[INFO] cloning repository https://github.com/cassaundra/col [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cassaundra/col" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcassaundra%2Fcol", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcassaundra%2Fcol'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 1f4bfd0273a4cde9b2c80c487b2591b8ab7efee7 [INFO] checking cassaundra/col/1f4bfd0273a4cde9b2c80c487b2591b8ab7efee7 against master#8a65ee08296b36342bf7c3cdc15312ccbc357227 for pr-142704 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcassaundra%2Fcol" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/cassaundra/col on toolchain 8a65ee08296b36342bf7c3cdc15312ccbc357227 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8a65ee08296b36342bf7c3cdc15312ccbc357227" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/cassaundra/col [INFO] finished tweaking git repo https://github.com/cassaundra/col [INFO] tweaked toml for git repo https://github.com/cassaundra/col written to /workspace/builds/worker-5-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/cassaundra/col already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8a65ee08296b36342bf7c3cdc15312ccbc357227" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8a65ee08296b36342bf7c3cdc15312ccbc357227" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] d01016012e4da64e59bf2e9c3002d376ed688c4718f2de6af6977b6c1a463822 [INFO] running `Command { std: "docker" "start" "-a" "d01016012e4da64e59bf2e9c3002d376ed688c4718f2de6af6977b6c1a463822", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d01016012e4da64e59bf2e9c3002d376ed688c4718f2de6af6977b6c1a463822", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d01016012e4da64e59bf2e9c3002d376ed688c4718f2de6af6977b6c1a463822", kill_on_drop: false }` [INFO] [stdout] d01016012e4da64e59bf2e9c3002d376ed688c4718f2de6af6977b6c1a463822 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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" "RUSTDOCFLAGS=--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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8a65ee08296b36342bf7c3cdc15312ccbc357227" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c041dc9949fb758a266513ca4bb32ae7b1c949e3bd79dfc7f96131c9190dcbe9 [INFO] running `Command { std: "docker" "start" "-a" "c041dc9949fb758a266513ca4bb32ae7b1c949e3bd79dfc7f96131c9190dcbe9", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.59 [INFO] [stderr] Checking spin v0.5.0 [INFO] [stderr] Compiling autocfg v0.1.4 [INFO] [stderr] Checking ppv-lite86 v0.2.5 [INFO] [stderr] Checking unicode-width v0.1.5 [INFO] [stderr] Checking strsim v0.7.0 [INFO] [stderr] Checking ansi_term v0.11.0 [INFO] [stderr] Checking vec_map v0.8.1 [INFO] [stderr] Checking bitflags v1.0.4 [INFO] [stderr] Checking textwrap v0.10.0 [INFO] [stderr] Checking lazy_static v1.3.0 [INFO] [stderr] Compiling rand_chacha v0.2.0 [INFO] [stderr] Checking c2-chacha v0.2.2 [INFO] [stderr] Checking getrandom v0.1.6 [INFO] [stderr] Checking atty v0.2.11 [INFO] [stderr] Checking clap v2.32.0 [INFO] [stderr] Checking rand_core v0.5.0 [INFO] [stderr] Checking rand v0.7.0 [INFO] [stderr] Checking col v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: function `get_output_with_input` is never used [INFO] [stdout] --> src/test.rs:6:4 [INFO] [stdout] | [INFO] [stdout] 6 | fn get_output_with_input(source: &str, reader: &mut R) -> String { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/interpreter/mod.rs:136:5 [INFO] [stdout] | [INFO] [stdout] 136 | &callback(self.state.stacks()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 136 | let _ = &callback(self.state.stacks()); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/program/mod.rs:26:12 [INFO] [stdout] | [INFO] [stdout] 26 | fn stacks(&self) -> Vec<(u32, Ref>)>; [INFO] [stdout] | ^^^^^ ------------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 26 | fn stacks(&self) -> Vec<(u32, Ref<'_, Vec>)>; [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/program/simple.rs:49:12 [INFO] [stdout] | [INFO] [stdout] 49 | fn stacks(&self) -> Vec<(u32, Ref>)> { [INFO] [stdout] | ^^^^^ ------------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 49 | fn stacks(&self) -> Vec<(u32, Ref<'_, Vec>)> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/interpreter/mod.rs:136:5 [INFO] [stdout] | [INFO] [stdout] 136 | &callback(self.state.stacks()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 136 | let _ = &callback(self.state.stacks()); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/program/mod.rs:26:12 [INFO] [stdout] | [INFO] [stdout] 26 | fn stacks(&self) -> Vec<(u32, Ref>)>; [INFO] [stdout] | ^^^^^ ------------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 26 | fn stacks(&self) -> Vec<(u32, Ref<'_, Vec>)>; [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/program/simple.rs:49:12 [INFO] [stdout] | [INFO] [stdout] 49 | fn stacks(&self) -> Vec<(u32, Ref>)> { [INFO] [stdout] | ^^^^^ ------------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 49 | fn stacks(&self) -> Vec<(u32, Ref<'_, Vec>)> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/bin/coli.rs:29:66 [INFO] [stdout] | [INFO] [stdout] 29 | .unwrap_or_else(|e| panic!("Could not read source file: {}", e.description())); [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/bin/coli.rs:29:66 [INFO] [stdout] | [INFO] [stdout] 29 | .unwrap_or_else(|e| panic!("Could not read source file: {}", e.description())); [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.23s [INFO] running `Command { std: "docker" "inspect" "c041dc9949fb758a266513ca4bb32ae7b1c949e3bd79dfc7f96131c9190dcbe9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c041dc9949fb758a266513ca4bb32ae7b1c949e3bd79dfc7f96131c9190dcbe9", kill_on_drop: false }` [INFO] [stdout] c041dc9949fb758a266513ca4bb32ae7b1c949e3bd79dfc7f96131c9190dcbe9