[INFO] fetching crate think_cap 0.0.1... [INFO] checking think_cap-0.0.1 against try#218e3b1b9f68e7a8b7fb8fcbff627c64536eebaa for pr-92594 [INFO] extracting crate think_cap 0.0.1 into /workspace/builds/worker-33/source [INFO] validating manifest of crates.io crate think_cap 0.0.1 on toolchain 218e3b1b9f68e7a8b7fb8fcbff627c64536eebaa [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+218e3b1b9f68e7a8b7fb8fcbff627c64536eebaa" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate think_cap 0.0.1 [INFO] finished tweaking crates.io crate think_cap 0.0.1 [INFO] tweaked toml for crates.io crate think_cap 0.0.1 written to /workspace/builds/worker-33/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+218e3b1b9f68e7a8b7fb8fcbff627c64536eebaa" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+218e3b1b9f68e7a8b7fb8fcbff627c64536eebaa" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-33/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-33/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+218e3b1b9f68e7a8b7fb8fcbff627c64536eebaa" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 10053715d37c1954c99d59024a69d3d5a4fe490aef94b233c238655ded0f3e2a [INFO] running `Command { std: "docker" "start" "-a" "10053715d37c1954c99d59024a69d3d5a4fe490aef94b233c238655ded0f3e2a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "10053715d37c1954c99d59024a69d3d5a4fe490aef94b233c238655ded0f3e2a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "10053715d37c1954c99d59024a69d3d5a4fe490aef94b233c238655ded0f3e2a", kill_on_drop: false }` [INFO] [stdout] 10053715d37c1954c99d59024a69d3d5a4fe490aef94b233c238655ded0f3e2a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-33/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-33/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" "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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+218e3b1b9f68e7a8b7fb8fcbff627c64536eebaa" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] b0bc203e6215c70e43f1069a88dcc10e25d7dc49c66bc2b3275f88b254049527 [INFO] running `Command { std: "docker" "start" "-a" "b0bc203e6215c70e43f1069a88dcc10e25d7dc49c66bc2b3275f88b254049527", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.112 [INFO] [stderr] Checking rustc-serialize v0.3.24 [INFO] [stderr] Checking rand v0.4.6 [INFO] [stderr] Checking time v0.1.44 [INFO] [stderr] Checking rand v0.3.23 [INFO] [stderr] Checking think_cap v0.0.1 (/opt/rustwide/workdir) [INFO] [stdout] error: use of unstable library feature 'rustc_encodable_decodable': unstable implementation detail of the `rustc` compiler, do not use [INFO] [stdout] --> src/lib.rs:187:24 [INFO] [stdout] | [INFO] [stdout] 187 | #[derive(Debug, Clone, RustcDecodable, RustcEncodable)] [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[deny(soft_unstable)]` on by default [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stdout] = note: for more information, see issue #64266 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `RustcDecodable`: rustc-serialize is deprecated and no longer supported [INFO] [stdout] --> src/lib.rs:187:24 [INFO] [stdout] | [INFO] [stdout] 187 | #[derive(Debug, Clone, RustcDecodable, RustcEncodable)] [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: use of unstable library feature 'rustc_encodable_decodable': unstable implementation detail of the `rustc` compiler, do not use [INFO] [stdout] --> src/lib.rs:187:40 [INFO] [stdout] | [INFO] [stdout] 187 | #[derive(Debug, Clone, RustcDecodable, RustcEncodable)] [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stdout] = note: for more information, see issue #64266 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `RustcEncodable`: rustc-serialize is deprecated and no longer supported [INFO] [stdout] --> src/lib.rs:187:40 [INFO] [stdout] | [INFO] [stdout] 187 | #[derive(Debug, Clone, RustcDecodable, RustcEncodable)] [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: use of unstable library feature 'rustc_encodable_decodable': unstable implementation detail of the `rustc` compiler, do not use [INFO] [stdout] --> src/lib.rs:187:24 [INFO] [stdout] | [INFO] [stdout] 187 | #[derive(Debug, Clone, RustcDecodable, RustcEncodable)] [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[deny(soft_unstable)]` on by default [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stdout] = note: for more information, see issue #64266 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `RustcDecodable`: rustc-serialize is deprecated and no longer supported [INFO] [stdout] --> src/lib.rs:187:24 [INFO] [stdout] | [INFO] [stdout] 187 | #[derive(Debug, Clone, RustcDecodable, RustcEncodable)] [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: use of unstable library feature 'rustc_encodable_decodable': unstable implementation detail of the `rustc` compiler, do not use [INFO] [stdout] --> src/lib.rs:187:40 [INFO] [stdout] | [INFO] [stdout] 187 | #[derive(Debug, Clone, RustcDecodable, RustcEncodable)] [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stdout] = note: for more information, see issue #64266 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `RustcEncodable`: rustc-serialize is deprecated and no longer supported [INFO] [stdout] --> src/lib.rs:187:40 [INFO] [stdout] | [INFO] [stdout] 187 | #[derive(Debug, Clone, RustcDecodable, RustcEncodable)] [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:361:17 [INFO] [stdout] | [INFO] [stdout] 361 | let mut layer = &mut self.layers[layer_index]; [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:364:21 [INFO] [stdout] | [INFO] [stdout] 364 | let mut node = &mut layer[node_index]; [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:361:17 [INFO] [stdout] | [INFO] [stdout] 361 | let mut layer = &mut self.layers[layer_index]; [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:364:21 [INFO] [stdout] | [INFO] [stdout] 364 | let mut node = &mut layer[node_index]; [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:394:21 [INFO] [stdout] | [INFO] [stdout] 394 | let mut node_error; [INFO] [stdout] | ----^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:410:25 [INFO] [stdout] | [INFO] [stdout] 410 | let mut prev_layer_result; [INFO] [stdout] | ----^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:394:21 [INFO] [stdout] | [INFO] [stdout] 394 | let mut node_error; [INFO] [stdout] | ----^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:410:25 [INFO] [stdout] | [INFO] [stdout] 410 | let mut prev_layer_result; [INFO] [stdout] | ----^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 2 previous errors; 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 2 previous errors; 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `think_cap` due to 3 previous errors; 6 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: build failed [INFO] running `Command { std: "docker" "inspect" "b0bc203e6215c70e43f1069a88dcc10e25d7dc49c66bc2b3275f88b254049527", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b0bc203e6215c70e43f1069a88dcc10e25d7dc49c66bc2b3275f88b254049527", kill_on_drop: false }` [INFO] [stdout] b0bc203e6215c70e43f1069a88dcc10e25d7dc49c66bc2b3275f88b254049527