[INFO] fetching crate gridiron 0.10.0... [INFO] checking gridiron-0.10.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] extracting crate gridiron 0.10.0 into /workspace/builds/worker-2-tc1/source [INFO] validating manifest of crates.io crate gridiron 0.10.0 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 gridiron 0.10.0 [INFO] finished tweaking crates.io crate gridiron 0.10.0 [INFO] tweaked toml for crates.io crate gridiron 0.10.0 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] Blocking waiting for file lock on package cache [INFO] [stderr] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Locking 93 packages [INFO] [stderr] Adding bitflags v1.3.2 (latest: v2.5.0) [INFO] [stderr] Adding clap v2.34.0 (latest: v4.5.4) [INFO] [stderr] Adding criterion v0.3.6 (latest: v0.5.1) [INFO] [stderr] Adding criterion-plot v0.4.5 (latest: v0.5.0) [INFO] [stderr] Adding half v1.8.3 (latest: v2.4.0) [INFO] [stderr] Adding hermit-abi v0.1.19 (latest: v0.3.9) [INFO] [stderr] Adding itertools v0.10.5 (latest: v0.12.1) [INFO] [stderr] Adding linux-raw-sys v0.4.13 (latest: v0.6.4) [INFO] [stderr] Adding proptest v1.0.0 (latest: v1.4.0) [INFO] [stderr] Adding quick-error v1.2.3 (latest: v2.0.1) [INFO] [stderr] Adding regex-syntax v0.6.29 (latest: v0.8.3) [INFO] [stderr] Adding textwrap v0.11.0 (latest: v0.16.1) [INFO] [stderr] Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0) [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] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded quick-error v2.0.1 [INFO] [stderr] Downloaded half v1.8.3 [INFO] [stderr] Downloaded proptest v1.0.0 [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] 4fe1d90fc4c03eaf2c171a9dc909933c3e06b1b6e70564dcaa9f5228845082b0 [INFO] running `Command { std: "docker" "start" "-a" "4fe1d90fc4c03eaf2c171a9dc909933c3e06b1b6e70564dcaa9f5228845082b0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "4fe1d90fc4c03eaf2c171a9dc909933c3e06b1b6e70564dcaa9f5228845082b0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4fe1d90fc4c03eaf2c171a9dc909933c3e06b1b6e70564dcaa9f5228845082b0", kill_on_drop: false }` [INFO] [stdout] 4fe1d90fc4c03eaf2c171a9dc909933c3e06b1b6e70564dcaa9f5228845082b0 [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] e3c0f62f57593d88c5e2f16f6c28cf91e6a5e4075f2ce88d9aae5036ba70034d [INFO] running `Command { std: "docker" "start" "-a" "e3c0f62f57593d88c5e2f16f6c28cf91e6a5e4075f2ce88d9aae5036ba70034d", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.79 [INFO] [stderr] Compiling serde v1.0.197 [INFO] [stderr] Checking getrandom v0.2.12 [INFO] [stderr] Checking linux-raw-sys v0.4.13 [INFO] [stderr] Checking wait-timeout v0.2.0 [INFO] [stderr] Checking bit-vec v0.6.3 [INFO] [stderr] Checking quick-error v1.2.3 [INFO] [stderr] Checking half v1.8.3 [INFO] [stderr] Checking criterion-plot v0.4.5 [INFO] [stderr] Checking clap v2.34.0 [INFO] [stderr] Checking rand_core v0.6.4 [INFO] [stderr] Checking bit-set v0.5.3 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking quick-error v2.0.1 [INFO] [stderr] Checking byteorder v1.5.0 [INFO] [stderr] Checking regex-syntax v0.6.29 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand_xorshift v0.3.0 [INFO] [stderr] Checking gridiron v0.10.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `From` is imported redundantly [INFO] [stdout] --> src/digits/constant_bool.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::convert::From; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:148:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `From` is already defined here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Checking rustix v0.38.32 [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling quote v1.0.35 [INFO] [stderr] Compiling syn v2.0.58 [INFO] [stderr] Checking tempfile v3.10.1 [INFO] [stderr] Checking serde_json v1.0.115 [INFO] [stderr] Checking serde_cbor v0.11.2 [INFO] [stderr] Checking csv v1.3.0 [INFO] [stderr] Checking rusty-fork v0.3.0 [INFO] [stderr] Checking proptest v1.0.0 [INFO] [stderr] Compiling serde_derive v1.0.197 [INFO] [stderr] Checking tinytemplate v1.2.1 [INFO] [stderr] Checking criterion v0.3.6 [INFO] [stdout] warning: the item `From` is imported redundantly [INFO] [stdout] --> src/digits/constant_bool.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::convert::From; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:148:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `From` is already defined here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `std::convert::From::from` that must be used [INFO] [stdout] --> benches/benchmark.rs:204:25 [INFO] [stdout] | [INFO] [stdout] 204 | fp_256::Fp256::from(byte_array); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 204 | let _ = fp_256::Fp256::from(byte_array); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `std::convert::From::from` that must be used [INFO] [stdout] --> benches/benchmark.rs:334:25 [INFO] [stdout] | [INFO] [stdout] 334 | fp_480::Fp480::from(byte_array); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 334 | let _ = fp_480::Fp480::from(byte_array); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings 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 16.97s [INFO] running `Command { std: "docker" "inspect" "e3c0f62f57593d88c5e2f16f6c28cf91e6a5e4075f2ce88d9aae5036ba70034d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e3c0f62f57593d88c5e2f16f6c28cf91e6a5e4075f2ce88d9aae5036ba70034d", kill_on_drop: false }` [INFO] [stdout] e3c0f62f57593d88c5e2f16f6c28cf91e6a5e4075f2ce88d9aae5036ba70034d [INFO] checking gridiron-0.10.0 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar [INFO] extracting crate gridiron 0.10.0 into /workspace/builds/worker-2-tc2/source [INFO] validating manifest of crates.io crate gridiron 0.10.0 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 gridiron 0.10.0 [INFO] finished tweaking crates.io crate gridiron 0.10.0 [INFO] tweaked toml for crates.io crate gridiron 0.10.0 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] 3678c6b225ad927eabb456027eee9fd97d8b10d957a72c65415dd660be11f749 [INFO] running `Command { std: "docker" "start" "-a" "3678c6b225ad927eabb456027eee9fd97d8b10d957a72c65415dd660be11f749", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "3678c6b225ad927eabb456027eee9fd97d8b10d957a72c65415dd660be11f749", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3678c6b225ad927eabb456027eee9fd97d8b10d957a72c65415dd660be11f749", kill_on_drop: false }` [INFO] [stdout] 3678c6b225ad927eabb456027eee9fd97d8b10d957a72c65415dd660be11f749 [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] 63238678ccee181612232d060a81a81be632585b29757bb9115486913f3e0c9c [INFO] running `Command { std: "docker" "start" "-a" "63238678ccee181612232d060a81a81be632585b29757bb9115486913f3e0c9c", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.79 [INFO] [stderr] Compiling serde v1.0.197 [INFO] [stderr] Checking getrandom v0.2.12 [INFO] [stderr] Checking linux-raw-sys v0.4.13 [INFO] [stderr] Checking wait-timeout v0.2.0 [INFO] [stderr] Checking bit-vec v0.6.3 [INFO] [stderr] Checking quick-error v1.2.3 [INFO] [stderr] Checking half v1.8.3 [INFO] [stderr] Checking criterion-plot v0.4.5 [INFO] [stderr] Checking clap v2.34.0 [INFO] [stderr] Checking rand_core v0.6.4 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking quick-error v2.0.1 [INFO] [stderr] Checking regex-syntax v0.6.29 [INFO] [stderr] Checking bit-set v0.5.3 [INFO] [stderr] Checking byteorder v1.5.0 [INFO] [stderr] Checking gridiron v0.10.0 (/opt/rustwide/workdir) [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stdout] warning: the item `From` is imported redundantly [INFO] [stdout] --> src/digits/constant_bool.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::convert::From; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/645bb72776a6a56a1a8f52631a44bd082b2ba509/library/std/src/prelude/mod.rs:148:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `From` is already defined here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking rand_xorshift v0.3.0 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Checking rustix v0.38.32 [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling quote v1.0.35 [INFO] [stderr] Compiling syn v2.0.58 [INFO] [stderr] Checking tempfile v3.10.1 [INFO] [stderr] Checking rusty-fork v0.3.0 [INFO] [stderr] Checking proptest v1.0.0 [INFO] [stderr] Compiling serde_derive v1.0.197 [INFO] [stderr] Checking serde_json v1.0.115 [INFO] [stderr] Checking csv v1.3.0 [INFO] [stderr] Checking serde_cbor v0.11.2 [INFO] [stderr] Checking tinytemplate v1.2.1 [INFO] [stderr] Checking criterion v0.3.6 [INFO] [stdout] warning: the item `From` is imported redundantly [INFO] [stdout] --> src/digits/constant_bool.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::convert::From; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/645bb72776a6a56a1a8f52631a44bd082b2ba509/library/std/src/prelude/mod.rs:148:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `From` is already defined here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `std::convert::From::from` that must be used [INFO] [stdout] --> benches/benchmark.rs:204:25 [INFO] [stdout] | [INFO] [stdout] 204 | fp_256::Fp256::from(byte_array); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 204 | let _ = fp_256::Fp256::from(byte_array); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `std::convert::From::from` that must be used [INFO] [stdout] --> benches/benchmark.rs:334:25 [INFO] [stdout] | [INFO] [stdout] 334 | fp_480::Fp480::from(byte_array); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 334 | let _ = fp_480::Fp480::from(byte_array); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings 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 11.04s [INFO] running `Command { std: "docker" "inspect" "63238678ccee181612232d060a81a81be632585b29757bb9115486913f3e0c9c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "63238678ccee181612232d060a81a81be632585b29757bb9115486913f3e0c9c", kill_on_drop: false }` [INFO] [stdout] 63238678ccee181612232d060a81a81be632585b29757bb9115486913f3e0c9c