[INFO] cloning repository https://github.com/shadowCow/cryptography
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/shadowCow/cryptography" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FshadowCow%2Fcryptography", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FshadowCow%2Fcryptography'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e64e48e044c318fdb88f444fd9d81350d6a27a28
[INFO] checking shadowCow/cryptography against try#724e78794d2cf06eef820a24c9a4608d63435e1d for pr-149145
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FshadowCow%2Fcryptography" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/shadowCow/cryptography
[INFO] finished tweaking git repo https://github.com/shadowCow/cryptography
[INFO] tweaked toml for git repo https://github.com/shadowCow/cryptography written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/shadowCow/cryptography on toolchain 724e78794d2cf06eef820a24c9a4608d63435e1d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+724e78794d2cf06eef820a24c9a4608d63435e1d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/shadowCow/cryptography 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" "+724e78794d2cf06eef820a24c9a4608d63435e1d" "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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+724e78794d2cf06eef820a24c9a4608d63435e1d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bbfa2440c3db9dfc1ec96b921463791bb9d9d23d6b6146bdc04806e54abccaa9
[INFO] running `Command { std: "docker" "start" "-a" "bbfa2440c3db9dfc1ec96b921463791bb9d9d23d6b6146bdc04806e54abccaa9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bbfa2440c3db9dfc1ec96b921463791bb9d9d23d6b6146bdc04806e54abccaa9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bbfa2440c3db9dfc1ec96b921463791bb9d9d23d6b6146bdc04806e54abccaa9", kill_on_drop: false }`
[INFO] [stdout] bbfa2440c3db9dfc1ec96b921463791bb9d9d23d6b6146bdc04806e54abccaa9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+724e78794d2cf06eef820a24c9a4608d63435e1d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dfeb6236ae07548461a0b1f8010e98d6906577ae4ff622963573b1138ba3cfd8
[INFO] running `Command { std: "docker" "start" "-a" "dfeb6236ae07548461a0b1f8010e98d6906577ae4ff622963573b1138ba3cfd8", kill_on_drop: false }`
[INFO] [stderr]     Checking cryptography v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `crate::frequency`
[INFO] [stdout]  --> src/substitution.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::frequency;
[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::frequency`
[INFO] [stdout]  --> src/substitution.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::frequency;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `LETTER_FREQUENCY` is never used
[INFO] [stdout]  --> src/frequency.rs:1:7
[INFO] [stdout]   |
[INFO] [stdout] 1 | const LETTER_FREQUENCY: [f64; 26] = [
[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 `distance_from_english` is never used
[INFO] [stdout]   --> src/frequency.rs:30:8
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub fn distance_from_english(text: &str) -> f64 {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `char_frequency` is never used
[INFO] [stdout]   --> src/frequency.rs:35:4
[INFO] [stdout]    |
[INFO] [stdout] 35 | fn char_frequency(text: &str) -> [f64; 26] {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `euclidean_distance` is never used
[INFO] [stdout]   --> src/frequency.rs:52:4
[INFO] [stdout]    |
[INFO] [stdout] 52 | fn euclidean_distance(vec1: &[f64], vec2: &[f64]) -> f64 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `LETTER_FREQUENCY` is never used
[INFO] [stdout]  --> src/frequency.rs:1:7
[INFO] [stdout]   |
[INFO] [stdout] 1 | const LETTER_FREQUENCY: [f64; 26] = [
[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 `distance_from_english` is never used
[INFO] [stdout]   --> src/frequency.rs:30:8
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub fn distance_from_english(text: &str) -> f64 {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `char_frequency` is never used
[INFO] [stdout]   --> src/frequency.rs:35:4
[INFO] [stdout]    |
[INFO] [stdout] 35 | fn char_frequency(text: &str) -> [f64; 26] {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `euclidean_distance` is never used
[INFO] [stdout]   --> src/frequency.rs:52:4
[INFO] [stdout]    |
[INFO] [stdout] 52 | fn euclidean_distance(vec1: &[f64], vec2: &[f64]) -> f64 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.09s
[INFO] running `Command { std: "docker" "inspect" "dfeb6236ae07548461a0b1f8010e98d6906577ae4ff622963573b1138ba3cfd8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dfeb6236ae07548461a0b1f8010e98d6906577ae4ff622963573b1138ba3cfd8", kill_on_drop: false }`
[INFO] [stdout] dfeb6236ae07548461a0b1f8010e98d6906577ae4ff622963573b1138ba3cfd8