[INFO] cloning repository https://github.com/aaryak-shah/atopsy
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/aaryak-shah/atopsy" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faaryak-shah%2Fatopsy", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faaryak-shah%2Fatopsy'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e3be24c5d366a00b2a9ceac4d07786f9a57cded4
[INFO] checking aaryak-shah/atopsy 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%2Faaryak-shah%2Fatopsy" "/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/aaryak-shah/atopsy
[INFO] finished tweaking git repo https://github.com/aaryak-shah/atopsy
[INFO] tweaked toml for git repo https://github.com/aaryak-shah/atopsy written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/aaryak-shah/atopsy 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/aaryak-shah/atopsy 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-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 22da214fd4c7c820c9e222ab65d880d61680487f681946c1b729e962ad88d7be
[INFO] running `Command { std: "docker" "start" "-a" "22da214fd4c7c820c9e222ab65d880d61680487f681946c1b729e962ad88d7be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "22da214fd4c7c820c9e222ab65d880d61680487f681946c1b729e962ad88d7be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "22da214fd4c7c820c9e222ab65d880d61680487f681946c1b729e962ad88d7be", kill_on_drop: false }`
[INFO] [stdout] 22da214fd4c7c820c9e222ab65d880d61680487f681946c1b729e962ad88d7be
[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 -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] 86edf28c8ae73975794ee349d623b1cbcabe13841369902b663eda3697c1d9af
[INFO] running `Command { std: "docker" "start" "-a" "86edf28c8ae73975794ee349d623b1cbcabe13841369902b663eda3697c1d9af", kill_on_drop: false }`
[INFO] [stderr]     Checking iana-time-zone v0.1.61
[INFO] [stderr]     Checking chrono v0.4.38
[INFO] [stderr]     Checking atopsy v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `io::Read`
[INFO] [stdout]   --> src/atop_raw_file/sys_stats/mod.rs:14:11
[INFO] [stdout]    |
[INFO] [stdout] 14 | use std::{io::Read, mem::size_of};
[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 import: `crate::constants::SYS_STATS_SIZE`
[INFO] [stdout]   --> src/atop_raw_file/sys_stats/mod.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | use crate::constants::SYS_STATS_SIZE;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `read::ZlibDecoder`
[INFO] [stdout]   --> src/atop_raw_file/sys_stats/mod.rs:20:14
[INFO] [stdout]    |
[INFO] [stdout] 20 | use flate2::{read::ZlibDecoder, Decompress};
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `HashSet` and `thread::current`
[INFO] [stdout]  --> src/rules/engine.rs:2:28
[INFO] [stdout]   |
[INFO] [stdout] 2 |     collections::{HashMap, HashSet},
[INFO] [stdout]   |                            ^^^^^^^
[INFO] [stdout] 3 |     thread::current,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `io::Read`
[INFO] [stdout]   --> src/atop_raw_file/sys_stats/mod.rs:14:11
[INFO] [stdout]    |
[INFO] [stdout] 14 | use std::{io::Read, mem::size_of};
[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 import: `crate::constants::SYS_STATS_SIZE`
[INFO] [stdout]   --> src/atop_raw_file/sys_stats/mod.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | use crate::constants::SYS_STATS_SIZE;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `read::ZlibDecoder`
[INFO] [stdout]   --> src/atop_raw_file/sys_stats/mod.rs:20:14
[INFO] [stdout]    |
[INFO] [stdout] 20 | use flate2::{read::ZlibDecoder, Decompress};
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `HashSet` and `thread::current`
[INFO] [stdout]  --> src/rules/engine.rs:2:28
[INFO] [stdout]   |
[INFO] [stdout] 2 |     collections::{HashMap, HashSet},
[INFO] [stdout]   |                            ^^^^^^^
[INFO] [stdout] 3 |     thread::current,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> src/atop_raw_file/mod.rs:163:5
[INFO] [stdout]     |
[INFO] [stdout] 143 | /     loop {
[INFO] [stdout] 144 | |         let raw_record = read_raw_record(&mut buf_reader);
[INFO] [stdout] 145 | |         let sys_stats = read_sys_stats(&mut buf_reader, raw_record.sys_stats_compressed_length);
[INFO] [stdout] ...   |
[INFO] [stdout] 160 | |         let temp_skip_ahead = raw_record.proc_stats_compressed_length + raw_record.cgroup_stats_compressed_length + raw_record.pidlist_co...
[INFO] [stdout] 161 | |     }
[INFO] [stdout]     | |_____- any code following this expression is unreachable
[INFO] [stdout] 162 |
[INFO] [stdout] 163 |       (stats, offsets)
[INFO] [stdout]     |       ^^^^^^^^^^^^^^^^ unreachable expression
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> src/atop_raw_file/mod.rs:163:5
[INFO] [stdout]     |
[INFO] [stdout] 143 | /     loop {
[INFO] [stdout] 144 | |         let raw_record = read_raw_record(&mut buf_reader);
[INFO] [stdout] 145 | |         let sys_stats = read_sys_stats(&mut buf_reader, raw_record.sys_stats_compressed_length);
[INFO] [stdout] ...   |
[INFO] [stdout] 160 | |         let temp_skip_ahead = raw_record.proc_stats_compressed_length + raw_record.cgroup_stats_compressed_length + raw_record.pidlist_co...
