[INFO] cloning repository https://github.com/iamazy/rust-cookbook-code [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/iamazy/rust-cookbook-code" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fiamazy%2Frust-cookbook-code", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fiamazy%2Frust-cookbook-code'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 5eb15ca5cfb746ccbc833aeac9f60f8868701507 [INFO] checking iamazy/rust-cookbook-code against beta for pr-78714 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fiamazy%2Frust-cookbook-code" "/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/iamazy/rust-cookbook-code on toolchain beta [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/iamazy/rust-cookbook-code [INFO] finished tweaking git repo https://github.com/iamazy/rust-cookbook-code [INFO] tweaked toml for git repo https://github.com/iamazy/rust-cookbook-code written to /workspace/builds/worker-0/source/Cargo.toml [INFO] crate git repo https://github.com/iamazy/rust-cookbook-code already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--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-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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 418a8351298ce854f8a5a568b81a95330c311d41a525b72676fcfda97e3374ba [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" "418a8351298ce854f8a5a568b81a95330c311d41a525b72676fcfda97e3374ba", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "418a8351298ce854f8a5a568b81a95330c311d41a525b72676fcfda97e3374ba", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "418a8351298ce854f8a5a568b81a95330c311d41a525b72676fcfda97e3374ba", kill_on_drop: false }` [INFO] [stdout] 418a8351298ce854f8a5a568b81a95330c311d41a525b72676fcfda97e3374ba [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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 00f748f4f82780e2512715dfee5f1becc124c5d8330f43a3e4754dec703042d6 [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" "00f748f4f82780e2512715dfee5f1becc124c5d8330f43a3e4754dec703042d6", kill_on_drop: false }` [INFO] [stderr] Compiling protobuf v2.0.6 [INFO] [stderr] Compiling regex-syntax v0.6.17 [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Checking data-encoding v2.2.0 [INFO] [stderr] Compiling num-rational v0.2.3 [INFO] [stderr] Checking dirs-sys v0.3.4 [INFO] [stderr] Checking num_cpus v1.12.0 [INFO] [stderr] Checking xattr v0.2.2 [INFO] [stderr] Checking filetime v0.2.8 [INFO] [stderr] Compiling iovec v0.1.4 [INFO] [stderr] Checking flate2 v1.0.13 [INFO] [stderr] Checking ring v0.16.11 [INFO] [stderr] Checking bytes v0.4.12 [INFO] [stderr] Checking slog-scope v4.3.0 [INFO] [stderr] Checking num-complex v0.2.4 [INFO] [stderr] Checking chrono v0.4.11 [INFO] [stderr] Checking num-bigint v0.2.6 [INFO] [stderr] Checking slog-async v2.5.0 [INFO] [stderr] Checking error-chain v0.12.2 [INFO] [stderr] Checking threadpool v1.7.1 [INFO] [stderr] Checking dirs v2.0.2 [INFO] [stderr] Checking slog-stdlog v3.0.5 [INFO] [stderr] Checking rand v0.7.3 [INFO] [stderr] Checking tar v0.4.26 [INFO] [stderr] Checking term v0.6.1 [INFO] [stderr] Checking crossbeam v0.7.3 [INFO] [stderr] Checking rayon-core v1.7.0 [INFO] [stderr] Checking slog-stdlog v4.0.0 [INFO] [stderr] Checking rayon v1.3.0 [INFO] [stderr] Compiling quote v0.6.13 [INFO] [stderr] Checking slog-term v2.5.0 [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Checking rand_distr v0.2.2 [INFO] [stderr] Checking slog-envlogger v2.2.0 [INFO] [stderr] Checking num v0.2.1 [INFO] [stderr] Compiling regex v1.3.6 [INFO] [stderr] Checking jpeg-decoder v0.1.18 [INFO] [stderr] Checking image v0.23.0 [INFO] [stderr] Compiling getset v0.0.7 [INFO] [stderr] Compiling protobuf-codegen v2.0.6 [INFO] [stderr] Compiling protobuf-build v0.8.0 [INFO] [stderr] Compiling raft-proto v0.6.0-alpha [INFO] [stderr] Checking raft v0.6.0-alpha [INFO] [stderr] Checking rust-cookbook-code v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used [INFO] [stdout] --> examples/unpin.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | std::mem::replace(&mut *pinned_string, "other".to_string()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1m 15s [INFO] running `Command { std: "docker" "inspect" "00f748f4f82780e2512715dfee5f1becc124c5d8330f43a3e4754dec703042d6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "00f748f4f82780e2512715dfee5f1becc124c5d8330f43a3e4754dec703042d6", kill_on_drop: false }` [INFO] [stdout] 00f748f4f82780e2512715dfee5f1becc124c5d8330f43a3e4754dec703042d6