[INFO] cloning repository https://github.com/somnus0917/rust-scratchbook
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/somnus0917/rust-scratchbook" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsomnus0917%2Frust-scratchbook", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsomnus0917%2Frust-scratchbook'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b821a43dd948a496e8f471d2547c3aa219a32f06
[INFO] checking somnus0917/rust-scratchbook against be3da1e8c043bb6f1f335463d3b1335cdf50b03c for pr-162597
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsomnus0917%2Frust-scratchbook" "/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/.cargo/config.toml
[INFO] started tweaking git repo https://github.com/somnus0917/rust-scratchbook
[INFO] finished tweaking git repo https://github.com/somnus0917/rust-scratchbook
[INFO] tweaked toml for git repo https://github.com/somnus0917/rust-scratchbook written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/somnus0917/rust-scratchbook on toolchain be3da1e8c043bb6f1f335463d3b1335cdf50b03c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+be3da1e8c043bb6f1f335463d3b1335cdf50b03c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/somnus0917/rust-scratchbook 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" "+be3da1e8c043bb6f1f335463d3b1335cdf50b03c" "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-3-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:8683fc1fc2eb5c9ac98e0d076ab094b2ffac7f99da555d2b6a2e27f346de2ec7" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 02fa976bbd6d3f48720ccddc5a29d5934d598a3d4a63d7c74350232ce181cb18
[INFO] running `Command { std: "docker" "start" "02fa976bbd6d3f48720ccddc5a29d5934d598a3d4a63d7c74350232ce181cb18", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "02fa976bbd6d3f48720ccddc5a29d5934d598a3d4a63d7c74350232ce181cb18", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "02fa976bbd6d3f48720ccddc5a29d5934d598a3d4a63d7c74350232ce181cb18" "/opt/rustwide/cargo-home/bin/cargo" "+be3da1e8c043bb6f1f335463d3b1335cdf50b03c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "02fa976bbd6d3f48720ccddc5a29d5934d598a3d4a63d7c74350232ce181cb18", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "02fa976bbd6d3f48720ccddc5a29d5934d598a3d4a63d7c74350232ce181cb18" "/opt/rustwide/cargo-home/bin/cargo" "+be3da1e8c043bb6f1f335463d3b1335cdf50b03c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]     Checking rust-scratchbook v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait `notification` should have an upper camel case name
[INFO] [stdout]   --> src/bin/traitnotification.rs:12:11
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub trait notification {
[INFO] [stdout]    |           ^^^^^^^^^^^^ help: convert the identifier to upper camel case: `Notification`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_camel_case_types)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `emailnoti` should have an upper camel case name
[INFO] [stdout]   --> src/bin/traitnotification.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub struct emailnoti {
[INFO] [stdout]    |            ^^^^^^^^^ help: convert the identifier to upper camel case: `Emailnoti`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `write`
[INFO] [stdout]  --> src/bin/derive.rs:1:16
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::fmt::{write, Debug};
[INFO] [stdout]   |                ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/bin/derive.rs:37:25
[INFO] [stdout]    |
[INFO] [stdout] 37 |     let _this_is_true = (_one_second == _one_second);
[INFO] [stdout]    |                         ^                          ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 37 -     let _this_is_true = (_one_second == _one_second);
[INFO] [stdout] 37 +     let _this_is_true = _one_second == _one_second;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `smsnoti` should have an upper camel case name
[INFO] [stdout]   --> src/bin/traitnotification.rs:18:12
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub struct smsnoti {
[INFO] [stdout]    |            ^^^^^^^ help: convert the identifier to upper camel case (notice the capitalization): `Smsnoti`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `wechatnoti` should have an upper camel case name
[INFO] [stdout]   --> src/bin/traitnotification.rs:21:12
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub struct wechatnoti {
[INFO] [stdout]    |            ^^^^^^^^^^ help: convert the identifier to upper camel case (notice the capitalization): `Wechatnoti`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `write`
[INFO] [stdout]  --> src/bin/derive.rs:1:16
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::fmt::{write, Debug};
[INFO] [stdout]   |                ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/bin/derive.rs:37:25
[INFO] [stdout]    |
[INFO] [stdout] 37 |     let _this_is_true = (_one_second == _one_second);
