[INFO] cloning repository https://github.com/TrueWarg/f-vm [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/TrueWarg/f-vm" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTrueWarg%2Ff-vm", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTrueWarg%2Ff-vm'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 5240308c3b12c8f0e1542f14e67c1133fc41d5dc [INFO] testing TrueWarg/f-vm against try#d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2 for pr-86479 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTrueWarg%2Ff-vm" "/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/TrueWarg/f-vm on toolchain d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/TrueWarg/f-vm [INFO] finished tweaking git repo https://github.com/TrueWarg/f-vm [INFO] tweaked toml for git repo https://github.com/TrueWarg/f-vm written to /workspace/builds/worker-1/source/Cargo.toml [INFO] crate git repo https://github.com/TrueWarg/f-vm already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 6025e3be150e0dac3e8b771018fbedce6e6bb29faeefe6e38598d7ed4533565c [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" "6025e3be150e0dac3e8b771018fbedce6e6bb29faeefe6e38598d7ed4533565c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "6025e3be150e0dac3e8b771018fbedce6e6bb29faeefe6e38598d7ed4533565c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6025e3be150e0dac3e8b771018fbedce6e6bb29faeefe6e38598d7ed4533565c", kill_on_drop: false }` [INFO] [stdout] 6025e3be150e0dac3e8b771018fbedce6e6bb29faeefe6e38598d7ed4533565c [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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 0cf93ccad4603bbac124abbe894014b61f062a97e2c0d499968311a006f0d331 [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" "0cf93ccad4603bbac124abbe894014b61f062a97e2c0d499968311a006f0d331", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Compiling libc v0.2.62 [INFO] [stderr] Compiling failure_derive v0.1.5 [INFO] [stderr] Compiling quote v0.6.13 [INFO] [stderr] Compiling backtrace-sys v0.1.31 [INFO] [stderr] Compiling backtrace v0.3.37 [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Compiling synstructure v0.10.2 [INFO] [stderr] Compiling failure v0.1.5 [INFO] [stderr] Compiling f-vm v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `failure::Fail` [INFO] [stdout] --> src/virtual_stack_machine.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use failure::Fail; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Push` [INFO] [stdout] --> src/virtual_stack_machine.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 10 | Push(i32), [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Add` [INFO] [stdout] --> src/virtual_stack_machine.rs:11:5 [INFO] [stdout] | [INFO] [stdout] 11 | Add, [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `AddAssign` [INFO] [stdout] --> src/virtual_stack_machine.rs:12:5 [INFO] [stdout] | [INFO] [stdout] 12 | AddAssign(i32), [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Subtract` [INFO] [stdout] --> src/virtual_stack_machine.rs:13:5 [INFO] [stdout] | [INFO] [stdout] 13 | Subtract, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `SubtractAssign` [INFO] [stdout] --> src/virtual_stack_machine.rs:14:5 [INFO] [stdout] | [INFO] [stdout] 14 | SubtractAssign(i32) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/virtual_stack_machine.rs:55:8 [INFO] [stdout] | [INFO] [stdout] 55 | fn new(stack: Vec) -> Vm { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `apply_for_last_and_push` [INFO] [stdout] --> src/virtual_stack_machine.rs:69:4 [INFO] [stdout] | [INFO] [stdout] 69 | fn apply_for_last_and_push(mut stack: Vec, apply: F) -> Result, StackError> [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `apply_for_two_last_and_push` [INFO] [stdout] --> src/virtual_stack_machine.rs:78:4 [INFO] [stdout] | [INFO] [stdout] 78 | fn apply_for_two_last_and_push(mut stack: Vec, apply: F) -> Result, StackError> [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum is never used: `StackError` [INFO] [stdout] --> src/virtual_stack_machine.rs:90:6 [INFO] [stdout] | [INFO] [stdout] 90 | enum StackError { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 10 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 12.76s [INFO] running `Command { std: "docker" "inspect" "0cf93ccad4603bbac124abbe894014b61f062a97e2c0d499968311a006f0d331", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0cf93ccad4603bbac124abbe894014b61f062a97e2c0d499968311a006f0d331", kill_on_drop: false }` [INFO] [stdout] 0cf93ccad4603bbac124abbe894014b61f062a97e2c0d499968311a006f0d331 [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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] dbdf58635695fb636d57a80632fa85e70fdc912461f80fb4784c2eefff2128e0 [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" "dbdf58635695fb636d57a80632fa85e70fdc912461f80fb4784c2eefff2128e0", kill_on_drop: false }` [INFO] [stderr] Compiling f-vm v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `failure::Fail` [INFO] [stdout] --> src/virtual_stack_machine.