[INFO] cloning repository https://github.com/LOKESH-999/mpsc-channels [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/LOKESH-999/mpsc-channels" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLOKESH-999%2Fmpsc-channels", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLOKESH-999%2Fmpsc-channels'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 9751b9d50573bb820f5c2a975c990cfa94c2ae22 [INFO] checking LOKESH-999/mpsc-channels against master#22572d0994593197593e2a1b7b18d720a9a349a7 for pr-126452-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLOKESH-999%2Fmpsc-channels" "/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/LOKESH-999/mpsc-channels on toolchain 22572d0994593197593e2a1b7b18d720a9a349a7 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/LOKESH-999/mpsc-channels [INFO] finished tweaking git repo https://github.com/LOKESH-999/mpsc-channels [INFO] tweaked toml for git repo https://github.com/LOKESH-999/mpsc-channels written to /workspace/builds/worker-2-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/LOKESH-999/mpsc-channels 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" "+22572d0994593197593e2a1b7b18d720a9a349a7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] f4ca3824038ad16e49c8adbfbe7fa2901278ac0bbf6f561f3215f1769567376c [INFO] running `Command { std: "docker" "start" "-a" "f4ca3824038ad16e49c8adbfbe7fa2901278ac0bbf6f561f3215f1769567376c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f4ca3824038ad16e49c8adbfbe7fa2901278ac0bbf6f561f3215f1769567376c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f4ca3824038ad16e49c8adbfbe7fa2901278ac0bbf6f561f3215f1769567376c", kill_on_drop: false }` [INFO] [stdout] f4ca3824038ad16e49c8adbfbe7fa2901278ac0bbf6f561f3215f1769567376c [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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 21b4ecee72a734ff54ef54e3daadf876156d8a47fbb295adcbdfcd0626bc2922 [INFO] running `Command { std: "docker" "start" "-a" "21b4ecee72a734ff54ef54e3daadf876156d8a47fbb295adcbdfcd0626bc2922", kill_on_drop: false }` [INFO] [stderr] Checking channels v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `mpsc` [INFO] [stdout] --> src/main.rs:3:17 [INFO] [stdout] | [INFO] [stdout] 3 | use std::sync::{mpsc}; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `mpsc` [INFO] [stdout] --> src/main.rs:3:17 [INFO] [stdout] | [INFO] [stdout] 3 | use std::sync::{mpsc}; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `b` [INFO] [stdout] --> src/channel.rs:29:13 [INFO] [stdout] | [INFO] [stdout] 29 | let b=Base{ [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_b` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `b` [INFO] [stdout] --> src/channel.rs:29:13 [INFO] [stdout] | [INFO] [stdout] 29 | let b=Base{ [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_b` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `data` is never read [INFO] [stdout] --> src/channel.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 7 | pub struct Base{ [INFO] [stdout] | ---- field in this struct [INFO] [stdout] 8 | data:VecDeque, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `data` is never read [INFO] [stdout] --> src/channel.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 7 | pub struct Base{ [INFO] [stdout] | ---- field in this struct [INFO] [stdout] 8 | data:VecDeque, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Channel` is never constructed [INFO] [stdout] --> src/channel.rs:14:12 [INFO] [stdout] | [INFO] [stdout] 14 | pub struct Channel; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Channel` is never constructed [INFO] [stdout] --> src/channel.rs:14:12 [INFO] [stdout] | [INFO] [stdout] 14 | pub struct Channel; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> src/channel.rs:26:12 [INFO] [stdout] | [INFO] [stdout] 25 | impl Channel{ [INFO] [stdout] | ------------ associated function in this implementation [INFO] [stdout] 26 | pub fn new()->(Sender,Reciver){ [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `clone` is never used [INFO] [stdout] --> src/channel.rs:60:12 [INFO] [stdout] | [INFO] [stdout] 59 | impl Sender{ [INFO] [stdout] | ----------------- method in this implementation [INFO] [stdout] 60 | pub fn clone(&self)->Self{ [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> src/channel.rs:26:12 [INFO] [stdout] | [INFO] [stdout] 25 | impl Channel{ [INFO] [stdout] | ------------ associated function in this implementation [INFO] [stdout] 26 | pub fn new()->(Sender,Reciver){ [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `clone` is never used [INFO] [stdout] --> src/channel.rs:60:12 [INFO] [stdout] | [INFO] [stdout] 59 | impl Sender{ [INFO] [stdout] | ----------------- method in this implementation [INFO] [stdout] 60 | pub fn clone(&self)->Self{ [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.08s [INFO] running `Command { std: "docker" "inspect" "21b4ecee72a734ff54ef54e3daadf876156d8a47fbb295adcbdfcd0626bc2922", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "21b4ecee72a734ff54ef54e3daadf876156d8a47fbb295adcbdfcd0626bc2922", kill_on_drop: false }` [INFO] [stdout] 21b4ecee72a734ff54ef54e3daadf876156d8a47fbb295adcbdfcd0626bc2922 [INFO] checking LOKESH-999/mpsc-channels against try#6289438dbad80b1a0029c66dd3f6abf57c2c51be for pr-126452-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLOKESH-999%2Fmpsc-channels" "/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/LOKESH-999/mpsc-channels on toolchain 6289438dbad80b1a0029c66dd3f6abf57c2c51be [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/LOKESH-999/mpsc-channels [INFO] finished tweaking git repo https://github.com/LOKESH-999/mpsc-channels [INFO] tweaked toml for git repo https://github.com/LOKESH-999/mpsc-channels written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/LOKESH-999/mpsc-channels 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" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 2002c2fd6bc45c207fd18e4aa2ca575dad425b78c5bc387e83898d3e99e71b72 [INFO] running `Command { std: "docker" "start" "-a" "2002c2fd6bc45c207fd18e4aa2ca575dad425b78c5bc387e83898d3e99e71b72", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "2002c2fd6bc45c207fd18e4aa2ca575dad425b78c5bc387e83898d3e99e71b72", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2002c2fd6bc45c207fd18e4aa2ca575dad425b78c5bc387e83898d3e99e71b72", kill_on_drop: false }` [INFO] [stdout] 2002c2fd6bc45c207fd18e4aa2ca575dad425b78c5bc387e83898d3e99e71b72 [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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 5a4c0c3889e995679b0e97ceddf1a5bd6de386663493e515dfe1107e0368907a [INFO] running `Command { std: "docker" "start" "-a" "5a4c0c3889e995679b0e97ceddf1a5bd6de386663493e515dfe1107e0368907a", kill_on_drop: false }` [INFO] [stderr] Checking channels v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `mpsc` [INFO] [stdout] --> src/main.rs:3:17 [INFO] [stdout] | [INFO] [stdout] 3 | use std::sync::{mpsc}; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `mpsc` [INFO] [stdout] --> src/main.rs:3:17 [INFO] [stdout] | [INFO] [stdout] 3 | use std::sync::{mpsc}; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `b` [INFO] [stdout] --> src/channel.rs:29:13 [INFO] [stdout] | [INFO] [stdout] 29 | let b=Base{ [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_b` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `b` [INFO] [stdout] --> src/channel.rs:29:13 [INFO] [stdout] | [INFO] [stdout] 29 | let b=Base{ [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_b` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `data` is never read [INFO] [stdout] --> src/channel.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 7 | pub struct Base{ [INFO] [stdout] | ---- field in this struct [INFO] [stdout] 8 | data:VecDeque, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Channel` is never constructed [INFO] [stdout] --> src/channel.rs:14:12 [INFO] [stdout] | [INFO] [stdout] 14 | pub struct Channel; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> src/channel.rs:26:12 [INFO] [stdout] | [INFO] [stdout] 25 | impl Channel{ [INFO] [stdout] | ------------ associated function in this implementation [INFO] [stdout] 26 | pub fn new()->(Sender,Reciver){ [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `clone` is never used [INFO] [stdout] --> src/channel.rs:60:12 [INFO] [stdout] | [INFO] [stdout] 59 | impl Sender{ [INFO] [stdout] | ----------------- method in this implementation [INFO] [stdout] 60 | pub fn clone(&self)->Self{ [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `data` is never read [INFO] [stdout] --> src/channel.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 7 | pub struct Base{ [INFO] [stdout] | ---- field in this struct [INFO] [stdout] 8 | data:VecDeque, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Channel` is never constructed [INFO] [stdout] --> src/channel.rs:14:12 [INFO] [stdout] | [INFO] [stdout] 14 | pub struct Channel; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> src/channel.rs:26:12 [INFO] [stdout] | [INFO] [stdout] 25 | impl Channel{ [INFO] [stdout] | ------------ associated function in this implementation [INFO] [stdout] 26 | pub fn new()->(Sender,Reciver){ [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `clone` is never used [INFO] [stdout] --> src/channel.rs:60:12 [INFO] [stdout] | [INFO] [stdout] 59 | impl Sender{ [INFO] [stdout] | ----------------- method in this implementation [INFO] [stdout] 60 | pub fn clone(&self)->Self{ [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.07s [INFO] running `Command { std: "docker" "inspect" "5a4c0c3889e995679b0e97ceddf1a5bd6de386663493e515dfe1107e0368907a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5a4c0c3889e995679b0e97ceddf1a5bd6de386663493e515dfe1107e0368907a", kill_on_drop: false }` [INFO] [stdout] 5a4c0c3889e995679b0e97ceddf1a5bd6de386663493e515dfe1107e0368907a