[INFO] cloning repository https://github.com/sirkibsirkib/expr_sites [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sirkibsirkib/expr_sites" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsirkibsirkib%2Fexpr_sites", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsirkibsirkib%2Fexpr_sites'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 1e158a49f09a93dfce121edde08946de29ba685b [INFO] checking sirkibsirkib/expr_sites against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsirkibsirkib%2Fexpr_sites" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/sirkibsirkib/expr_sites 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/sirkibsirkib/expr_sites [INFO] finished tweaking git repo https://github.com/sirkibsirkib/expr_sites [INFO] tweaked toml for git repo https://github.com/sirkibsirkib/expr_sites written to /workspace/builds/worker-2-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/sirkibsirkib/expr_sites 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 git repository `https://github.com/sirkibsirkib/one_to_many_map` [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] 3942f71ef64e8215a234ef75efe60cd53d0ae778bd6088a9a014ce328222cff8 [INFO] running `Command { std: "docker" "start" "-a" "3942f71ef64e8215a234ef75efe60cd53d0ae778bd6088a9a014ce328222cff8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "3942f71ef64e8215a234ef75efe60cd53d0ae778bd6088a9a014ce328222cff8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3942f71ef64e8215a234ef75efe60cd53d0ae778bd6088a9a014ce328222cff8", kill_on_drop: false }` [INFO] [stdout] 3942f71ef64e8215a234ef75efe60cd53d0ae778bd6088a9a014ce328222cff8 [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] a039cbca51291c270965a9068342eaccae702ec9a1bc58aa4bec8f6463985c69 [INFO] running `Command { std: "docker" "start" "-a" "a039cbca51291c270965a9068342eaccae702ec9a1bc58aa4bec8f6463985c69", kill_on_drop: false }` [INFO] [stderr] Compiling crossbeam-utils v0.8.5 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Checking maplit v1.0.2 [INFO] [stderr] Checking one_to_many_map v0.1.0 (https://github.com/sirkibsirkib/one_to_many_map#45fef132) [INFO] [stderr] Checking crossbeam-channel v0.5.1 [INFO] [stderr] Checking expr_sites v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `Arc` is imported redundantly [INFO] [stdout] --> src/network.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 1 | use super::*; [INFO] [stdout] | -------- the item `Arc` is already imported here [INFO] [stdout] 2 | use std::sync::Arc; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Arc` is imported redundantly [INFO] [stdout] --> src/network.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 1 | use super::*; [INFO] [stdout] | -------- the item `Arc` is already imported here [INFO] [stdout] 2 | use std::sync::Arc; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `ExprId` is never constructed [INFO] [stdout] --> src/main.rs:26:5 [INFO] [stdout] | [INFO] [stdout] 25 | enum Expr { [INFO] [stdout] | ---- variant in this enum [INFO] [stdout] 26 | ExprId(ExprId), [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Expr` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `send_to` is never used [INFO] [stdout] --> src/main.rs:70:8 [INFO] [stdout] | [INFO] [stdout] 64 | trait Network: Send { [INFO] [stdout] | ------- method in this trait [INFO] [stdout] ... [INFO] [stdout] 70 | fn send_to(&mut self, msg: &Msg, sid: SiteId) -> Result<(), ()>; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `ExprId` is never constructed [INFO] [stdout] --> src/main.rs:26:5 [INFO] [stdout] | [INFO] [stdout] 25 | enum Expr { [INFO] [stdout] | ---- variant in this enum [INFO] [stdout] 26 | ExprId(ExprId), [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Expr` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `send_to` is never used [INFO] [stdout] --> src/main.rs:70:8 [INFO] [stdout] | [INFO] [stdout] 64 | trait Network: Send { [INFO] [stdout] | ------- method in this trait [INFO] [stdout] ... [INFO] [stdout] 70 | fn send_to(&mut self, msg: &Msg, sid: SiteId) -> Result<(), ()>; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.68s [INFO] running `Command { std: "docker" "inspect" "a039cbca51291c270965a9068342eaccae702ec9a1bc58aa4bec8f6463985c69", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a039cbca51291c270965a9068342eaccae702ec9a1bc58aa4bec8f6463985c69", kill_on_drop: false }` [INFO] [stdout] a039cbca51291c270965a9068342eaccae702ec9a1bc58aa4bec8f6463985c69 [INFO] checking sirkibsirkib/expr_sites against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsirkibsirkib%2Fexpr_sites" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/sirkibsirkib/expr_sites on toolchain 2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/sirkibsirkib/expr_sites [INFO] finished tweaking git repo https://github.com/sirkibsirkib/expr_sites [INFO] tweaked toml for git repo https://github.com/sirkibsirkib/expr_sites written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/sirkibsirkib/expr_sites 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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 04fe8763395352209250d8c87e0380e91fe3793b4e06317d49640c49b81d0ec1 [INFO] running `Command { std: "docker" "start" "-a" "04fe8763395352209250d8c87e0380e91fe3793b4e06317d49640c49b81d0ec1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "04fe8763395352209250d8c87e0380e91fe3793b4e06317d49640c49b81d0ec1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "04fe8763395352209250d8c87e0380e91fe3793b4e06317d49640c49b81d0ec1", kill_on_drop: false }` [INFO] [stdout] 04fe8763395352209250d8c87e0380e91fe3793b4e06317d49640c49b81d0ec1 [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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 6f5ac8027a884d79bcc7f5eb57cb2e743f8a837cc503b5fffef7cbf56e2e753a [INFO] running `Command { std: "docker" "start" "-a" "6f5ac8027a884d79bcc7f5eb57cb2e743f8a837cc503b5fffef7cbf56e2e753a", kill_on_drop: false }` [INFO] [stderr] Compiling crossbeam-utils v0.8.5 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Checking one_to_many_map v0.1.0 (https://github.com/sirkibsirkib/one_to_many_map#45fef132) [INFO] [stderr] Checking maplit v1.0.2 [INFO] [stderr] Checking crossbeam-channel v0.5.1 [INFO] [stderr] Checking expr_sites v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `Arc` is imported redundantly [INFO] [stdout] --> src/network.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 1 | use super::*; [INFO] [stdout] | -------- the item `Arc` is already imported here [INFO] [stdout] 2 | use std::sync::Arc; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Arc` is imported redundantly [INFO] [stdout] --> src/network.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 1 | use super::*; [INFO] [stdout] | -------- the item `Arc` is already imported here [INFO] [stdout] 2 | use std::sync::Arc; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `ExprId` is never constructed [INFO] [stdout] --> src/main.rs:26:5 [INFO] [stdout] | [INFO] [stdout] 25 | enum Expr { [INFO] [stdout] | ---- variant in this enum [INFO] [stdout] 26 | ExprId(ExprId), [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Expr` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `send_to` is never used [INFO] [stdout] --> src/main.rs:70:8 [INFO] [stdout] | [INFO] [stdout] 64 | trait Network: Send { [INFO] [stdout] | ------- method in this trait [INFO] [stdout] ... [INFO] [stdout] 70 | fn send_to(&mut self, msg: &Msg, sid: SiteId) -> Result<(), ()>; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `ExprId` is never constructed [INFO] [stdout] --> src/main.rs:26:5 [INFO] [stdout] | [INFO] [stdout] 25 | enum Expr { [INFO] [stdout] | ---- variant in this enum [INFO] [stdout] 26 | ExprId(ExprId), [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Expr` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `send_to` is never used [INFO] [stdout] --> src/main.rs:70:8 [INFO] [stdout] | [INFO] [stdout] 64 | trait Network: Send { [INFO] [stdout] | ------- method in this trait [INFO] [stdout] ... [INFO] [stdout] 70 | fn send_to(&mut self, msg: &Msg, sid: SiteId) -> Result<(), ()>; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.35s [INFO] running `Command { std: "docker" "inspect" "6f5ac8027a884d79bcc7f5eb57cb2e743f8a837cc503b5fffef7cbf56e2e753a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6f5ac8027a884d79bcc7f5eb57cb2e743f8a837cc503b5fffef7cbf56e2e753a", kill_on_drop: false }` [INFO] [stdout] 6f5ac8027a884d79bcc7f5eb57cb2e743f8a837cc503b5fffef7cbf56e2e753a