[INFO] [stdout] 161 | |     }
[INFO] [stdout]     | |_____- any code following this expression is unreachable
[INFO] [stdout] 162 |
[INFO] [stdout] 163 |       (stats, offsets)
[INFO] [stdout]     |       ^^^^^^^^^^^^^^^^ unreachable expression
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `temp_skip_ahead`
[INFO] [stdout]    --> src/atop_raw_file/mod.rs:160:13
[INFO] [stdout]     |
[INFO] [stdout] 160 | ...   let temp_skip_ahead = raw_record.proc_stats_compressed_length + raw_record.cgroup_stats_compressed_length + raw_record.pidlist_comp...
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_temp_skip_ahead`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `tag` is never read
[INFO] [stdout]   --> src/rules/mod.rs:49:5
[INFO] [stdout]    |
[INFO] [stdout] 46 | pub struct RuleGroup {
[INFO] [stdout]    |            --------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 49 |     tag: Tag,
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `get_window_size` are never used
[INFO] [stdout]   --> src/rules/mod.rs:74:8
[INFO] [stdout]    |
[INFO] [stdout] 73 | impl RuleGroup {
[INFO] [stdout]    | -------------- associated items in this implementation
[INFO] [stdout] 74 |     fn new(threshold: f64, tag: Tag) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 83 |     fn get_window_size(&self) -> usize {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `threshold` and `tag` are never read
[INFO] [stdout]   --> src/rules/cpu_rule.rs:9:5
[INFO] [stdout]    |
[INFO] [stdout]  8 | pub struct CpuInstantRule {
[INFO] [stdout]    |            -------------- fields in this struct
[INFO] [stdout]  9 |     threshold: f64,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 10 |     tag: Tag,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `tag` is never read
[INFO] [stdout]   --> src/rules/cpu_rule.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub struct CpuWindowRule {
[INFO] [stdout]    |            ------------- field in this struct
[INFO] [stdout] 14 |     threshold: f64,
[INFO] [stdout] 15 |     tag: Tag,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `tags` is never read
[INFO] [stdout]   --> src/rules/engine.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub struct RuleEngineItem {
[INFO] [stdout]    |            -------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 20 |     tags: Vec<Tag>,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `offsets` is never read
[INFO] [stdout]   --> src/rules/engine.rs:36:5
[INFO] [stdout]    |
[INFO] [stdout] 33 | pub struct RuleEngine {
[INFO] [stdout]    |            ---------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 36 |     offsets: HashMap<UnixTimeStamp, ByteOffset>,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<f64, Infallible>
[INFO] [stdout]    --> src/rules/mod.rs:108:20
[INFO] [stdout]     |
[INFO] [stdout] 108 |             score: total.try_into().unwrap(),
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `temp_skip_ahead`
[INFO] [stdout]    --> src/atop_raw_file/mod.rs:160:13
[INFO] [stdout]     |
[INFO] [stdout] 160 | ...   let temp_skip_ahead = raw_record.proc_stats_compressed_length + raw_record.cgroup_stats_compressed_length + raw_record.pidlist_comp...
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_temp_skip_ahead`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `atopsy` (bin "atopsy" test) due to 1 previous error; 12 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: field `tag` is never read
[INFO] [stdout]   --> src/rules/mod.rs:49:5
[INFO] [stdout]    |
[INFO] [stdout] 46 | pub struct RuleGroup {
[INFO] [stdout]    |            --------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 49 |     tag: Tag,
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `get_window_size` are never used
[INFO] [stdout]   --> src/rules/mod.rs:74:8
[INFO] [stdout]    |
[INFO] [stdout] 73 | impl RuleGroup {
[INFO] [stdout]    | -------------- associated items in this implementation
[INFO] [stdout] 74 |     fn new(threshold: f64, tag: Tag) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 83 |     fn get_window_size(&self) -> usize {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `threshold` and `tag` are never read
[INFO] [stdout]   --> src/rules/cpu_rule.rs:9:5
[INFO] [stdout]    |
[INFO] [stdout]  8 | pub struct CpuInstantRule {
[INFO] [stdout]    |            -------------- fields in this struct
[INFO] [stdout]  9 |     threshold: f64,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 10 |     tag: Tag,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `tag` is never read
[INFO] [stdout]   --> src/rules/cpu_rule.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub struct CpuWindowRule {
[INFO] [stdout]    |            ------------- field in this struct
[INFO] [stdout] 14 |     threshold: f64,
[INFO] [stdout] 15 |     tag: Tag,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `tags` is never read
[INFO] [stdout]   --> src/rules/engine.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub struct RuleEngineItem {
[INFO] [stdout]    |            -------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 20 |     tags: Vec<Tag>,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `offsets` is never read
[INFO] [stdout]   --> src/rules/engine.rs:36:5
[INFO] [stdout]    |
[INFO] [stdout] 33 | pub struct RuleEngine {
[INFO] [stdout]    |            ---------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 36 |     offsets: HashMap<UnixTimeStamp, ByteOffset>,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<f64, Infallible>
[INFO] [stdout]    --> src/rules/mod.rs:108:20
[INFO] [stdout]     |
[INFO] [stdout] 108 |             score: total.try_into().unwrap(),
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `atopsy` (bin "atopsy") due to 1 previous error; 12 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "86edf28c8ae73975794ee349d623b1cbcabe13841369902b663eda3697c1d9af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "86edf28c8ae73975794ee349d623b1cbcabe13841369902b663eda3697c1d9af", kill_on_drop: false }`
[INFO] [stdout] 86edf28c8ae73975794ee349d623b1cbcabe13841369902b663eda3697c1d9af
