[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 master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fadicatana%2Fhello_rust" "/workspace/builds/worker-3/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/adicatana/hello_rust on toolchain 62efba8a050c64249dab942951bb28f710208bc8 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "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-3/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" "+62efba8a050c64249dab942951bb28f710208bc8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 5e7834e8789be05ce8e2f3ec5ef3c284ffe0dbe8636c41bf623499b1811784c5 [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" "5e7834e8789be05ce8e2f3ec5ef3c284ffe0dbe8636c41bf623499b1811784c5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "5e7834e8789be05ce8e2f3ec5ef3c284ffe0dbe8636c41bf623499b1811784c5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5e7834e8789be05ce8e2f3ec5ef3c284ffe0dbe8636c41bf623499b1811784c5", kill_on_drop: false }` [INFO] [stdout] 5e7834e8789be05ce8e2f3ec5ef3c284ffe0dbe8636c41bf623499b1811784c5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] cb3773a8e868ccf0a66034d4c1c81e80744d053c68b2905a44e4b7f289e3d378 [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" "cb3773a8e868ccf0a66034d4c1c81e80744d053c68b2905a44e4b7f289e3d378", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.40 [INFO] [stderr] Compiling rand v0.4.2 [INFO] [stderr] Compiling rand v0.3.22 [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 3.67s [INFO] running `Command { std: "docker" "inspect" "cb3773a8e868ccf0a66034d4c1c81e80744d053c68b2905a44e4b7f289e3d378", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cb3773a8e868ccf0a66034d4c1c81e80744d053c68b2905a44e4b7f289e3d378", kill_on_drop: false }` [INFO] [stdout] cb3773a8e868ccf0a66034d4c1c81e80744d053c68b2905a44e4b7f289e3d378 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen" "--no-run" "--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] d4c62869b9e7d63baccbb2cd94382b3938f10e02f366672d91e7cf9778048d3d [INFO] running `Command { std: "docker" "start" "-a" "d4c62869b9e7d63baccbb2cd94382b3938f10e02f366672d91e7cf9778048d3d", 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: 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: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 22.70s [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "d4c62869b9e7d63baccbb2cd94382b3938f10e02f366672d91e7cf9778048d3d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d4c62869b9e7d63baccbb2cd94382b3938f10e02f366672d91e7cf9778048d3d", kill_on_drop: false }` [INFO] [stdout] d4c62869b9e7d63baccbb2cd94382b3938f10e02f366672d91e7cf9778048d3d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] c1ccde1fda1dd4fd198551d9fb1bd744ed37c93ba752ce8cc7c4e9a0ba4b744d [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" "c1ccde1fda1dd4fd198551d9fb1bd744ed37c93ba752ce8cc7c4e9a0ba4b744d", kill_on_drop: false }` [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/guessing_game.rs:15:13 [INFO] [stderr] | [INFO] [stderr] 15 | let mut guess = make_guess(); [INFO] [stderr] | ----^^^^^ [INFO] [stderr] | | [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: `hello_rust` (lib test) generated 1 warning (1 duplicate) [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` (bin "hello_rust" test) generated 4 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.02s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/hello_rust-25f4187208fbf23c) [INFO] [stdout] [INFO] [stdout] running 2 tests [INFO] [stdout] test two_sum::tests::two_pairs ... ok [INFO] [stdout] test two_sum::tests::one_pair ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [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" "c1ccde1fda1dd4fd198551d9fb1bd744ed37c93ba752ce8cc7c4e9a0ba4b744d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c1ccde1fda1dd4fd198551d9fb1bd744ed37c93ba752ce8cc7c4e9a0ba4b744d", kill_on_drop: false }` [INFO] [stdout] c1ccde1fda1dd4fd198551d9fb1bd744ed37c93ba752ce8cc7c4e9a0ba4b744d