[INFO] cloning repository https://github.com/Galaxtone/PirateRealm [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Galaxtone/PirateRealm" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGalaxtone%2FPirateRealm", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGalaxtone%2FPirateRealm'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] ca16dfa7b2c045265437475e09e7b7bf74227ccd [INFO] checking Galaxtone/PirateRealm against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGalaxtone%2FPirateRealm" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Galaxtone/PirateRealm 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 git repo https://github.com/Galaxtone/PirateRealm [INFO] finished tweaking git repo https://github.com/Galaxtone/PirateRealm [INFO] tweaked toml for git repo https://github.com/Galaxtone/PirateRealm written to /workspace/builds/worker-0-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/Galaxtone/PirateRealm 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] Downloading crates ... [INFO] [stderr] Downloaded security-framework-sys v2.3.0 [INFO] [stderr] Downloaded security-framework v2.3.1 [INFO] [stderr] Downloaded native-tls v0.2.7 [INFO] [stderr] Downloaded openssl-sys v0.9.65 [INFO] [stderr] Downloaded futures-sink v0.3.16 [INFO] [stderr] Downloaded openssl v0.10.35 [INFO] [stderr] Downloaded tokio v1.9.0 [INFO] [stderr] Downloaded futures-channel v0.3.16 [INFO] [stderr] Downloaded futures-task v0.3.16 [INFO] [stderr] Downloaded futures-util v0.3.16 [INFO] [stderr] Downloaded futures-core v0.3.16 [INFO] [stderr] Downloaded hyper v0.14.11 [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] b0c6be64ed044cc3e692402ec6f2ee84101193ed94f968232b2f875dd7080890 [INFO] running `Command { std: "docker" "start" "-a" "b0c6be64ed044cc3e692402ec6f2ee84101193ed94f968232b2f875dd7080890", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b0c6be64ed044cc3e692402ec6f2ee84101193ed94f968232b2f875dd7080890", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b0c6be64ed044cc3e692402ec6f2ee84101193ed94f968232b2f875dd7080890", kill_on_drop: false }` [INFO] [stdout] b0c6be64ed044cc3e692402ec6f2ee84101193ed94f968232b2f875dd7080890 [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] c9e8b41fba4466101cb3f8e5151525ac34963028c13c5dd691a2300294569e2a [INFO] running `Command { std: "docker" "start" "-a" "c9e8b41fba4466101cb3f8e5151525ac34963028c13c5dd691a2300294569e2a", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.98 [INFO] [stderr] Compiling serde v1.0.127 [INFO] [stderr] Compiling proc-macro2 v1.0.28 [INFO] [stderr] Checking pin-project-lite v0.2.7 [INFO] [stderr] Compiling syn v1.0.74 [INFO] [stderr] Compiling cc v1.0.69 [INFO] [stderr] Compiling pkg-config v0.3.19 [INFO] [stderr] Checking instant v0.1.10 [INFO] [stderr] Compiling futures-core v0.3.16 [INFO] [stderr] Compiling memchr v2.4.0 [INFO] [stderr] Compiling tokio v1.9.0 [INFO] [stderr] Compiling futures-task v0.3.16 [INFO] [stderr] Compiling futures-util v0.3.16 [INFO] [stderr] Compiling indexmap v1.7.0 [INFO] [stderr] Checking fnv v1.0.7 [INFO] [stderr] Compiling openssl v0.10.35 [INFO] [stderr] Checking foreign-types-shared v0.1.1 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Checking tracing-core v0.1.18 [INFO] [stderr] Checking foreign-types v0.3.2 [INFO] [stderr] Checking hashbrown v0.11.2 [INFO] [stderr] Compiling native-tls v0.2.7 [INFO] [stderr] Checking parking_lot_core v0.8.3 [INFO] [stderr] Checking mio v0.7.13 [INFO] [stderr] Checking num_cpus v1.13.0 [INFO] [stderr] Checking signal-hook-registry v1.4.0 [INFO] [stderr] Compiling openssl-sys v0.9.65 [INFO] [stderr] Checking parking_lot v0.11.1 [INFO] [stderr] Compiling futures-channel v0.3.16 [INFO] [stderr] Checking futures-sink v0.3.16 [INFO] [stderr] Compiling httparse v1.4.1 [INFO] [stderr] Checking tracing v0.1.26 [INFO] [stderr] Compiling miniz_oxide v0.4.4 [INFO] [stderr] Checking try-lock v0.2.3 [INFO] [stderr] Checking openssl-probe v0.1.4 [INFO] [stderr] Checking slab v0.4.4 [INFO] [stderr] Compiling crc32fast v1.2.1 [INFO] [stderr] Checking want v0.3.0 [INFO] [stderr] Checking socket2 v0.4.1 [INFO] [stderr] Checking httpdate v1.0.1 [INFO] [stderr] Checking tower-service v0.3.1 [INFO] [stderr] Checking flate2 v1.0.20 [INFO] [stderr] Checking bytes v1.0.1 [INFO] [stderr] Checking http v0.2.4 [INFO] [stderr] Compiling tokio-macros v1.3.0 [INFO] [stderr] Checking http-body v0.4.3 [INFO] [stderr] Checking tokio-util v0.6.7 [INFO] [stderr] Checking tokio-native-tls v0.3.0 [INFO] [stderr] Checking h2 v0.3.3 [INFO] [stderr] Checking hyper v0.14.11 [INFO] [stderr] Checking hyper-tls v0.5.0 [INFO] [stderr] Checking piraterealm v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `From` is imported redundantly [INFO] [stdout] --> src/network/classic.rs:20:5 [INFO] [stdout] | [INFO] [stdout] 20 | use std::convert::From; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:134:13 [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: the item `From` is imported redundantly [INFO] [stdout] --> src/network/classic.rs:20:5 [INFO] [stdout] | [INFO] [stdout] 20 | use std::convert::From; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:134:13 [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 variable: `i` [INFO] [stdout] --> src/main.rs:475:11 [INFO] [stdout] | [INFO] [stdout] 475 | for i in 0..(*player).chatbox.len() { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `id` is never read [INFO] [stdout] --> src/main.rs:477:17 [INFO] [stdout] | [INFO] [stdout] 477 | let mut id = 0; [INFO] [stdout] | ^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `player_id` [INFO] [stdout] --> src/main.rs:538:13 [INFO] [stdout] | [INFO] [stdout] 538 | player_id, [INFO] [stdout] | ^^^^^^^^^ help: try ignoring the field: `player_id: _` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> src/main.rs:475:11 [INFO] [stdout] | [INFO] [stdout] 475 | for i in 0..(*player).chatbox.len() { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `id` is never read [INFO] [stdout] --> src/main.rs:477:17 [INFO] [stdout] | [INFO] [stdout] 477 | let mut id = 0; [INFO] [stdout] | ^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `player_id` [INFO] [stdout] --> src/main.rs:538:13 [INFO] [stdout] | [INFO] [stdout] 538 | player_id, [INFO] [stdout] | ^^^^^^^^^ help: try ignoring the field: `player_id: _` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:708:23 [INFO] [stdout] | [INFO] [stdout] 708 | let mut block = Block { [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: calls to `std::mem::drop` with a reference instead of an owned value does nothing [INFO] [stdout] --> src/main.rs:178:9 [INFO] [stdout] | [INFO] [stdout] 178 | drop(lp); [INFO] [stdout] | ^^^^^--^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `&String` [INFO] [stdout] | [INFO] [stdout] = note: use `let _ = ...` to ignore the expression or result [INFO] [stdout] = note: `#[warn(dropping_references)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing [INFO] [stdout] --> src/main.rs:349:13 [INFO] [stdout] | [INFO] [stdout] 349 | drop(lockedplayer2); [INFO] [stdout] | ^^^^^-------------^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `&Player` [INFO] [stdout] | [INFO] [stdout] = note: use `let _ = ...` to ignore the expression or result [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing [INFO] [stdout] --> src/network/classic.rs:236:9 [INFO] [stdout] | [INFO] [stdout] 236 | drop(unused); [INFO] [stdout] | ^^^^^------^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `u8` [INFO] [stdout] | [INFO] [stdout] = note: use `let _ = ...` to ignore the expression or result [INFO] [stdout] = note: `#[warn(dropping_copy_types)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing [INFO] [stdout] --> src/network/classic.rs:263:9 [INFO] [stdout] | [INFO] [stdout] 263 | drop(x); [INFO] [stdout] | ^^^^^-^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `u8` [INFO] [stdout] | [INFO] [stdout] = note: use `let _ = ...