[INFO] cloning repository https://github.com/kju8/rust-dicebot
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kju8/rust-dicebot" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkju8%2Frust-dicebot", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkju8%2Frust-dicebot'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b34e1cbd7dddb7437dfdeccd25020577c642ae69
[INFO] building kju8/rust-dicebot against try#58b1b3c5342a414c161338871f8004258ccef2a7 for pr-149937
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkju8%2Frust-dicebot" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/kju8/rust-dicebot
[INFO] finished tweaking git repo https://github.com/kju8/rust-dicebot
[INFO] tweaked toml for git repo https://github.com/kju8/rust-dicebot written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/kju8/rust-dicebot on toolchain 58b1b3c5342a414c161338871f8004258ccef2a7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+58b1b3c5342a414c161338871f8004258ccef2a7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/kju8/rust-dicebot 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" "+58b1b3c5342a414c161338871f8004258ccef2a7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] building kju8/rust-dicebot against try#58b1b3c5342a414c161338871f8004258ccef2a7 for pr-149937
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkju8%2Frust-dicebot" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/kju8/rust-dicebot
[INFO] finished tweaking git repo https://github.com/kju8/rust-dicebot
[INFO] tweaked toml for git repo https://github.com/kju8/rust-dicebot written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/kju8/rust-dicebot on toolchain 58b1b3c5342a414c161338871f8004258ccef2a7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+58b1b3c5342a414c161338871f8004258ccef2a7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/kju8/rust-dicebot 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" "+58b1b3c5342a414c161338871f8004258ccef2a7" "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]  Downloading crates ...
[INFO] [stderr]   Downloaded uwl v0.6.0
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[INFO] [stderr]   Downloaded async-tungstenite v0.11.0
[INFO] [stderr]   Downloaded js-sys v0.3.51
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[INFO] [stderr]   Downloaded serenity v0.10.8
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[INFO] [stderr]   Downloaded web-sys v0.3.51
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+58b1b3c5342a414c161338871f8004258ccef2a7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d80b261ece2c470bd9acadcf1d3717b94df7888b72d0127cb2dfb34f10793a4f
[INFO] running `Command { std: "docker" "start" "-a" "d80b261ece2c470bd9acadcf1d3717b94df7888b72d0127cb2dfb34f10793a4f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d80b261ece2c470bd9acadcf1d3717b94df7888b72d0127cb2dfb34f10793a4f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d80b261ece2c470bd9acadcf1d3717b94df7888b72d0127cb2dfb34f10793a4f", kill_on_drop: false }`
[INFO] [stdout] d80b261ece2c470bd9acadcf1d3717b94df7888b72d0127cb2dfb34f10793a4f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+58b1b3c5342a414c161338871f8004258ccef2a7" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ae47445693c1a5abbf0c8dc878406247d51fc1587bfe2ab689b33c8b0e0fafd6
[INFO] running `Command { std: "docker" "start" "-a" "ae47445693c1a5abbf0c8dc878406247d51fc1587bfe2ab689b33c8b0e0fafd6", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.97
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]    Compiling once_cell v1.8.0
[INFO] [stderr]    Compiling tokio v1.7.1
[INFO] [stderr]    Compiling indexmap v1.6.2
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling try-lock v0.2.3
[INFO] [stderr]    Compiling http-body v0.4.2
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling tower-service v0.3.1
[INFO] [stderr]    Compiling httpdate v1.0.1
[INFO] [stderr]    Compiling input_buffer v0.3.1
[INFO] [stderr]    Compiling base64 v0.12.3
