[INFO] cloning repository https://github.com/marioidival/coral
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/marioidival/coral" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmarioidival%2Fcoral", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmarioidival%2Fcoral'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f367ce853fe1dde5f29e017be169f358fc3f1e26
[INFO] checking marioidival/coral against master#339e19697a39a78f4d669c217b7d21109215de41 for pr-81213
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmarioidival%2Fcoral" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/marioidival/coral on toolchain 339e19697a39a78f4d669c217b7d21109215de41
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+339e19697a39a78f4d669c217b7d21109215de41" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/marioidival/coral
[INFO] finished tweaking git repo https://github.com/marioidival/coral
[INFO] tweaked toml for git repo https://github.com/marioidival/coral written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/marioidival/coral already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+339e19697a39a78f4d669c217b7d21109215de41" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+339e19697a39a78f4d669c217b7d21109215de41" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] db8ea096666c2d06c0de5d52c6eeec98a12c16561d6fc0ce71dec957c7064a68
[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" "db8ea096666c2d06c0de5d52c6eeec98a12c16561d6fc0ce71dec957c7064a68", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "db8ea096666c2d06c0de5d52c6eeec98a12c16561d6fc0ce71dec957c7064a68", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "db8ea096666c2d06c0de5d52c6eeec98a12c16561d6fc0ce71dec957c7064a68", kill_on_drop: false }`
[INFO] [stdout] db8ea096666c2d06c0de5d52c6eeec98a12c16561d6fc0ce71dec957c7064a68
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+339e19697a39a78f4d669c217b7d21109215de41" "check" "--frozen" "--all" "--all-targets" "--message-format=json", 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] 1e07b9046e63dcbad9436fd82f0bb5cc0a016fc94e75acf25a1ee7d1899bc867
[INFO] running `Command { std: "docker" "start" "-a" "1e07b9046e63dcbad9436fd82f0bb5cc0a016fc94e75acf25a1ee7d1899bc867", kill_on_drop: false }`
[INFO] [stderr]     Checking either v1.5.0
[INFO] [stderr]     Checking itertools v0.7.8
[INFO] [stderr]     Checking coral v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/token.rs:93:38
[INFO] [stdout]    |
[INFO] [stdout] 93 |     fn peek_check(&mut self, check: &Fn(char) -> bool) -> bool {
[INFO] [stdout]    |                                      ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(char) -> bool`
[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/token.rs:102:40
[INFO] [stdout]     |
[INFO] [stdout] 102 |     pub fn peek_two(&mut self, cond1: &Fn(char) -> bool, cond2: &Fn(char) -> bool) -> bool {
[INFO] [stdout]     |                                        ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(char) -> bool`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/token.rs:102:66
[INFO] [stdout]     |
[INFO] [stdout] 102 |     pub fn peek_two(&mut self, cond1: &Fn(char) -> bool, cond2: &Fn(char) -> bool) -> bool {
[INFO] [stdout]     |                                                                  ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(char) -> bool`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/token.rs:114:49
[INFO] [stdout]     |
[INFO] [stdout] 114 |     pub fn advance_while(&mut self, condition: &Fn(char) -> bool) -> () {
[INFO] [stdout]     |                                                 ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(char) -> bool`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/token.rs:93:38
[INFO] [stdout]    |
[INFO] [stdout] 93 |     fn peek_check(&mut self, check: &Fn(char) -> bool) -> bool {
[INFO] [stdout]    |                                      ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(char) -> bool`
[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/token.rs:102:40
[INFO] [stdout]     |
[INFO] [stdout] 102 |     pub fn peek_two(&mut self, cond1: &Fn(char) -> bool, cond2: &Fn(char) -> bool) -> bool {
[INFO] [stdout]     |                                        ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(char) -> bool`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/token.rs:102:66
[INFO] [stdout]     |
[INFO] [stdout] 102 |     pub fn peek_two(&mut self, cond1: &Fn(char) -> bool, cond2: &Fn(char) -> bool) -> bool {
[INFO] [stdout]     |                                                                  ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(char) -> bool`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/token.rs:114:49
[INFO] [stdout]     |
[INFO] [stdout] 114 |     pub fn advance_while(&mut self, condition: &Fn(char) -> bool) -> () {
[INFO] [stdout]     |                                                 ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(char) -> bool`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.15s
[INFO] running `Command { std: "docker" "inspect" "1e07b9046e63dcbad9436fd82f0bb5cc0a016fc94e75acf25a1ee7d1899bc867", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1e07b9046e63dcbad9436fd82f0bb5cc0a016fc94e75acf25a1ee7d1899bc867", kill_on_drop: false }`
[INFO] [stdout] 1e07b9046e63dcbad9436fd82f0bb5cc0a016fc94e75acf25a1ee7d1899bc867