[INFO] fetching crate syncterm 0.0.1... [INFO] checking syncterm-0.0.1 against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604 [INFO] extracting crate syncterm 0.0.1 into /workspace/builds/worker-4-tc1/source [INFO] validating manifest of crates.io crate syncterm 0.0.1 on toolchain ab869e094a907cc5d19b4080f22eccaf347f1f95 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate syncterm 0.0.1 [INFO] finished tweaking crates.io crate syncterm 0.0.1 [INFO] tweaked toml for crates.io crate syncterm 0.0.1 written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Locking 65 packages to latest compatible versions [INFO] [stderr] Adding bitflags v1.3.2 (latest: v2.6.0) [INFO] [stderr] Adding cloudabi v0.0.3 (latest: v0.1.0) [INFO] [stderr] Adding itertools v0.7.11 (latest: v0.13.0) [INFO] [stderr] Adding numtoa v0.1.0 (latest: v0.2.4) [INFO] [stderr] Adding rand v0.3.23 (latest: v0.8.5) [INFO] [stderr] Adding rand v0.4.6 (latest: v0.8.5) [INFO] [stderr] Adding rand v0.5.6 (latest: v0.8.5) [INFO] [stderr] Adding rand_core v0.3.1 (latest: v0.6.4) [INFO] [stderr] Adding rand_core v0.4.2 (latest: v0.6.4) [INFO] [stderr] Adding rdrand v0.4.0 (latest: v0.8.3) [INFO] [stderr] Adding redox_syscall v0.2.16 (latest: v0.5.3) [INFO] [stderr] Adding termion v1.5.6 (latest: v4.0.2) [INFO] [stderr] Adding tui v0.2.3 (latest: v0.19.0) [INFO] [stderr] Adding windows-core v0.52.0 (latest: v0.58.0) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021 [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded chan v0.1.23 [INFO] [stderr] Downloaded tui v0.2.3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 918961bac863e85dded58302ec4373c5fc73cf943111b06bd4d9d5efd76efe05 [INFO] running `Command { std: "docker" "start" "-a" "918961bac863e85dded58302ec4373c5fc73cf943111b06bd4d9d5efd76efe05", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "918961bac863e85dded58302ec4373c5fc73cf943111b06bd4d9d5efd76efe05", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "918961bac863e85dded58302ec4373c5fc73cf943111b06bd4d9d5efd76efe05", kill_on_drop: false }` [INFO] [stdout] 918961bac863e85dded58302ec4373c5fc73cf943111b06bd4d9d5efd76efe05 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 54d324620eccc4d177fed5ed3e726a91878cf291aafb1e4e9c633255d4a4c6ab [INFO] running `Command { std: "docker" "start" "-a" "54d324620eccc4d177fed5ed3e726a91878cf291aafb1e4e9c633255d4a4c6ab", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021 [INFO] [stderr] Compiling serde v1.0.209 [INFO] [stderr] Checking rand_core v0.4.2 [INFO] [stderr] Checking numtoa v0.1.0 [INFO] [stderr] Checking either v1.13.0 [INFO] [stderr] Checking cassowary v0.3.0 [INFO] [stderr] Checking chan v0.1.23 [INFO] [stderr] Checking chrono v0.4.38 [INFO] [stderr] Checking rand_core v0.3.1 [INFO] [stderr] Checking itertools v0.7.11 [INFO] [stderr] Checking termion v1.5.6 [INFO] [stderr] Checking rand v0.5.6 [INFO] [stderr] Checking tui v0.2.3 [INFO] [stderr] Checking serde_json v1.0.127 [INFO] [stderr] Checking syncterm v0.0.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/server.rs:98:16 [INFO] [stdout] | [INFO] [stdout] 98 | Ok(mut stream) => { [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/server.rs:98:16 [INFO] [stdout] | [INFO] [stdout] 98 | Ok(mut stream) => { [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/server.rs:175:16 [INFO] [stdout] | [INFO] [stdout] 175 | Ok(mut line) => { [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/server.rs:175:16 [INFO] [stdout] | [INFO] [stdout] 175 | Ok(mut line) => { [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.06s [INFO] running `Command { std: "docker" "inspect" "54d324620eccc4d177fed5ed3e726a91878cf291aafb1e4e9c633255d4a4c6ab", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "54d324620eccc4d177fed5ed3e726a91878cf291aafb1e4e9c633255d4a4c6ab", kill_on_drop: false }` [INFO] [stdout] 54d324620eccc4d177fed5ed3e726a91878cf291aafb1e4e9c633255d4a4c6ab