` to ignore the expression or result [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/network/classic/chunks.rs:72:5 [INFO] [stdout] | [INFO] [stdout] 72 | encoder.write_all(&self.data); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 72 | let _ = encoder.write_all(&self.data); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 10 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:708:23 [INFO] [stdout] | [INFO] [stdout] 708 | let mut block = Block { [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: calls to `std::mem::drop` with a reference instead of an owned value does nothing [INFO] [stdout] --> src/main.rs:178:9 [INFO] [stdout] | [INFO] [stdout] 178 | drop(lp); [INFO] [stdout] | ^^^^^--^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `&String` [INFO] [stdout] | [INFO] [stdout] = note: use `let _ = ...` to ignore the expression or result [INFO] [stdout] = note: `#[warn(dropping_references)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing [INFO] [stdout] --> src/main.rs:349:13 [INFO] [stdout] | [INFO] [stdout] 349 | drop(lockedplayer2); [INFO] [stdout] | ^^^^^-------------^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `&Player` [INFO] [stdout] | [INFO] [stdout] = note: use `let _ = ...` to ignore the expression or result [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing [INFO] [stdout] --> src/network/classic.rs:236:9 [INFO] [stdout] | [INFO] [stdout] 236 | drop(unused); [INFO] [stdout] | ^^^^^------^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `u8` [INFO] [stdout] | [INFO] [stdout] = note: use `let _ = ...` to ignore the expression or result [INFO] [stdout] = note: `#[warn(dropping_copy_types)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing [INFO] [stdout] --> src/network/classic.rs:263:9 [INFO] [stdout] | [INFO] [stdout] 263 | drop(x); [INFO] [stdout] | ^^^^^-^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `u8` [INFO] [stdout] | [INFO] [stdout] = note: use `let _ = ...` to ignore the expression or result [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/network/classic/chunks.rs:72:5 [INFO] [stdout] | [INFO] [stdout] 72 | encoder.write_all(&self.data); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 72 | let _ = encoder.write_all(&self.data); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 10 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 33.47s [INFO] running `Command { std: "docker" "inspect" "c9e8b41fba4466101cb3f8e5151525ac34963028c13c5dd691a2300294569e2a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c9e8b41fba4466101cb3f8e5151525ac34963028c13c5dd691a2300294569e2a", kill_on_drop: false }` [INFO] [stdout] c9e8b41fba4466101cb3f8e5151525ac34963028c13c5dd691a2300294569e2a [INFO] checking Galaxtone/PirateRealm against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGalaxtone%2FPirateRealm" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Galaxtone/PirateRealm 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 git repo https://github.com/Galaxtone/PirateRealm [INFO] finished tweaking git repo https://github.com/Galaxtone/PirateRealm [INFO] tweaked toml for git repo https://github.com/Galaxtone/PirateRealm written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/Galaxtone/PirateRealm 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] 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] 5fec6d5e3b934fb79d3ae5b14a016e07b0f54c4f99e816181dc9dcc511814635 [INFO] running `Command { std: "docker" "start" "-a" "5fec6d5e3b934fb79d3ae5b14a016e07b0f54c4f99e816181dc9dcc511814635", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "5fec6d5e3b934fb79d3ae5b14a016e07b0f54c4f99e816181dc9dcc511814635", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5fec6d5e3b934fb79d3ae5b14a016e07b0f54c4f99e816181dc9dcc511814635", kill_on_drop: false }` [INFO] [stdout] 5fec6d5e3b934fb79d3ae5b14a016e07b0f54c4f99e816181dc9dcc511814635 [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] 1116fd834912ae451f85e11abe8b1ade1913150e84140086a4c8544c21792db4 [INFO] running `Command { std: "docker" "start" "-a" "1116fd834912ae451f85e11abe8b1ade1913150e84140086a4c8544c21792db4", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.98 [INFO] [stderr] Compiling proc-macro2 v1.0.28 [INFO] [stderr] Compiling serde v1.0.127 [INFO] [stderr] Compiling