[INFO] cloning repository https://github.com/LogoiLab/norot
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/LogoiLab/norot" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLogoiLab%2Fnorot", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLogoiLab%2Fnorot'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 92e2937c80129fcf074a48755b253d2fc29a1291
[INFO] checking LogoiLab/norot against try#8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8 for pr-82565
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLogoiLab%2Fnorot" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/LogoiLab/norot on toolchain 8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/LogoiLab/norot
[INFO] finished tweaking git repo https://github.com/LogoiLab/norot
[INFO] tweaked toml for git repo https://github.com/LogoiLab/norot written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/LogoiLab/norot already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded lz4-compress v0.1.0
[INFO] [stderr]   Downloaded clap v2.23.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4059eec5dc8c871437c15eb0372f04b448a1c6884a7db8c779a14cbae5fa377d
[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" "4059eec5dc8c871437c15eb0372f04b448a1c6884a7db8c779a14cbae5fa377d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4059eec5dc8c871437c15eb0372f04b448a1c6884a7db8c779a14cbae5fa377d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4059eec5dc8c871437c15eb0372f04b448a1c6884a7db8c779a14cbae5fa377d", kill_on_drop: false }`
[INFO] [stdout] 4059eec5dc8c871437c15eb0372f04b448a1c6884a7db8c779a14cbae5fa377d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dd0aa172df1f17b572296a9941f2df7dedd17007a33af408c93462c8e6f8416b
[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" "dd0aa172df1f17b572296a9941f2df7dedd17007a33af408c93462c8e6f8416b", kill_on_drop: false }`
[INFO] [stderr]     Checking byteorder v0.5.3
[INFO] [stderr]     Checking strsim v0.6.0
[INFO] [stderr]     Checking vec_map v0.7.0
[INFO] [stderr]     Checking unicode-width v0.1.4
[INFO] [stderr]     Checking serde v1.0.2
[INFO] [stderr]     Checking atty v0.2.2
[INFO] [stderr]     Checking term_size v0.3.0
[INFO] [stderr]     Checking lz4-compress v0.1.0
[INFO] [stderr]     Checking clap v2.23.3
[INFO] [stderr]     Checking norot v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `read`
[INFO] [stdout]  --> src/insurer.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | use efes::{read,write};
[INFO] [stdout]   |            ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `decomp`
[INFO] [stdout]  --> src/insurer.rs:4:23
[INFO] [stdout]   |
[INFO] [stdout] 4 | use compressor::{comp,decomp};
[INFO] [stdout]   |                       ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `read`
[INFO] [stdout]  --> src/insurer.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | use efes::{read,write};
[INFO] [stdout]   |            ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `decomp`
[INFO] [stdout]  --> src/insurer.rs:4:23
[INFO] [stdout]   |
[INFO] [stdout] 4 | use compressor::{comp,decomp};
[INFO] [stdout]   |                       ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `result`
[INFO] [stdout]   --> src/efes.rs:23:9
[INFO] [stdout]    |
[INFO] [stdout] 23 |     let result = buf_reader.read_to_end(& mut contents).expect("Failed to read from file.");
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_result`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `src`
[INFO] [stdout]   --> src/insurer.rs:16:12
[INFO] [stdout]    |
[INFO] [stdout] 16 | fn replace(src: &Path, dest: &Path, copy: usize) {}
[INFO] [stdout]    |            ^^^ help: if this is intentional, prefix it with an underscore: `_src`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `dest`
[INFO] [stdout]   --> src/insurer.rs:16:24
[INFO] [stdout]    |
[INFO] [stdout] 16 | fn replace(src: &Path, dest: &Path, copy: usize) {}
[INFO] [stdout]    |                        ^^^^ help: if this is intentional, prefix it with an underscore: `_dest`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `copy`
[INFO] [stdout]   --> src/insurer.rs:16:37
[INFO] [stdout]    |
[INFO] [stdout] 16 | fn replace(src: &Path, dest: &Path, copy: usize) {}
[INFO] [stdout]    |                                     ^^^^ help: if this is intentional, prefix it with an underscore: `_copy`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `replicate`
[INFO] [stdout]  --> src/insurer.rs:6:4
[INFO] [stdout]   |
[INFO] [stdout] 6 | fn replicate(src: &Path, dest: &Path, copies: usize) {
