[INFO] fetching crate lambda_calc 2.2.2... [INFO] checking lambda_calc-2.2.2 against try#998b6603a58e47f42ccce7a67943234e96b6839e for pr-143170 [INFO] extracting crate lambda_calc 2.2.2 into /workspace/builds/worker-3-tc2/source [INFO] started tweaking crates.io crate lambda_calc 2.2.2 [INFO] finished tweaking crates.io crate lambda_calc 2.2.2 [INFO] tweaked toml for crates.io crate lambda_calc 2.2.2 written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate lambda_calc 2.2.2 on toolchain 998b6603a58e47f42ccce7a67943234e96b6839e [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate lambda_calc 2.2.2 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" "+998b6603a58e47f42ccce7a67943234e96b6839e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 504630e08367ee45374ac4a8aa4935adc9f984b6b288187d98a1af879977e6e0 [INFO] running `Command { std: "docker" "start" "-a" "504630e08367ee45374ac4a8aa4935adc9f984b6b288187d98a1af879977e6e0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "504630e08367ee45374ac4a8aa4935adc9f984b6b288187d98a1af879977e6e0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "504630e08367ee45374ac4a8aa4935adc9f984b6b288187d98a1af879977e6e0", kill_on_drop: false }` [INFO] [stdout] 504630e08367ee45374ac4a8aa4935adc9f984b6b288187d98a1af879977e6e0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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" "+998b6603a58e47f42ccce7a67943234e96b6839e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 483bbc1813d1c3b25df0c708baa8109c9eb699547a16edad2f38542ddd4042e1 [INFO] running `Command { std: "docker" "start" "-a" "483bbc1813d1c3b25df0c708baa8109c9eb699547a16edad2f38542ddd4042e1", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.60 [INFO] [stderr] Checking cfg-if v0.1.9 [INFO] [stderr] Compiling proc-macro2 v1.0.4 [INFO] [stderr] Compiling unicode-xid v0.2.0 [INFO] [stderr] Compiling bitflags v1.1.0 [INFO] [stderr] Compiling log v0.4.7 [INFO] [stderr] Compiling memchr v2.2.1 [INFO] [stderr] Compiling syn v1.0.5 [INFO] [stderr] Compiling nix v0.14.1 [INFO] [stderr] Checking arc-swap v0.4.5 [INFO] [stderr] Checking void v1.0.2 [INFO] [stderr] Checking unicode-segmentation v1.3.0 [INFO] [stderr] Checking unicode-width v0.1.5 [INFO] [stderr] Checking utf8parse v0.1.1 [INFO] [stderr] Compiling quote v1.0.2 [INFO] [stderr] Checking dirs-sys v0.3.3 [INFO] [stderr] Checking signal-hook-registry v1.2.0 [INFO] [stderr] Checking signal-hook v0.1.13 [INFO] [stderr] Checking dirs v2.0.1 [INFO] [stderr] Compiling rustyline-derive v0.2.0 [INFO] [stderr] Checking rustyline v5.0.0 [INFO] [stderr] Checking lambda_calc v2.2.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/repl.rs:238:36 [INFO] [stdout] | [INFO] [stdout] 238 | fn get_command_starts_with(prefix: &str) -> Option<&CommandClassifier> { [INFO] [stdout] | ^^^^ ------------------ [INFO] [stdout] | | || [INFO] [stdout] | | |the lifetimes get resolved as `'_` [INFO] [stdout] | | the lifetimes get resolved as `'_` [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] 238 | fn get_command_starts_with(prefix: &str) -> Option<&CommandClassifier<'_>> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/repl.rs:247:22 [INFO] [stdout] | [INFO] [stdout] 247 | fn get_command(name: &str) -> Option<&CommandClassifier> { [INFO] [stdout] | ^^^^ ------------------ [INFO] [stdout] | | || [INFO] [stdout] | | |the lifetimes get resolved as `'_` [INFO] [stdout] | | the lifetimes get resolved as `'_` [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] 247 | fn get_command(name: &str) -> Option<&CommandClassifier<'_>> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/repl.rs:238:36 [INFO] [stdout] | [INFO] [stdout] 238 | fn get_command_starts_with(prefix: &str) -> Option<&CommandClassifier> { [INFO] [stdout] | ^^^^ ------------------ [INFO] [stdout] | | || [INFO] [stdout] | | |the lifetimes get resolved as `'_` [INFO] [stdout] | | the lifetimes get resolved as `'_` [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] 238 | fn get_command_starts_with(prefix: &str) -> Option<&CommandClassifier<'_>> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/repl.rs:247:22 [INFO] [stdout] | [INFO] [stdout] 247 | fn get_command(name: &str) -> Option<&CommandClassifier> { [INFO] [stdout] | ^^^^ ------------------ [INFO] [stdout] | | || [INFO] [stdout] | | |the lifetimes get resolved as `'_` [INFO] [stdout] | | the lifetimes get resolved as `'_` [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] 247 | fn get_command(name: &str) -> Option<&CommandClassifier<'_>> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.99s [INFO] running `Command { std: "docker" "inspect" "483bbc1813d1c3b25df0c708baa8109c9eb699547a16edad2f38542ddd4042e1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "483bbc1813d1c3b25df0c708baa8109c9eb699547a16edad2f38542ddd4042e1", kill_on_drop: false }` [INFO] [stdout] 483bbc1813d1c3b25df0c708baa8109c9eb699547a16edad2f38542ddd4042e1