[INFO] fetching crate solana_libra_logger 0.0.1-sol5... [INFO] checking solana_libra_logger-0.0.1-sol5 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] extracting crate solana_libra_logger 0.0.1-sol5 into /workspace/builds/worker-2-tc1/source [INFO] validating manifest of crates.io crate solana_libra_logger 0.0.1-sol5 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 crates.io crate solana_libra_logger 0.0.1-sol5 [INFO] finished tweaking crates.io crate solana_libra_logger 0.0.1-sol5 [INFO] tweaked toml for crates.io crate solana_libra_logger 0.0.1-sol5 written to /workspace/builds/worker-2-tc1/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 98 packages [INFO] [stderr] Adding getrandom v0.1.16 (latest: v0.2.12) [INFO] [stderr] Adding itertools v0.8.2 (latest: v0.12.1) [INFO] [stderr] Adding object v0.32.2 (latest: v0.34.0) [INFO] [stderr] Adding rand v0.7.3 (latest: v0.8.5) [INFO] [stderr] Adding rand_chacha v0.2.2 (latest: v0.3.1) [INFO] [stderr] Adding rand_core v0.5.1 (latest: v0.6.4) [INFO] [stderr] Adding rand_hc v0.2.0 (latest: v0.3.2) [INFO] [stderr] Adding rand_pcg v0.2.1 (latest: v0.3.1) [INFO] [stderr] Adding redox_syscall v0.1.57 (latest: v0.5.1) [INFO] [stderr] Adding thread-id v3.3.0 (latest: v4.2.1) [INFO] [stderr] Adding wasi v0.9.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0) [INFO] [stderr] Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0) [INFO] [stderr] Adding windows-core v0.52.0 (latest: v0.55.0) [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 slog-stdlog v4.1.1 [INFO] [stderr] Downloaded slog-scope v4.4.0 [INFO] [stderr] Downloaded slog-term v2.9.1 [INFO] [stderr] Downloaded slog-async v2.8.0 [INFO] [stderr] Downloaded slog-envlogger v2.2.0 [INFO] [stderr] Downloaded slog v2.7.0 [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] 686e59fb3112c8c2fe8494fb1284a8fa92204c1d55d9be6c483c11fca00c2ccf [INFO] running `Command { std: "docker" "start" "-a" "686e59fb3112c8c2fe8494fb1284a8fa92204c1d55d9be6c483c11fca00c2ccf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "686e59fb3112c8c2fe8494fb1284a8fa92204c1d55d9be6c483c11fca00c2ccf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "686e59fb3112c8c2fe8494fb1284a8fa92204c1d55d9be6c483c11fca00c2ccf", kill_on_drop: false }` [INFO] [stdout] 686e59fb3112c8c2fe8494fb1284a8fa92204c1d55d9be6c483c11fca00c2ccf [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] 518bdec2b89a346d5021a03cedf3c60ae91031bfebef2984f5fabba770e41063 [INFO] running `Command { std: "docker" "start" "-a" "518bdec2b89a346d5021a03cedf3c60ae91031bfebef2984f5fabba770e41063", kill_on_drop: false }` [INFO] [stderr] Compiling slog v2.7.0 [INFO] [stderr] Compiling crossbeam-utils v0.8.19 [INFO] [stderr] Checking dirs-sys-next v0.1.2 [INFO] [stderr] Checking getrandom v0.1.16 [INFO] [stderr] Compiling num-conv v0.1.0 [INFO] [stderr] Compiling syn v2.0.58 [INFO] [stderr] Checking deranged v0.3.11 [INFO] [stderr] Compiling slog-async v2.8.0 [INFO] [stderr] Checking dirs-next v2.0.0 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Compiling time-macros v0.2.17 [INFO] [stderr] Checking arc-swap v1.7.1 [INFO] [stderr] Checking term v0.7.0 [INFO] [stderr] Checking regex-automata v0.4.6 [INFO] [stderr] Compiling backtrace v0.3.71 [INFO] [stderr] Checking is-terminal v0.4.12 [INFO] [stderr] Checking take_mut v0.2.2 [INFO] [stderr] Checking rand_chacha v0.2.2 [INFO] [stderr] Checking slog-scope v4.4.0 [INFO] [stderr] Checking slog-stdlog v4.1.1 [INFO] [stderr] Checking rand_pcg v0.2.1 [INFO] [stderr] Checking crossbeam-channel v0.5.12 [INFO] [stderr] Checking object v0.32.2 [INFO] [stderr] Checking either v1.10.0 [INFO] [stderr] Checking rand v0.7.3 [INFO] [stderr] Checking thread-id v3.3.0 [INFO] [stderr] Checking itertools v0.8.2 [INFO] [stderr] Checking time v0.3.34 [INFO] [stderr] Checking regex v1.10.4 [INFO] [stderr] Checking slog-term v2.9.1 [INFO] [stderr] Checking slog-envlogger v2.2.0 [INFO] [stderr] Compiling serde_derive v1.0.197 [INFO] [stderr] Checking serde v1.0.197 [INFO] [stderr] Checking serde_json v1.0.115 [INFO] [stderr] Checking solana_libra_logger v0.0.1-sol5 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `chrono` is imported redundantly [INFO] [stdout] --> src/glog_format.