[INFO] [stdout]   |    ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `replace`
[INFO] [stdout]   --> src/insurer.rs:16:4
[INFO] [stdout]    |
[INFO] [stdout] 16 | fn replace(src: &Path, dest: &Path, copy: usize) {}
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `check`
[INFO] [stdout]  --> src/validator.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn check() {}
[INFO] [stdout]   |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `store`
[INFO] [stdout]  --> src/validator.rs:2:4
[INFO] [stdout]   |
[INFO] [stdout] 2 | fn store() {}
[INFO] [stdout]   |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/insurer.rs:11:30
[INFO] [stdout]    |
[INFO] [stdout] 11 |             Err(e) => panic!(e),
[INFO] [stdout]    |                              ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_fmt_panic)]` on by default
[INFO] [stdout]    = note: this is no longer accepted in Rust 2021
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]    |
[INFO] [stdout] 11 |             Err(e) => panic!("{}", e),
[INFO] [stdout]    |                              ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]    |
[INFO] [stdout] 11 |             Err(e) => std::panic::panic_any(e),
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `result`
[INFO] [stdout]   --> src/efes.rs:23:9
[INFO] [stdout]    |
[INFO] [stdout] 23 |     let result = buf_reader.read_to_end(& mut contents).expect("Failed to read from file.");
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_result`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `src`
[INFO] [stdout]   --> src/insurer.rs:16:12
[INFO] [stdout]    |
[INFO] [stdout] 16 | fn replace(src: &Path, dest: &Path, copy: usize) {}
[INFO] [stdout]    |            ^^^ help: if this is intentional, prefix it with an underscore: `_src`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `dest`
[INFO] [stdout]   --> src/insurer.rs:16:24
[INFO] [stdout]    |
[INFO] [stdout] 16 | fn replace(src: &Path, dest: &Path, copy: usize) {}
[INFO] [stdout]    |                        ^^^^ help: if this is intentional, prefix it with an underscore: `_dest`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `copy`
[INFO] [stdout]   --> src/insurer.rs:16:37
[INFO] [stdout]    |
[INFO] [stdout] 16 | fn replace(src: &Path, dest: &Path, copy: usize) {}
[INFO] [stdout]    |                                     ^^^^ help: if this is intentional, prefix it with an underscore: `_copy`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `replicate`
[INFO] [stdout]  --> src/insurer.rs:6:4
[INFO] [stdout]   |
[INFO] [stdout] 6 | fn replicate(src: &Path, dest: &Path, copies: usize) {
[INFO] [stdout]   |    ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `replace`
[INFO] [stdout]   --> src/insurer.rs:16:4
[INFO] [stdout]    |
[INFO] [stdout] 16 | fn replace(src: &Path, dest: &Path, copy: usize) {}
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `check`
[INFO] [stdout]  --> src/validator.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn check() {}
[INFO] [stdout]   |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `store`
[INFO] [stdout]  --> src/validator.rs:2:4
[INFO] [stdout]   |
[INFO] [stdout] 2 | fn store() {}
[INFO] [stdout]   |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/insurer.rs:11:30
[INFO] [stdout]    |
[INFO] [stdout] 11 |             Err(e) => panic!(e),
[INFO] [stdout]    |                              ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_fmt_panic)]` on by default
[INFO] [stdout]    = note: this is no longer accepted in Rust 2021
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]    |
[INFO] [stdout] 11 |             Err(e) => panic!("{}", e),
[INFO] [stdout]    |                              ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]    |
[INFO] [stdout] 11 |             Err(e) => std::panic::panic_any(e),
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/efes.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 24 |     file.sync_all();
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/efes.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 24 |     file.sync_all();
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.83s
[INFO] running `Command { std: "docker" "inspect" "dd0aa172df1f17b572296a9941f2df7dedd17007a33af408c93462c8e6f8416b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd0aa172df1f17b572296a9941f2df7dedd17007a33af408c93462c8e6f8416b", kill_on_drop: false }`
[INFO] [stdout] dd0aa172df1f17b572296a9941f2df7dedd17007a33af408c93462c8e6f8416b