pkg-config v0.3.19 [INFO] [stderr] Checking pin-project-lite v0.2.7 [INFO] [stderr] Compiling cc v1.0.69 [INFO] [stderr] Compiling syn v1.0.74 [INFO] [stderr] Checking instant v0.1.10 [INFO] [stderr] Compiling memchr v2.4.0 [INFO] [stderr] Compiling futures-core v0.3.16 [INFO] [stderr] Compiling tokio v1.9.0 [INFO] [stderr] Compiling futures-task v0.3.16 [INFO] [stderr] Compiling indexmap v1.7.0 [INFO] [stderr] Compiling futures-util v0.3.16 [INFO] [stderr] Checking foreign-types-shared v0.1.1 [INFO] [stderr] Compiling openssl v0.10.35 [INFO] [stderr] Checking fnv v1.0.7 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Checking tracing-core v0.1.18 [INFO] [stderr] Checking foreign-types v0.3.2 [INFO] [stderr] Checking parking_lot_core v0.8.3 [INFO] [stderr] Checking signal-hook-registry v1.4.0 [INFO] [stderr] Checking mio v0.7.13 [INFO] [stderr] Checking num_cpus v1.13.0 [INFO] [stderr] Checking parking_lot v0.11.1 [INFO] [stderr] Checking futures-sink v0.3.16 [INFO] [stderr] Compiling native-tls v0.2.7 [INFO] [stderr] Checking hashbrown v0.11.2 [INFO] [stderr] Compiling futures-channel v0.3.16 [INFO] [stderr] Compiling httparse v1.4.1 [INFO] [stderr] Compiling openssl-sys v0.9.65 [INFO] [stderr] Checking tracing v0.1.26 [INFO] [stderr] Compiling miniz_oxide v0.4.4 [INFO] [stderr] Checking openssl-probe v0.1.4 [INFO] [stderr] Compiling crc32fast v1.2.1 [INFO] [stderr] Checking try-lock v0.2.3 [INFO] [stderr] Checking slab v0.4.4 [INFO] [stderr] Checking want v0.3.0 [INFO] [stderr] Checking socket2 v0.4.1 [INFO] [stderr] Checking tower-service v0.3.1 [INFO] [stderr] Checking httpdate v1.0.1 [INFO] [stderr] Checking flate2 v1.0.20 [INFO] [stderr] Checking bytes v1.0.1 [INFO] [stderr] Checking http v0.2.4 [INFO] [stderr] Compiling tokio-macros v1.3.0 [INFO] [stderr] Checking http-body v0.4.3 [INFO] [stderr] Checking tokio-util v0.6.7 [INFO] [stderr] Checking tokio-native-tls v0.3.0 [INFO] [stderr] Checking h2 v0.3.3 [INFO] [stderr] Checking hyper v0.14.11 [INFO] [stderr] Checking hyper-tls v0.5.0 [INFO] [stderr] Checking piraterealm v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `From` is imported redundantly [INFO] [stdout] --> src/network/classic.rs:20:5 [INFO] [stdout] | [INFO] [stdout] 20 | use std::convert::From; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/645bb72776a6a56a1a8f52631a44bd082b2ba509/library/std/src/prelude/mod.rs:134:13 [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: the item `From` is imported redundantly [INFO] [stdout] --> src/network/classic.rs:20:5 [INFO] [stdout] | [INFO] [stdout] 20 | use std::convert::From; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/645bb72776a6a56a1a8f52631a44bd082b2ba509/library/std/src/prelude/mod.rs:134:13 [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 variable: `i` [INFO] [stdout] --> src/main.rs:475:11 [INFO] [stdout] | [INFO] [stdout] 475 | for i in 0..(*player).chatbox.len() { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `id` is never read [INFO] [stdout] --> src/main.rs:477:17 [INFO] [stdout] | [INFO] [stdout] 477 | let mut id = 0; [INFO] [stdout] | ^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> src/main.rs:475:11 [INFO] [stdout] | [INFO] [stdout] 475 | for i in 0..(*player).chatbox.len() { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `id` is never read [INFO] [stdout] --> src/main.rs:477:17 [INFO] [stdout] | [INFO] [stdout] 477 | let mut id = 0; [INFO] [stdout] | ^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `player_id` [INFO] [stdout] --> src/main.rs:538:13 [INFO] [stdout] | [INFO] [stdout] 538 | player_id, [INFO] [stdout] | ^^^^^^^^^ help: try ignoring the field: `player_id: _` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `player_id` [INFO] [stdout] --> src/main.rs:538:13 [INFO] [stdout] | [INFO] [stdout] 538 | player_id, [INFO] [stdout] | ^^^^^^^^^ help: try ignoring the field: `player_id: _` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:708:23 [INFO] [stdout] | [INFO] [stdout] 708 | let mut block = Block { [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/main.rs:708:23 [INFO] [stdout] | [INFO] [stdout] 708 | let mut block = Block { [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: calls to `std::mem::drop` with a reference instead of an owned value does nothing [INFO] [stdout] --> src/main.rs:178:9 [INFO] [stdout] | [INFO] [stdout] 178 | drop(lp); [INFO] [stdout] | ^^^^^--^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `&String` [INFO] [stdout] | [INFO] [stdout] = note: use `let _ = ...