[INFO] cloning repository https://github.com/jmg292/chacha20_poly1305_rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jmg292/chacha20_poly1305_rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjmg292%2Fchacha20_poly1305_rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjmg292%2Fchacha20_poly1305_rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] af04b468e1fb379d31e9bfdfc51bb52a7c332606
[INFO] checking jmg292/chacha20_poly1305_rs against try#a7a572ce3edd6d476191fbfe92c9c1986e009b34 for pr-87190-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjmg292%2Fchacha20_poly1305_rs" "/workspace/builds/worker-78/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-78/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jmg292/chacha20_poly1305_rs on toolchain a7a572ce3edd6d476191fbfe92c9c1986e009b34
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jmg292/chacha20_poly1305_rs
[INFO] finished tweaking git repo https://github.com/jmg292/chacha20_poly1305_rs
[INFO] tweaked toml for git repo https://github.com/jmg292/chacha20_poly1305_rs written to /workspace/builds/worker-78/source/Cargo.toml
[INFO] crate git repo https://github.com/jmg292/chacha20_poly1305_rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "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-78/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-78/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 67a6e69420045a25fd5be5f7be0a7928f0e1960ce6c43adab8400fac1642a142
[INFO] running `Command { std: "docker" "start" "-a" "67a6e69420045a25fd5be5f7be0a7928f0e1960ce6c43adab8400fac1642a142", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "67a6e69420045a25fd5be5f7be0a7928f0e1960ce6c43adab8400fac1642a142", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "67a6e69420045a25fd5be5f7be0a7928f0e1960ce6c43adab8400fac1642a142", kill_on_drop: false }`
[INFO] [stdout] 67a6e69420045a25fd5be5f7be0a7928f0e1960ce6c43adab8400fac1642a142
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-78/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-78/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9dcedfa3713e7871f097ad0296e39a159f8d0ddf219246077a8290218aa71c3c
[INFO] running `Command { std: "docker" "start" "-a" "9dcedfa3713e7871f097ad0296e39a159f8d0ddf219246077a8290218aa71c3c", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] Running `cargo fix --edition`
[INFO] [stderr]     Checking cipher-test v0.1.0 (/tmp/fixit)
[INFO] [stderr]    Migrating src/main.rs from 2018 edition to 2021
[INFO] [stderr]        Fixed src/crypto/utils/u256.rs (4 fixes)
[INFO] [stderr]        Fixed src/crypto/utils/mod.rs (1 fix)
[INFO] [stdout] warning: associated function is never used: `to_hex_string`
[INFO] [stdout]  --> src/crypto/utils/u256.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 |     pub fn to_hex_string(self) -> String {
[INFO] [stdout]   |            ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `word_to_bytes`
[INFO] [stdout]   --> src/crypto/utils/mod.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub fn word_to_bytes(word: u32) -> [u8; 4] {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `to_hex_string`
[INFO] [stdout]  --> src/crypto/utils/u256.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 |     pub fn to_hex_string(self) -> String {
[INFO] [stdout]   |            ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `word_to_bytes`
[INFO] [stdout]   --> src/crypto/utils/mod.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub fn word_to_bytes(word: u32) -> [u8; 4] {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.23s
[INFO] [stderr] Running `cargo check` to verify 2021
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking cipher-test v0.1.0 (/tmp/fixit)
[INFO] [stdout] warning: associated function is never used: `to_hex_string`
[INFO] [stdout]  --> src/crypto/utils/u256.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 |     pub fn to_hex_string(self) -> String {
[INFO] [stdout]   |            ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `word_to_bytes`
[INFO] [stdout]   --> src/crypto/utils/mod.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub fn word_to_bytes(word: u32) -> [u8; 4] {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `to_hex_string`
[INFO] [stdout]  --> src/crypto/utils/u256.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 |     pub fn to_hex_string(self) -> String {
[INFO] [stdout]   |            ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `word_to_bytes`
[INFO] [stdout]   --> src/crypto/utils/mod.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub fn word_to_bytes(word: u32) -> [u8; 4] {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.08s
[INFO] running `Command { std: "docker" "inspect" "9dcedfa3713e7871f097ad0296e39a159f8d0ddf219246077a8290218aa71c3c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9dcedfa3713e7871f097ad0296e39a159f8d0ddf219246077a8290218aa71c3c", kill_on_drop: false }`
[INFO] [stdout] 9dcedfa3713e7871f097ad0296e39a159f8d0ddf219246077a8290218aa71c3c