[INFO] cloning repository https://github.com/ahouts/rwc [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ahouts/rwc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fahouts%2Frwc", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fahouts%2Frwc'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] f8d8d1e5f7463d8e1ac672b3d3cd4bb248c8b4c4 [INFO] testing ahouts/rwc against try#ce59db7a1b1b012fb2793c4641c1bdecad7a128b for pr-85530 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fahouts%2Frwc" "/workspace/builds/worker-0/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/ahouts/rwc on toolchain ce59db7a1b1b012fb2793c4641c1bdecad7a128b [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/ahouts/rwc [INFO] finished tweaking git repo https://github.com/ahouts/rwc [INFO] tweaked toml for git repo https://github.com/ahouts/rwc written to /workspace/builds/worker-0/source/Cargo.toml [INFO] crate git repo https://github.com/ahouts/rwc already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] c1a75ba482437e3ed3919e2346a80063d91fb9014112fbca168e6003b60b9b75 [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" "c1a75ba482437e3ed3919e2346a80063d91fb9014112fbca168e6003b60b9b75", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c1a75ba482437e3ed3919e2346a80063d91fb9014112fbca168e6003b60b9b75", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c1a75ba482437e3ed3919e2346a80063d91fb9014112fbca168e6003b60b9b75", kill_on_drop: false }` [INFO] [stdout] c1a75ba482437e3ed3919e2346a80063d91fb9014112fbca168e6003b60b9b75 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 69546136446d199a95a405cc01457e92543eda8d10060395aacd3d452bdb94d9 [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" "69546136446d199a95a405cc01457e92543eda8d10060395aacd3d452bdb94d9", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.44 [INFO] [stderr] Compiling utf-8 v0.7.4 [INFO] [stderr] Compiling arrayvec v0.4.8 [INFO] [stderr] Compiling crossbeam-epoch v0.3.1 [INFO] [stderr] Compiling crossbeam-deque v0.2.0 [INFO] [stderr] Compiling num_cpus v1.8.0 [INFO] [stderr] Compiling atty v0.2.11 [INFO] [stderr] Compiling clap v2.32.0 [INFO] [stderr] Compiling rayon-core v1.4.1 [INFO] [stderr] Compiling rayon v1.0.3 [INFO] [stderr] Compiling rwc v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/counts.rs:25:42 [INFO] [stdout] | [INFO] [stdout] 25 | pub fn display<'a>(&self, w: &'a mut Write, filename: &str, opt: &Options) -> io::Result<()> { [INFO] [stdout] | ^^^^^ help: use `dyn`: `dyn Write` [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] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/reader.rs:12:53 [INFO] [stdout] | [INFO] [stdout] 12 | pub fn get_buff_reader<'a>(&'a mut self) -> Box { [INFO] [stdout] | ^^^^^^^^^^^^ help: use `dyn`: `dyn BufRead + 'a` [INFO] [stdout] | [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] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 14.21s [INFO] running `Command { std: "docker" "inspect" "69546136446d199a95a405cc01457e92543eda8d10060395aacd3d452bdb94d9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "69546136446d199a95a405cc01457e92543eda8d10060395aacd3d452bdb94d9", kill_on_drop: false }` [INFO] [stdout] 69546136446d199a95a405cc01457e92543eda8d10060395aacd3d452bdb94d9 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] dbb74a8b963e1cb890c9522aea0a37e8e04e6dbb77719c434c04f0abe65aa59b [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" "dbb74a8b963e1cb890c9522aea0a37e8e04e6dbb77719c434c04f0abe65aa59b", kill_on_drop: false }` [INFO] [stderr] Compiling rwc v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/counts.rs:25:42 [INFO] [stdout] | [INFO] [stdout] 25 | pub fn display<'a>(&self, w: &'a mut Write, filename: &str, opt: &Options) -> io::Result<()> { [INFO] [stdout] | ^^^^^ help: use `dyn`: `dyn Write` [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] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/reader.rs:12:53 [INFO] [stdout] | [INFO] [stdout] 12 | pub fn get_buff_reader<'a>(&'a mut self) -> Box { [INFO] [stdout] | ^^^^^^^^^^^^ help: use `dyn`: `dyn BufRead + 'a` [INFO] [stdout] | [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] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.82s [INFO] running `Command { std: "docker" "inspect" "dbb74a8b963e1cb890c9522aea0a37e8e04e6dbb77719c434c04f0abe65aa59b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "dbb74a8b963e1cb890c9522aea0a37e8e04e6dbb77719c434c04f0abe65aa59b", kill_on_drop: false }` [INFO] [stdout] dbb74a8b963e1cb890c9522aea0a37e8e04e6dbb77719c434c04f0abe65aa59b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 8bfb8a33337e9f23a15a220b75152ef007f42e7f4da009685d1d04185de6171b [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" "8bfb8a33337e9f23a15a220b75152ef007f42e7f4da009685d1d04185de6171b", kill_on_drop: false }` [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/counts.rs:25:42 [INFO] [stderr] | [INFO] [stderr] 25 | pub fn display<'a>(&self, w: &'a mut Write, filename: &str, opt: &Options) -> io::Result<()> { [INFO] [stderr] | ^^^^^ help: use `dyn`: `dyn Write` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stderr] = note: for more information, see issue #80165 [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/reader.rs:12:53 [INFO] [stderr] | [INFO] [stderr] 12 | pub fn get_buff_reader<'a>(&'a mut self) -> Box { [INFO] [stderr] | ^^^^^^^^^^^^ help: use `dyn`: `dyn BufRead + 'a` [INFO] [stderr] | [INFO] [stderr] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stderr] = note: for more information, see issue #80165 [INFO] [stderr] [INFO] [stderr] warning: 2 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.02s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/rwc-850293048f267da7) [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" "8bfb8a33337e9f23a15a220b75152ef007f42e7f4da009685d1d04185de6171b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8bfb8a33337e9f23a15a220b75152ef007f42e7f4da009685d1d04185de6171b", kill_on_drop: false }` [INFO] [stdout] 8bfb8a33337e9f23a15a220b75152ef007f42e7f4da009685d1d04185de6171b