[INFO] cloning repository https://github.com/tmtaybah/simple__rust_server [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tmtaybah/simple__rust_server" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftmtaybah%2Fsimple__rust_server", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftmtaybah%2Fsimple__rust_server'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] cd56a160eb500420959072994b99a0a3f54805ef [INFO] checking tmtaybah/simple__rust_server against master#50e1dc1536264ab71c0850f346b12309477f29f7 for pr-85073 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftmtaybah%2Fsimple__rust_server" "/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/tmtaybah/simple__rust_server on toolchain 50e1dc1536264ab71c0850f346b12309477f29f7 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+50e1dc1536264ab71c0850f346b12309477f29f7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/tmtaybah/simple__rust_server [INFO] finished tweaking git repo https://github.com/tmtaybah/simple__rust_server [INFO] tweaked toml for git repo https://github.com/tmtaybah/simple__rust_server written to /workspace/builds/worker-7/source/Cargo.toml [INFO] crate git repo https://github.com/tmtaybah/simple__rust_server already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+50e1dc1536264ab71c0850f346b12309477f29f7" "fetch" "--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+50e1dc1536264ab71c0850f346b12309477f29f7" "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] fe9fe10defb1d7e56db565c060921e346f2f3437222a2ac142a5364b9e45363d [INFO] running `Command { std: "docker" "start" "-a" "fe9fe10defb1d7e56db565c060921e346f2f3437222a2ac142a5364b9e45363d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "fe9fe10defb1d7e56db565c060921e346f2f3437222a2ac142a5364b9e45363d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fe9fe10defb1d7e56db565c060921e346f2f3437222a2ac142a5364b9e45363d", kill_on_drop: false }` [INFO] [stdout] fe9fe10defb1d7e56db565c060921e346f2f3437222a2ac142a5364b9e45363d [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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+50e1dc1536264ab71c0850f346b12309477f29f7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] a2c2c09dad48ce435aaa6d7e53c2067531f1fc25e8bcea53b4d459a1f340990b [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" "a2c2c09dad48ce435aaa6d7e53c2067531f1fc25e8bcea53b4d459a1f340990b", kill_on_drop: false }` [INFO] [stderr] Compiling serde v1.0.94 [INFO] [stderr] Compiling autocfg v0.1.4 [INFO] [stderr] Compiling syn v0.15.39 [INFO] [stderr] Compiling memchr v2.2.1 [INFO] [stderr] Compiling askama_escape v0.2.0 [INFO] [stderr] Compiling humansize v1.1.0 [INFO] [stderr] Compiling nom v4.2.3 [INFO] [stderr] Compiling num-traits v0.2.8 [INFO] [stderr] Compiling serde_derive v1.0.94 [INFO] [stderr] Checking toml v0.4.10 [INFO] [stderr] Compiling askama_shared v0.8.0 [INFO] [stderr] Compiling askama_derive v0.8.0 [INFO] [stderr] Checking askama v0.8.0 [INFO] [stderr] Checking simple_webserver v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] error[E0573]: expected type, found module `self` [INFO] [stdout] --> src/lib.rs:12:27 [INFO] [stdout] | [INFO] [stdout] 12 | fn call_box(self: Box); [INFO] [stdout] | ^^^^ help: a self type with a similar name exists (notice the capitalization): `Self` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:21:16 [INFO] [stdout] | [INFO] [stdout] 21 | type Job = Box; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnBox + Send + 'static` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0573]: expected type, found module `self` [INFO] [stdout] --> src/lib.rs:12:27 [INFO] [stdout] | [INFO] [stdout] 12 | fn call_box(self: Box); [INFO] [stdout] | ^^^^ help: a self type with a similar name exists (notice the capitalization): `Self` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:21:16 [INFO] [stdout] | [INFO] [stdout] 21 | type Job = Box; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnBox + Send + 'static` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0038]: the trait `FnBox` cannot be made into an object [INFO] [stdout] --> src/lib.rs:8:13 [INFO] [stdout] | [INFO] [stdout] 8 | sender: mpsc::Sender, // ThreadPool holds sending end of channel [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ `FnBox` cannot be made into an object [INFO] [stdout] ... [INFO] [stdout] 12 | fn call_box(self: