[INFO] fetching crate sensulator 0.5.0... [INFO] checking sensulator-0.5.0 against try#998b6603a58e47f42ccce7a67943234e96b6839e for pr-143170 [INFO] extracting crate sensulator 0.5.0 into /workspace/builds/worker-2-tc2/source [INFO] started tweaking crates.io crate sensulator 0.5.0 [INFO] finished tweaking crates.io crate sensulator 0.5.0 [INFO] tweaked toml for crates.io crate sensulator 0.5.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate sensulator 0.5.0 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 sensulator 0.5.0 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] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 59db02a3b190be0669c11bd7a46c67bdc64ca8b303b6d6cc3b324f446cda24a6 [INFO] running `Command { std: "docker" "start" "-a" "59db02a3b190be0669c11bd7a46c67bdc64ca8b303b6d6cc3b324f446cda24a6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "59db02a3b190be0669c11bd7a46c67bdc64ca8b303b6d6cc3b324f446cda24a6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "59db02a3b190be0669c11bd7a46c67bdc64ca8b303b6d6cc3b324f446cda24a6", kill_on_drop: false }` [INFO] [stdout] 59db02a3b190be0669c11bd7a46c67bdc64ca8b303b6d6cc3b324f446cda24a6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 1b0c10b3c744c901a0ab83e8706e07aa7402e5e403d82be47bef7714fda48a7a [INFO] running `Command { std: "docker" "start" "-a" "1b0c10b3c744c901a0ab83e8706e07aa7402e5e403d82be47bef7714fda48a7a", kill_on_drop: false }` [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Compiling libc v0.2.137 [INFO] [stderr] Compiling memchr v2.5.0 [INFO] [stderr] Compiling autocfg v1.1.0 [INFO] [stderr] Compiling libm v0.2.6 [INFO] [stderr] Checking ppv-lite86 v0.2.17 [INFO] [stderr] Compiling log v0.4.17 [INFO] [stderr] Checking regex-syntax v0.6.28 [INFO] [stderr] Compiling num-traits v0.2.15 [INFO] [stderr] Checking getrandom v0.2.8 [INFO] [stderr] Checking aho-corasick v0.7.20 [INFO] [stderr] Checking rand_core v0.6.4 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Checking regex v1.7.0 [INFO] [stderr] Checking rand_distr v0.4.3 [INFO] [stderr] Checking sensulator v0.5.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `rand_distr::num_traits::Float` [INFO] [stdout] --> src/lib.rs:11:5 [INFO] [stdout] | [INFO] [stdout] 11 | use rand_distr::num_traits::Float; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/lib.rs:38:88 [INFO] [stdout] | [INFO] [stdout] 38 | pub fn new(ctr_val: MeasureVal, abs_err_range: MeasureVal, rel_err: MeasureVal, rng: &mut T) -> Sensulator { [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] 38 | pub fn new(ctr_val: MeasureVal, abs_err_range: MeasureVal, rel_err: MeasureVal, rng: &mut T) -> Sensulator<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking env_logger v0.8.4 [INFO] [stderr] Checking quickcheck v1.0.3 [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/lib.rs:38:88 [INFO] [stdout] | [INFO] [stdout] 38 | pub fn new(ctr_val: MeasureVal, abs_err_range: MeasureVal, rel_err: MeasureVal, rng: &mut T) -> Sensulator { [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] 38 | pub fn new(ctr_val: MeasureVal, abs_err_range: MeasureVal, rel_err: MeasureVal, rng: &mut T) -> Sensulator<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.89s [INFO] running `Command { std: "docker" "inspect" "1b0c10b3c744c901a0ab83e8706e07aa7402e5e403d82be47bef7714fda48a7a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1b0c10b3c744c901a0ab83e8706e07aa7402e5e403d82be47bef7714fda48a7a", kill_on_drop: false }` [INFO] [stdout] 1b0c10b3c744c901a0ab83e8706e07aa7402e5e403d82be47bef7714fda48a7a