[INFO] cloning repository https://github.com/benjaminplee/enigma [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/benjaminplee/enigma" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbenjaminplee%2Fenigma", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbenjaminplee%2Fenigma'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] bf804cd1a6411822f231fdbff465d584f326fefe [INFO] checking benjaminplee/enigma against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbenjaminplee%2Fenigma" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/benjaminplee/enigma 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/benjaminplee/enigma [INFO] finished tweaking git repo https://github.com/benjaminplee/enigma [INFO] tweaked toml for git repo https://github.com/benjaminplee/enigma written to /workspace/builds/worker-6-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/benjaminplee/enigma 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 7b33c54f5787a1e0fc099a0bb08a78021c18caf50b816f83a2349ddfbe042f2e [INFO] running `Command { std: "docker" "start" "-a" "7b33c54f5787a1e0fc099a0bb08a78021c18caf50b816f83a2349ddfbe042f2e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "7b33c54f5787a1e0fc099a0bb08a78021c18caf50b816f83a2349ddfbe042f2e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7b33c54f5787a1e0fc099a0bb08a78021c18caf50b816f83a2349ddfbe042f2e", kill_on_drop: false }` [INFO] [stdout] 7b33c54f5787a1e0fc099a0bb08a78021c18caf50b816f83a2349ddfbe042f2e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 2385c6af666a4c0ed910a04abb6193c8e87d570350beb13eb0077ac90255852c [INFO] running `Command { std: "docker" "start" "-a" "2385c6af666a4c0ed910a04abb6193c8e87d570350beb13eb0077ac90255852c", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.108 [INFO] [stderr] Compiling memchr v2.4.1 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Checking regex-syntax v0.6.25 [INFO] [stderr] Checking termcolor v1.1.2 [INFO] [stderr] Checking unicode-width v0.1.9 [INFO] [stderr] Checking ppv-lite86 v0.2.15 [INFO] [stderr] Checking vec_map v0.8.2 [INFO] [stderr] Checking strsim v0.8.0 [INFO] [stderr] Checking yaml-rust v0.3.5 [INFO] [stderr] Checking humantime v2.1.0 [INFO] [stderr] Checking ansi_term v0.11.0 [INFO] [stderr] Checking humantime v1.3.0 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking aho-corasick v0.7.18 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking getrandom v0.2.3 [INFO] [stderr] Checking clap v2.33.3 [INFO] [stderr] Checking rand_core v0.6.3 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand v0.8.4 [INFO] [stderr] Checking regex v1.5.4 [INFO] [stderr] Checking env_logger v0.7.1 [INFO] [stderr] Checking env_logger v0.9.0 [INFO] [stderr] Checking pretty_env_logger v0.4.0 [INFO] [stderr] Checking enigma v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `Rng` is imported redundantly [INFO] [stdout] --> src/lib.rs:7:9 [INFO] [stdout] | [INFO] [stdout] 6 | use rand::prelude::*; [INFO] [stdout] | ---------------- the item `Rng` is already imported here [INFO] [stdout] 7 | use rand::Rng; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Rng` is imported redundantly [INFO] [stdout] --> src/lib.rs:7:9 [INFO] [stdout] | [INFO] [stdout] 6 | use rand::prelude::*; [INFO] [stdout] | ---------------- the item `Rng` is already imported here [INFO] [stdout] 7 | use rand::Rng; [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 4.43s [INFO] running `Command { std: "docker" "inspect" "2385c6af666a4c0ed910a04abb6193c8e87d570350beb13eb0077ac90255852c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2385c6af666a4c0ed910a04abb6193c8e87d570350beb13eb0077ac90255852c", kill_on_drop: false }` [INFO] [stdout] 2385c6af666a4c0ed910a04abb6193c8e87d570350beb13eb0077ac90255852c [INFO] checking benjaminplee/enigma against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbenjaminplee%2Fenigma" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/benjaminplee/enigma 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/benjaminplee/enigma [INFO] finished tweaking git repo https://github.com/benjaminplee/enigma [INFO] tweaked toml for git repo https://github.com/benjaminplee/enigma written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/benjaminplee/enigma 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-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 95e6e215c84015744bf94370fb8db4f0314302a65bb4427b8b196c22fe9340d7 [INFO] running `Command { std: "docker" "start" "-a" "95e6e215c84015744bf94370fb8db4f0314302a65bb4427b8b196c22fe9340d7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "95e6e215c84015744bf94370fb8db4f0314302a65bb4427b8b196c22fe9340d7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "95e6e215c84015744bf94370fb8db4f0314302a65bb4427b8b196c22fe9340d7", kill_on_drop: false }` [INFO] [stdout] 95e6e215c84015744bf94370fb8db4f0314302a65bb4427b8b196c22fe9340d7 [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=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] 32bee9c80bdf5fd0dcf016acc730ce19927b4f75dc1d2f3fd4a3db11272d2a20 [INFO] running `Command { std: "docker" "start" "-a" "32bee9c80bdf5fd0dcf016acc730ce19927b4f75dc1d2f3fd4a3db11272d2a20", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.108 [INFO] [stderr] Compiling memchr v2.4.1 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Checking regex-syntax v0.6.25 [INFO] [stderr] Checking termcolor v1.1.2 [INFO] [stderr] Checking ppv-lite86 v0.2.15 [INFO] [stderr] Checking unicode-width v0.1.9 [INFO] [stderr] Checking strsim v0.8.0 [INFO] [stderr] Checking ansi_term v0.11.0 [INFO] [stderr] Checking humantime v2.1.0 [INFO] [stderr] Checking vec_map v0.8.2 [INFO] [stderr] Checking yaml-rust v0.3.5 [INFO] [stderr] Checking humantime v1.3.0 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking aho-corasick v0.7.18 [INFO] [stderr] Checking getrandom v0.2.3 [INFO] [stderr] Checking clap v2.33.3 [INFO] [stderr] Checking rand_core v0.6.3 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand v0.8.4 [INFO] [stderr] Checking regex v1.5.4 [INFO] [stderr] Checking env_logger v0.7.1 [INFO] [stderr] Checking env_logger v0.9.0 [INFO] [stderr] Checking pretty_env_logger v0.4.0 [INFO] [stderr] Checking enigma v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `Rng` is imported redundantly [INFO] [stdout] --> src/lib.rs:7:9 [INFO] [stdout] | [INFO] [stdout] 6 | use rand::prelude::*; [INFO] [stdout] | ---------------- the item `Rng` is already imported here [INFO] [stdout] 7 | use rand::Rng; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Rng` is imported redundantly [INFO] [stdout] --> src/lib.rs:7:9 [INFO] [stdout] | [INFO] [stdout] 6 | use rand::prelude::*; [INFO] [stdout] | ---------------- the item `Rng` is already imported here [INFO] [stdout] 7 | use rand::Rng; [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 4.43s [INFO] running `Command { std: "docker" "inspect" "32bee9c80bdf5fd0dcf016acc730ce19927b4f75dc1d2f3fd4a3db11272d2a20", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "32bee9c80bdf5fd0dcf016acc730ce19927b4f75dc1d2f3fd4a3db11272d2a20", kill_on_drop: false }` [INFO] [stdout] 32bee9c80bdf5fd0dcf016acc730ce19927b4f75dc1d2f3fd4a3db11272d2a20