[INFO] cloning repository https://github.com/lothardp/chimptype [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lothardp/chimptype" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flothardp%2Fchimptype", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flothardp%2Fchimptype'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 415f271e0635619cc9c47c3cd405722c14a798cd [INFO] checking lothardp/chimptype against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flothardp%2Fchimptype" "/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/lothardp/chimptype 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/lothardp/chimptype [INFO] finished tweaking git repo https://github.com/lothardp/chimptype [INFO] tweaked toml for git repo https://github.com/lothardp/chimptype written to /workspace/builds/worker-2-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/lothardp/chimptype 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] 52f1b2d6f3014ecf44ac4d9af645cc6307c6238aaddb8f75b5e31eff473473b0 [INFO] running `Command { std: "docker" "start" "-a" "52f1b2d6f3014ecf44ac4d9af645cc6307c6238aaddb8f75b5e31eff473473b0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "52f1b2d6f3014ecf44ac4d9af645cc6307c6238aaddb8f75b5e31eff473473b0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "52f1b2d6f3014ecf44ac4d9af645cc6307c6238aaddb8f75b5e31eff473473b0", kill_on_drop: false }` [INFO] [stdout] 52f1b2d6f3014ecf44ac4d9af645cc6307c6238aaddb8f75b5e31eff473473b0 [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] f7f84c223416d1d0e32897346939620ecb0cfdabb33e89903feb95eb31b093f6 [INFO] running `Command { std: "docker" "start" "-a" "f7f84c223416d1d0e32897346939620ecb0cfdabb33e89903feb95eb31b093f6", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.141 [INFO] [stderr] Compiling serde v1.0.182 [INFO] [stderr] Compiling serde_json v1.0.104 [INFO] [stderr] Checking itoa v1.0.9 [INFO] [stderr] Checking ryu v1.0.15 [INFO] [stderr] Checking numtoa v0.1.0 [INFO] [stderr] Checking getrandom v0.2.9 [INFO] [stderr] Checking termion v2.0.1 [INFO] [stderr] Checking rand_core v0.6.4 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Checking chimptype v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `serde_json` is imported redundantly [INFO] [stdout] --> src/lib.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use serde_json; [INFO] [stdout] | ^^^^^^^^^^ the item `serde_json` is already defined by prelude [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `serde_json` is imported redundantly [INFO] [stdout] --> src/lib.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use serde_json; [INFO] [stdout] | ^^^^^^^^^^ the item `serde_json` is already defined by prelude [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `final_state` is never read [INFO] [stdout] --> src/lib.rs:22:5 [INFO] [stdout] | [INFO] [stdout] 20 | struct TestResult { [INFO] [stdout] | ---------- field in this struct [INFO] [stdout] 21 | duration: Duration, [INFO] [stdout] 22 | final_state: TestState, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `TestResult` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/lib.rs:70:17 [INFO] [stdout] | [INFO] [stdout] 70 | test_state.handle_key(key); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 70 | let _ = test_state.handle_key(key); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `final_state` is never read [INFO] [stdout] --> src/lib.rs:22:5 [INFO] [stdout] | [INFO] [stdout] 20 | struct TestResult { [INFO] [stdout] | ---------- field in this struct [INFO] [stdout] 21 | duration: Duration, [INFO] [stdout] 22 | final_state: TestState, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `TestResult` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/lib.rs:70:17 [INFO] [stdout] | [INFO] [stdout] 70 | test_state.handle_key(key); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 70 | let _ = test_state.handle_key(key); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.39s [INFO] running `Command { std: "docker" "inspect" "f7f84c223416d1d0e32897346939620ecb0cfdabb33e89903feb95eb31b093f6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f7f84c223416d1d0e32897346939620ecb0cfdabb33e89903feb95eb31b093f6", kill_on_drop: false }` [INFO] [stdout] f7f84c223416d1d0e32897346939620ecb0cfdabb33e89903feb95eb31b093f6 [INFO] checking lothardp/chimptype against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flothardp%2Fchimptype" "/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/lothardp/chimptype 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/lothardp/chimptype [INFO] finished tweaking git repo https://github.com/lothardp/chimptype [INFO] tweaked toml for git repo https://github.com/lothardp/chimptype written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/lothardp/chimptype 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] a24bf455ae63868b7e39f3507ade2519ce632108b5f701b82129dadc43d7ef0f [INFO] running `Command { std: "docker" "start" "-a" "a24bf455ae63868b7e39f3507ade2519ce632108b5f701b82129dadc43d7ef0f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a24bf455ae63868b7e39f3507ade2519ce632108b5f701b82129dadc43d7ef0f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a24bf455ae63868b7e39f3507ade2519ce632108b5f701b82129dadc43d7ef0f", kill_on_drop: false }` [INFO] [stdout] a24bf455ae63868b7e39f3507ade2519ce632108b5f701b82129dadc43d7ef0f [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] f2aff916cc3233074fa34755d6207262b37daef3d79715336a8173955c9008cf [INFO] running `Command { std: "docker" "start" "-a" "f2aff916cc3233074fa34755d6207262b37daef3d79715336a8173955c9008cf", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.141 [INFO] [stderr] Compiling serde v1.0.182 [INFO] [stderr] Compiling serde_json v1.0.104 [INFO] [stderr] Checking ryu v1.0.15 [INFO] [stderr] Checking itoa v1.0.9 [INFO] [stderr] Checking numtoa v0.1.0 [INFO] [stderr] Checking getrandom v0.2.9 [INFO] [stderr] Checking termion v2.0.1 [INFO] [stderr] Checking rand_core v0.6.4 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Checking chimptype v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `serde_json` is imported redundantly [INFO] [stdout] --> src/lib.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use serde_json; [INFO] [stdout] | ^^^^^^^^^^ the item `serde_json` is already defined by prelude [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `serde_json` is imported redundantly [INFO] [stdout] --> src/lib.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use serde_json; [INFO] [stdout] | ^^^^^^^^^^ the item `serde_json` is already defined by prelude [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `final_state` is never read [INFO] [stdout] --> src/lib.rs:22:5 [INFO] [stdout] | [INFO] [stdout] 20 | struct TestResult { [INFO] [stdout] | ---------- field in this struct [INFO] [stdout] 21 | duration: Duration, [INFO] [stdout] 22 | final_state: TestState, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `TestResult` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/lib.rs:70:17 [INFO] [stdout] | [INFO] [stdout] 70 | test_state.handle_key(key); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 70 | let _ = test_state.handle_key(key); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `final_state` is never read [INFO] [stdout] --> src/lib.rs:22:5 [INFO] [stdout] | [INFO] [stdout] 20 | struct TestResult { [INFO] [stdout] | ---------- field in this struct [INFO] [stdout] 21 | duration: Duration, [INFO] [stdout] 22 | final_state: TestState, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `TestResult` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/lib.rs:70:17 [INFO] [stdout] | [INFO] [stdout] 70 | test_state.handle_key(key); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 70 | let _ = test_state.handle_key(key); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.15s [INFO] running `Command { std: "docker" "inspect" "f2aff916cc3233074fa34755d6207262b37daef3d79715336a8173955c9008cf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f2aff916cc3233074fa34755d6207262b37daef3d79715336a8173955c9008cf", kill_on_drop: false }` [INFO] [stdout] f2aff916cc3233074fa34755d6207262b37daef3d79715336a8173955c9008cf