[INFO] cloning repository https://github.com/solaris0403/cryptogram
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/solaris0403/cryptogram" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsolaris0403%2Fcryptogram", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsolaris0403%2Fcryptogram'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] dae68209f7abf54450fbe54cfb4996950ad348cb
[INFO] checking solaris0403/cryptogram against 1.95.0-beta.7 for beta-1.95-4
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsolaris0403%2Fcryptogram" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/solaris0403/cryptogram
[INFO] finished tweaking git repo https://github.com/solaris0403/cryptogram
[INFO] tweaked toml for git repo https://github.com/solaris0403/cryptogram written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/solaris0403/cryptogram on toolchain 1.95.0-beta.7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0-beta.7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/solaris0403/cryptogram 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" "+1.95.0-beta.7" "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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+1.95.0-beta.7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 86020dcd7aa95290fc46eb8f149af83aaa6464a40c991feb2bb7d76d6b9a6760
[INFO] running `Command { std: "docker" "start" "-a" "86020dcd7aa95290fc46eb8f149af83aaa6464a40c991feb2bb7d76d6b9a6760", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "86020dcd7aa95290fc46eb8f149af83aaa6464a40c991feb2bb7d76d6b9a6760", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "86020dcd7aa95290fc46eb8f149af83aaa6464a40c991feb2bb7d76d6b9a6760", kill_on_drop: false }`
[INFO] [stdout] 86020dcd7aa95290fc46eb8f149af83aaa6464a40c991feb2bb7d76d6b9a6760
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+1.95.0-beta.7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 09652059bd6e22c900108d7ec6f02f18cb3b42092653dab8f43940d3b133c357
[INFO] running `Command { std: "docker" "start" "-a" "09652059bd6e22c900108d7ec6f02f18cb3b42092653dab8f43940d3b133c357", kill_on_drop: false }`
[INFO] [stderr]     Checking Cryptogram v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `Cryptogram` and `XOR`
[INFO] [stdout]  --> src/main.rs:2:18
[INFO] [stdout]   |
[INFO] [stdout] 2 | use cryptogram::{Cryptogram, XOR};
[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/main.rs:15:18
[INFO] [stdout]    |
[INFO] [stdout] 15 |     let result = (7u64.pow(16) % 12);
[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] 15 -     let result = (7u64.pow(16) % 12);
[INFO] [stdout] 15 +     let result = 7u64.pow(16) % 12 ;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Cryptogram` and `XOR`
[INFO] [stdout]  --> src/main.rs:2:18
[INFO] [stdout]   |
[INFO] [stdout] 2 | use cryptogram::{Cryptogram, XOR};
[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/main.rs:15:18
[INFO] [stdout]    |
[INFO] [stdout] 15 |     let result = (7u64.pow(16) % 12);
[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] 15 -     let result = (7u64.pow(16) % 12);
[INFO] [stdout] 15 +     let result = 7u64.pow(16) % 12 ;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Cryptogram` is never used
[INFO] [stdout]  --> src/cryptogram.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub trait Cryptogram {
[INFO] [stdout]   |           ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `XOR` is never constructed
[INFO] [stdout]  --> src/cryptogram.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct XOR {
[INFO] [stdout]   |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Cryptogram` is never used
[INFO] [stdout]  --> src/cryptogram.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub trait Cryptogram {
[INFO] [stdout]   |           ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `XOR` is never constructed
[INFO] [stdout]  --> src/cryptogram.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct XOR {
[INFO] [stdout]   |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.07s
[INFO] running `Command { std: "docker" "inspect" "09652059bd6e22c900108d7ec6f02f18cb3b42092653dab8f43940d3b133c357", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "09652059bd6e22c900108d7ec6f02f18cb3b42092653dab8f43940d3b133c357", kill_on_drop: false }`
[INFO] [stdout] 09652059bd6e22c900108d7ec6f02f18cb3b42092653dab8f43940d3b133c357