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use failure::Fail; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Push` [INFO] [stdout] --> src/virtual_stack_machine.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 10 | Push(i32), [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Add` [INFO] [stdout] --> src/virtual_stack_machine.rs:11:5 [INFO] [stdout] | [INFO] [stdout] 11 | Add, [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `AddAssign` [INFO] [stdout] --> src/virtual_stack_machine.rs:12:5 [INFO] [stdout] | [INFO] [stdout] 12 | AddAssign(i32), [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Subtract` [INFO] [stdout] --> src/virtual_stack_machine.rs:13:5 [INFO] [stdout] | [INFO] [stdout] 13 | Subtract, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `SubtractAssign` [INFO] [stdout] --> src/virtual_stack_machine.rs:14:5 [INFO] [stdout] | [INFO] [stdout] 14 | SubtractAssign(i32) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/virtual_stack_machine.rs:55:8 [INFO] [stdout] | [INFO] [stdout] 55 | fn new(stack: Vec) -> Vm { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `apply_for_last_and_push` [INFO] [stdout] --> src/virtual_stack_machine.rs:69:4 [INFO] [stdout] | [INFO] [stdout] 69 | fn apply_for_last_and_push(mut stack: Vec, apply: F) -> Result, StackError> [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `apply_for_two_last_and_push` [INFO] [stdout] --> src/virtual_stack_machine.rs:78:4 [INFO] [stdout] | [INFO] [stdout] 78 | fn apply_for_two_last_and_push(mut stack: Vec, apply: F) -> Result, StackError> [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum is never used: `StackError` [INFO] [stdout] --> src/virtual_stack_machine.rs:90:6 [INFO] [stdout] | [INFO] [stdout] 90 | enum StackError { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 10 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.49s [INFO] running `Command { std: "docker" "inspect" "dbdf58635695fb636d57a80632fa85e70fdc912461f80fb4784c2eefff2128e0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "dbdf58635695fb636d57a80632fa85e70fdc912461f80fb4784c2eefff2128e0", kill_on_drop: false }` [INFO] [stdout] dbdf58635695fb636d57a80632fa85e70fdc912461f80fb4784c2eefff2128e0 [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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 2d2477572d0ce45b44dd2850a53fee0ab0199ac0a005e55ede5c82178814d39e [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" "2d2477572d0ce45b44dd2850a53fee0ab0199ac0a005e55ede5c82178814d39e", kill_on_drop: false }` [INFO] [stderr] warning: unused import: `failure::Fail` [INFO] [stderr] --> src/virtual_stack_machine.rs:2:5 [INFO] [stderr] | [INFO] [stderr] 2 | use failure::Fail; [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Push` [INFO] [stderr] --> src/virtual_stack_machine.rs:10:5 [INFO] [stderr] | [INFO] [stderr] 10 | Push(i32), [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Add` [INFO] [stderr] --> src/virtual_stack_machine.rs:11:5 [INFO] [stderr] | [INFO] [stderr] 11 | Add, [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `AddAssign` [INFO] [stderr] --> src/virtual_stack_machine.rs:12:5 [INFO] [stderr] | [INFO] [stderr] 12 | AddAssign(i32), [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Subtract` [INFO] [stderr] --> src/virtual_stack_machine.rs:13:5 [INFO] [stderr] | [INFO] [stderr] 13 | Subtract, [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `SubtractAssign` [INFO] [stderr] --> src/virtual_stack_machine.rs:14:5 [INFO] [stderr] | [INFO] [stderr] 14 | SubtractAssign(i32) [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `new` [INFO] [stderr] --> src/virtual_stack_machine.rs:55:8 [INFO] [stderr] | [INFO] [stderr] 55 | fn new(stack: Vec) -> Vm { [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `apply_for_last_and_push` [INFO] [stderr] --> src/virtual_stack_machine.rs:69:4 [INFO] [stderr] | [INFO] [stderr] 69 | fn apply_for_last_and_push(mut stack: Vec, apply: F) -> Result, StackError> [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `apply_for_two_last_and_push` [INFO] [stderr] --> src/virtual_stack_machine.rs:78:4 [INFO] [stderr] | [INFO] [stderr] 78 | fn apply_for_two_last_and_push(mut stack: Vec, apply: F) -> Result, StackError> [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: enum is never used: `StackError` [INFO] [stderr] --> src/virtual_stack_machine.rs:90:6 [INFO] [stderr] | [INFO] [stderr] 90 | enum StackError { [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: `f-vm` (bin "f-vm" test) generated 10 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.03s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/f_vm-721a875e01a92728) [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" "2d2477572d0ce45b44dd2850a53fee0ab0199ac0a005e55ede5c82178814d39e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2d2477572d0ce45b44dd2850a53fee0ab0199ac0a005e55ede5c82178814d39e", kill_on_drop: false }` [INFO] [stdout] 2d2477572d0ce45b44dd2850a53fee0ab0199ac0a005e55ede5c82178814d39e