | |     pub discord_urls: Vec<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:15:2
[INFO] [stdout]    |
[INFO] [stdout] 15 | /     /// A file containing a list of Discord webhook urls
[INFO] [stdout] 16 | |     #[structopt(short="i", long)]
[INFO] [stdout] 17 | |     pub discord_url_file: Vec<String>,
[INFO] [stdout]    | |_____________________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ethsbell-discord-webhooks` (bin "ethsbell-discord-webhooks") due to 3 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `ethsbell-discord-webhooks` (bin "ethsbell-discord-webhooks" test) due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "3d4cbea9ed0fd158777b0d20ad71ace31ccbad2e6df69e55ae435d48ae8e5bb3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d4cbea9ed0fd158777b0d20ad71ace31ccbad2e6df69e55ae435d48ae8e5bb3", kill_on_drop: false }`
[INFO] [stdout] 3d4cbea9ed0fd158777b0d20ad71ace31ccbad2e6df69e55ae435d48ae8e5bb3