[INFO] cloning repository https://github.com/TheArchmage/rust_stat_generator
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/TheArchmage/rust_stat_generator" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTheArchmage%2Frust_stat_generator", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTheArchmage%2Frust_stat_generator'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 37062110b4e4e310f120586f8854b5e072e2b103
[INFO] checking TheArchmage/rust_stat_generator against master#af3c6e733a40e671550e0f0f5aeecaa13772ba56 for pr-74989
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTheArchmage%2Frust_stat_generator" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/TheArchmage/rust_stat_generator on toolchain af3c6e733a40e671550e0f0f5aeecaa13772ba56
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/TheArchmage/rust_stat_generator
[INFO] finished tweaking git repo https://github.com/TheArchmage/rust_stat_generator
[INFO] tweaked toml for git repo https://github.com/TheArchmage/rust_stat_generator written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/TheArchmage/rust_stat_generator already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d41c79305f3c2d62783a4e2c7daf663e3e6974553c58c4e722748c67907aebd8
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "d41c79305f3c2d62783a4e2c7daf663e3e6974553c58c4e722748c67907aebd8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d41c79305f3c2d62783a4e2c7daf663e3e6974553c58c4e722748c67907aebd8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d41c79305f3c2d62783a4e2c7daf663e3e6974553c58c4e722748c67907aebd8", kill_on_drop: false }`
[INFO] [stdout] d41c79305f3c2d62783a4e2c7daf663e3e6974553c58c4e722748c67907aebd8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6db6fa7cfd4224d07a018730c6bc33a25503f3f017be31864931f5114e3b68e5
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "6db6fa7cfd4224d07a018730c6bc33a25503f3f017be31864931f5114e3b68e5", kill_on_drop: false }`
[INFO] [stderr]     Checking rand v0.4.2
[INFO] [stderr]     Checking stat_generator v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant `roll_4d6_drop_low` should have an upper camel case name
[INFO] [stdout]   --> src/lib.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |     roll_4d6_drop_low,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `Roll4d6DropLow`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `roll_3d6_reroll_1s` should have an upper camel case name
[INFO] [stdout]   --> src/lib.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 |     roll_3d6_reroll_1s,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `Roll3d6Reroll1s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `roll_3d6_in_order` should have an upper camel case name
[INFO] [stdout]   --> src/lib.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 |     roll_3d6_in_order,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `Roll3d6InOrder`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:37:58
[INFO] [stdout]    |
[INFO] [stdout] 37 |     fn determine_roll_style(&mut self) -> Result<(), Box<Error>> {
[INFO] [stdout]    |                                                          ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:127:66
[INFO] [stdout]     |
[INFO] [stdout] 127 |     pub fn roll_stats(&mut self) -> Result<Option<Vec<i32>>, Box<Error>> {
[INFO] [stdout]     |                                                                  ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0261]: use of undeclared lifetime name `'a`
[INFO] [stdout]   --> src/lib.rs:92:11
[INFO] [stdout]    |
[INFO] [stdout] 92 | impl Stat<'a> {
[INFO] [stdout]    |     -     ^^ undeclared lifetime
[INFO] [stdout]    |     |
[INFO] [stdout]    |     help: consider introducing lifetime `'a` here: `<'a>`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you want to experiment with in-band lifetime bindings, add `#![feature(in_band_lifetimes)]` to the crate attributes
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0261]: use of undeclared lifetime name `'a`
[INFO] [stdout]   --> src/lib.rs:93:19
[INFO] [stdout]    |
[INFO] [stdout] 93 |     fn new(name: &'a str, value: i32) -> Stat<'a> {
[INFO] [stdout]    |                   ^^ undeclared lifetime
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you want to experiment with in-band lifetime bindings, add `#![feature(in_band_lifetimes)]` to the crate attributes
[INFO] [stdout] help: consider introducing lifetime `'a` here
[INFO] [stdout]    |
[INFO] [stdout] 92 | impl<'a> Stat<'a> {
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] help: consider introducing lifetime `'a` here
[INFO] [stdout]    |
[INFO] [stdout] 93 |     fn new<'a>(name: &'a str, value: i32) -> Stat<'a> {
[INFO] [stdout]    |           ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0261]: use of undeclared lifetime name `'a`
[INFO] [stdout]   --> src/lib.rs:93:47
