[INFO] cloning repository https://github.com/kazchimo/purely-functional-data-stuructures.rs [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kazchimo/purely-functional-data-stuructures.rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkazchimo%2Fpurely-functional-data-stuructures.rs", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkazchimo%2Fpurely-functional-data-stuructures.rs'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 7259f58fdcce9dc859d18d9a3f24d71bebea301a [INFO] testing kazchimo/purely-functional-data-stuructures.rs against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkazchimo%2Fpurely-functional-data-stuructures.rs" "/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/kazchimo/purely-functional-data-stuructures.rs on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/kazchimo/purely-functional-data-stuructures.rs [INFO] finished tweaking git repo https://github.com/kazchimo/purely-functional-data-stuructures.rs [INFO] tweaked toml for git repo https://github.com/kazchimo/purely-functional-data-stuructures.rs written to /workspace/builds/worker-0/source/Cargo.toml [INFO] crate git repo https://github.com/kazchimo/purely-functional-data-stuructures.rs already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", 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] 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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 909cadbfd9acae4b950d5d6782cd5309e24012a7e87dde782cbb85be52e0d2b0 [INFO] running `Command { std: "docker" "start" "-a" "909cadbfd9acae4b950d5d6782cd5309e24012a7e87dde782cbb85be52e0d2b0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "909cadbfd9acae4b950d5d6782cd5309e24012a7e87dde782cbb85be52e0d2b0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "909cadbfd9acae4b950d5d6782cd5309e24012a7e87dde782cbb85be52e0d2b0", kill_on_drop: false }` [INFO] [stdout] 909cadbfd9acae4b950d5d6782cd5309e24012a7e87dde782cbb85be52e0d2b0 [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=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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 5890041ed4529c9065ed135d122552fbd8899384672d0bb39fdc63566d435adb [INFO] running `Command { std: "docker" "start" "-a" "5890041ed4529c9065ed135d122552fbd8899384672d0bb39fdc63566d435adb", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling purely-functional-data-structures v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variant is never constructed: `Nil` [INFO] [stdout] --> src/list.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | Nil, [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Cons` [INFO] [stdout] --> src/list.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | Cons(&'a T, Box<&'a List<'a, T>>), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `empty` [INFO] [stdout] --> src/list.rs:10:8 [INFO] [stdout] | [INFO] [stdout] 10 | fn empty() -> List<'static, T> { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `one` [INFO] [stdout] --> src/list.rs:14:8 [INFO] [stdout] | [INFO] [stdout] 14 | fn one(a: &T) -> List { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `cons` [INFO] [stdout] --> src/list.rs:18:8 [INFO] [stdout] | [INFO] [stdout] 18 | fn cons<'a>(x: &'a T, s: &'a List) -> List<'a, T> { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `is_empty` [INFO] [stdout] --> src/list.rs:22:8 [INFO] [stdout] | [INFO] [stdout] 22 | fn is_empty(&self) -> bool { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `head` [INFO] [stdout] --> src/list.rs:29:8 [INFO] [stdout] | [INFO] [stdout] 29 | fn head(&self) -> &T { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `tail` [INFO] [stdout] --> src/list.rs:36:8 [INFO] [stdout] | [INFO] [stdout] 36 | fn tail(&self) -> &List<'_, T> { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.43s [INFO] running `Command { std: "docker" "inspect" "5890041ed4529c9065ed135d122552fbd8899384672d0bb39fdc63566d435adb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5890041ed4529c9065ed135d122552fbd8899384672d0bb39fdc63566d435adb", kill_on_drop: false }` [INFO] [stdout] 5890041ed4529c9065ed135d122552fbd8899384672d0bb39fdc63566d435adb [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=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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 0d746f1c0c332457dc7cc453c38f89752ec5bd4b1c593e41afc407524928c509 [INFO] running `Command { std: "docker" "start" "-a" "0d746f1c0c332457dc7cc453c38f89752ec5bd4b1c593e41afc407524928c509", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stdout] warning: variant is never constructed: `Nil` [INFO] [stdout] --> src/list.