[INFO] cloning repository https://github.com/gregokent/executor-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/gregokent/executor-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgregokent%2Fexecutor-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgregokent%2Fexecutor-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 74b5521ddb66f0d3421d86300b5526003ec952f7
[INFO] checking gregokent/executor-rust against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgregokent%2Fexecutor-rust" "/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/gregokent/executor-rust on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/gregokent/executor-rust
[INFO] finished tweaking git repo https://github.com/gregokent/executor-rust
[INFO] tweaked toml for git repo https://github.com/gregokent/executor-rust written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/gregokent/executor-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7e09b2dcb0c8e814868345a90820a4590a07c74507d2232b88e8e4c43e174ade
[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" "7e09b2dcb0c8e814868345a90820a4590a07c74507d2232b88e8e4c43e174ade", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7e09b2dcb0c8e814868345a90820a4590a07c74507d2232b88e8e4c43e174ade", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e09b2dcb0c8e814868345a90820a4590a07c74507d2232b88e8e4c43e174ade", kill_on_drop: false }`
[INFO] [stdout] 7e09b2dcb0c8e814868345a90820a4590a07c74507d2232b88e8e4c43e174ade
[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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 37a4ddd371989b48b43fc1d806f8f0565f927fe3f736ce7bacf03d22d66ac0c9
[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" "37a4ddd371989b48b43fc1d806f8f0565f927fe3f736ce7bacf03d22d66ac0c9", kill_on_drop: false }`
[INFO] [stderr]     Checking executor v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/main.rs:3:35
[INFO] [stdout]   |
[INFO] [stdout] 3 |     fn submit(&mut self,task: Box<Fn()>) -> i32;
[INFO] [stdout]   |                                   ^^^^ help: use `dyn`: `dyn Fn()`
[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/main.rs:10:36
[INFO] [stdout]    |
[INFO] [stdout] 10 |     fn submit(&mut self, task: Box<Fn()>) -> i32 {
[INFO] [stdout]    |                                    ^^^^ help: use `dyn`: `dyn Fn()`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:17:23
[INFO] [stdout]    |
[INFO] [stdout] 17 |     tasklist: Vec<Box<Fn()>>
[INFO] [stdout]    |                       ^^^^ help: use `dyn`: `dyn Fn()`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:21:36
[INFO] [stdout]    |
[INFO] [stdout] 21 |     fn add_job(&mut self, job: Box<Fn()>) {
[INFO] [stdout]    |                                    ^^^^ help: use `dyn`: `dyn Fn()`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:35:36
[INFO] [stdout]    |
[INFO] [stdout] 35 |     fn submit(&mut self, task: Box<Fn()>) -> i32 {
[INFO] [stdout]    |                                    ^^^^ help: use `dyn`: `dyn Fn()`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/main.rs:3:35
[INFO] [stdout]   |
[INFO] [stdout] 3 |     fn submit(&mut self,task: Box<Fn()>) -> i32;
[INFO] [stdout]   |                                   ^^^^ help: use `dyn`: `dyn Fn()`
[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/main.rs:10:36
[INFO] [stdout]    |
[INFO] [stdout] 10 |     fn submit(&mut self, task: Box<Fn()>) -> i32 {
[INFO] [stdout]    |                                    ^^^^ help: use `dyn`: `dyn Fn()`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:17:23
[INFO] [stdout]    |
[INFO] [stdout] 17 |     tasklist: Vec<Box<Fn()>>
[INFO] [stdout]    |                       ^^^^ help: use `dyn`: `dyn Fn()`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:21:36
[INFO] [stdout]    |
[INFO] [stdout] 21 |     fn add_job(&mut self, job: Box<Fn()>) {
[INFO] [stdout]    |                                    ^^^^ help: use `dyn`: `dyn Fn()`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:35:36
[INFO] [stdout]    |
[INFO] [stdout] 35 |     fn submit(&mut self, task: Box<Fn()>) -> i32 {
[INFO] [stdout]    |                                    ^^^^ help: use `dyn`: `dyn Fn()`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.33s
[INFO] running `Command { std: "docker" "inspect" "37a4ddd371989b48b43fc1d806f8f0565f927fe3f736ce7bacf03d22d66ac0c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "37a4ddd371989b48b43fc1d806f8f0565f927fe3f736ce7bacf03d22d66ac0c9", kill_on_drop: false }`
[INFO] [stdout] 37a4ddd371989b48b43fc1d806f8f0565f927fe3f736ce7bacf03d22d66ac0c9