[INFO] [stdout]    |
[INFO] [stdout] 93 |     fn new(name: &'a str, value: i32) -> Stat<'a> {
[INFO] [stdout]    |                                               ^^ undeclared lifetime
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you want to experiment with in-band lifetime bindings, add `#![feature(in_band_lifetimes)]` to the crate attributes
[INFO] [stdout] help: consider introducing lifetime `'a` here
[INFO] [stdout]    |
[INFO] [stdout] 92 | impl<'a> Stat<'a> {
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] help: consider introducing lifetime `'a` here
[INFO] [stdout]    |
[INFO] [stdout] 93 |     fn new<'a>(name: &'a str, value: i32) -> Stat<'a> {
[INFO] [stdout]    |           ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0261]: use of undeclared lifetime name `'a`
[INFO] [stdout]    --> src/lib.rs:103:25
[INFO] [stdout]     |
[INFO] [stdout] 101 | pub struct Character {
[INFO] [stdout]     |                     - help: consider introducing lifetime `'a` here: `<'a>`
[INFO] [stdout] 102 |     pub name: String,
[INFO] [stdout] 103 |     pub stats: Vec<Stat<'a>>,
[INFO] [stdout]     |                         ^^ undeclared lifetime
[INFO] [stdout]     |
[INFO] [stdout]     = help: if you want to experiment with in-band lifetime bindings, add `#![feature(in_band_lifetimes)]` to the crate attributes
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `roll_4d6_drop_low` should have an upper camel case name
[INFO] [stdout]   --> src/lib.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |     roll_4d6_drop_low,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `Roll4d6DropLow`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `roll_3d6_reroll_1s` should have an upper camel case name
[INFO] [stdout]   --> src/lib.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 |     roll_3d6_reroll_1s,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `Roll3d6Reroll1s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `roll_3d6_in_order` should have an upper camel case name
[INFO] [stdout]   --> src/lib.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 |     roll_3d6_in_order,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `Roll3d6InOrder`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:37:58
[INFO] [stdout]    |
[INFO] [stdout] 37 |     fn determine_roll_style(&mut self) -> Result<(), Box<Error>> {
[INFO] [stdout]    |                                                          ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:127:66
[INFO] [stdout]     |
[INFO] [stdout] 127 |     pub fn roll_stats(&mut self) -> Result<Option<Vec<i32>>, Box<Error>> {
[INFO] [stdout]     |                                                                  ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0261]: use of undeclared lifetime name `'a`
[INFO] [stdout]   --> src/lib.rs:92:11
[INFO] [stdout]    |
[INFO] [stdout] 92 | impl Stat<'a> {
[INFO] [stdout]    |     -     ^^ undeclared lifetime
[INFO] [stdout]    |     |
[INFO] [stdout]    |     help: consider introducing lifetime `'a` here: `<'a>`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you want to experiment with in-band lifetime bindings, add `#![feature(in_band_lifetimes)]` to the crate attributes
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0261]: use of undeclared lifetime name `'a`
[INFO] [stdout]   --> src/lib.rs:93:19
[INFO] [stdout]    |
[INFO] [stdout] 93 |     fn new(name: &'a str, value: i32) -> Stat<'a> {
[INFO] [stdout]    |                   ^^ undeclared lifetime
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you want to experiment with in-band lifetime bindings, add `#![feature(in_band_lifetimes)]` to the crate attributes
[INFO] [stdout] help: consider introducing lifetime `'a` here
[INFO] [stdout]    |
[INFO] [stdout] 92 | impl<'a> Stat<'a> {
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] help: consider introducing lifetime `'a` here
[INFO] [stdout]    |
[INFO] [stdout] 93 |     fn new<'a>(name: &'a str, value: i32) -> Stat<'a> {
[INFO] [stdout]    |           ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0261]: use of undeclared lifetime name `'a`
[INFO] [stdout]   --> src/lib.rs:93:47
[INFO] [stdout]    |
[INFO] [stdout] 93 |     fn new(name: &'a str, value: i32) -> Stat<'a> {
[INFO] [stdout]    |                                               ^^ undeclared lifetime
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you want to experiment with in-band lifetime bindings, add `#![feature(in_band_lifetimes)]` to the crate attributes
[INFO] [stdout] help: consider introducing lifetime `'a` here
[INFO] [stdout]    |
[INFO] [stdout] 92 | impl<'a> Stat<'a> {
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] help: consider introducing lifetime `'a` here
[INFO] [stdout]    |
[INFO] [stdout] 93 |     fn new<'a>(name: &'a str, value: i32) -> Stat<'a> {
