[INFO] fetching crate kvtree 0.1.0...
[INFO] checking kvtree-0.1.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate kvtree 0.1.0 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate kvtree 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 kvtree 0.1.0
[INFO] finished tweaking crates.io crate kvtree 0.1.0
[INFO] tweaked toml for crates.io crate kvtree 0.1.0 written to /workspace/builds/worker-3-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]      Locking 25 packages
[INFO] [stderr]       Adding itertools v0.11.0 (latest: v0.12.1)
[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]  Downloading crates ...
[INFO] [stderr]   Downloaded tuplify v1.1.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 1d7252ac6c160b8c12bc5c5e27259b08c11fd661509e04099606d1f4c249a3c6
[INFO] running `Command { std: "docker" "start" "-a" "1d7252ac6c160b8c12bc5c5e27259b08c11fd661509e04099606d1f4c249a3c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1d7252ac6c160b8c12bc5c5e27259b08c11fd661509e04099606d1f4c249a3c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d7252ac6c160b8c12bc5c5e27259b08c11fd661509e04099606d1f4c249a3c6", kill_on_drop: false }`
[INFO] [stdout] 1d7252ac6c160b8c12bc5c5e27259b08c11fd661509e04099606d1f4c249a3c6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 9263f0ca1dd58dae34e01fe6ebd238911d226e70f6ab5a9b8f0aaf4d8d30d31c
[INFO] running `Command { std: "docker" "start" "-a" "9263f0ca1dd58dae34e01fe6ebd238911d226e70f6ab5a9b8f0aaf4d8d30d31c", kill_on_drop: false }`
[INFO] [stderr]    Compiling ahash v0.8.11
[INFO] [stderr]     Checking zerocopy v0.7.32
[INFO] [stderr]     Checking itertools v0.11.0
[INFO] [stderr]     Checking tuplify v1.1.4
[INFO] [stderr]     Checking getrandom v0.2.12
[INFO] [stderr]     Checking indexmap v2.2.6
[INFO] [stderr]     Checking kvtree v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated method `indexmap::IndexMap::<K, V, S>::remove`: `remove` disrupts the map order -- use `swap_remove` or `shift_remove` for explicit behavior.
[INFO] [stdout]    --> src/table/index.rs:164:27
[INFO] [stdout]     |
[INFO] [stdout] 164 |             if self.roots.remove(&(index + 1)).is_some() {
[INFO] [stdout]     |                           ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `indexmap::IndexMap::<K, V, S>::remove`: `remove` disrupts the map order -- use `swap_remove` or `shift_remove` for explicit behavior.
[INFO] [stdout]    --> src/table/index.rs:167:28
[INFO] [stdout]     |
[INFO] [stdout] 167 |                 self.roots.remove(&index);
[INFO] [stdout]     |                            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `indexmap::IndexMap::<K, V, S>::remove`: `remove` disrupts the map order -- use `swap_remove` or `shift_remove` for explicit behavior.
[INFO] [stdout]    --> src/table/index.rs:164:27
[INFO] [stdout]     |
[INFO] [stdout] 164 |             if self.roots.remove(&(index + 1)).is_some() {
[INFO] [stdout]     |                           ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `indexmap::IndexMap::<K, V, S>::remove`: `remove` disrupts the map order -- use `swap_remove` or `shift_remove` for explicit behavior.