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 10 | use chrono; [INFO] [stdout] | ^^^^^^ the item `chrono` 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 `thread_id` is imported redundantly [INFO] [stdout] --> src/glog_format.rs:15:5 [INFO] [stdout] | [INFO] [stdout] 15 | use thread_id; [INFO] [stdout] | ^^^^^^^^^ the item `thread_id` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `chrono` is imported redundantly [INFO] [stdout] --> src/glog_format.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 10 | use chrono; [INFO] [stdout] | ^^^^^^ the item `chrono` 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 `thread_id` is imported redundantly [INFO] [stdout] --> src/glog_format.rs:15:5 [INFO] [stdout] | [INFO] [stdout] 15 | use thread_id; [INFO] [stdout] | ^^^^^^^^^ the item `thread_id` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `thread_id` is imported redundantly [INFO] [stdout] --> src/glog_format.rs:166:9 [INFO] [stdout] | [INFO] [stdout] 166 | use thread_id; [INFO] [stdout] | ^^^^^^^^^ the item `thread_id` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `i` and `s` are never read [INFO] [stdout] --> src/security.rs:173:9 [INFO] [stdout] | [INFO] [stdout] 172 | struct SampleData { [INFO] [stdout] | ---------- fields in this struct [INFO] [stdout] 173 | i: u8, [INFO] [stdout] | ^ [INFO] [stdout] 174 | s: Vec, [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: `SampleData` 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: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 27.90s [INFO] running `Command { std: "docker" "inspect" "518bdec2b89a346d5021a03cedf3c60ae91031bfebef2984f5fabba770e41063", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "518bdec2b89a346d5021a03cedf3c60ae91031bfebef2984f5fabba770e41063", kill_on_drop: false }` [INFO] [stdout] 518bdec2b89a346d5021a03cedf3c60ae91031bfebef2984f5fabba770e41063 [INFO] checking solana_libra_logger-0.0.1-sol5 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar [INFO] extracting crate solana_libra_logger 0.0.1-sol5 into /workspace/builds/worker-2-tc2/source [INFO] validating manifest of crates.io crate solana_libra_logger 0.0.1-sol5 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 crates.io crate solana_libra_logger 0.0.1-sol5 [INFO] finished tweaking crates.io crate solana_libra_logger 0.0.1-sol5 [INFO] tweaked toml for crates.io crate solana_libra_logger 0.0.1-sol5 written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [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] da6f1b11b8628ffc72d2ba1fec8d75d120f7fa4e496991110c005ddec3c81ae2 [INFO] running `Command { std: "docker" "start" "-a" "da6f1b11b8628ffc72d2ba1fec8d75d120f7fa4e496991110c005ddec3c81ae2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "da6f1b11b8628ffc72d2ba1fec8d75d120f7fa4e496991110c005ddec3c81ae2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "da6f1b11b8628ffc72d2ba1fec8d75d120f7fa4e496991110c005ddec3c81ae2", kill_on_drop: false }` [INFO] [stdout] da6f1b11b8628ffc72d2ba1fec8d75d120f7fa4e496991110c005ddec3c81ae2 [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] 76713236db8b23f83684fea015b546483baed2f33031e879014dac3fbd0d5bdd [INFO] running `Command { std: "docker" "start" "-a" "76713236db8b23f83684fea015b546483baed2f33031e879014dac3fbd0d5bdd", kill_on_drop: false }` [INFO] [stderr] Compiling slog v2.7.0 [INFO] [stderr] Compiling crossbeam-utils v0.8.19 [INFO] [stderr] Checking dirs-sys-next v0.1.2 [INFO] [stderr] Checking getrandom v0.1.16 [INFO] [stderr] Compiling num-conv v0.1.0 [INFO] [stderr] Compiling syn v2.0.58 [INFO] [stderr] Checking deranged v0.3.11 [INFO] [stderr] Checking arc-swap v1.7.1 [INFO] [stderr] Checking dirs-next v2.0.0 [INFO] [stderr] Compiling time-macros v0.2.17 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Compiling slog-async v2.8.0 [INFO] [stderr] Checking regex-automata v0.4.6 [INFO] [stderr] Compiling backtrace v0.3.71 [INFO] [stderr] Checking slog-scope v4.4.0 [INFO] [stderr] Checking term v0.7.0 [INFO] [stderr] Checking is-terminal v0.4.12 [INFO] [stderr] Checking gimli v0.28.1 [INFO] [stderr] Checking take_mut v0.2.2 [INFO] [stderr] Checking miniz_oxide v0.7.2 [INFO] [stderr] Checking crossbeam-channel v0.5.12 [INFO] [stderr] Checking slog-stdlog v4.1.1 [INFO] [stderr] Checking rand_chacha v0.2.2 [INFO] [stderr] Checking rand_pcg v0.2.1 [INFO] [stderr] Checking object v0.32.2 [INFO] [stderr] Checking either v1.10.0 [INFO] [stderr] Checking rand v0.7.3 [INFO] [stderr] Checking itertools v0.8.2 [INFO] [stderr] Checking thread-id v3.3.0 [INFO] [stderr] Checking time v0.3.34 [INFO] [stderr] Checking regex v1.10.4 [INFO] [stderr] Checking slog-term v2.9.1 [INFO] [stderr] Checking addr2line v0.21.0 [INFO] [stderr] Checking slog-envlogger v2.2.0 [INFO] [stderr] Compiling serde_derive v1.0.197 [INFO] [stderr] Checking serde v1.0.197 [INFO] [stderr] Checking serde_json v1.0.115 [INFO] [stderr] Checking solana_libra_logger v0.0.1-sol5 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `chrono` is imported redundantly [INFO] [stdout] --> src/glog_format.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 10 | use chrono; [INFO] [stdout] | ^^^^^^ the item `chrono` 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 `thread_id` is imported redundantly [INFO] [stdout] --> src/glog_format.rs:15:5 [INFO] [stdout] | [INFO] [stdout] 15 | use thread_id; [INFO] [stdout] | ^^^^^^^^^ the item `thread_id` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `chrono` is imported redundantly [INFO] [stdout] --> src/glog_format.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 10 | use chrono; [INFO] [stdout] | ^^^^^^ the item `chrono` 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 `thread_id` is imported redundantly [INFO] [stdout] --> src/glog_format.rs:15:5 [INFO] [stdout] | [INFO] [stdout] 15 | use thread_id; [INFO] [stdout] | ^^^^^^^^^ the item `thread_id` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `thread_id` is imported redundantly [INFO] [stdout] --> src/glog_format.rs:166:9 [INFO] [stdout] | [INFO] [stdout] 166 | use thread_id; [INFO] [stdout] | ^^^^^^^^^ the item `thread_id` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `i` and `s` are never read [INFO] [stdout] --> src/security.rs:173:9 [INFO] [stdout] | [INFO] [stdout] 172 | struct SampleData { [INFO] [stdout] | ---------- fields in this struct [INFO] [stdout] 173 | i: u8, [INFO] [stdout] | ^ [INFO] [stdout] 174 | s: Vec, [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: `SampleData` 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: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 31.51s [INFO] running `Command { std: "docker" "inspect" "76713236db8b23f83684fea015b546483baed2f33031e879014dac3fbd0d5bdd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "76713236db8b23f83684fea015b546483baed2f33031e879014dac3fbd0d5bdd", kill_on_drop: false }` [INFO] [stdout] 76713236db8b23f83684fea015b546483baed2f33031e879014dac3fbd0d5bdd