[INFO] updating cached repository https://github.com/WHYjun/rust-101 [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }` [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 5a36003ab21b83f82c99002dcb6c7166585a18b6 [INFO] testing WHYjun/rust-101 against beta-2020-07-24 for beta-1.46-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWHYjun%2Frust-101" "/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/WHYjun/rust-101 on toolchain beta-2020-07-24 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/WHYjun/rust-101 [INFO] finished tweaking git repo https://github.com/WHYjun/rust-101 [INFO] tweaked toml for git repo https://github.com/WHYjun/rust-101 written to /workspace/builds/worker-1/source/Cargo.toml [INFO] crate git repo https://github.com/WHYjun/rust-101 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "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] 83162a46febcaf66063c0ab2bc72139fe2051a7395f2c921a884cf01956a239b [INFO] running `Command { std: "docker" "start" "-a" "83162a46febcaf66063c0ab2bc72139fe2051a7395f2c921a884cf01956a239b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "83162a46febcaf66063c0ab2bc72139fe2051a7395f2c921a884cf01956a239b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "83162a46febcaf66063c0ab2bc72139fe2051a7395f2c921a884cf01956a239b", kill_on_drop: false }` [INFO] [stdout] 83162a46febcaf66063c0ab2bc72139fe2051a7395f2c921a884cf01956a239b [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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 73bfb4873786d66777749246e19675a59b85f306c421d4742b06ff710d905d03 [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" "73bfb4873786d66777749246e19675a59b85f306c421d4742b06ff710d905d03", kill_on_drop: false }` [INFO] [stderr] Compiling rust-101-workspace v0.0.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/part11.rs:15:24 [INFO] [stdout] | [INFO] [stdout] 15 | callbacks: Vec>, [INFO] [stdout] | ^^^^^^^^^^ help: use `dyn`: `dyn FnMut(i32)` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/part11.rs:25:46 [INFO] [stdout] | [INFO] [stdout] 25 | pub fn register(&mut self, callback: Box) { [INFO] [stdout] | ^^^^^^^^^^ help: use `dyn`: `dyn FnMut(i32)` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/part12.rs:11:23 [INFO] [stdout] | [INFO] [stdout] 11 | callbacks: Vec>, [INFO] [stdout] | ^^^^^^^ help: use `dyn`: `dyn Fn(i32)` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/part12.rs:68:31 [INFO] [stdout] | [INFO] [stdout] 68 | callbacks: Vec>>, [INFO] [stdout] | ^^^^^^^^^^ help: use `dyn`: `dyn FnMut(i32)` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.14s [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "73bfb4873786d66777749246e19675a59b85f306c421d4742b06ff710d905d03", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "73bfb4873786d66777749246e19675a59b85f306c421d4742b06ff710d905d03", kill_on_drop: false }` [INFO] [stdout] 73bfb4873786d66777749246e19675a59b85f306c421d4742b06ff710d905d03 [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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 73d780576f6fbfbc54a70ae2b4690de5964c654769c271e7d3bc3a41a0ed2527 [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" "73d780576f6fbfbc54a70ae2b4690de5964c654769c271e7d3bc3a41a0ed2527", kill_on_drop: false }` [INFO] [stderr] Compiling rust-101-workspace v0.0.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/part11.rs:15:24 [INFO] [stdout] | [INFO] [stdout] 15 | callbacks: Vec>, [INFO] [stdout] | ^^^^^^^^^^ help: use `dyn`: `dyn FnMut(i32)` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/part11.rs:25:46 [INFO] [stdout] | [INFO] [stdout] 25 | pub fn register(&mut self, callback: Box) { [INFO] [stdout] | ^^^^^^^^^^ help: use `dyn`: `dyn FnMut(i32)` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/part12.rs:11:23 [INFO] [stdout] | [INFO] [stdout] 11 | callbacks: Vec>, [INFO] [stdout] | ^^^^^^^ help: use `dyn`: `dyn Fn(i32)` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/part12.rs:68:31 [INFO] [stdout] | [INFO] [stdout] 68 | callbacks: Vec>>, [INFO] [stdout] | ^^^^^^^^^^ help: use `dyn`: `dyn FnMut(i32)` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.23s [INFO] running `Command { std: "docker" "inspect" "73d780576f6fbfbc54a70ae2b4690de5964c654769c271e7d3bc3a41a0ed2527", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "73d780576f6fbfbc54a70ae2b4690de5964c654769c271e7d3bc3a41a0ed2527", kill_on_drop: false }` [INFO] [stdout] 73d780576f6fbfbc54a70ae2b4690de5964c654769c271e7d3bc3a41a0ed2527 [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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 6ebf662c110e89db6bb187aa0fc91b918493ff9c6df8f2a4e97c97d33e78dfce [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" "6ebf662c110e89db6bb187aa0fc91b918493ff9c6df8f2a4e97c97d33e78dfce", kill_on_drop: false }` [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/part11.rs:15:24 [INFO] [stderr] | [INFO] [stderr] 15 | callbacks: Vec>, [INFO] [stderr] | ^^^^^^^^^^ help: use `dyn`: `dyn FnMut(i32)` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/part11.rs:25:46 [INFO] [stderr] | [INFO] [stderr] 25 | pub fn register(&mut self, callback: Box) { [INFO] [stderr] | ^^^^^^^^^^ help: use `dyn`: `dyn FnMut(i32)` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/part12.rs:11:23 [INFO] [stderr] | [INFO] [stderr] 11 | callbacks: Vec>, [INFO] [stderr] | ^^^^^^^ help: use `dyn`: `dyn Fn(i32)` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/part12.rs:68:31 [INFO] [stderr] | [INFO] [stderr] 68 | callbacks: Vec>>, [INFO] [stderr] | ^^^^^^^^^^ help: use `dyn`: `dyn FnMut(i32)` [INFO] [stderr] [INFO] [stderr] warning: 4 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.03s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/rust_101_workspace-039c2dfd33fde93c [INFO] [stdout] [INFO] [stdout] running 6 tests [INFO] [stdout] test part07::test_min ... ok [INFO] [stdout] test part07::test_vec_min ... ok [INFO] [stdout] test part07::test_vec_min_on_from_vec ... ok [INFO] [stderr] [INFO] [stderr] thread 'part08::test_overflowing_add' has overflowed its stack [INFO] [stderr] fatal runtime error: stack overflow [INFO] [stderr] error: test failed, to rerun pass '--bin rust-101-workspace' [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/rustwide/target/debug/deps/rust_101_workspace-039c2dfd33fde93c` (signal: 6, SIGABRT: process abort signal) [INFO] running `Command { std: "docker" "inspect" "6ebf662c110e89db6bb187aa0fc91b918493ff9c6df8f2a4e97c97d33e78dfce", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6ebf662c110e89db6bb187aa0fc91b918493ff9c6df8f2a4e97c97d33e78dfce", kill_on_drop: false }` [INFO] [stdout] 6ebf662c110e89db6bb187aa0fc91b918493ff9c6df8f2a4e97c97d33e78dfce