[INFO] cloning repository https://github.com/disconsis/redis-from-scratch [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/disconsis/redis-from-scratch" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdisconsis%2Fredis-from-scratch", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdisconsis%2Fredis-from-scratch'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 47b614d152995583963e89c2c2efa6adb20899e2 [INFO] checking disconsis/redis-from-scratch against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdisconsis%2Fredis-from-scratch" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/disconsis/redis-from-scratch 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/disconsis/redis-from-scratch [INFO] finished tweaking git repo https://github.com/disconsis/redis-from-scratch [INFO] tweaked toml for git repo https://github.com/disconsis/redis-from-scratch written to /workspace/builds/worker-2-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/disconsis/redis-from-scratch 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-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 84d5268dc89b1c1a2fe38e94814bee8104f8bbc3f3ff147c9ceac120bfa3770f [INFO] running `Command { std: "docker" "start" "-a" "84d5268dc89b1c1a2fe38e94814bee8104f8bbc3f3ff147c9ceac120bfa3770f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "84d5268dc89b1c1a2fe38e94814bee8104f8bbc3f3ff147c9ceac120bfa3770f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "84d5268dc89b1c1a2fe38e94814bee8104f8bbc3f3ff147c9ceac120bfa3770f", kill_on_drop: false }` [INFO] [stdout] 84d5268dc89b1c1a2fe38e94814bee8104f8bbc3f3ff147c9ceac120bfa3770f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 1ac357b73072ecece1e05232aebf226957cb3c2e862228a39c8908077eecabfc [INFO] running `Command { std: "docker" "start" "-a" "1ac357b73072ecece1e05232aebf226957cb3c2e862228a39c8908077eecabfc", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.138 [INFO] [stderr] Compiling syn v1.0.67 [INFO] [stderr] Compiling parking_lot_core v0.9.5 [INFO] [stderr] Compiling lock_api v0.4.9 [INFO] [stderr] Compiling log v0.4.11 [INFO] [stderr] Checking smallvec v1.10.0 [INFO] [stderr] Compiling tokio v1.23.0 [INFO] [stderr] Compiling anyhow v1.0.59 [INFO] [stderr] Checking bytes v1.3.0 [INFO] [stderr] Checking signal-hook-registry v1.2.2 [INFO] [stderr] Checking mio v0.8.5 [INFO] [stderr] Checking num_cpus v1.13.0 [INFO] [stderr] Checking socket2 v0.4.7 [INFO] [stderr] Checking parking_lot v0.12.1 [INFO] [stderr] Compiling thiserror-impl v1.0.32 [INFO] [stderr] Compiling tokio-macros v1.8.2 [INFO] [stderr] Checking thiserror v1.0.32 [INFO] [stderr] Checking redis-starter-rust v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused imports: `Context`, `anyhow`, `bail` [INFO] [stdout] --> src/main.rs:6:14 [INFO] [stdout] | [INFO] [stdout] 6 | use anyhow::{anyhow, bail, Context}; [INFO] [stdout] | ^^^^^^ ^^^^ ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Context`, `anyhow`, `bail` [INFO] [stdout] --> src/main.rs:6:14 [INFO] [stdout] | [INFO] [stdout] 6 | use anyhow::{anyhow, bail, Context}; [INFO] [stdout] | ^^^^^^ ^^^^ ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `as_simple_string`, `as_error`, `as_integer`, and `as_null` are never used [INFO] [stdout] --> src/resp.rs:34:12 [INFO] [stdout] | [INFO] [stdout] 22 | impl Msg { [INFO] [stdout] | -------- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 34 | pub fn as_simple_string(&self) -> anyhow::Result<&str> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 44 | pub fn as_error(&self) -> anyhow::Result<&str> { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 49 | pub fn as_integer(&self) -> anyhow::Result<&i64> { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 59 | pub fn as_null(&self) -> anyhow::Result<&Self> { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `as_simple_string`, `as_error`, `as_integer`, and `as_null` are never used [INFO] [stdout] --> src/resp.rs:34:12 [INFO] [stdout] | [INFO] [stdout] 22 | impl Msg { [INFO] [stdout] | -------- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 34 | pub fn as_simple_string(&self) -> anyhow::Result<&str> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 44 | pub fn as_error(&self) -> anyhow::Result<&str> { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 49 | pub fn as_integer(&self) -> anyhow::Result<&i64> { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 59 | pub fn as_null(&self) -> anyhow::Result<&Self> { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [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` profile [unoptimized + debuginfo] target(s) in 11.12s [INFO] running `Command { std: "docker" "inspect" "1ac357b73072ecece1e05232aebf226957cb3c2e862228a39c8908077eecabfc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1ac357b73072ecece1e05232aebf226957cb3c2e862228a39c8908077eecabfc", kill_on_drop: false }` [INFO] [stdout] 1ac357b73072ecece1e05232aebf226957cb3c2e862228a39c8908077eecabfc [INFO] checking disconsis/redis-from-scratch against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdisconsis%2Fredis-from-scratch" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/disconsis/redis-from-scratch 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/disconsis/redis-from-scratch [INFO] finished tweaking git repo https://github.com/disconsis/redis-from-scratch [INFO] tweaked toml for git repo https://github.com/disconsis/redis-from-scratch written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/disconsis/redis-from-scratch 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-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 28bc942ab737e35842ecf9b85c2ee13fef0643e20e10bba8e07a41655bd3e17b [INFO] running `Command { std: "docker" "start" "-a" "28bc942ab737e35842ecf9b85c2ee13fef0643e20e10bba8e07a41655bd3e17b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "28bc942ab737e35842ecf9b85c2ee13fef0643e20e10bba8e07a41655bd3e17b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "28bc942ab737e35842ecf9b85c2ee13fef0643e20e10bba8e07a41655bd3e17b", kill_on_drop: false }` [INFO] [stdout] 28bc942ab737e35842ecf9b85c2ee13fef0643e20e10bba8e07a41655bd3e17b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 5b04fde806bc4747d88bd5d4f49bf4abdd47527cdfa38cabc47b48055844ee72 [INFO] running `Command { std: "docker" "start" "-a" "5b04fde806bc4747d88bd5d4f49bf4abdd47527cdfa38cabc47b48055844ee72", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.138 [INFO] [stderr] Compiling syn v1.0.67 [INFO] [stderr] Compiling parking_lot_core v0.9.5 [INFO] [stderr] Compiling log v0.4.11 [INFO] [stderr] Checking smallvec v1.10.0 [INFO] [stderr] Compiling anyhow v1.0.59 [INFO] [stderr] Checking bytes v1.3.0 [INFO] [stderr] Compiling lock_api v0.4.9 [INFO] [stderr] Compiling tokio v1.23.0 [INFO] [stderr] Checking mio v0.8.5 [INFO] [stderr] Checking signal-hook-registry v1.2.2 [INFO] [stderr] Checking num_cpus v1.13.0 [INFO] [stderr] Checking socket2 v0.4.7 [INFO] [stderr] Checking parking_lot v0.12.1 [INFO] [stderr] Compiling tokio-macros v1.8.2 [INFO] [stderr] Compiling thiserror-impl v1.0.32 [INFO] [stderr] Checking thiserror v1.0.32 [INFO] [stderr] Checking redis-starter-rust v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused imports: `Context`, `anyhow`, `bail` [INFO] [stdout] --> src/main.rs:6:14 [INFO] [stdout] | [INFO] [stdout] 6 | use anyhow::{anyhow, bail, Context}; [INFO] [stdout] | ^^^^^^ ^^^^ ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Context`, `anyhow`, `bail` [INFO] [stdout] --> src/main.rs:6:14 [INFO] [stdout] | [INFO] [stdout] 6 | use anyhow::{anyhow, bail, Context}; [INFO] [stdout] | ^^^^^^ ^^^^ ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `as_simple_string`, `as_error`, `as_integer`, and `as_null` are never used [INFO] [stdout] --> src/resp.rs:34:12 [INFO] [stdout] | [INFO] [stdout] 22 | impl Msg { [INFO] [stdout] | -------- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 34 | pub fn as_simple_string(&self) -> anyhow::Result<&str> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 44 | pub fn as_error(&self) -> anyhow::Result<&str> { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 49 | pub fn as_integer(&self) -> anyhow::Result<&i64> { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 59 | pub fn as_null(&self) -> anyhow::Result<&Self> { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `as_simple_string`, `as_error`, `as_integer`, and `as_null` are never used [INFO] [stdout] --> src/resp.rs:34:12 [INFO] [stdout] | [INFO] [stdout] 22 | impl Msg { [INFO] [stdout] | -------- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 34 | pub fn as_simple_string(&self) -> anyhow::Result<&str> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 44 | pub fn as_error(&self) -> anyhow::Result<&str> { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 49 | pub fn as_integer(&self) -> anyhow::Result<&i64> { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 59 | pub fn as_null(&self) -> anyhow::Result<&Self> { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.28s [INFO] running `Command { std: "docker" "inspect" "5b04fde806bc4747d88bd5d4f49bf4abdd47527cdfa38cabc47b48055844ee72", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5b04fde806bc4747d88bd5d4f49bf4abdd47527cdfa38cabc47b48055844ee72", kill_on_drop: false }` [INFO] [stdout] 5b04fde806bc4747d88bd5d4f49bf4abdd47527cdfa38cabc47b48055844ee72