[INFO] [stdout]    |           ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0261]: use of undeclared lifetime name `'a`
[INFO] [stdout]    --> src/lib.rs:103:25
[INFO] [stdout]     |
[INFO] [stdout] 101 | pub struct Character {
[INFO] [stdout]     |                     - help: consider introducing lifetime `'a` here: `<'a>`
[INFO] [stdout] 102 |     pub name: String,
[INFO] [stdout] 103 |     pub stats: Vec<Stat<'a>>,
[INFO] [stdout]     |                         ^^ undeclared lifetime
[INFO] [stdout]     |
[INFO] [stdout]     = help: if you want to experiment with in-band lifetime bindings, add `#![feature(in_band_lifetimes)]` to the crate attributes
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0061]: this function takes 0 arguments but 6 arguments were supplied
[INFO] [stdout]    --> src/lib.rs:111:20
[INFO] [stdout]     |
[INFO] [stdout] 111 |             stats: Vec::new(
[INFO] [stdout]     |                    ^^^^^^^^ expected 0 arguments
[INFO] [stdout] 112 |                 Stat::new("STR", 10),
[INFO] [stdout]     |                 --------------------
[INFO] [stdout] 113 |                 Stat::new("DEX", 10),
[INFO] [stdout]     |                 --------------------
[INFO] [stdout] 114 |                 Stat::new("CON", 10),
[INFO] [stdout]     |                 --------------------
[INFO] [stdout] 115 |                 Stat::new("INT", 10),
[INFO] [stdout]     |                 --------------------
[INFO] [stdout] 116 |                 Stat::new("WIS", 10),
[INFO] [stdout]     |                 --------------------
[INFO] [stdout] 117 |                 Stat::new("CHA", 10),
[INFO] [stdout]     |                 -------------------- supplied 6 arguments
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> src/lib.rs:209:9
[INFO] [stdout]     |
[INFO] [stdout] 150 | /         match self.rollstyle {
[INFO] [stdout] 151 | |             RollStyle::roll_4d6_drop_low => {
[INFO] [stdout] 152 | |                 let mut rolls = Vec::new();
[INFO] [stdout] 153 | |
[INFO] [stdout] ...   |
[INFO] [stdout] 206 | |
[INFO] [stdout] 207 | |         }
[INFO] [stdout]     | |_________- any code following this `match` expression is unreachable, as all arms diverge
[INFO] [stdout] 208 | 
[INFO] [stdout] 209 |           Ok(None)
[INFO] [stdout]     |           ^^^^^^^^ unreachable expression
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0061]: this function takes 0 arguments but 6 arguments were supplied
[INFO] [stdout]    --> src/lib.rs:111:20
[INFO] [stdout]     |
[INFO] [stdout] 111 |             stats: Vec::new(
[INFO] [stdout]     |                    ^^^^^^^^ expected 0 arguments
[INFO] [stdout] 112 |                 Stat::new("STR", 10),
[INFO] [stdout]     |                 --------------------
[INFO] [stdout] 113 |                 Stat::new("DEX", 10),
[INFO] [stdout]     |                 --------------------
[INFO] [stdout] 114 |                 Stat::new("CON", 10),
[INFO] [stdout]     |                 --------------------
[INFO] [stdout] 115 |                 Stat::new("INT", 10),
[INFO] [stdout]     |                 --------------------
[INFO] [stdout] 116 |                 Stat::new("WIS", 10),
[INFO] [stdout]     |                 --------------------
[INFO] [stdout] 117 |                 Stat::new("CHA", 10),
[INFO] [stdout]     |                 -------------------- supplied 6 arguments
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `stat_generator`.
[INFO] [stdout] error: aborting due to 5 previous errors; 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] 
[INFO] [stdout] Some errors have detailed explanations: E0061, E0261.
[INFO] [stdout] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stdout] For more information about an error, try `rustc --explain E0061`.
[INFO] [stdout] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> src/lib.rs:209:9
[INFO] [stdout]     |
[INFO] [stdout] 150 | /         match self.rollstyle {
[INFO] [stdout] 151 | |             RollStyle::roll_4d6_drop_low => {
[INFO] [stdout] 152 | |                 let mut rolls = Vec::new();
[INFO] [stdout] 153 | |
[INFO] [stdout] ...   |
[INFO] [stdout] 206 | |
[INFO] [stdout] 207 | |         }
[INFO] [stdout]     | |_________- any code following this `match` expression is unreachable, as all arms diverge
[INFO] [stdout] 208 | 
[INFO] [stdout] 209 |           Ok(None)
[INFO] [stdout]     |           ^^^^^^^^ unreachable expression
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 5 previous errors; 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0061, E0261.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0061`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "6db6fa7cfd4224d07a018730c6bc33a25503f3f017be31864931f5114e3b68e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6db6fa7cfd4224d07a018730c6bc33a25503f3f017be31864931f5114e3b68e5", kill_on_drop: false }`
[INFO] [stdout] 6db6fa7cfd4224d07a018730c6bc33a25503f3f017be31864931f5114e3b68e5