[INFO] [stderr]    Compiling want v0.3.0
[INFO] [stderr]    Compiling serenity v0.10.8
[INFO] [stderr]    Compiling peg-runtime v0.6.3
[INFO] [stderr]    Compiling ipnet v2.3.1
[INFO] [stderr]    Compiling typemap_rev v0.1.5
[INFO] [stderr]    Compiling uwl v0.6.0
[INFO] [stderr]    Compiling mime_guess v2.0.3
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling mio v0.7.13
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling getrandom v0.1.16
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[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling time v0.1.43
[INFO] [stderr]    Compiling flate2 v1.0.20
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling peg-macros v0.6.3
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling peg v0.6.3
[INFO] [stderr]    Compiling tungstenite v0.11.1
[INFO] [stderr]    Compiling webpki v0.21.4
[INFO] [stderr]    Compiling sct v0.6.1
[INFO] [stderr]    Compiling rustls v0.19.1
[INFO] [stderr]    Compiling webpki-roots v0.20.0
[INFO] [stderr]    Compiling webpki-roots v0.21.1
[INFO] [stderr]    Compiling tokio-macros v1.2.0
[INFO] [stderr]    Compiling futures-macro v0.3.15
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling tracing-attributes v0.1.15
[INFO] [stderr]    Compiling pin-project-internal v1.0.7
[INFO] [stderr]    Compiling command_attr v0.3.7
[INFO] [stderr]    Compiling async-trait v0.1.50
[INFO] [stderr]    Compiling futures-util v0.3.15
[INFO] [stderr]    Compiling tracing v0.1.26
[INFO] [stderr]    Compiling pin-project v1.0.7
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling futures v0.3.15
[INFO] [stderr]    Compiling tokio-util v0.6.7
[INFO] [stderr]    Compiling tokio-rustls v0.22.0
[INFO] [stderr]    Compiling async-tungstenite v0.11.0
[INFO] [stderr]    Compiling h2 v0.3.3
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]    Compiling serde_urlencoded v0.7.0
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling hyper v0.14.9
[INFO] [stderr]    Compiling hyper-rustls v0.22.1
[INFO] [stderr]    Compiling reqwest v0.11.4
[INFO] [stderr]    Compiling rust-dicebot v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `Write` and `stdout`
[INFO] [stdout]   --> src/main.rs:16:15
[INFO] [stdout]    |
[INFO] [stdout] 16 | use std::io::{stdout, Write};
[INFO] [stdout]    |               ^^^^^^  ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `op`
[INFO] [stdout]    --> src/roll.rs:607:5
[INFO] [stdout]     |
[INFO] [stdout] 607 |     op: DiceCode,
[INFO] [stdout]     |     ^^ help: if this is intentional, prefix it with an underscore: `_op`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `checkNum` should have a snake case name
[INFO] [stdout]    --> src/roll.rs:401:6
[INFO] [stdout]     |
[INFO] [stdout] 401 |   fn checkNum(&self, l: &DiceList, r: i32) -> DiceList {
[INFO] [stdout]     |      ^^^^^^^^ help: convert the identifier to snake case: `check_num`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `checkDice` should have a snake case name
[INFO] [stdout]    --> src/roll.rs:416:10
[INFO] [stdout]     |
[INFO] [stdout] 416 |   pub fn checkDice(&self, l: DiceList, r: DiceList) -> DiceList {
[INFO] [stdout]     |          ^^^^^^^^^ help: convert the identifier to snake case: `check_dice`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `countMode` should have a snake case name
[INFO] [stdout]    --> src/roll.rs:456:6
[INFO] [stdout]     |
[INFO] [stdout] 456 |   fn countMode(&self, b: bool) -> bool {
[INFO] [stdout]     |      ^^^^^^^^^ help: convert the identifier to snake case: `count_mode`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `diceList` should have a snake case name
[INFO] [stdout]    --> src/roll.rs:735:3
[INFO] [stdout]     |
[INFO] [stdout] 735 |   diceList: Option<Vec<i32>>,
[INFO] [stdout]     |   ^^^^^^^^ help: convert the identifier to snake case: `dice_list`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `calcMode` should have a snake case name
[INFO] [stdout]    --> src/roll.rs:736:3
[INFO] [stdout]     |
