[INFO] fetching crate golrs 0.2.0... [INFO] checking golrs-0.2.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] extracting crate golrs 0.2.0 into /workspace/builds/worker-2-tc1/source [INFO] validating manifest of crates.io crate golrs 0.2.0 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 golrs 0.2.0 [INFO] finished tweaking crates.io crate golrs 0.2.0 [INFO] tweaked toml for crates.io crate golrs 0.2.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml [INFO] crate crates.io crate golrs 0.2.0 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] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded metrohash v1.0.6 [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] db35762cb85e06f1506c04f32146d504aa1b8a659bb97f7b81f35fccc01bc4bd [INFO] running `Command { std: "docker" "start" "-a" "db35762cb85e06f1506c04f32146d504aa1b8a659bb97f7b81f35fccc01bc4bd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "db35762cb85e06f1506c04f32146d504aa1b8a659bb97f7b81f35fccc01bc4bd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "db35762cb85e06f1506c04f32146d504aa1b8a659bb97f7b81f35fccc01bc4bd", kill_on_drop: false }` [INFO] [stdout] db35762cb85e06f1506c04f32146d504aa1b8a659bb97f7b81f35fccc01bc4bd [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] 0e94cba7f082467db891a8901cacb11cb60ebc916613e925265070069d4e6918 [INFO] running `Command { std: "docker" "start" "-a" "0e94cba7f082467db891a8901cacb11cb60ebc916613e925265070069d4e6918", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.132 [INFO] [stderr] Checking numtoa v0.1.0 [INFO] [stderr] Checking metrohash v1.0.6 [INFO] [stderr] Checking termion v1.5.6 [INFO] [stderr] Checking golrs v0.2.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `receiver` [INFO] [stdout] --> src/view.rs:112:17 [INFO] [stdout] | [INFO] [stdout] 112 | fn view_loop(receiver: mpsc::Receiver>, handle: SimHandle) [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_receiver` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `receiver` [INFO] [stdout] --> src/view.rs:112:17 [INFO] [stdout] | [INFO] [stdout] 112 | fn view_loop(receiver: mpsc::Receiver>, handle: SimHandle) [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_receiver` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `sender` is never read [INFO] [stdout] --> src/view.rs:21:2 [INFO] [stdout] | [INFO] [stdout] 16 | pub struct View [INFO] [stdout] | ---- field in this struct [INFO] [stdout] ... [INFO] [stdout] 21 | sender: mpsc::Sender>, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `ViewRemote` is never constructed [INFO] [stdout] --> src/view.rs:41:12 [INFO] [stdout] | [INFO] [stdout] 41 | pub struct ViewRemote [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variants `Refresh` and `UpdateWorld` are never constructed [INFO] [stdout] --> src/view.rs:52:2 [INFO] [stdout] | [INFO] [stdout] 48 | pub enum ViewCmd [INFO] [stdout] | ------- variants in this enum [INFO] [stdout] ... [INFO] [stdout] 52 | Refresh, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] 53 | UpdateWorld(W), [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new`, `refresh`, and `set_world` are never used [INFO] [stdout] --> src/view.rs:60:5 [INFO] [stdout] | [INFO] [stdout] 56 | / impl ViewRemote [INFO] [stdout] 57 | | where [INFO] [stdout] 58 | | W: World, [INFO] [stdout] | |_____________- associated items in this implementation [INFO] [stdout] 59 | { [INFO] [stdout] 60 | fn new(sender: mpsc::Sender>) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 63 | pub fn refresh(&self) { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 67 | pub fn set_world(&self, world: W) { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `sender` is never read [INFO] [stdout] --> src/view.rs:21:2 [INFO] [stdout] | [INFO] [stdout] 16 | pub struct View [INFO] [stdout] | ---- field in this struct [INFO] [stdout] ... [INFO] [stdout] 21 | sender: mpsc::Sender>, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `ViewRemote` is never constructed [INFO] [stdout] --> src/view.rs:41:12 [INFO] [stdout] | [INFO] [stdout] 41 | pub struct ViewRemote [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variants `Refresh` and `UpdateWorld` are never constructed [INFO] [stdout] --> src/view.rs:52:2 [INFO] [stdout] | [INFO] [stdout] 48 | pub enum ViewCmd [INFO] [stdout] | ------- variants in this enum [INFO] [stdout] ... [INFO] [stdout] 52 | Refresh, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] 53 | UpdateWorld(W), [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new`, `refresh`, and `set_world` are never used [INFO] [stdout] --> src/view.rs:60:5 [INFO] [stdout] | [INFO] [stdout] 56 | / impl ViewRemote [INFO] [stdout] 57 | | where [INFO] [stdout] 58 | | W: World, [INFO] [stdout] | |_____________- associated items in this implementation [INFO] [stdout] 59 | { [INFO] [stdout] 60 | fn new(sender: mpsc::Sender>) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 63 | pub fn refresh(&self) { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 67 | pub fn set_world(&self, world: W) { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.75s [INFO] running `Command { std: "docker" "inspect" "0e94cba7f082467db891a8901cacb11cb60ebc916613e925265070069d4e6918", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0e94cba7f082467db891a8901cacb11cb60ebc916613e925265070069d4e6918", kill_on_drop: false }` [INFO] [stdout] 0e94cba7f082467db891a8901cacb11cb60ebc916613e925265070069d4e6918 [INFO] checking golrs-0.2.0 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar [INFO] extracting crate golrs 0.2.0 into /workspace/builds/worker-2-tc2/source [INFO] validating manifest of crates.io crate golrs 0.2.0 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 golrs 0.2.0 [INFO] finished tweaking crates.io crate golrs 0.2.0 [INFO] tweaked toml for crates.io crate golrs 0.2.