[INFO] cloning repository https://github.com/ekg/sesebub
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ekg/sesebub" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fekg%2Fsesebub", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fekg%2Fsesebub'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7c35884995674451ae8ba208bfeea9ea67b6ce56
[INFO] checking ekg/sesebub against be3da1e8c043bb6f1f335463d3b1335cdf50b03c for pr-162597
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fekg%2Fsesebub" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/ekg/sesebub
[INFO] finished tweaking git repo https://github.com/ekg/sesebub
[INFO] tweaked toml for git repo https://github.com/ekg/sesebub written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/ekg/sesebub on toolchain be3da1e8c043bb6f1f335463d3b1335cdf50b03c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+be3da1e8c043bb6f1f335463d3b1335cdf50b03c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/ekg/sesebub already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+be3da1e8c043bb6f1f335463d3b1335cdf50b03c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded linked-list v0.0.3
[INFO] [stderr]   Downloaded dot-writer v0.1.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:8683fc1fc2eb5c9ac98e0d076ab094b2ffac7f99da555d2b6a2e27f346de2ec7" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 9743d0145edd8b186783a6be0e6feb31f11750f1d14229e7b6949bf21356a033
[INFO] running `Command { std: "docker" "start" "9743d0145edd8b186783a6be0e6feb31f11750f1d14229e7b6949bf21356a033", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9743d0145edd8b186783a6be0e6feb31f11750f1d14229e7b6949bf21356a033", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "9743d0145edd8b186783a6be0e6feb31f11750f1d14229e7b6949bf21356a033" "/opt/rustwide/cargo-home/bin/cargo" "+be3da1e8c043bb6f1f335463d3b1335cdf50b03c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9743d0145edd8b186783a6be0e6feb31f11750f1d14229e7b6949bf21356a033", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-w" "/opt/rustwide/workdir" "--user" "0:0" "9743d0145edd8b186783a6be0e6feb31f11750f1d14229e7b6949bf21356a033" "/opt/rustwide/cargo-home/bin/cargo" "+be3da1e8c043bb6f1f335463d3b1335cdf50b03c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]     Checking hashbrown v0.12.3
[INFO] [stderr]     Checking fixedbitset v0.4.2
[INFO] [stderr]     Checking dot-writer v0.1.3
[INFO] [stderr]     Checking linked-list v0.0.3
[INFO] [stderr]     Checking indexmap v1.9.3
[INFO] [stderr]     Checking petgraph v0.6.3
[INFO] [stderr]     Checking sesebub v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `Color` and `Style`
[INFO] [stdout]  --> src/main.rs:7:18
[INFO] [stdout]   |
[INFO] [stdout] 7 | use dot_writer::{Color, DotWriter, Attributes, Shape, Style};
[INFO] [stdout]   |                  ^^^^^                                ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::panic::RefUnwindSafe`
[INFO] [stdout]   --> src/main.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use std::panic::RefUnwindSafe;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Color` and `Style`
[INFO] [stdout]  --> src/main.rs:7:18
[INFO] [stdout]   |
[INFO] [stdout] 7 | use dot_writer::{Color, DotWriter, Attributes, Shape, Style};
[INFO] [stdout]   |                  ^^^^^                                ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::panic::RefUnwindSafe`
[INFO] [stdout]   --> src/main.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use std::panic::RefUnwindSafe;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `core::num::<impl usize>::max_value`: replaced by the `MAX` associated constant on this type
[INFO] [stdout]   --> src/main.rs:36:24
[INFO] [stdout]    |
[INFO] [stdout] 36 |             hi: usize::max_value(),
[INFO] [stdout]    |                        ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `core::num::<impl usize>::max_value`: replaced by the `MAX` associated constant on this type
[INFO] [stdout]   --> src/main.rs:36:24
[INFO] [stdout]    |
[INFO] [stdout] 36 |             hi: usize::max_value(),
[INFO] [stdout]    |                        ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `core::num::<impl usize>::max_value`: replaced by the `MAX` associated constant on this type
[INFO] [stdout]    --> src/main.rs:267:31
[INFO] [stdout]     |
[INFO] [stdout] 267 |         let mut hi_0 = usize::max_value();
[INFO] [stdout]     |                               ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `core::num::<impl usize>::max_value`: replaced by the `MAX` associated constant on this type
[INFO] [stdout]    --> src/main.rs:268:31
[INFO] [stdout]     |
[INFO] [stdout] 268 |         let mut hi_1 = usize::max_value();
[INFO] [stdout]     |                               ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `core::num::<impl usize>::max_value`: replaced by the `MAX` associated constant on this type
[INFO] [stdout]    --> src/main.rs:269:31
[INFO] [stdout]     |
[INFO] [stdout] 269 |         let mut hi_2 = usize::max_value();
[INFO] [stdout]     |                               ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `core::num::<impl usize>::max_value`: replaced by the `MAX` associated constant on this type
[INFO] [stdout]    --> src/main.rs:270:34
[INFO] [stdout]     |
[INFO] [stdout] 270 |         let mut hichild = usize::max_value();
[INFO] [stdout]     |                                  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `core::num::<impl usize>::max_value`: replaced by the `MAX` associated constant on this type
[INFO] [stdout]    --> src/main.rs:267:31
[INFO] [stdout]     |
