[INFO] cloning repository https://github.com/polkadot21/low_entropy_file_encrypter
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/polkadot21/low_entropy_file_encrypter" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpolkadot21%2Flow_entropy_file_encrypter", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpolkadot21%2Flow_entropy_file_encrypter'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 22adf3c3b9746ac9709690dd1ddd3c82bb5addec
[INFO] checking polkadot21/low_entropy_file_encrypter against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpolkadot21%2Flow_entropy_file_encrypter" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/polkadot21/low_entropy_file_encrypter on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/polkadot21/low_entropy_file_encrypter
[INFO] finished tweaking git repo https://github.com/polkadot21/low_entropy_file_encrypter
[INFO] tweaked toml for git repo https://github.com/polkadot21/low_entropy_file_encrypter written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/polkadot21/low_entropy_file_encrypter 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rust-argon2 v1.0.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1c96a3d9b8b38b682597836f62ca9af2778a1022d0d5fd6a87d3b2c091524096
[INFO] running `Command { std: "docker" "start" "-a" "1c96a3d9b8b38b682597836f62ca9af2778a1022d0d5fd6a87d3b2c091524096", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1c96a3d9b8b38b682597836f62ca9af2778a1022d0d5fd6a87d3b2c091524096", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c96a3d9b8b38b682597836f62ca9af2778a1022d0d5fd6a87d3b2c091524096", kill_on_drop: false }`
[INFO] [stdout] 1c96a3d9b8b38b682597836f62ca9af2778a1022d0d5fd6a87d3b2c091524096
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2b34e11e99298d12c9b45f882a53c5c1bcdd7401ca77377bebaa9dfaceb27939
[INFO] running `Command { std: "docker" "start" "-a" "2b34e11e99298d12c9b45f882a53c5c1bcdd7401ca77377bebaa9dfaceb27939", kill_on_drop: false }`
[INFO] [stderr]    Compiling generic-array v0.14.6
[INFO] [stderr]    Compiling crossbeam-utils v0.8.14
[INFO] [stderr]     Checking cpufeatures v0.2.5
[INFO] [stderr]     Checking subtle v2.4.1
[INFO] [stderr]    Compiling anyhow v1.0.66
[INFO] [stderr]     Checking arrayvec v0.7.2
[INFO] [stderr]     Checking zeroize v1.5.7
[INFO] [stderr]     Checking base64 v0.13.1
[INFO] [stderr]     Checking getrandom v0.2.8
[INFO] [stderr]     Checking rpassword v5.0.1
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking blake2b_simd v1.0.0
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking universal-hash v0.4.1
[INFO] [stderr]     Checking cipher v0.3.0
[INFO] [stderr]     Checking aead v0.4.3
[INFO] [stderr]     Checking rust-argon2 v1.0.0
[INFO] [stderr]     Checking poly1305 v0.7.2
[INFO] [stderr]     Checking chacha20 v0.8.2
[INFO] [stderr]     Checking chacha20poly1305 v0.9.1
[INFO] [stderr]     Checking file_encrypter v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `env`
[INFO] [stdout]  --> src/main.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     env,
[INFO] [stdout]   |     ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `env`
[INFO] [stdout]  --> src/main.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     env,
[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` profile [unoptimized + debuginfo] target(s) in 1.19s
[INFO] running `Command { std: "docker" "inspect" "2b34e11e99298d12c9b45f882a53c5c1bcdd7401ca77377bebaa9dfaceb27939", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b34e11e99298d12c9b45f882a53c5c1bcdd7401ca77377bebaa9dfaceb27939", kill_on_drop: false }`
[INFO] [stdout] 2b34e11e99298d12c9b45f882a53c5c1bcdd7401ca77377bebaa9dfaceb27939
[INFO] checking polkadot21/low_entropy_file_encrypter against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpolkadot21%2Flow_entropy_file_encrypter" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/polkadot21/low_entropy_file_encrypter on toolchain 645bb72776a6a56a1a8f52631a44bd082b2ba509
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/polkadot21/low_entropy_file_encrypter
[INFO] finished tweaking git repo https://github.com/polkadot21/low_entropy_file_encrypter
[INFO] tweaked toml for git repo https://github.com/polkadot21/low_entropy_file_encrypter written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/polkadot21/low_entropy_file_encrypter 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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 116a0001ff60a55cc3b2e0750bf6275b23d882ff777cfe2b70167003481969f4
[INFO] running `Command { std: "docker" "start" "-a" "116a0001ff60a55cc3b2e0750bf6275b23d882ff777cfe2b70167003481969f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "116a0001ff60a55cc3b2e0750bf6275b23d882ff777cfe2b70167003481969f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "116a0001ff60a55cc3b2e0750bf6275b23d882ff777cfe2b70167003481969f4", kill_on_drop: false }`
[INFO] [stdout] 116a0001ff60a55cc3b2e0750bf6275b23d882ff777cfe2b70167003481969f4
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ff6f18af831172dd024ee80dc8441b343d13d988527380029633dbadaf3e4dc9
[INFO] running `Command { std: "docker" "start" "-a" "ff6f18af831172dd024ee80dc8441b343d13d988527380029633dbadaf3e4dc9", kill_on_drop: false }`
[INFO] [stderr]    Compiling generic-array v0.14.6
[INFO] [stderr]     Checking cpufeatures v0.2.5
[INFO] [stderr]     Checking subtle v2.4.1
[INFO] [stderr]    Compiling crossbeam-utils v0.8.14
[INFO] [stderr]    Compiling anyhow v1.0.66
[INFO] [stderr]     Checking arrayvec v0.7.2
[INFO] [stderr]     Checking zeroize v1.5.7
[INFO] [stderr]     Checking base64 v0.13.1
[INFO] [stderr]     Checking getrandom v0.2.8
[INFO] [stderr]     Checking rpassword v5.0.1
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking blake2b_simd v1.0.0
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking universal-hash v0.4.1
[INFO] [stderr]     Checking cipher v0.3.0
[INFO] [stderr]     Checking aead v0.4.3
[INFO] [stderr]     Checking poly1305 v0.7.2
[INFO] [stderr]     Checking chacha20 v0.8.2
[INFO] [stderr]     Checking rust-argon2 v1.0.0
[INFO] [stderr]     Checking chacha20poly1305 v0.9.1
[INFO] [stderr]     Checking file_encrypter v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `env`
[INFO] [stdout]  --> src/main.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     env,
[INFO] [stdout]   |     ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `env`
[INFO] [stdout]  --> src/main.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     env,
[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` profile [unoptimized + debuginfo] target(s) in 1.26s
[INFO] running `Command { std: "docker" "inspect" "ff6f18af831172dd024ee80dc8441b343d13d988527380029633dbadaf3e4dc9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff6f18af831172dd024ee80dc8441b343d13d988527380029633dbadaf3e4dc9", kill_on_drop: false }`
[INFO] [stdout] ff6f18af831172dd024ee80dc8441b343d13d988527380029633dbadaf3e4dc9