[INFO] updating cached repository https://github.com/TyOverby/todag
[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] 4ed86df1c5bdba310b82c22ae053135e2d478284
[INFO] checking TyOverby/todag against master#4fb54ed484e2239a3e9eff3be17df00d2a162be3 for pr-73345
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTyOverby%2Ftodag" "/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/TyOverby/todag on toolchain 4fb54ed484e2239a3e9eff3be17df00d2a162be3
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4fb54ed484e2239a3e9eff3be17df00d2a162be3" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/TyOverby/todag
[INFO] finished tweaking git repo https://github.com/TyOverby/todag
[INFO] tweaked toml for git repo https://github.com/TyOverby/todag written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/TyOverby/todag already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4fb54ed484e2239a3e9eff3be17df00d2a162be3" "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@sha256:6c9ffe128752d56c8d75334ed354142a5229917ed99767f56566dd8e857ad726" "/opt/rustwide/cargo-home/bin/cargo" "+4fb54ed484e2239a3e9eff3be17df00d2a162be3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7076f56f7e935ac27a9d2973da213e5c92da055dfef7ff2dbe71db8f1b1ea178
[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" "7076f56f7e935ac27a9d2973da213e5c92da055dfef7ff2dbe71db8f1b1ea178", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7076f56f7e935ac27a9d2973da213e5c92da055dfef7ff2dbe71db8f1b1ea178", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7076f56f7e935ac27a9d2973da213e5c92da055dfef7ff2dbe71db8f1b1ea178", kill_on_drop: false }`
[INFO] [stdout] 7076f56f7e935ac27a9d2973da213e5c92da055dfef7ff2dbe71db8f1b1ea178
[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=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@sha256:6c9ffe128752d56c8d75334ed354142a5229917ed99767f56566dd8e857ad726" "/opt/rustwide/cargo-home/bin/cargo" "+4fb54ed484e2239a3e9eff3be17df00d2a162be3" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6fe643108da97da292478b0b084fba8469aa3b02c1ffa46ffba3fa0dbad3377c
[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" "6fe643108da97da292478b0b084fba8469aa3b02c1ffa46ffba3fa0dbad3377c", kill_on_drop: false }`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]     Checking linked-hash-map v0.5.2
[INFO] [stderr]    Compiling bitflags v1.1.0
[INFO] [stderr]     Checking dtoa v0.4.4
[INFO] [stderr]    Compiling pulldown-cmark v0.5.3
[INFO] [stderr]     Checking itoa v0.4.4
[INFO] [stderr]     Checking difference v2.0.0
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking getopts v0.2.21
[INFO] [stderr]     Checking itertools v0.8.0
[INFO] [stderr]     Checking termios v0.3.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.2
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking clicolors-control v1.0.1
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking rand_jitter v0.1.4
[INFO] [stderr]     Checking rand_pcg v0.1.2
[INFO] [stderr]     Checking yaml-rust v0.4.3
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking rand_chacha v0.1.1
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]    Compiling unicase v2.4.0
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking aho-corasick v0.7.6
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]     Checking regex v1.2.1
[INFO] [stderr]     Checking console v0.8.0
[INFO] [stderr]    Compiling serde_derive v1.0.99
[INFO] [stderr]     Checking serde v1.0.99
[INFO] [stderr]     Checking uuid v0.7.4
[INFO] [stderr]     Checking serde_json v1.0.40
[INFO] [stderr]     Checking serde_yaml v0.8.9
[INFO] [stderr]     Checking insta v0.11.0
[INFO] [stderr]     Checking todag v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `crate::parser::extract`
[INFO] [stdout]  --> src/parse_tests.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::parser::extract;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Options`, `Parser`
[INFO] [stdout]  --> src/parse_tests.rs:4:26
[INFO] [stdout]   |
[INFO] [stdout] 4 |     use pulldown_cmark::{Options, Parser};
[INFO] [stdout]   |                          ^^^^^^^  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `IdGen`
[INFO] [stdout]  --> src/binder.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | struct IdGen {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/binder.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 13 |     fn new() -> IdGen {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `next`
[INFO] [stdout]   --> src/binder.rs:16:8
[INFO] [stdout]    |
[INFO] [stdout] 16 |     fn next(&mut self) -> Id {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `from_task`
[INFO] [stdout]   --> src/binder.rs:32:8
[INFO] [stdout]    |
[INFO] [stdout] 32 |     fn from_task<'b>(id: Id, task: &Task<'b>) -> BoundTask<'b> {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `bind_chain`
[INFO] [stdout]   --> src/binder.rs:42:4
[INFO] [stdout]    |
[INFO] [stdout] 42 | fn bind_chain<'a>(
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `bind`
[INFO] [stdout]   --> src/binder.rs:59:8
[INFO] [stdout]    |
[INFO] [stdout] 59 | pub fn bind<'a>(tasks: &[Task<'a>]) -> Vec<BoundTask<'a>> {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `run_bind`
[INFO] [stdout]  --> src/binder_tests.rs:4:4
[INFO] [stdout]   |
[INFO] [stdout] 4 | fn run_bind<'a>(s: &'a str) -> Vec<BoundTask<'a>> {
[INFO] [stdout]   |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 51.31s
[INFO] running `Command { std: "docker" "inspect" "6fe643108da97da292478b0b084fba8469aa3b02c1ffa46ffba3fa0dbad3377c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6fe643108da97da292478b0b084fba8469aa3b02c1ffa46ffba3fa0dbad3377c", kill_on_drop: false }`
[INFO] [stdout] 6fe643108da97da292478b0b084fba8469aa3b02c1ffa46ffba3fa0dbad3377c