` to ignore the expression or result [INFO] [stdout] = note: `#[warn(dropping_references)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing [INFO] [stdout] --> src/main.rs:178:9 [INFO] [stdout] | [INFO] [stdout] 178 | drop(lp); [INFO] [stdout] | ^^^^^--^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `&String` [INFO] [stdout] | [INFO] [stdout] = note: use `let _ = ...` to ignore the expression or result [INFO] [stdout] = note: `#[warn(dropping_references)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing [INFO] [stdout] --> src/main.rs:349:13 [INFO] [stdout] | [INFO] [stdout] 349 | drop(lockedplayer2); [INFO] [stdout] | ^^^^^-------------^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `&Player` [INFO] [stdout] | [INFO] [stdout] = note: use `let _ = ...` to ignore the expression or result [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing [INFO] [stdout] --> src/network/classic.rs:236:9 [INFO] [stdout] | [INFO] [stdout] 236 | drop(unused); [INFO] [stdout] | ^^^^^------^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `u8` [INFO] [stdout] | [INFO] [stdout] = note: use `let _ = ...` to ignore the expression or result [INFO] [stdout] = note: `#[warn(dropping_copy_types)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing [INFO] [stdout] --> src/main.rs:349:13 [INFO] [stdout] | [INFO] [stdout] 349 | drop(lockedplayer2); [INFO] [stdout] | ^^^^^-------------^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `&Player` [INFO] [stdout] | [INFO] [stdout] = note: use `let _ = ...` to ignore the expression or result [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing [INFO] [stdout] --> src/network/classic.rs:263:9 [INFO] [stdout] | [INFO] [stdout] 263 | drop(x); [INFO] [stdout] | ^^^^^-^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `u8` [INFO] [stdout] | [INFO] [stdout] = note: use `let _ = ...` to ignore the expression or result [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing [INFO] [stdout] --> src/network/classic.rs:236:9 [INFO] [stdout] | [INFO] [stdout] 236 | drop(unused); [INFO] [stdout] | ^^^^^------^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `u8` [INFO] [stdout] | [INFO] [stdout] = note: use `let _ = ...` to ignore the expression or result [INFO] [stdout] = note: `#[warn(dropping_copy_types)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/network/classic/chunks.rs:72:5 [INFO] [stdout] | [INFO] [stdout] 72 | encoder.write_all(&self.data); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 72 | let _ = encoder.write_all(&self.data); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing [INFO] [stdout] --> src/network/classic.rs:263:9 [INFO] [stdout] | [INFO] [stdout] 263 | drop(x); [INFO] [stdout] | ^^^^^-^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `u8` [INFO] [stdout] | [INFO] [stdout] = note: use `let _ = ...` to ignore the expression or result [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/network/classic/chunks.rs:72:5 [INFO] [stdout] | [INFO] [stdout] 72 | encoder.write_all(&self.data); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 72 | let _ = encoder.write_all(&self.data); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 10 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 10 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 34.08s [INFO] running `Command { std: "docker" "inspect" "1116fd834912ae451f85e11abe8b1ade1913150e84140086a4c8544c21792db4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1116fd834912ae451f85e11abe8b1ade1913150e84140086a4c8544c21792db4", kill_on_drop: false }` [INFO] [stdout] 1116fd834912ae451f85e11abe8b1ade1913150e84140086a4c8544c21792db4