[INFO] fetching crate stdworld 0.1.1... [INFO] building stdworld-0.1.1 against try#4987e9d4227139400384ab59296ffee3b0fb1183 for pr-146237-2 [INFO] extracting crate stdworld 0.1.1 into /workspace/builds/worker-6-tc2/source [INFO] started tweaking crates.io crate stdworld 0.1.1 [INFO] finished tweaking crates.io crate stdworld 0.1.1 [INFO] tweaked toml for crates.io crate stdworld 0.1.1 written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate stdworld 0.1.1 on toolchain 4987e9d4227139400384ab59296ffee3b0fb1183 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] c0f2ce536ee664f84565a3b9a155e1c3f9ed2f3c002146f66136e86cacb8b964 [INFO] running `Command { std: "docker" "start" "-a" "c0f2ce536ee664f84565a3b9a155e1c3f9ed2f3c002146f66136e86cacb8b964", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c0f2ce536ee664f84565a3b9a155e1c3f9ed2f3c002146f66136e86cacb8b964", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c0f2ce536ee664f84565a3b9a155e1c3f9ed2f3c002146f66136e86cacb8b964", kill_on_drop: false }` [INFO] [stdout] c0f2ce536ee664f84565a3b9a155e1c3f9ed2f3c002146f66136e86cacb8b964 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 9dc1d99c3162df178029c5971cba0c15fb191e3d624875b40d53140d4aded876 [INFO] running `Command { std: "docker" "start" "-a" "9dc1d99c3162df178029c5971cba0c15fb191e3d624875b40d53140d4aded876", kill_on_drop: false }` [INFO] [stderr] Compiling stdworld v0.1.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `w` [INFO] [stdout] --> src/lib.rs:93:41 [INFO] [stdout] | [INFO] [stdout] 93 | pub fn spawn(w: W, f: F) -> JoinHandle [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_w` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `f` [INFO] [stdout] --> src/lib.rs:93:47 [INFO] [stdout] | [INFO] [stdout] 93 | pub fn spawn(w: W, f: F) -> JoinHandle [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_f` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `w` [INFO] [stdout] --> src/lib.rs:81:34 [INFO] [stdout] | [INFO] [stdout] 81 | pub fn vars_os(w: W) -> VarsOs { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_w` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `w` [INFO] [stdout] --> src/lib.rs:76:50 [INFO] [stdout] | [INFO] [stdout] 76 | pub fn var_os>(w: W, key: K) -> Option { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_w` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `key` [INFO] [stdout] --> src/lib.rs:76:56 [INFO] [stdout] | [INFO] [stdout] 76 | pub fn var_os>(w: W, key: K) -> Option { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_key` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `w` [INFO] [stdout] --> src/lib.rs:72:68 [INFO] [stdout] | [INFO] [stdout] 72 | pub fn set_var, V: AsRef>(w: W, key: K, value: V) { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_w` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `key` [INFO] [stdout] --> src/lib.rs:72:74 [INFO] [stdout] | [INFO] [stdout] 72 | pub fn set_var, V: AsRef>(w: W, key: K, value: V) { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_key` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `value` [INFO] [stdout] --> src/lib.rs:72:82 [INFO] [stdout] | [INFO] [stdout] 72 | pub fn set_var, V: AsRef>(w: W, key: K, value: V) { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_value` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> src/lib.rs:141:15 [INFO] [stdout] | [INFO] [stdout] 140 | impl MainWorld { [INFO] [stdout] | -------------- associated function in this implementation [INFO] [stdout] 141 | unsafe fn new() -> MainWorld { [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> src/lib.rs:147:15 [INFO] [stdout] | [INFO] [stdout] 146 | impl ThreadWorld { [INFO] [stdout] | ---------------- associated function in this implementation [INFO] [stdout] 147 | unsafe fn new() -> ThreadWorld { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> src/lib.rs:153:15 [INFO] [stdout] | [INFO] [stdout] 152 | impl UnloadableMainWorld { [INFO] [stdout] | ------------------------ associated function in this implementation [INFO] [stdout] 153 | unsafe fn new() -> UnloadableMainWorld { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.33s [INFO] running `Command { std: "docker" "inspect" "9dc1d99c3162df178029c5971cba0c15fb191e3d624875b40d53140d4aded876", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9dc1d99c3162df178029c5971cba0c15fb191e3d624875b40d53140d4aded876", kill_on_drop: false }` [INFO] [stdout] 9dc1d99c3162df178029c5971cba0c15fb191e3d624875b40d53140d4aded876 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 7fe99113ad1eb46d29b315825fd8ba87e1975e2ef8ccadee1363e9aef4ba656b [INFO] running `Command { std: "docker" "start" "-a" "7fe99113ad1eb46d29b315825fd8ba87e1975e2ef8ccadee1363e9aef4ba656b", kill_on_drop: false }` [INFO] [stdout] warning: unused variable: `w` [INFO] [stdout] --> src/lib.rs:93:41 [INFO] [stdout] | [INFO] [stdout] 93 | pub fn spawn(w: W, f: F) -> JoinHandle [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_w` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `f` [INFO] [stdout] --> src/lib.rs:93:47 [INFO] [stdout] | [INFO] [stdout] 93 | pub fn spawn(w: W, f: F) -> JoinHandle [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_f` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `w` [INFO] [stdout] --> src/lib.rs:81:34 [INFO] [stdout] | [INFO] [stdout] 81 | pub fn vars_os(w: W) -> VarsOs { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_w` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `w` [INFO] [stdout] --> src/lib.rs:76:50 [INFO] [stdout] | [INFO] [stdout] 76 | pub fn var_os>(w: W, key: K) -> Option { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_w` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `key` [INFO] [stdout] --> src/lib.rs:76:56 [INFO] [stdout] | [INFO] [stdout] 76 | pub fn var_os>(w: W, key: K) -> Option { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_key` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `w` [INFO] [stdout] --> src/lib.rs:72:68 [INFO] [stdout] | [INFO] [stdout] 72 | pub fn set_var, V: AsRef>(w: W, key: K, value: V) { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_w` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `key` [INFO] [stdout] --> src/lib.rs:72:74 [INFO] [stdout] | [INFO] [stdout] 72 | pub fn set_var, V: AsRef>(w: W, key: K, value: V) { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_key` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `value` [INFO] [stdout] --> src/lib.rs:72:82 [INFO] [stdout] | [INFO] [stdout] 72 | pub fn set_var, V: AsRef>(w: W, key: K, value: V) { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_value` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> src/lib.rs:141:15 [INFO] [stdout] | [INFO] [stdout] 140 | impl MainWorld { [INFO] [stdout] | -------------- associated function in this implementation [INFO] [stdout] 141 | unsafe fn new() -> MainWorld { [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> src/lib.rs:147:15 [INFO] [stdout] | [INFO] [stdout] 146 | impl ThreadWorld { [INFO] [stdout] | ---------------- associated function in this implementation [INFO] [stdout] 147 | unsafe fn new() -> ThreadWorld { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> src/lib.rs:153:15 [INFO] [stdout] | [INFO] [stdout] 152 | impl UnloadableMainWorld { [INFO] [stdout] | ------------------------ associated function in this implementation [INFO] [stdout] 153 | unsafe fn new() -> UnloadableMainWorld { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling stdworld v0.1.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `w` [INFO] [stdout] --> src/lib.rs:72:68 [INFO] [stdout] | [INFO] [stdout] 72 | pub fn set_var, V: AsRef>(w: W, key: K, value: V) { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_w` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `w` [INFO] [stdout] --> src/lib.rs:76:50 [INFO] [stdout] | [INFO] [stdout] 76 | pub fn var_os>(w: W, key: K) -> Option { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_w` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `key` [INFO] [stdout] --> src/lib.rs:76:56 [INFO] [stdout] | [INFO] [stdout] 76 | pub fn var_os>(w: W, key: K) -> Option { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_key` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `w` [INFO] [stdout] --> src/lib.rs:93:41 [INFO] [stdout] | [INFO] [stdout] 93 | pub fn spawn(w: W, f: F) -> JoinHandle [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_w` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `f` [INFO] [stdout] --> src/lib.rs:93:47 [INFO] [stdout] | [INFO] [stdout] 93 | pub fn spawn(w: W, f: F) -> JoinHandle [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_f` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `key` [INFO] [stdout] --> src/lib.rs:72:74 [INFO] [stdout] | [INFO] [stdout] 72 | pub fn set_var, V: AsRef>(w: W, key: K, value: V) { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_key` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `value` [INFO] [stdout] --> src/lib.rs:72:82 [INFO] [stdout] | [INFO] [stdout] 72 | pub fn set_var, V: AsRef>(w: W, key: K, value: V) { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_value` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `w` [INFO] [stdout] --> src/lib.rs:81:34 [INFO] [stdout] | [INFO] [stdout] 81 | pub fn vars_os(w: W) -> VarsOs { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_w` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> src/lib.rs:141:15 [INFO] [stdout] | [INFO] [stdout] 140 | impl MainWorld { [INFO] [stdout] | -------------- associated function in this implementation [INFO] [stdout] 141 | unsafe fn new() -> MainWorld { [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> src/lib.rs:147:15 [INFO] [stdout] | [INFO] [stdout] 146 | impl ThreadWorld { [INFO] [stdout] | ---------------- associated function in this implementation [INFO] [stdout] 147 | unsafe fn new() -> ThreadWorld { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> src/lib.rs:153:15 [INFO] [stdout] | [INFO] [stdout] 152 | impl UnloadableMainWorld { [INFO] [stdout] | ------------------------ associated function in this implementation [INFO] [stdout] 153 | unsafe fn new() -> UnloadableMainWorld { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.30s [INFO] running `Command { std: "docker" "inspect" "7fe99113ad1eb46d29b315825fd8ba87e1975e2ef8ccadee1363e9aef4ba656b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7fe99113ad1eb46d29b315825fd8ba87e1975e2ef8ccadee1363e9aef4ba656b", kill_on_drop: false }` [INFO] [stdout] 7fe99113ad1eb46d29b315825fd8ba87e1975e2ef8ccadee1363e9aef4ba656b