[INFO] cloning repository https://github.com/Gopiandcode/observable-rs [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Gopiandcode/observable-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGopiandcode%2Fobservable-rs", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGopiandcode%2Fobservable-rs'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] f30920c76c5e15904055c5a736b23b817e998a50 [INFO] testing Gopiandcode/observable-rs against beta-2021-09-08 for beta-1.56-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGopiandcode%2Fobservable-rs" "/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/Gopiandcode/observable-rs on toolchain beta-2021-09-08 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/Gopiandcode/observable-rs [INFO] finished tweaking git repo https://github.com/Gopiandcode/observable-rs [INFO] tweaked toml for git repo https://github.com/Gopiandcode/observable-rs written to /workspace/builds/worker-1/source/Cargo.toml [INFO] crate git repo https://github.com/Gopiandcode/observable-rs already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded dependent_view v1.0.2 [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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 731be3896c4259df5068e146fc6cbc228362fe29d000a31a44e8c0c789f1732f [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" "731be3896c4259df5068e146fc6cbc228362fe29d000a31a44e8c0c789f1732f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "731be3896c4259df5068e146fc6cbc228362fe29d000a31a44e8c0c789f1732f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "731be3896c4259df5068e146fc6cbc228362fe29d000a31a44e8c0c789f1732f", kill_on_drop: false }` [INFO] [stdout] 731be3896c4259df5068e146fc6cbc228362fe29d000a31a44e8c0c789f1732f [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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 195ccf285a0412cd99152fec231165e5116876d7ca340d18fdbac1463ccc6572 [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" "195ccf285a0412cd99152fec231165e5116876d7ca340d18fdbac1463ccc6572", kill_on_drop: false }` [INFO] [stderr] Compiling observable_rs v0.5.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `Rc` [INFO] [stdout] --> src/lib.rs:5:21 [INFO] [stdout] | [INFO] [stdout] 5 | use std::rc::{Weak, Rc}; [INFO] [stdout] | ^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `AsRef` [INFO] [stdout] --> src/lib.rs:6:20 [INFO] [stdout] | [INFO] [stdout] 6 | use std::convert::{AsRef, AsMut}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:14:43 [INFO] [stdout] | [INFO] [stdout] 14 | fn register(&mut self, observer: Weak>); [INFO] [stdout] | ^^^^^^^^^^^ help: use `dyn`: `dyn Observer` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:32:25 [INFO] [stdout] | [INFO] [stdout] 32 | observers: Vec>> [INFO] [stdout] | ^^^^^^^^^^^ help: use `dyn`: `dyn Observer` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:44:43 [INFO] [stdout] | [INFO] [stdout] 44 | fn register(&mut self, observer: Weak>) { [INFO] [stdout] | ^^^^^^^^^^^ help: use `dyn`: `dyn Observer` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.45s [INFO] running `Command { std: "docker" "inspect" "195ccf285a0412cd99152fec231165e5116876d7ca340d18fdbac1463ccc6572", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "195ccf285a0412cd99152fec231165e5116876d7ca340d18fdbac1463ccc6572", kill_on_drop: false }` [INFO] [stdout] 195ccf285a0412cd99152fec231165e5116876d7ca340d18fdbac1463ccc6572 [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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] b5cea5c2866d334cf186629af6462ba90f51fe86acddc0895ab352eb78aaab76 [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" "b5cea5c2866d334cf186629af6462ba90f51fe86acddc0895ab352eb78aaab76", kill_on_drop: false }` [INFO] [stdout] warning: unused import: `Rc` [INFO] [stdout] --> src/lib.rs:5:21 [INFO] [stdout] | [INFO] [stdout] 5 | use std::rc::{Weak, Rc}; [INFO] [stdout] | ^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling observable_rs v0.5.