[INFO] cloning repository https://github.com/adicatana/hello_rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/adicatana/hello_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fadicatana%2Fhello_rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fadicatana%2Fhello_rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] dcc5bfe6df09e1d5297eb0ca44fa4553e22db9af [INFO] testing adicatana/hello_rust against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fadicatana%2Fhello_rust" "/workspace/builds/worker-1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/adicatana/hello_rust on toolchain 722e1797249a965b6335aebd65d777f917e498f1 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/adicatana/hello_rust [INFO] finished tweaking git repo https://github.com/adicatana/hello_rust [INFO] tweaked toml for git repo https://github.com/adicatana/hello_rust written to /workspace/builds/worker-1/source/Cargo.toml [INFO] crate git repo https://github.com/adicatana/hello_rust already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", 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] f4e17c5c5aaebf94d6cc210d6cc354b051f05dd1c5677470c45d60063b8b66c7 [INFO] running `Command { std: "docker" "start" "-a" "f4e17c5c5aaebf94d6cc210d6cc354b051f05dd1c5677470c45d60063b8b66c7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f4e17c5c5aaebf94d6cc210d6cc354b051f05dd1c5677470c45d60063b8b66c7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f4e17c5c5aaebf94d6cc210d6cc354b051f05dd1c5677470c45d60063b8b66c7", kill_on_drop: false }` [INFO] [stdout] f4e17c5c5aaebf94d6cc210d6cc354b051f05dd1c5677470c45d60063b8b66c7 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 0ecc799b69abdef9e0e4976dae0052b1228eaa3cf23941602ee7bdfc08c92b9e [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" "0ecc799b69abdef9e0e4976dae0052b1228eaa3cf23941602ee7bdfc08c92b9e", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling hello_rust v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/guessing_game.rs:15:13 [INFO] [stdout] | [INFO] [stdout] 15 | let mut guess = make_guess(); [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: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant is never used: `FILE_IN` [INFO] [stdout] --> src/main.rs:12:1 [INFO] [stdout] | [INFO] [stdout] 12 | const FILE_IN: &str = "text.in"; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `custom_read` [INFO] [stdout] --> src/main.rs:42:4 [INFO] [stdout] | [INFO] [stdout] 42 | fn custom_read() { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Point` [INFO] [stdout] --> src/main.rs:70:8 [INFO] [stdout] | [INFO] [stdout] 70 | struct Point { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `x` [INFO] [stdout] --> src/main.rs:76:8 [INFO] [stdout] | [INFO] [stdout] 76 | fn x(&self) -> &T { [INFO] [stdout] | ^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 27.37s [INFO] running `Command { std: "docker" "inspect" "0ecc799b69abdef9e0e4976dae0052b1228eaa3cf23941602ee7bdfc08c92b9e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0ecc799b69abdef9e0e4976dae0052b1228eaa3cf23941602ee7bdfc08c92b9e", kill_on_drop: false }` [INFO] [stdout] 0ecc799b69abdef9e0e4976dae0052b1228eaa3cf23941602ee7bdfc08c92b9e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] fd4e243a274d7d4d798cddf5b2388ac3899c3a53f7819600d18685beaead0584 [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" "fd4e243a274d7d4d798cddf5b2388ac3899c3a53f7819600d18685beaead0584", kill_on_drop: false }` [INFO] [stderr] Compiling hello_rust v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/guessing_game.rs:15:13 [INFO] [stdout] | [INFO] [stdout] 15 | let mut guess = make_guess(); [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: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/guessing_game.rs:15:13 [INFO] [stdout] | [INFO] [stdout] 15 | let mut guess = make_guess(); [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: constant is never used: `FILE_IN` [INFO] [stdout] --> src/main.rs:12:1 [INFO] [stdout] | [INFO] [stdout] 12 | const FILE_IN: &str = "text.in"; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `custom_read` [INFO] [stdout] --> src/main.rs:42:4 [INFO] [stdout] | [INFO] [stdout] 42 | fn custom_read() { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Point` [INFO] [stdout] --> src/main.rs:70:8 [INFO] [stdout] | [INFO] [stdout] 70 | struct Point { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `x` [INFO] [stdout] --> src/main.rs:76:8 [INFO] [stdout] | [INFO] [stdout] 76 | fn x(&self) -> &T { [INFO] [stdout] | ^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.14s [INFO] running `Command { std: "docker" "inspect" "fd4e243a274d7d4d798cddf5b2388ac3899c3a53f7819600d18685beaead0584", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fd4e243a274d7d4d798cddf5b2388ac3899c3a53f7819600d18685beaead0584", kill_on_drop: false }` [INFO] [stdout] fd4e243a274d7d4d798cddf5b2388ac3899c3a53f7819600d18685beaead0584 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 2c51098497579c9f0c9e4953adda5a3a449d6098274cf8172b627e39d8a57bd5 [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" "2c51098497579c9f0c9e4953adda5a3a449d6098274cf8172b627e39d8a57bd5", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stdout] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stdout] running 2 tests [INFO] [stderr] --> src/guessing_game.rs:15:13 [INFO] [stdout] test two_sum::tests::two_pairs ... ok [INFO] [stderr] | [INFO] [stdout] test two_sum::tests::one_pair ... ok [INFO] [stderr] 15 | let mut guess = make_guess(); [INFO] [stdout] [INFO] [stderr] | ----^^^^^ [INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stderr] | | [INFO] [stdout] [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: `hello_rust` (lib) generated 1 warning [INFO] [stderr] warning: constant is never used: `FILE_IN` [INFO] [stderr] --> src/main.rs:12:1 [INFO] [stderr] | [INFO] [stderr] 12 | const FILE_IN: &str = "text.in"; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `custom_read` [INFO] [stderr] --> src/main.rs:42:4 [INFO] [stderr] | [INFO] [stderr] 42 | fn custom_read() { [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `Point` [INFO] [stderr] --> src/main.rs:70:8 [INFO] [stderr] | [INFO] [stderr] 70 | struct Point { [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `x` [INFO] [stderr] --> src/main.rs:76:8 [INFO] [stderr] | [INFO] [stderr] 76 | fn x(&self) -> &T { [INFO] [stderr] | ^ [INFO] [stderr] [INFO] [stderr] warning: `hello_rust` (lib test) generated 1 warning (1 duplicate) [INFO] [stderr] warning: `hello_rust` (bin "hello_rust" test) generated 4 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.13s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/hello_rust-25f4187208fbf23c) [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/hello_rust-66468eeb953058b6) [INFO] [stdout] [INFO] [stderr] Doc-tests hello_rust [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "2c51098497579c9f0c9e4953adda5a3a449d6098274cf8172b627e39d8a57bd5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2c51098497579c9f0c9e4953adda5a3a449d6098274cf8172b627e39d8a57bd5", kill_on_drop: false }` [INFO] [stdout] 2c51098497579c9f0c9e4953adda5a3a449d6098274cf8172b627e39d8a57bd5