[INFO] [stdout]    |                         ^                          ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 37 -     let _this_is_true = (_one_second == _one_second);
[INFO] [stdout] 37 +     let _this_is_true = _one_second == _one_second;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `destory_box` is never used
[INFO] [stdout]  --> src/bin/ownership.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn destory_box(c: Box<i32>) {
[INFO] [stdout]   |    ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]  --> src/bin/dropfile.rs:4:13
[INFO] [stdout]   |
[INFO] [stdout] 4 |         let f = Tempfile::new(PathBuf::from("test.txt"));
[INFO] [stdout]   |             ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rhs`
[INFO] [stdout]   --> src/bin/count.rs:16:18
[INFO] [stdout]    |
[INFO] [stdout] 16 |     fn add(self, rhs: Foo) -> Self::Output {
[INFO] [stdout]    |                  ^^^ help: if this is intentional, prefix it with an underscore: `_rhs`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rhs`
[INFO] [stdout]   --> src/bin/count.rs:23:18
[INFO] [stdout]    |
[INFO] [stdout] 23 |     fn add(self, rhs: Bar) -> Self::Output {
[INFO] [stdout]    |                  ^^^ help: if this is intentional, prefix it with an underscore: `_rhs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]  --> src/bin/dropfile.rs:4:13
[INFO] [stdout]   |
[INFO] [stdout] 4 |         let f = Tempfile::new(PathBuf::from("test.txt"));
[INFO] [stdout]   |             ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `file` is never read
[INFO] [stdout]   --> src/bin/dropfile.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | struct Tempfile {
[INFO] [stdout]    |        -------- field in this struct
[INFO] [stdout] 14 |     file: File,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `file` is never read
[INFO] [stdout]   --> src/bin/dropfile.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | struct Tempfile {
[INFO] [stdout]    |        -------- field in this struct
[INFO] [stdout] 14 |     file: File,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rhs`
[INFO] [stdout]   --> src/bin/count.rs:16:18
[INFO] [stdout]    |
[INFO] [stdout] 16 |     fn add(self, rhs: Foo) -> Self::Output {
[INFO] [stdout]    |                  ^^^ help: if this is intentional, prefix it with an underscore: `_rhs`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rhs`
[INFO] [stdout]   --> src/bin/count.rs:23:18
[INFO] [stdout]    |
[INFO] [stdout] 23 |     fn add(self, rhs: Bar) -> Self::Output {
[INFO] [stdout]    |                  ^^^ help: if this is intentional, prefix it with an underscore: `_rhs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ToDrop` is never constructed
[INFO] [stdout]  --> src/bin/raii.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | struct ToDrop;
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `notification` should have an upper camel case name
[INFO] [stdout]   --> src/bin/traitnotification.rs:12:11
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub trait notification {
[INFO] [stdout]    |           ^^^^^^^^^^^^ help: convert the identifier to upper camel case: `Notification`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_camel_case_types)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `emailnoti` should have an upper camel case name
[INFO] [stdout]   --> src/bin/traitnotification.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub struct emailnoti {
[INFO] [stdout]    |            ^^^^^^^^^ help: convert the identifier to upper camel case: `Emailnoti`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `smsnoti` should have an upper camel case name
[INFO] [stdout]   --> src/bin/traitnotification.rs:18:12
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub struct smsnoti {
[INFO] [stdout]    |            ^^^^^^^ help: convert the identifier to upper camel case (notice the capitalization): `Smsnoti`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `wechatnoti` should have an upper camel case name
[INFO] [stdout]   --> src/bin/traitnotification.rs:21:12
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub struct wechatnoti {
[INFO] [stdout]    |            ^^^^^^^^^^ help: convert the identifier to upper camel case (notice the capitalization): `Wechatnoti`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ToDrop` is never constructed
[INFO] [stdout]  --> src/bin/raii.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | struct ToDrop;
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `destory_box` is never used
[INFO] [stdout]  --> src/bin/ownership.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn destory_box(c: Box<i32>) {
[INFO] [stdout]   |    ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.09s
[INFO] running `Command { std: "docker" "inspect" "02fa976bbd6d3f48720ccddc5a29d5934d598a3d4a63d7c74350232ce181cb18", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "02fa976bbd6d3f48720ccddc5a29d5934d598a3d4a63d7c74350232ce181cb18", kill_on_drop: false }`
[INFO] [stdout] 02fa976bbd6d3f48720ccddc5a29d5934d598a3d4a63d7c74350232ce181cb18
