[INFO] cloning repository https://github.com/loonbell/rsmatrix [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/loonbell/rsmatrix" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Floonbell%2Frsmatrix", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Floonbell%2Frsmatrix'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] bf84b25ba797c3132c6dca344d76eaa22890d215 [INFO] testing loonbell/rsmatrix against 1.55.0 for beta-1.56-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Floonbell%2Frsmatrix" "/workspace/builds/worker-0/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/loonbell/rsmatrix on toolchain 1.55.0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/loonbell/rsmatrix [INFO] finished tweaking git repo https://github.com/loonbell/rsmatrix [INFO] tweaked toml for git repo https://github.com/loonbell/rsmatrix written to /workspace/builds/worker-0/source/Cargo.toml [INFO] crate git repo https://github.com/loonbell/rsmatrix already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 04442095d12b4d81038b4665f20e0c39143beacb85d8d6888569b5ffb1b4f535 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "04442095d12b4d81038b4665f20e0c39143beacb85d8d6888569b5ffb1b4f535", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "04442095d12b4d81038b4665f20e0c39143beacb85d8d6888569b5ffb1b4f535", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "04442095d12b4d81038b4665f20e0c39143beacb85d8d6888569b5ffb1b4f535", kill_on_drop: false }` [INFO] [stdout] 04442095d12b4d81038b4665f20e0c39143beacb85d8d6888569b5ffb1b4f535 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 9139443d23cea44b8a523bd03a07380a9f6264b0c56de3e147688bdc5adfb8dc [INFO] running `Command { std: "docker" "start" "-a" "9139443d23cea44b8a523bd03a07380a9f6264b0c56de3e147688bdc5adfb8dc", kill_on_drop: false }` [INFO] [stderr] Compiling rsmatrix v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable `term_size` is assigned to, but never used [INFO] [stdout] --> src/main.rs:15:13 [INFO] [stdout] | [INFO] [stdout] 15 | let mut term_size: libc::winsize; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] = note: consider using `_term_size` instead [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `term_size` is never read [INFO] [stdout] --> src/main.rs:35:13 [INFO] [stdout] | [INFO] [stdout] 35 | term_size = check_size().expect("Can't find terminal size, aborting"); [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `matrix` [INFO] [stdout] --> src/main.rs:76:18 [INFO] [stdout] | [INFO] [stdout] 76 | fn update_matrix(matrix: &Vec>, term_size: &libc::winsize) [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_matrix` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `term_size` [INFO] [stdout] --> src/main.rs:76:46 [INFO] [stdout] | [INFO] [stdout] 76 | fn update_matrix(matrix: &Vec>, term_size: &libc::winsize) [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_term_size` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `new_matrix` [INFO] [stdout] --> src/main.rs:67:4 [INFO] [stdout] | [INFO] [stdout] 67 | fn new_matrix(term_size: &libc::winsize) -> Vec> [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `update_matrix` [INFO] [stdout] --> src/main.rs:76:4 [INFO] [stdout] | [INFO] [stdout] 76 | fn update_matrix(matrix: &Vec>, term_size: &libc::winsize) [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `print_matrix` [INFO] [stdout] --> src/main.rs:90:4 [INFO] [stdout] | [INFO] [stdout] 90 | fn print_matrix() [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.07s [INFO] running `Command { std: "docker" "inspect" "9139443d23cea44b8a523bd03a07380a9f6264b0c56de3e147688bdc5adfb8dc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9139443d23cea44b8a523bd03a07380a9f6264b0c56de3e147688bdc5adfb8dc", kill_on_drop: false }` [INFO] [stdout] 9139443d23cea44b8a523bd03a07380a9f6264b0c56de3e147688bdc5adfb8dc [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 8727e3b16e2ebb02d807fd4d97bb8f9552f2b5160f96ee25834eb5c9f6b6632d [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "8727e3b16e2ebb02d807fd4d97bb8f9552f2b5160f96ee25834eb5c9f6b6632d", kill_on_drop: false }` [INFO] [stderr] Compiling rsmatrix v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable `term_size` is assigned to, but never used [INFO] [stdout] --> src/main.rs:15:13 [INFO] [stdout] | [INFO] [stdout] 15 | let mut term_size: libc::winsize; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] = note: consider