[INFO] fetching crate moore-svlog-hir 0.1.0...
[INFO] checking moore-svlog-hir-0.1.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate moore-svlog-hir 0.1.0 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate moore-svlog-hir 0.1.0 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 moore-svlog-hir 0.1.0
[INFO] finished tweaking crates.io crate moore-svlog-hir 0.1.0
[INFO] tweaked toml for crates.io crate moore-svlog-hir 0.1.0 written to /workspace/builds/worker-0-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 27 packages
[INFO] [stderr]       Adding bincode v0.6.1 (latest: v1.3.3)
[INFO] [stderr]       Adding bitflags v1.3.2 (latest: v2.5.0)
[INFO] [stderr]       Adding memmap v0.5.2 (latest: v0.7.0)
[INFO] [stderr]       Adding moore-common v0.1.0 (latest: v0.14.0)
[INFO] [stderr]       Adding moore-svlog-syntax v0.1.0 (latest: v0.14.0)
[INFO] [stderr]       Adding num-traits v0.1.43 (latest: v0.2.18)
[INFO] [stderr]       Adding serde v0.8.23 (latest: v1.0.197)
[INFO] [stderr]       Adding winapi v0.2.8 (latest: v0.3.9)
[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 memmap v0.5.2
[INFO] [stderr]   Downloaded moore-svlog-syntax v0.1.0
[INFO] [stderr]   Downloaded bincode v0.6.1
[INFO] [stderr]   Downloaded moore-common v0.1.0
[INFO] [stderr]   Downloaded slog v2.7.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 6154b7a10f45870cd28a289e5b72951e847c815f2df5d939208b34c4fdfdf554
[INFO] running `Command { std: "docker" "start" "-a" "6154b7a10f45870cd28a289e5b72951e847c815f2df5d939208b34c4fdfdf554", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6154b7a10f45870cd28a289e5b72951e847c815f2df5d939208b34c4fdfdf554", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6154b7a10f45870cd28a289e5b72951e847c815f2df5d939208b34c4fdfdf554", kill_on_drop: false }`
[INFO] [stdout] 6154b7a10f45870cd28a289e5b72951e847c815f2df5d939208b34c4fdfdf554
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 2c31d1a2558e24f0dc9b649cce0ca7efa87487802b4c88f90a37b010d3758942
[INFO] running `Command { std: "docker" "start" "-a" "2c31d1a2558e24f0dc9b649cce0ca7efa87487802b4c88f90a37b010d3758942", kill_on_drop: false }`
[INFO] [stderr]    Compiling slog v2.7.0
[INFO] [stderr]     Checking serde v0.8.23
[INFO] [stderr]     Checking memmap v0.5.2
[INFO] [stderr]     Checking moore-common v0.1.0
[INFO] [stderr]     Checking bincode v0.6.1
[INFO] [stderr]     Checking moore-svlog-syntax v0.1.0
[INFO] [stderr]     Checking moore-svlog-hir v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `std` is imported redundantly
[INFO] [stdout]  --> lower/mod.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std;
[INFO] [stdout]   |     ^^^ the item `std` is already imported by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `std` is imported redundantly
[INFO] [stdout]  --> lower/mod.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std;
[INFO] [stdout]   |     ^^^ the item `std` is already imported by prelude
[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 6.20s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: moore-common v0.1.0, moore-svlog-syntax v0.1.0
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 8`
[INFO] running `Command { std: "docker" "inspect" "2c31d1a2558e24f0dc9b649cce0ca7efa87487802b4c88f90a37b010d3758942", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c31d1a2558e24f0dc9b649cce0ca7efa87487802b4c88f90a37b010d3758942", kill_on_drop: false }`
[INFO] [stdout] 2c31d1a2558e24f0dc9b649cce0ca7efa87487802b4c88f90a37b010d3758942
[INFO] checking moore-svlog-hir-0.1.0 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] extracting crate moore-svlog-hir 0.1.0 into /workspace/builds/worker-0-tc2/source
[INFO] validating manifest of crates.io crate moore-svlog-hir 0.1.0 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 moore-svlog-hir 0.1.0
[INFO] finished tweaking crates.io crate moore-svlog-hir 0.1.0
[INFO] tweaked toml for crates.io crate moore-svlog-hir 0.1.0 written to /workspace/builds/worker-0-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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 48edbc653df39ac3b8a5af4800918aca88540f0763277eca778150e6ca8fc844
[INFO] running `Command { std: "docker" "start" "-a" "48edbc653df39ac3b8a5af4800918aca88540f0763277eca778150e6ca8fc844", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "48edbc653df39ac3b8a5af4800918aca88540f0763277eca778150e6ca8fc844", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "48edbc653df39ac3b8a5af4800918aca88540f0763277eca778150e6ca8fc844", kill_on_drop: false }`
[INFO] [stdout] 48edbc653df39ac3b8a5af4800918aca88540f0763277eca778150e6ca8fc844
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] dc59389218d4e93a707e5bda5190fd02657f9e285f7e536ffbcb698969064e13
[INFO] running `Command { std: "docker" "start" "-a" "dc59389218d4e93a707e5bda5190fd02657f9e285f7e536ffbcb698969064e13", kill_on_drop: false }`
[INFO] [stderr]    Compiling slog v2.7.0
[INFO] [stderr]     Checking serde v0.8.23
[INFO] [stderr]     Checking memmap v0.5.2
[INFO] [stderr]     Checking moore-common v0.1.0
[INFO] [stderr]     Checking bincode v0.6.1
[INFO] [stderr]     Checking moore-svlog-syntax v0.1.0
[INFO] [stderr]     Checking moore-svlog-hir v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `std` is imported redundantly
[INFO] [stdout]  --> lower/mod.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std;
[INFO] [stdout]   |     ^^^ the item `std` is already imported by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `std` is imported redundantly
[INFO] [stdout]  --> lower/mod.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std;
[INFO] [stdout]   |     ^^^ the item `std` is already imported by prelude
[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 6.81s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: moore-common v0.1.0, moore-svlog-syntax v0.1.0
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 6`
[INFO] running `Command { std: "docker" "inspect" "dc59389218d4e93a707e5bda5190fd02657f9e285f7e536ffbcb698969064e13", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc59389218d4e93a707e5bda5190fd02657f9e285f7e536ffbcb698969064e13", kill_on_drop: false }`
[INFO] [stdout] dc59389218d4e93a707e5bda5190fd02657f9e285f7e536ffbcb698969064e13