Box); [INFO] [stdout] | --------- help: consider changing method `call_box`'s `self` parameter to be `&self`: `&Self` [INFO] [stdout] | [INFO] [stdout] note: for a trait to be "object safe" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit [INFO] [stdout] --> src/lib.rs:12:23 [INFO] [stdout] | [INFO] [stdout] 11 | trait FnBox { [INFO] [stdout] | ----- this trait cannot be made into an object... [INFO] [stdout] 12 | fn call_box(self: Box); [INFO] [stdout] | ^^^^^^^^^ ...because method `call_box`'s `self` parameter cannot be dispatched on [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0038]: the trait `FnBox` cannot be made into an object [INFO] [stdout] --> src/lib.rs:73:33 [INFO] [stdout] | [INFO] [stdout] 12 | fn call_box(self: Box); [INFO] [stdout] | --------- help: consider changing method `call_box`'s `self` parameter to be `&self`: `&Self` [INFO] [stdout] ... [INFO] [stdout] 73 | fn new(id: usize, receiver: Arc>>) -> Worker { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ `FnBox` cannot be made into an object [INFO] [stdout] | [INFO] [stdout] note: for a trait to be "object safe" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit [INFO] [stdout] --> src/lib.rs:12:23 [INFO] [stdout] | [INFO] [stdout] 11 | trait FnBox { [INFO] [stdout] | ----- this trait cannot be made into an object... [INFO] [stdout] 12 | fn call_box(self: Box); [INFO] [stdout] | ^^^^^^^^^ ...because method `call_box`'s `self` parameter cannot be dispatched on [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 3 previous errors; 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0038, E0573. [INFO] [stdout] [INFO] [stdout] For more information about an error, try `rustc --explain E0038`. [INFO] [stdout] [INFO] [stdout] error[E0038]: the trait `FnBox` cannot be made into an object [INFO] [stdout] --> src/lib.rs:8:13 [INFO] [stdout] | [INFO] [stdout] 8 | sender: mpsc::Sender, // ThreadPool holds sending end of channel [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ `FnBox` cannot be made into an object [INFO] [stdout] ... [INFO] [stdout] 12 | fn call_box(self: Box); [INFO] [stdout] | --------- help: consider changing method `call_box`'s `self` parameter to be `&self`: `&Self` [INFO] [stdout] | [INFO] [stdout] note: for a trait to be "object safe" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit [INFO] [stdout] --> src/lib.rs:12:23 [INFO] [stdout] | [INFO] [stdout] 11 | trait FnBox { [INFO] [stdout] | ----- this trait cannot be made into an object... [INFO] [stdout] 12 | fn call_box(self: Box); [INFO] [stdout] | ^^^^^^^^^ ...because method `call_box`'s `self` parameter cannot be dispatched on [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0038]: the trait `FnBox` cannot be made into an object [INFO] [stdout] --> src/lib.rs:73:33 [INFO] [stdout] | [INFO] [stdout] 12 | fn call_box(self: Box); [INFO] [stdout] | --------- help: consider changing method `call_box`'s `self` parameter to be `&self`: `&Self` [INFO] [stdout] ... [INFO] [stdout] 73 | fn new(id: usize, receiver: Arc>>) -> Worker { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ `FnBox` cannot be made into an object [INFO] [stdout] | [INFO] [stdout] note: for a trait to be "object safe" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit [INFO] [stdout] --> src/lib.rs:12:23 [INFO] [stdout] | [INFO] [stdout] 11 | trait FnBox { [INFO] [stdout] | ----- this trait cannot be made into an object... [INFO] [stdout] 12 | fn call_box(self: Box); [INFO] [stdout] | ^^^^^^^^^ ...because method `call_box`'s `self` parameter cannot be dispatched on [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `simple_webserver` [INFO] [stdout] error: aborting due to 3 previous errors; 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] [INFO] [stdout] Some errors have detailed explanations: E0038, E0573. [INFO] [stdout] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] [stdout] For more information about an error, try `rustc --explain E0038`. [INFO] [stdout] [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: build failed [INFO] running `Command { std: "docker" "inspect" "a2c2c09dad48ce435aaa6d7e53c2067531f1fc25e8bcea53b4d459a1f340990b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a2c2c09dad48ce435aaa6d7e53c2067531f1fc25e8bcea53b4d459a1f340990b", kill_on_drop: false }` [INFO] [stdout] a2c2c09dad48ce435aaa6d7e53c2067531f1fc25e8bcea53b4d459a1f340990b