using `_term_size` instead [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `term_size` is never read [INFO] [stdout] --> src/main.rs:35:13 [INFO] [stdout] | [INFO] [stdout] 35 | term_size = check_size().expect("Can't find terminal size, aborting"); [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `matrix` [INFO] [stdout] --> src/main.rs:76:18 [INFO] [stdout] | [INFO] [stdout] 76 | fn update_matrix(matrix: &Vec>, term_size: &libc::winsize) [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_matrix` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `term_size` [INFO] [stdout] --> src/main.rs:76:46 [INFO] [stdout] | [INFO] [stdout] 76 | fn update_matrix(matrix: &Vec>, term_size: &libc::winsize) [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_term_size` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `new_matrix` [INFO] [stdout] --> src/main.rs:67:4 [INFO] [stdout] | [INFO] [stdout] 67 | fn new_matrix(term_size: &libc::winsize) -> Vec> [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `update_matrix` [INFO] [stdout] --> src/main.rs:76:4 [INFO] [stdout] | [INFO] [stdout] 76 | fn update_matrix(matrix: &Vec>, term_size: &libc::winsize) [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `print_matrix` [INFO] [stdout] --> src/main.rs:90:4 [INFO] [stdout] | [INFO] [stdout] 90 | fn print_matrix() [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.86s [INFO] running `Command { std: "docker" "inspect" "8727e3b16e2ebb02d807fd4d97bb8f9552f2b5160f96ee25834eb5c9f6b6632d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8727e3b16e2ebb02d807fd4d97bb8f9552f2b5160f96ee25834eb5c9f6b6632d", kill_on_drop: false }` [INFO] [stdout] 8727e3b16e2ebb02d807fd4d97bb8f9552f2b5160f96ee25834eb5c9f6b6632d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 9062e99dd28e26a63e9c09e394a5baf58bd6a865d27ce7d43c73c138082959d7 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "9062e99dd28e26a63e9c09e394a5baf58bd6a865d27ce7d43c73c138082959d7", kill_on_drop: false }` [INFO] [stdout] [INFO] [stderr] warning: variable `term_size` is assigned to, but never used [INFO] [stdout] running 0 tests [INFO] [stderr] --> src/main.rs:15:13 [INFO] [stdout] [INFO] [stderr] | [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stderr] 15 | let mut term_size: libc::winsize; [INFO] [stdout] [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] = note: consider using `_term_size` instead [INFO] [stderr] [INFO] [stderr] warning: value assigned to `term_size` is never read [INFO] [stderr] --> src/main.rs:35:13 [INFO] [stderr] | [INFO] [stderr] 35 | term_size = check_size().expect("Can't find terminal size, aborting"); [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_assignments)]` on by default [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: unused variable: `matrix` [INFO] [stderr] --> src/main.rs:76:18 [INFO] [stderr] | [INFO] [stderr] 76 | fn update_matrix(matrix: &Vec>, term_size: &libc::winsize) [INFO] [stderr] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_matrix` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `term_size` [INFO] [stderr] --> src/main.rs:76:46 [INFO] [stderr] | [INFO] [stderr] 76 | fn update_matrix(matrix: &Vec>, term_size: &libc::winsize) [INFO] [stderr] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_term_size` [INFO] [stderr] [INFO] [stderr] warning: function is never used: `new_matrix` [INFO] [stderr] --> src/main.rs:67:4 [INFO] [stderr] | [INFO] [stderr] 67 | fn new_matrix(term_size: &libc::winsize) -> Vec> [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `update_matrix` [INFO] [stderr] --> src/main.rs:76:4 [INFO] [stderr] | [INFO] [stderr] 76 | fn update_matrix(matrix: &Vec>, term_size: &libc::winsize) [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `print_matrix` [INFO] [stderr] --> src/main.rs:90:4 [INFO] [stderr] | [INFO] [stderr] 90 | fn print_matrix() [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: `rsmatrix` (bin "rsmatrix" test) generated 7 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.01s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/rsmatrix-691cab5b4199b171) [INFO] running `Command { std: "docker" "inspect" "9062e99dd28e26a63e9c09e394a5baf58bd6a865d27ce7d43c73c138082959d7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9062e99dd28e26a63e9c09e394a5baf58bd6a865d27ce7d43c73c138082959d7", kill_on_drop: false }` [INFO] [stdout] 9062e99dd28e26a63e9c09e394a5baf58bd6a865d27ce7d43c73c138082959d7