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `AsRef` [INFO] [stdout] --> src/lib.rs:6:20 [INFO] [stdout] | [INFO] [stdout] 6 | use std::convert::{AsRef, AsMut}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:14:43 [INFO] [stdout] | [INFO] [stdout] 14 | fn register(&mut self, observer: Weak>); [INFO] [stdout] | ^^^^^^^^^^^ help: use `dyn`: `dyn Observer` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:32:25 [INFO] [stdout] | [INFO] [stdout] 32 | observers: Vec>> [INFO] [stdout] | ^^^^^^^^^^^ help: use `dyn`: `dyn Observer` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:44:43 [INFO] [stdout] | [INFO] [stdout] 44 | fn register(&mut self, observer: Weak>) { [INFO] [stdout] | ^^^^^^^^^^^ help: use `dyn`: `dyn Observer` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Rc` [INFO] [stdout] --> src/lib.rs:5:21 [INFO] [stdout] | [INFO] [stdout] 5 | use std::rc::{Weak, Rc}; [INFO] [stdout] | ^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `AsRef` [INFO] [stdout] --> src/lib.rs:6:20 [INFO] [stdout] | [INFO] [stdout] 6 | use std::convert::{AsRef, AsMut}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:14:43 [INFO] [stdout] | [INFO] [stdout] 14 | fn register(&mut self, observer: Weak>); [INFO] [stdout] | ^^^^^^^^^^^ help: use `dyn`: `dyn Observer` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:32:25 [INFO] [stdout] | [INFO] [stdout] 32 | observers: Vec>> [INFO] [stdout] | ^^^^^^^^^^^ help: use `dyn`: `dyn Observer` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:44:43 [INFO] [stdout] | [INFO] [stdout] 44 | fn register(&mut self, observer: Weak>) { [INFO] [stdout] | ^^^^^^^^^^^ help: use `dyn`: `dyn Observer` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.04s [INFO] running `Command { std: "docker" "inspect" "b5cea5c2866d334cf186629af6462ba90f51fe86acddc0895ab352eb78aaab76", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b5cea5c2866d334cf186629af6462ba90f51fe86acddc0895ab352eb78aaab76", kill_on_drop: false }` [INFO] [stdout] b5cea5c2866d334cf186629af6462ba90f51fe86acddc0895ab352eb78aaab76 [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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 7cfc740c609d6c9daba6a90c3be486d1701ef5ed5008e99581aec409ea69b9e4 [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" "7cfc740c609d6c9daba6a90c3be486d1701ef5ed5008e99581aec409ea69b9e4", kill_on_drop: false }` [INFO] [stderr] warning: unused import: `Rc` [INFO] [stderr] --> src/lib.rs:5:21 [INFO] [stderr] | [INFO] [stderr] 5 | use std::rc::{Weak, Rc}; [INFO] [stderr] | ^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `AsRef` [INFO] [stderr] --> src/lib.rs:6:20 [INFO] [stderr] | [INFO] [stderr] 6 | use std::convert::{AsRef, AsMut}; [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib.rs:14:43 [INFO] [stderr] | [INFO] [stderr] 14 | fn register(&mut self, observer: Weak>); [INFO] [stderr] | ^^^^^^^^^^^ help: use `dyn`: `dyn Observer` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib.rs:32:25 [INFO] [stderr] | [INFO] [stderr] 32 | observers: Vec>> [INFO] [stderr] | ^^^^^^^^^^^ help: use `dyn`: `dyn Observer` [INFO] [stderr] | [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib.rs:44:43 [INFO] [stderr] | [INFO] [stderr] 44 | fn register(&mut self, observer: Weak>) { [INFO] [stderr] | ^^^^^^^^^^^ help: use `dyn`: `dyn Observer` [INFO] [stderr] | [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see [INFO] [stderr] [INFO] [stderr] warning: `observable_rs` (lib) generated 5 warnings [INFO] [stderr] warning: `observable_rs` (lib test) generated 5 warnings (5 duplicates) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.01s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/observable_rs-84b87180b1bb0b48) [INFO] [stdout] [INFO] [stderr] Doc-tests observable_rs [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "7cfc740c609d6c9daba6a90c3be486d1701ef5ed5008e99581aec409ea69b9e4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7cfc740c609d6c9daba6a90c3be486d1701ef5ed5008e99581aec409ea69b9e4", kill_on_drop: false }` [INFO] [stdout] 7cfc740c609d6c9daba6a90c3be486d1701ef5ed5008e99581aec409ea69b9e4