[INFO] cloning 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" "clone" "--bare" "https://github.com/WHYjun/rust-101" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWHYjun%2Frust-101", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWHYjun%2Frust-101'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5a36003ab21b83f82c99002dcb6c7166585a18b6
[INFO] testing WHYjun/rust-101 against master#8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e for pr-74409
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWHYjun%2Frust-101" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/WHYjun/rust-101 on toolchain 8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "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-6/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" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ea8c22c2a6d45059ef9b22288af42cbcf7254f4607ac4d8ef7aff651052b01a6
[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" "ea8c22c2a6d45059ef9b22288af42cbcf7254f4607ac4d8ef7aff651052b01a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ea8c22c2a6d45059ef9b22288af42cbcf7254f4607ac4d8ef7aff651052b01a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ea8c22c2a6d45059ef9b22288af42cbcf7254f4607ac4d8ef7aff651052b01a6", kill_on_drop: false }`
[INFO] [stdout] ea8c22c2a6d45059ef9b22288af42cbcf7254f4607ac4d8ef7aff651052b01a6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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=forbid" "-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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 86f0b4d91e033a10914b327e3995faeb2426d8902e1742c5cc28eb4f148bdc8f
[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" "86f0b4d91e033a10914b327e3995faeb2426d8902e1742c5cc28eb4f148bdc8f", 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<Box<FnMut(i32)>>,
[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<FnMut(i32)>) {
[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<Rc<Fn(i32)>>,
[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<Rc<RefCell<FnMut(i32)>>>,
[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 dev [unoptimized + debuginfo] target(s) in 0.82s
[INFO] running `Command { std: "docker" "inspect" "86f0b4d91e033a10914b327e3995faeb2426d8902e1742c5cc28eb4f148bdc8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "86f0b4d91e033a10914b327e3995faeb2426d8902e1742c5cc28eb4f148bdc8f", kill_on_drop: false }`
[INFO] [stdout] 86f0b4d91e033a10914b327e3995faeb2426d8902e1742c5cc28eb4f148bdc8f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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=forbid" "-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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b47739000d7572f998209fa675686a2ffef83cf36969a7ef5eca8265b1ffc434
[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" "b47739000d7572f998209fa675686a2ffef83cf36969a7ef5eca8265b1ffc434", 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<Box<FnMut(i32)>>,
[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<FnMut(i32)>) {
[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<Rc<Fn(i32)>>,
[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<Rc<RefCell<FnMut(i32)>>>,
[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 1.03s
[INFO] running `Command { std: "docker" "inspect" "b47739000d7572f998209fa675686a2ffef83cf36969a7ef5eca8265b1ffc434", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b47739000d7572f998209fa675686a2ffef83cf36969a7ef5eca8265b1ffc434", kill_on_drop: false }`
[INFO] [stdout] b47739000d7572f998209fa675686a2ffef83cf36969a7ef5eca8265b1ffc434
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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=forbid" "-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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 204bea8fda29177bf1aecee54954a61f8feaecfdc14c1db5ae6d2f99065960d7
[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" "204bea8fda29177bf1aecee54954a61f8feaecfdc14c1db5ae6d2f99065960d7", 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<Box<FnMut(i32)>>,
[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<FnMut(i32)>) {
[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<Rc<Fn(i32)>>,
[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<Rc<RefCell<FnMut(i32)>>>,
[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 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rust_101_workspace-d08a7e6ee2b8cbc3
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test part07::test_min ... ok
[INFO] [stdout] test part07::test_vec_min_on_empty_vec ... 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-d08a7e6ee2b8cbc3` (signal: 6, SIGABRT: process abort signal)
[INFO] running `Command { std: "docker" "inspect" "204bea8fda29177bf1aecee54954a61f8feaecfdc14c1db5ae6d2f99065960d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "204bea8fda29177bf1aecee54954a61f8feaecfdc14c1db5ae6d2f99065960d7", kill_on_drop: false }`
[INFO] [stdout] 204bea8fda29177bf1aecee54954a61f8feaecfdc14c1db5ae6d2f99065960d7