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | Nil, [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling purely-functional-data-structures v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variant is never constructed: `Cons` [INFO] [stdout] --> src/list.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | Cons(&'a T, Box<&'a List<'a, T>>), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `empty` [INFO] [stdout] --> src/list.rs:10:8 [INFO] [stdout] | [INFO] [stdout] 10 | fn empty() -> List<'static, T> { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `one` [INFO] [stdout] --> src/list.rs:14:8 [INFO] [stdout] | [INFO] [stdout] 14 | fn one(a: &T) -> List { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `cons` [INFO] [stdout] --> src/list.rs:18:8 [INFO] [stdout] | [INFO] [stdout] 18 | fn cons<'a>(x: &'a T, s: &'a List) -> List<'a, T> { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `is_empty` [INFO] [stdout] --> src/list.rs:22:8 [INFO] [stdout] | [INFO] [stdout] 22 | fn is_empty(&self) -> bool { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `head` [INFO] [stdout] --> src/list.rs:29:8 [INFO] [stdout] | [INFO] [stdout] 29 | fn head(&self) -> &T { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `tail` [INFO] [stdout] --> src/list.rs:36:8 [INFO] [stdout] | [INFO] [stdout] 36 | fn tail(&self) -> &List<'_, T> { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 2.11s [INFO] running `Command { std: "docker" "inspect" "0d746f1c0c332457dc7cc453c38f89752ec5bd4b1c593e41afc407524928c509", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0d746f1c0c332457dc7cc453c38f89752ec5bd4b1c593e41afc407524928c509", kill_on_drop: false }` [INFO] [stdout] 0d746f1c0c332457dc7cc453c38f89752ec5bd4b1c593e41afc407524928c509 [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=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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] a5e22eaa8edc58fe33cac9fe242d0a00b88542303eb7805e5069b0ddda9dc580 [INFO] running `Command { std: "docker" "start" "-a" "a5e22eaa8edc58fe33cac9fe242d0a00b88542303eb7805e5069b0ddda9dc580", kill_on_drop: false }` [INFO] [stderr] warning: variant is never constructed: `Nil` [INFO] [stderr] --> src/list.rs:5:5 [INFO] [stderr] | [INFO] [stderr] 5 | Nil, [INFO] [stderr] | ^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Cons` [INFO] [stderr] --> src/list.rs:6:5 [INFO] [stderr] | [INFO] [stderr] 6 | Cons(&'a T, Box<&'a List<'a, T>>), [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `empty` [INFO] [stderr] --> src/list.rs:10:8 [INFO] [stderr] | [INFO] [stderr] 10 | fn empty() -> List<'static, T> { [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `one` [INFO] [stderr] --> src/list.rs:14:8 [INFO] [stderr] | [INFO] [stderr] 14 | fn one(a: &T) -> List { [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `cons` [INFO] [stderr] --> src/list.rs:18:8 [INFO] [stderr] | [INFO] [stderr] 18 | fn cons<'a>(x: &'a T, s: &'a List) -> List<'a, T> { [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `is_empty` [INFO] [stderr] --> src/list.rs:22:8 [INFO] [stderr] | [INFO] [stderr] 22 | fn is_empty(&self) -> bool { [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `head` [INFO] [stderr] --> src/list.rs:29:8 [INFO] [stderr] | [INFO] [stderr] 29 | fn head(&self) -> &T { [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `tail` [INFO] [stderr] --> src/list.rs:36:8 [INFO] [stderr] | [INFO] [stderr] 36 | fn tail(&self) -> &List<'_, T> { [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: `purely-functional-data-structures` (lib) generated 8 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.01s [INFO] [stdout] [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/purely_functional_data_structures-c0ae45bc7f61ad2a) [INFO] [stdout] running 6 tests [INFO] [stdout] test list::tests::cons ... ok [INFO] [stdout] test list::tests::head ... ok [INFO] [stdout] test list::tests::is_empty ... ok [INFO] [stdout] test list::tests::tail ... ok [INFO] [stderr] Doc-tests purely-functional-data-structures [INFO] [stdout] test list::tests::fail_head - should panic ... ok [INFO] [stdout] test list::tests::fail_tail - should panic ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s [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" "a5e22eaa8edc58fe33cac9fe242d0a00b88542303eb7805e5069b0ddda9dc580", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a5e22eaa8edc58fe33cac9fe242d0a00b88542303eb7805e5069b0ddda9dc580", kill_on_drop: false }` [INFO] [stdout] a5e22eaa8edc58fe33cac9fe242d0a00b88542303eb7805e5069b0ddda9dc580