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] crate crates.io crate golrs 0.2.0 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] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [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] 8a8ef3819713ad5d817735b1079fed14227cb65f265fda56201925db25a6727d [INFO] running `Command { std: "docker" "start" "-a" "8a8ef3819713ad5d817735b1079fed14227cb65f265fda56201925db25a6727d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "8a8ef3819713ad5d817735b1079fed14227cb65f265fda56201925db25a6727d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8a8ef3819713ad5d817735b1079fed14227cb65f265fda56201925db25a6727d", kill_on_drop: false }` [INFO] [stdout] 8a8ef3819713ad5d817735b1079fed14227cb65f265fda56201925db25a6727d [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] 0724bb9ad39d12c1a99bb69df4eb6746658f592a3f37abd3543f75ca0321b44f [INFO] running `Command { std: "docker" "start" "-a" "0724bb9ad39d12c1a99bb69df4eb6746658f592a3f37abd3543f75ca0321b44f", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.132 [INFO] [stderr] Checking numtoa v0.1.0 [INFO] [stderr] Checking metrohash v1.0.6 [INFO] [stderr] Checking termion v1.5.6 [INFO] [stderr] Checking golrs v0.2.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `receiver` [INFO] [stdout] --> src/view.rs:112:17 [INFO] [stdout] | [INFO] [stdout] 112 | fn view_loop(receiver: mpsc::Receiver>, handle: SimHandle) [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_receiver` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `sender` is never read [INFO] [stdout] --> src/view.rs:21:2 [INFO] [stdout] | [INFO] [stdout] 16 | pub struct View [INFO] [stdout] | ---- field in this struct [INFO] [stdout] ... [INFO] [stdout] 21 | sender: mpsc::Sender>, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `ViewRemote` is never constructed [INFO] [stdout] --> src/view.rs:41:12 [INFO] [stdout] | [INFO] [stdout] 41 | pub struct ViewRemote [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variants `Refresh` and `UpdateWorld` are never constructed [INFO] [stdout] --> src/view.rs:52:2 [INFO] [stdout] | [INFO] [stdout] 48 | pub enum ViewCmd [INFO] [stdout] | ------- variants in this enum [INFO] [stdout] ... [INFO] [stdout] 52 | Refresh, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] 53 | UpdateWorld(W), [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new`, `refresh`, and `set_world` are never used [INFO] [stdout] --> src/view.rs:60:5 [INFO] [stdout] | [INFO] [stdout] 56 | / impl ViewRemote [INFO] [stdout] 57 | | where [INFO] [stdout] 58 | | W: World, [INFO] [stdout] | |_____________- associated items in this implementation [INFO] [stdout] 59 | { [INFO] [stdout] 60 | fn new(sender: mpsc::Sender>) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 63 | pub fn refresh(&self) { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 67 | pub fn set_world(&self, world: W) { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `receiver` [INFO] [stdout] --> src/view.rs:112:17 [INFO] [stdout] | [INFO] [stdout] 112 | fn view_loop(receiver: mpsc::Receiver>, handle: SimHandle) [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_receiver` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `sender` is never read [INFO] [stdout] --> src/view.rs:21:2 [INFO] [stdout] | [INFO] [stdout] 16 | pub struct View [INFO] [stdout] | ---- field in this struct [INFO] [stdout] ... [INFO] [stdout] 21 | sender: mpsc::Sender>, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `ViewRemote` is never constructed [INFO] [stdout] --> src/view.rs:41:12 [INFO] [stdout] | [INFO] [stdout] 41 | pub struct ViewRemote [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variants `Refresh` and `UpdateWorld` are never constructed [INFO] [stdout] --> src/view.rs:52:2 [INFO] [stdout] | [INFO] [stdout] 48 | pub enum ViewCmd [INFO] [stdout] | ------- variants in this enum [INFO] [stdout] ... [INFO] [stdout] 52 | Refresh, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] 53 | UpdateWorld(W), [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new`, `refresh`, and `set_world` are never used [INFO] [stdout] --> src/view.rs:60:5 [INFO] [stdout] | [INFO] [stdout] 56 | / impl ViewRemote [INFO] [stdout] 57 | | where [INFO] [stdout] 58 | | W: World, [INFO] [stdout] | |_____________- associated items in this implementation [INFO] [stdout] 59 | { [INFO] [stdout] 60 | fn new(sender: mpsc::Sender>) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 63 | pub fn refresh(&self) { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 67 | pub fn set_world(&self, world: W) { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.72s [INFO] running `Command { std: "docker" "inspect" "0724bb9ad39d12c1a99bb69df4eb6746658f592a3f37abd3543f75ca0321b44f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0724bb9ad39d12c1a99bb69df4eb6746658f592a3f37abd3543f75ca0321b44f", kill_on_drop: false }` [INFO] [stdout] 0724bb9ad39d12c1a99bb69df4eb6746658f592a3f37abd3543f75ca0321b44f