[INFO] [stdout] 267 |         let mut hi_0 = usize::max_value();
[INFO] [stdout]     |                               ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `core::num::<impl usize>::max_value`: replaced by the `MAX` associated constant on this type
[INFO] [stdout]    --> src/main.rs:268:31
[INFO] [stdout]     |
[INFO] [stdout] 268 |         let mut hi_1 = usize::max_value();
[INFO] [stdout]     |                               ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `core::num::<impl usize>::max_value`: replaced by the `MAX` associated constant on this type
[INFO] [stdout]    --> src/main.rs:269:31
[INFO] [stdout]     |
[INFO] [stdout] 269 |         let mut hi_2 = usize::max_value();
[INFO] [stdout]     |                               ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `core::num::<impl usize>::max_value`: replaced by the `MAX` associated constant on this type
[INFO] [stdout]    --> src/main.rs:270:34
[INFO] [stdout]     |
[INFO] [stdout] 270 |         let mut hichild = usize::max_value();
[INFO] [stdout]     |                                  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `entry_exit`
[INFO] [stdout]    --> src/main.rs:664:21
[INFO] [stdout]     |
[INFO] [stdout] 664 |                 let entry_exit = lasts.contains(&i) && firsts.contains(&i);
[INFO] [stdout]     |                     ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_entry_exit`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `entry_exit`
[INFO] [stdout]    --> src/main.rs:664:21
[INFO] [stdout]     |
[INFO] [stdout] 664 |                 let entry_exit = lasts.contains(&i) && firsts.contains(&i);
[INFO] [stdout]     |                     ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_entry_exit`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `make_example_0` is never used
[INFO] [stdout]    --> src/main.rs:868:4
[INFO] [stdout]     |
[INFO] [stdout] 868 | fn make_example_0() -> FlowGraph {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `flowify` is never used
[INFO] [stdout]    --> src/main.rs:893:4
[INFO] [stdout]     |
[INFO] [stdout] 893 | fn flowify(graph: &mut FlowGraph) {
[INFO] [stdout]     |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `make_example_a` is never used
[INFO] [stdout]    --> src/main.rs:914:4
[INFO] [stdout]     |
[INFO] [stdout] 914 | fn make_example_a() -> FlowGraph {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `make_example_fig1` is never used
[INFO] [stdout]    --> src/main.rs:944:4
[INFO] [stdout]     |
[INFO] [stdout] 944 | fn make_example_fig1() -> FlowGraph {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `make_example_fig1_a` is never used
[INFO] [stdout]     --> src/main.rs:1003:4
[INFO] [stdout]      |
[INFO] [stdout] 1003 | fn make_example_fig1_a() -> FlowGraph {
[INFO] [stdout]      |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `make_example_diamond` is never used
[INFO] [stdout]     --> src/main.rs:1072:4
[INFO] [stdout]      |
[INFO] [stdout] 1072 | fn make_example_diamond() -> FlowGraph {
[INFO] [stdout]      |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `make_example_c` is never used
[INFO] [stdout]     --> src/main.rs:1097:4
[INFO] [stdout]      |
[INFO] [stdout] 1097 | fn make_example_c() -> FlowGraph {
[INFO] [stdout]      |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `make_example_0` is never used
[INFO] [stdout]    --> src/main.rs:868:4
[INFO] [stdout]     |
[INFO] [stdout] 868 | fn make_example_0() -> FlowGraph {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `flowify` is never used
[INFO] [stdout]    --> src/main.rs:893:4
[INFO] [stdout]     |
[INFO] [stdout] 893 | fn flowify(graph: &mut FlowGraph) {
[INFO] [stdout]     |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `make_example_a` is never used
[INFO] [stdout]    --> src/main.rs:914:4
[INFO] [stdout]     |
[INFO] [stdout] 914 | fn make_example_a() -> FlowGraph {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `make_example_fig1` is never used
[INFO] [stdout]    --> src/main.rs:944:4
[INFO] [stdout]     |
[INFO] [stdout] 944 | fn make_example_fig1() -> FlowGraph {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `make_example_fig1_a` is never used
[INFO] [stdout]     --> src/main.rs:1003:4
[INFO] [stdout]      |
[INFO] [stdout] 1003 | fn make_example_fig1_a() -> FlowGraph {
[INFO] [stdout]      |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `make_example_diamond` is never used
[INFO] [stdout]     --> src/main.rs:1072:4
[INFO] [stdout]      |
[INFO] [stdout] 1072 | fn make_example_diamond() -> FlowGraph {
[INFO] [stdout]      |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `make_example_c` is never used
[INFO] [stdout]     --> src/main.rs:1097:4
[INFO] [stdout]      |
[INFO] [stdout] 1097 | fn make_example_c() -> FlowGraph {
[INFO] [stdout]      |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: unused dependency `linked-list`
[INFO] [stderr]  --> Cargo.toml:3:1
[INFO] [stderr]   |
[INFO] [stderr] 3 | linked-list = "0.0.3"
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `cargo::unused_dependencies` is set to `warn` by default
[INFO] [stderr] help: consider removing the dependency on `linked-list`
[INFO] [stderr] warning: `sesebub` (manifest) generated 1 warning
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.17s
[INFO] running `Command { std: "docker" "inspect" "9743d0145edd8b186783a6be0e6feb31f11750f1d14229e7b6949bf21356a033", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9743d0145edd8b186783a6be0e6feb31f11750f1d14229e7b6949bf21356a033", kill_on_drop: false }`
[INFO] [stdout] 9743d0145edd8b186783a6be0e6feb31f11750f1d14229e7b6949bf21356a033
