[INFO] cloning repository https://github.com/itsmoirob/rust_tut [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/itsmoirob/rust_tut" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fitsmoirob%2Frust_tut", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fitsmoirob%2Frust_tut'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 2f95afffd446a8890948b74cbc2e983854b6d192 [INFO] testing itsmoirob/rust_tut against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fitsmoirob%2Frust_tut" "/workspace/builds/worker-4/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/itsmoirob/rust_tut 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/itsmoirob/rust_tut [INFO] finished tweaking git repo https://github.com/itsmoirob/rust_tut [INFO] tweaked toml for git repo https://github.com/itsmoirob/rust_tut written to /workspace/builds/worker-4/source/Cargo.toml [INFO] crate git repo https://github.com/itsmoirob/rust_tut 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-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] [stdout] fb476aa3d2007923097f04bfac4325f0f6ba38f14224136a567346302c3ead7d [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" "fb476aa3d2007923097f04bfac4325f0f6ba38f14224136a567346302c3ead7d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "fb476aa3d2007923097f04bfac4325f0f6ba38f14224136a567346302c3ead7d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fb476aa3d2007923097f04bfac4325f0f6ba38f14224136a567346302c3ead7d", kill_on_drop: false }` [INFO] [stdout] fb476aa3d2007923097f04bfac4325f0f6ba38f14224136a567346302c3ead7d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 57fa5d3aaa37e04912ebd60b07890f2c51ee80d8574755dbb7330de1e7e154fa [INFO] running `Command { std: "docker" "start" "-a" "57fa5d3aaa37e04912ebd60b07890f2c51ee80d8574755dbb7330de1e7e154fa", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.94 [INFO] [stderr] Compiling instant v0.1.9 [INFO] [stderr] Compiling parking_lot_core v0.8.3 [INFO] [stderr] Compiling parking_lot v0.11.1 [INFO] [stderr] Compiling tut v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `reference_counted` [INFO] [stdout] --> src/main.rs:89:9 [INFO] [stdout] | [INFO] [stdout] 89 | let reference_counted = Arc::new(employee_arc_lock); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_reference_counted` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `employee_mutable` [INFO] [stdout] --> src/main.rs:93:13 [INFO] [stdout] | [INFO] [stdout] 93 | let mut employee_mutable = Employee::new(String::from("Arthur_emutable"), 500); [INFO] [stdout] | ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_employee_mutable` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:93:9 [INFO] [stdout] | [INFO] [stdout] 93 | let mut employee_mutable = Employee::new(String::from("Arthur_emutable"), 500); [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: function is never used: `use_ided_impl` [INFO] [stdout] --> src/employee.rs:44:4 [INFO] [stdout] | [INFO] [stdout] 44 | fn use_ided_impl(x: impl Ided) { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `use_ided_dyn` [INFO] [stdout] --> src/employee.rs:49:4 [INFO] [stdout] | [INFO] [stdout] 49 | fn use_ided_dyn(x: Box) { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 5.33s [INFO] running `Command { std: "docker" "inspect" "57fa5d3aaa37e04912ebd60b07890f2c51ee80d8574755dbb7330de1e7e154fa", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "57fa5d3aaa37e04912ebd60b07890f2c51ee80d8574755dbb7330de1e7e154fa", kill_on_drop: false }` [INFO] [stdout] 57fa5d3aaa37e04912ebd60b07890f2c51ee80d8574755dbb7330de1e7e154fa [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 8bc6b133c9948b80c0392a1364054446e54618bc5d957b59ab8b9c4fabd6db3d [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" "8bc6b133c9948b80c0392a1364054446e54618bc5d957b59ab8b9c4fabd6db3d", kill_on_drop: false }` [INFO] [stderr] Compiling tut v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `reference_counted` [INFO] [stdout] --> src/main.rs:89:9 [INFO] [stdout] | [INFO] [stdout] 89 | let reference_counted = Arc::new(employee_arc_lock); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_reference_counted` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `employee_mutable` [INFO] [stdout] --> src/main.rs:93:13 [INFO] [stdout] | [INFO] [stdout] 93 | let mut employee_mutable = Employee::new(String::from("Arthur_emutable"), 500); [INFO] [stdout] | ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_employee_mutable` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:93:9 [INFO] [stdout] | [INFO] [stdout] 93 | let mut employee_mutable = Employee::new(String::from("Arthur_emutable"), 500); [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: function is never used: `use_ided_impl` [INFO] [stdout] --> src/employee.rs:44:4 [INFO] [stdout] | [INFO] [stdout] 44 | fn use_ided_impl(x: impl Ided) { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `use_ided_dyn` [INFO] [stdout] --> src/employee.rs:49:4 [INFO] [stdout] | [INFO] [stdout] 49 | fn use_ided_dyn(x: Box) { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.89s [INFO] running `Command { std: "docker" "inspect" "8bc6b133c9948b80c0392a1364054446e54618bc5d957b59ab8b9c4fabd6db3d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8bc6b133c9948b80c0392a1364054446e54618bc5d957b59ab8b9c4fabd6db3d", kill_on_drop: false }` [INFO] [stdout] 8bc6b133c9948b80c0392a1364054446e54618bc5d957b59ab8b9c4fabd6db3d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] c6bfbcbd18e151c57547748851e042d8e5e2445b3b9543f7bc032da3a6d36856 [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" "c6bfbcbd18e151c57547748851e042d8e5e2445b3b9543f7bc032da3a6d36856", kill_on_drop: false }` [INFO] [stderr] warning: unused variable: `reference_counted` [INFO] [stderr] --> src/main.rs:89:9 [INFO] [stderr] | [INFO] [stderr] 89 | let reference_counted = Arc::new(employee_arc_lock); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_reference_counted` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `employee_mutable` [INFO] [stderr] --> src/main.rs:93:13 [INFO] [stderr] | [INFO] [stderr] 93 | let mut employee_mutable = Employee::new(String::from("Arthur_emutable"), 500); [INFO] [stderr] | ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_employee_mutable` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:93:9 [INFO] [stderr] | [INFO] [stderr] 93 | let mut employee_mutable = Employee::new(String::from("Arthur_emutable"), 500); [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: function is never used: `use_ided_impl` [INFO] [stderr] --> src/employee.rs:44:4 [INFO] [stderr] | [INFO] [stderr] 44 | fn use_ided_impl(x: impl Ided) { [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `use_ided_dyn` [INFO] [stderr] --> src/employee.rs:49:4 [INFO] [stderr] | [INFO] [stderr] 49 | fn use_ided_dyn(x: Box) { [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: `tut` (bin "tut" test) generated 5 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.03s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/tut-7b640154102552a8) [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/tut-fa89b5e0c541bf6b) [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] [stderr] Doc-tests tut [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] [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" "c6bfbcbd18e151c57547748851e042d8e5e2445b3b9543f7bc032da3a6d36856", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c6bfbcbd18e151c57547748851e042d8e5e2445b3b9543f7bc032da3a6d36856", kill_on_drop: false }` [INFO] [stdout] c6bfbcbd18e151c57547748851e042d8e5e2445b3b9543f7bc032da3a6d36856