[INFO] fetching crate subcmd 0.1.0... [INFO] checking subcmd-0.1.0 against try#3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f for pr-87248 [INFO] extracting crate subcmd 0.1.0 into /workspace/builds/worker-4/source [INFO] validating manifest of crates.io crate subcmd 0.1.0 on toolchain 3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate subcmd 0.1.0 [INFO] finished tweaking crates.io crate subcmd 0.1.0 [INFO] tweaked toml for crates.io crate subcmd 0.1.0 written to /workspace/builds/worker-4/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded ansi_term v0.9.0 [INFO] [stderr] Downloaded strsim v0.5.2 [INFO] [stderr] Downloaded tabwriter v0.1.25 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] a349c38ffbad4a635ef60ef2fc2f668e743f71dd93ddacf502ebd2f38ad0893e [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" "a349c38ffbad4a635ef60ef2fc2f668e743f71dd93ddacf502ebd2f38ad0893e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a349c38ffbad4a635ef60ef2fc2f668e743f71dd93ddacf502ebd2f38ad0893e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a349c38ffbad4a635ef60ef2fc2f668e743f71dd93ddacf502ebd2f38ad0893e", kill_on_drop: false }` [INFO] [stdout] a349c38ffbad4a635ef60ef2fc2f668e743f71dd93ddacf502ebd2f38ad0893e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f1207a0c2df0b720b813e5a53b2d96e17392c9eed8f6eb5ff447f2c2cc50256d [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" "f1207a0c2df0b720b813e5a53b2d96e17392c9eed8f6eb5ff447f2c2cc50256d", kill_on_drop: false }` [INFO] [stderr] Checking strsim v0.5.2 [INFO] [stderr] Checking ansi_term v0.9.0 [INFO] [stderr] Checking tabwriter v0.1.25 [INFO] [stderr] Checking getopts v0.2.21 [INFO] [stderr] Checking subcmd v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/handler.rs:37:23 [INFO] [stdout] | [INFO] [stdout] 37 | commands: Vec>, [INFO] [stdout] | ^^^^^^^ help: use `dyn`: `dyn Command` [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 issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/handler.rs:75:40 [INFO] [stdout] | [INFO] [stdout] 75 | pub fn add(&mut self, command: Box) { [INFO] [stdout] | ^^^^^^^ help: use `dyn`: `dyn Command` [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 issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/handler.rs:177:38 [INFO] [stdout] | [INFO] [stdout] 177 | let mut sim_cmd: Option<&Box> = None; [INFO] [stdout] | ^^^^^^^ help: use `dyn`: `dyn Command` [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 issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/wrapper.rs:12:14 [INFO] [stdout] | [INFO] [stdout] 12 | cmd: Box, [INFO] [stdout] | ^^^^^^^ help: use `dyn`: `dyn Command` [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 issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/wrapper.rs:18:25 [INFO] [stdout] | [INFO] [stdout] 18 | pub fn new(cmd: Box, args: Vec) -> CmdWrapper { [INFO] [stdout] | ^^^^^^^ help: use `dyn`: `dyn Command` [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 issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/handler.rs:37:23 [INFO] [stdout] | [INFO] [stdout] 37 | commands: Vec>, [INFO] [stdout] | ^^^^^^^ help: use `dyn`: `dyn Command` [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 issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/wrapper.rs:46:32 [INFO] [stdout] | [INFO] [stdout] 46 | pub fn unwrap(self) -> Box { [INFO] [stdout] | ^^^^^^^ help: use `dyn`: `dyn Command` [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 issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/handler.rs:75:40 [INFO] [stdout] | [INFO] [stdout] 75 | pub fn add(&mut self, command: Box) { [INFO] [stdout] | ^^^^^^^ help: use `dyn`: `dyn Command` [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 issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/handler.rs:177:38 [INFO] [stdout] | [INFO] [stdout] 177 | let mut sim_cmd: Option<&Box> = None; [INFO] [stdout] | ^^^^^^^ help: use `dyn`: `dyn Command` [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 issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/wrapper.rs:12:14 [INFO] [stdout] | [INFO] [stdout] 12 | cmd: Box, [INFO] [stdout] | ^^^^^^^ help: use `dyn`: `dyn Command` [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 issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/wrapper.rs:18:25 [INFO] [stdout] | [INFO] [stdout] 18 | pub fn new(cmd: Box, args: Vec) -> CmdWrapper { [INFO] [stdout] | ^^^^^^^ help: use `dyn`: `dyn Command` [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 issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/wrapper.rs:46:32 [INFO] [stdout] | [INFO] [stdout] 46 | pub fn unwrap(self) -> Box { [INFO] [stdout] | ^^^^^^^ help: use `dyn`: `dyn Command` [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 issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `argv` [INFO] [stdout] --> src/handler.rs:237:23 [INFO] [stdout] | [INFO] [stdout] 237 | fn run(&self, argv: &Vec) { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_argv` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `argv` [INFO] [stdout] --> src/handler.rs:254:23 [INFO] [stdout] | [INFO] [stdout] 254 | fn run(&self, argv: &Vec) { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_argv` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: static variable `FakeCmdRunCalled` should have an upper case name [INFO] [stdout] --> src/wrapper.rs:57:16 [INFO] [stdout] | [INFO] [stdout] 57 | static mut FakeCmdRunCalled: bool = false; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ help: convert the identifier to upper case: `FAKE_CMD_RUN_CALLED` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_upper_case_globals)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 9 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.22s [INFO] running `Command { std: "docker" "inspect" "f1207a0c2df0b720b813e5a53b2d96e17392c9eed8f6eb5ff447f2c2cc50256d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f1207a0c2df0b720b813e5a53b2d96e17392c9eed8f6eb5ff447f2c2cc50256d", kill_on_drop: false }` [INFO] [stdout] f1207a0c2df0b720b813e5a53b2d96e17392c9eed8f6eb5ff447f2c2cc50256d