[INFO] cloning repository https://github.com/seb-odessa/callbacks
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/seb-odessa/callbacks" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fseb-odessa%2Fcallbacks", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fseb-odessa%2Fcallbacks'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e016a3ada62ae4bf05b17a64233d3411111477c7
[INFO] checking seb-odessa/callbacks against try#353a0a223066e9f46a1d935f2271a26c3c5002bb for pr-75180
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fseb-odessa%2Fcallbacks" "/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/seb-odessa/callbacks on toolchain 353a0a223066e9f46a1d935f2271a26c3c5002bb
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+353a0a223066e9f46a1d935f2271a26c3c5002bb" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/seb-odessa/callbacks
[INFO] finished tweaking git repo https://github.com/seb-odessa/callbacks
[INFO] tweaked toml for git repo https://github.com/seb-odessa/callbacks written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/seb-odessa/callbacks already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+353a0a223066e9f46a1d935f2271a26c3c5002bb" "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" "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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+353a0a223066e9f46a1d935f2271a26c3c5002bb" "metadata" "--no-deps" "--format-version=1", 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] 5bb6af4226eb90d2b27553c876503f6888d74dc1571b9cfa5f3bca07c097a0fd
[INFO] running `Command { std: "docker" "start" "-a" "5bb6af4226eb90d2b27553c876503f6888d74dc1571b9cfa5f3bca07c097a0fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5bb6af4226eb90d2b27553c876503f6888d74dc1571b9cfa5f3bca07c097a0fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5bb6af4226eb90d2b27553c876503f6888d74dc1571b9cfa5f3bca07c097a0fd", kill_on_drop: false }`
[INFO] [stdout] 5bb6af4226eb90d2b27553c876503f6888d74dc1571b9cfa5f3bca07c097a0fd
[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" "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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+353a0a223066e9f46a1d935f2271a26c3c5002bb" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 658347da9ad3d705b019a8a09c434bb26fa4b985851694a8919ebcee60fbb228
[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" "658347da9ad3d705b019a8a09c434bb26fa4b985851694a8919ebcee60fbb228", kill_on_drop: false }`
[INFO] [stderr]     Checking callbacks v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/main.rs:2:25
[INFO] [stdout]   |
[INFO] [stdout] 2 |     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/main.rs:8:47
[INFO] [stdout]   |
[INFO] [stdout] 8 |     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/main.rs:2:25
[INFO] [stdout]   |
[INFO] [stdout] 2 |     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/main.rs:8:47
[INFO] [stdout]   |
[INFO] [stdout] 8 |     pub fn register(&mut self, callback : Box<FnMut(i32)>) {
[INFO] [stdout]   |                                               ^^^^^^^^^^ help: use `dyn`: `dyn FnMut(i32)`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.34s
[INFO] running `Command { std: "docker" "inspect" "658347da9ad3d705b019a8a09c434bb26fa4b985851694a8919ebcee60fbb228", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "658347da9ad3d705b019a8a09c434bb26fa4b985851694a8919ebcee60fbb228", kill_on_drop: false }`
[INFO] [stdout] 658347da9ad3d705b019a8a09c434bb26fa4b985851694a8919ebcee60fbb228