[INFO] [stdout]    --> src/table/index.rs:167:28
[INFO] [stdout]     |
[INFO] [stdout] 167 |                 self.roots.remove(&index);
[INFO] [stdout]     |                            ^^^^^^
[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 43.36s
[INFO] running `Command { std: "docker" "inspect" "9263f0ca1dd58dae34e01fe6ebd238911d226e70f6ab5a9b8f0aaf4d8d30d31c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9263f0ca1dd58dae34e01fe6ebd238911d226e70f6ab5a9b8f0aaf4d8d30d31c", kill_on_drop: false }`
[INFO] [stdout] 9263f0ca1dd58dae34e01fe6ebd238911d226e70f6ab5a9b8f0aaf4d8d30d31c
[INFO] checking kvtree-0.1.0 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] extracting crate kvtree 0.1.0 into /workspace/builds/worker-3-tc2/source
[INFO] validating manifest of crates.io crate kvtree 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 kvtree 0.1.0
[INFO] finished tweaking crates.io crate kvtree 0.1.0
[INFO] tweaked toml for crates.io crate kvtree 0.1.0 written to /workspace/builds/worker-3-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]     Blocking waiting for file lock on package cache
[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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 6993eeac31a3bf66d61756ef454867c2dc200f735900b047060e6500851eff7d
[INFO] running `Command { std: "docker" "start" "-a" "6993eeac31a3bf66d61756ef454867c2dc200f735900b047060e6500851eff7d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6993eeac31a3bf66d61756ef454867c2dc200f735900b047060e6500851eff7d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6993eeac31a3bf66d61756ef454867c2dc200f735900b047060e6500851eff7d", kill_on_drop: false }`
[INFO] [stdout] 6993eeac31a3bf66d61756ef454867c2dc200f735900b047060e6500851eff7d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] e32dfb5f34a63723581c95ae52e8d8062e423d53468367843a2dd4387437dc46
[INFO] running `Command { std: "docker" "start" "-a" "e32dfb5f34a63723581c95ae52e8d8062e423d53468367843a2dd4387437dc46", kill_on_drop: false }`
[INFO] [stderr]     Checking zerocopy v0.7.32
[INFO] [stderr]    Compiling ahash v0.8.11
[INFO] [stderr]     Checking itertools v0.11.0
[INFO] [stderr]     Checking tuplify v1.1.4
[INFO] [stderr]     Checking getrandom v0.2.12
[INFO] [stderr]     Checking indexmap v2.2.6
[INFO] [stderr]     Checking kvtree v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated method `indexmap::IndexMap::<K, V, S>::remove`: `remove` disrupts the map order -- use `swap_remove` or `shift_remove` for explicit behavior.
[INFO] [stdout]    --> src/table/index.rs:164:27
[INFO] [stdout]     |
[INFO] [stdout] 164 |             if self.roots.remove(&(index + 1)).is_some() {
[INFO] [stdout]     |                           ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `indexmap::IndexMap::<K, V, S>::remove`: `remove` disrupts the map order -- use `swap_remove` or `shift_remove` for explicit behavior.
[INFO] [stdout]    --> src/table/index.rs:167:28
[INFO] [stdout]     |
[INFO] [stdout] 167 |                 self.roots.remove(&index);
[INFO] [stdout]     |                            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `indexmap::IndexMap::<K, V, S>::remove`: `remove` disrupts the map order -- use `swap_remove` or `shift_remove` for explicit behavior.
[INFO] [stdout]    --> src/table/index.rs:164:27
[INFO] [stdout]     |
[INFO] [stdout] 164 |             if self.roots.remove(&(index + 1)).is_some() {
[INFO] [stdout]     |                           ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `indexmap::IndexMap::<K, V, S>::remove`: `remove` disrupts the map order -- use `swap_remove` or `shift_remove` for explicit behavior.
[INFO] [stdout]    --> src/table/index.rs:167:28
[INFO] [stdout]     |
[INFO] [stdout] 167 |                 self.roots.remove(&index);
[INFO] [stdout]     |                            ^^^^^^
[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 43.92s
[INFO] running `Command { std: "docker" "inspect" "e32dfb5f34a63723581c95ae52e8d8062e423d53468367843a2dd4387437dc46", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e32dfb5f34a63723581c95ae52e8d8062e423d53468367843a2dd4387437dc46", kill_on_drop: false }`
[INFO] [stdout] e32dfb5f34a63723581c95ae52e8d8062e423d53468367843a2dd4387437dc46