[INFO] [stdout] 736 |   calcMode: CalcMode,
[INFO] [stdout]     |   ^^^^^^^^ help: convert the identifier to snake case: `calc_mode`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `modeStr` should have a snake case name
[INFO] [stdout]    --> src/roll.rs:747:9
[INFO] [stdout]     |
[INFO] [stdout] 747 |     let modeStr: &str = match self.calcMode {
[INFO] [stdout]     |         ^^^^^^^ help: convert the identifier to snake case: `mode_str`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 29.72s
[INFO] running `Command { std: "docker" "inspect" "ae47445693c1a5abbf0c8dc878406247d51fc1587bfe2ab689b33c8b0e0fafd6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ae47445693c1a5abbf0c8dc878406247d51fc1587bfe2ab689b33c8b0e0fafd6", kill_on_drop: false }`
[INFO] [stdout] ae47445693c1a5abbf0c8dc878406247d51fc1587bfe2ab689b33c8b0e0fafd6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+58b1b3c5342a414c161338871f8004258ccef2a7" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7aca941b6cbe141531200c1cf892fdd61dace74df0ed27cf91fdd6415b243fbe
[INFO] running `Command { std: "docker" "start" "-a" "7aca941b6cbe141531200c1cf892fdd61dace74df0ed27cf91fdd6415b243fbe", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-dicebot v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `Write` and `stdout`
[INFO] [stdout]   --> src/main.rs:16:15
[INFO] [stdout]    |
[INFO] [stdout] 16 | use std::io::{stdout, Write};
[INFO] [stdout]    |               ^^^^^^  ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `op`
[INFO] [stdout]    --> src/roll.rs:607:5
[INFO] [stdout]     |
[INFO] [stdout] 607 |     op: DiceCode,
[INFO] [stdout]     |     ^^ help: if this is intentional, prefix it with an underscore: `_op`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `checkNum` should have a snake case name
[INFO] [stdout]    --> src/roll.rs:401:6
[INFO] [stdout]     |
[INFO] [stdout] 401 |   fn checkNum(&self, l: &DiceList, r: i32) -> DiceList {
[INFO] [stdout]     |      ^^^^^^^^ help: convert the identifier to snake case: `check_num`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `checkDice` should have a snake case name
[INFO] [stdout]    --> src/roll.rs:416:10
[INFO] [stdout]     |
[INFO] [stdout] 416 |   pub fn checkDice(&self, l: DiceList, r: DiceList) -> DiceList {
[INFO] [stdout]     |          ^^^^^^^^^ help: convert the identifier to snake case: `check_dice`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `countMode` should have a snake case name
[INFO] [stdout]    --> src/roll.rs:456:6
[INFO] [stdout]     |
[INFO] [stdout] 456 |   fn countMode(&self, b: bool) -> bool {
[INFO] [stdout]     |      ^^^^^^^^^ help: convert the identifier to snake case: `count_mode`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `diceList` should have a snake case name
[INFO] [stdout]    --> src/roll.rs:735:3
[INFO] [stdout]     |
[INFO] [stdout] 735 |   diceList: Option<Vec<i32>>,
[INFO] [stdout]     |   ^^^^^^^^ help: convert the identifier to snake case: `dice_list`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `calcMode` should have a snake case name
[INFO] [stdout]    --> src/roll.rs:736:3
[INFO] [stdout]     |
[INFO] [stdout] 736 |   calcMode: CalcMode,
[INFO] [stdout]     |   ^^^^^^^^ help: convert the identifier to snake case: `calc_mode`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `modeStr` should have a snake case name
[INFO] [stdout]    --> src/roll.rs:747:9
[INFO] [stdout]     |
[INFO] [stdout] 747 |     let modeStr: &str = match self.calcMode {
[INFO] [stdout]     |         ^^^^^^^ help: convert the identifier to snake case: `mode_str`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.79s
[INFO] running `Command { std: "docker" "inspect" "7aca941b6cbe141531200c1cf892fdd61dace74df0ed27cf91fdd6415b243fbe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7aca941b6cbe141531200c1cf892fdd61dace74df0ed27cf91fdd6415b243fbe", kill_on_drop: false }`
[INFO] [stdout] 7aca941b6cbe141531200c1cf892fdd61dace74df0ed27cf91fdd6415b243fbe