[INFO] cloning repository https://github.com/M0o4/omori
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/M0o4/omori" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FM0o4%2Fomori", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FM0o4%2Fomori'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] babcbac78ffaa0af349d733b0d0e6d0cc2af1328
[INFO] checking M0o4/omori against try#93086cfebfccb79083c59d0d3b2052944bba643c for pr-146440-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FM0o4%2Fomori" "/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/M0o4/omori
[INFO] finished tweaking git repo https://github.com/M0o4/omori
[INFO] tweaked toml for git repo https://github.com/M0o4/omori written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/M0o4/omori on toolchain 93086cfebfccb79083c59d0d3b2052944bba643c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+93086cfebfccb79083c59d0d3b2052944bba643c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/M0o4/omori 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" "+93086cfebfccb79083c59d0d3b2052944bba643c" "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] 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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+93086cfebfccb79083c59d0d3b2052944bba643c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c291240916f12e8493576333f94a0d7b849a01320aebc7279534bc3a2cd69ee8
[INFO] running `Command { std: "docker" "start" "-a" "c291240916f12e8493576333f94a0d7b849a01320aebc7279534bc3a2cd69ee8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c291240916f12e8493576333f94a0d7b849a01320aebc7279534bc3a2cd69ee8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c291240916f12e8493576333f94a0d7b849a01320aebc7279534bc3a2cd69ee8", kill_on_drop: false }`
[INFO] [stdout] c291240916f12e8493576333f94a0d7b849a01320aebc7279534bc3a2cd69ee8
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+93086cfebfccb79083c59d0d3b2052944bba643c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e4f3c02ccfff8d016b74c74599b8acc8669616db5cec39a148f9a4b36d328d27
[INFO] running `Command { std: "docker" "start" "-a" "e4f3c02ccfff8d016b74c74599b8acc8669616db5cec39a148f9a4b36d328d27", kill_on_drop: false }`
[INFO] [stderr]     Checking omori v0.1.0 (/opt/rustwide/workdir/omori)
[INFO] [stdout] warning: unused import: `Read`
[INFO] [stdout]  --> omori/src/http_server/handler.rs:4:53
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::io::{BufRead, BufReader, Error, ErrorKind, Read, 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 import: `Read`
[INFO] [stdout]  --> omori/src/http_server/handler.rs:4:53
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::io::{BufRead, BufReader, Error, ErrorKind, Read, 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: `res`
[INFO] [stdout]   --> omori/src/http_server/handler.rs:34:11
[INFO] [stdout]    |
[INFO] [stdout] 34 |       let res = route();
[INFO] [stdout]    |           ^^^ help: if this is intentional, prefix it with an underscore: `_res`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `RouterInner` is more private than the item `Router::inner`
[INFO] [stdout]   --> omori/src/http_server/router/router.rs:12:3
[INFO] [stdout]    |
[INFO] [stdout] 12 |   pub inner: Arc<RouterInner>,
[INFO] [stdout]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^ field `Router::inner` is reachable at visibility `pub`
[INFO] [stdout]    |
[INFO] [stdout] note: but type `RouterInner` is only usable at visibility `pub(self)`
[INFO] [stdout]   --> omori/src/http_server/router/router.rs:15:1
[INFO] [stdout]    |
[INFO] [stdout] 15 | struct RouterInner {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    = note: `#[warn(private_interfaces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: struct `RouteId` is never constructed
[INFO] [stdout]  --> omori/src/http_server/router/router.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct RouteId(u32);
[INFO] [stdout]   |            ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: this `pub` struct has private fields, no public constructor, and is not otherwise reachable through the external API, so consider providing a public constructor or removing it
[INFO] [stdout]   = note: `#[deny(unused_unconstructable_pub_structs)]` (part of `#[deny(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `res`
[INFO] [stdout]   --> omori/src/http_server/handler.rs:34:11
[INFO] [stdout]    |
[INFO] [stdout] 34 |       let res = route();
[INFO] [stdout]    |           ^^^ help: if this is intentional, prefix it with an underscore: `_res`
[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 `omori` (lib) due to 1 previous error; 3 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: type `RouterInner` is more private than the item `Router::inner`
[INFO] [stdout]   --> omori/src/http_server/router/router.rs:12:3
[INFO] [stdout]    |
[INFO] [stdout] 12 |   pub inner: Arc<RouterInner>,
[INFO] [stdout]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^ field `Router::inner` is reachable at visibility `pub`
[INFO] [stdout]    |
[INFO] [stdout] note: but type `RouterInner` is only usable at visibility `pub(self)`
[INFO] [stdout]   --> omori/src/http_server/router/router.rs:15:1
[INFO] [stdout]    |
[INFO] [stdout] 15 | struct RouterInner {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    = note: `#[warn(private_interfaces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: struct `RouteId` is never constructed
[INFO] [stdout]  --> omori/src/http_server/router/router.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct RouteId(u32);
[INFO] [stdout]   |            ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: this `pub` struct has private fields, no public constructor, and is not otherwise reachable through the external API, so consider providing a public constructor or removing it
[INFO] [stdout]   = note: `#[deny(unused_unconstructable_pub_structs)]` (part of `#[deny(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `omori` (lib test) due to 1 previous error; 3 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "e4f3c02ccfff8d016b74c74599b8acc8669616db5cec39a148f9a4b36d328d27", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e4f3c02ccfff8d016b74c74599b8acc8669616db5cec39a148f9a4b36d328d27", kill_on_drop: false }`
[INFO] [stdout] e4f3c02ccfff8d016b74c74599b8acc8669616db5cec39a148f9a4b36d328d27