[INFO] fetching crate elk 0.3.1... [INFO] checking elk-0.3.1 against master#8c32e313cccf7df531e2d49ffb8227bb92304aee for pr-145608-1 [INFO] extracting crate elk 0.3.1 into /workspace/builds/worker-1-tc1/source [INFO] started tweaking crates.io crate elk 0.3.1 [INFO] finished tweaking crates.io crate elk 0.3.1 [INFO] tweaked toml for crates.io crate elk 0.3.1 written to /workspace/builds/worker-1-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate elk 0.3.1 on toolchain 8c32e313cccf7df531e2d49ffb8227bb92304aee [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate elk 0.3.1 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" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded terminal_size v0.1.15 [INFO] [stderr] Downloaded structopt v0.3.20 [INFO] [stderr] Downloaded colored v2.0.0 [INFO] [stderr] Downloaded structopt-derive v0.4.13 [INFO] [stderr] Downloaded unicode-width v0.1.8 [INFO] [stderr] Downloaded filesize v0.2.0 [INFO] [stderr] Downloaded serde_test v1.0.117 [INFO] [stderr] Downloaded heck v0.3.1 [INFO] [stderr] Downloaded failure_derive v0.1.8 [INFO] [stderr] Downloaded arrayref v0.3.6 [INFO] [stderr] Downloaded linked-hash-map v0.5.3 [INFO] [stderr] Downloaded dirs-sys v0.3.5 [INFO] [stderr] Downloaded synstructure v0.12.4 [INFO] [stderr] Downloaded linear-map v1.2.0 [INFO] [stderr] Downloaded dtoa v0.4.6 [INFO] [stderr] Downloaded getrandom v0.1.15 [INFO] [stderr] Downloaded crossbeam-utils v0.8.1 [INFO] [stderr] Downloaded failure v0.1.8 [INFO] [stderr] Downloaded addr2line v0.14.0 [INFO] [stderr] Downloaded serde_yaml v0.8.14 [INFO] [stderr] Downloaded backtrace v0.3.55 [INFO] [stderr] Downloaded serde v1.0.117 [INFO] [stderr] Downloaded yaml-rust v0.4.4 [INFO] [stderr] Downloaded clap v2.33.3 [INFO] [stderr] Downloaded unicode-segmentation v1.6.0 [INFO] [stderr] Downloaded object v0.22.0 [INFO] [stderr] Downloaded syn v1.0.48 [INFO] [stderr] Downloaded serde_yaml v0.7.5 [INFO] [stderr] Downloaded toml v0.4.10 [INFO] [stderr] Downloaded serde_derive v1.0.117 [INFO] [stderr] Downloaded dirs v3.0.1 [INFO] [stderr] Downloaded config_struct v0.5.0 [INFO] [stderr] Downloaded libc v0.2.80 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] e452e657780cc437c8259b38e5652139ce64b0f1b9d23be835532295baf3baf4 [INFO] running `Command { std: "docker" "start" "-a" "e452e657780cc437c8259b38e5652139ce64b0f1b9d23be835532295baf3baf4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e452e657780cc437c8259b38e5652139ce64b0f1b9d23be835532295baf3baf4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e452e657780cc437c8259b38e5652139ce64b0f1b9d23be835532295baf3baf4", kill_on_drop: false }` [INFO] [stdout] e452e657780cc437c8259b38e5652139ce64b0f1b9d23be835532295baf3baf4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 00c896ce66f3df8e58da0320c639fa434893ee9e3c2f4f574c84c5c0ca294ce1 [INFO] running `Command { std: "docker" "start" "-a" "00c896ce66f3df8e58da0320c639fa434893ee9e3c2f4f574c84c5c0ca294ce1", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.24 [INFO] [stderr] Compiling unicode-xid v0.2.1 [INFO] [stderr] Compiling syn v1.0.48 [INFO] [stderr] Compiling libc v0.2.80 [INFO] [stderr] Compiling serde_derive v1.0.117 [INFO] [stderr] Compiling serde v1.0.117 [INFO] [stderr] Compiling version_check v0.9.2 [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling gimli v0.23.0 [INFO] [stderr] Compiling failure_derive v0.1.8 [INFO] [stderr] Compiling adler v0.2.3 [INFO] [stderr] Compiling object v0.22.0 [INFO] [stderr] Compiling linked-hash-map v0.5.3 [INFO] [stderr] Compiling rustc-demangle v0.1.18 [INFO] [stderr] Compiling dtoa v0.4.6 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Checking unicode-width v0.1.8 [INFO] [stderr] Compiling unicode-segmentation v1.6.0 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Compiling yaml-rust v0.4.4 [INFO] [stderr] Checking filesize v0.2.0 [INFO] [stderr] Checking clap v2.33.3 [INFO] [stderr] Compiling heck v0.3.1 [INFO] [stderr] Compiling miniz_oxide v0.4.3 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Compiling dirs-sys v0.3.5 [INFO] [stderr] Compiling quote v1.0.7 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking terminal_size v0.1.15 [INFO] [stderr] Checking colored v2.0.0 [INFO] [stderr] Compiling dirs v3.0.1 [INFO] [stderr] Compiling addr2line v0.14.0 [INFO] [stderr] Compiling backtrace v0.3.55 [INFO] [stderr] Compiling synstructure v0.12.4 [INFO] [stderr] Compiling structopt-derive v0.4.13 [INFO] [stderr] Compiling failure v0.1.8 [INFO] [stderr] Checking structopt v0.3.20 [INFO] [stderr] Checking serde_yaml v0.8.14 [INFO] [stderr] Compiling serde_test v1.0.117 [INFO] [stderr] Compiling toml v0.4.10 [INFO] [stderr] Compiling serde_yaml v0.7.5 [INFO] [stderr] Compiling linear-map v1.2.0 [INFO] [stderr] Compiling config_struct v0.5.0 [INFO] [stderr] Compiling elk v0.3.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: creating a shared reference to mutable static [INFO] [stdout] --> src/statistic.rs:33:67 [INFO] [stdout] | [INFO] [stdout] 33 | output.push_str(format!("\nCharacters read:\t\t{}\n", total_chars).as_str()); [INFO] [stdout] | ^^^^^^^^^^^ shared reference to mutable static [INFO] [stdout] | [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives [INFO] [stdout] = note: `#[warn(static_mut_refs)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: creating a shared reference to mutable static [INFO] [stdout] --> src/statistic.rs:34:71 [INFO] [stdout] | [INFO] [stdout] 34 | output.push_str(format!("Unicode Characters read:\t{}\n", total_uni_chars).as_str()); [INFO] [stdout] | ^^^^^^^^^^^^^^^ shared reference to mutable static [INFO] [stdout] | [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: creating a shared reference to mutable static [INFO] [stdout] --> src/statistic.rs:33:67 [INFO] [stdout] | [INFO] [stdout] 33 | output.push_str(format!("\nCharacters read:\t\t{}\n", total_chars).as_str()); [INFO] [stdout] | ^^^^^^^^^^^ shared reference to mutable static [INFO] [stdout] | [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives [INFO] [stdout] = note: `#[warn(static_mut_refs)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: creating a shared reference to mutable static [INFO] [stdout] --> src/statistic.rs:34:71 [INFO] [stdout] | [INFO] [stdout] 34 | output.push_str(format!("Unicode Characters read:\t{}\n", total_uni_chars).as_str()); [INFO] [stdout] | ^^^^^^^^^^^^^^^ shared reference to mutable static [INFO] [stdout] | [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 24.38s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: serde_test v1.0.117 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1` [INFO] running `Command { std: "docker" "inspect" "00c896ce66f3df8e58da0320c639fa434893ee9e3c2f4f574c84c5c0ca294ce1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "00c896ce66f3df8e58da0320c639fa434893ee9e3c2f4f574c84c5c0ca294ce1", kill_on_drop: false }` [INFO] [stdout] 00c896ce66f3df8e58da0320c639fa434893ee9e3c2f4f574c84c5c0ca294ce1