[INFO] fetching crate biir 1.2.2... [INFO] checking biir-1.2.2 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never [INFO] extracting crate biir 1.2.2 into /workspace/builds/worker-4-tc1/source [INFO] validating manifest of crates.io crate biir 1.2.2 on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate biir 1.2.2 [INFO] finished tweaking crates.io crate biir 1.2.2 [INFO] tweaked toml for crates.io crate biir 1.2.2 written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] crate crates.io crate biir 1.2.2 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded version_check v0.9.3 [INFO] [stderr] Downloaded unicode-xid v0.2.2 [INFO] [stderr] Downloaded unicode-segmentation v1.7.1 [INFO] [stderr] Downloaded termion v1.5.6 [INFO] [stderr] Downloaded quote v1.0.9 [INFO] [stderr] Downloaded quick-error v2.0.1 [INFO] [stderr] Downloaded proc-macro2 v1.0.27 [INFO] [stderr] Downloaded test-case v1.2.0 [INFO] [stderr] Downloaded colored v2.0.0 [INFO] [stderr] Downloaded bit-set v0.5.2 [INFO] [stderr] Downloaded wasi v0.10.2+wasi-snapshot-preview1 [INFO] [stderr] Downloaded num-traits v0.2.14 [INFO] [stderr] Downloaded getrandom v0.2.3 [INFO] [stderr] Downloaded clap v2.33.3 [INFO] [stderr] Downloaded syn v1.0.73 [INFO] [stderr] Downloaded rand v0.8.4 [INFO] [stderr] Downloaded libc v0.2.97 [INFO] [stderr] Downloaded proptest v1.0.0 [INFO] [stderr] Downloaded aho-corasick v0.7.18 [INFO] [stderr] Downloaded memchr v2.4.0 [INFO] [stderr] Downloaded regex v1.5.4 [INFO] [stderr] Downloaded tempfile v3.2.0 [INFO] [stderr] Downloaded redox_syscall v0.2.9 [INFO] [stderr] Downloaded ppv-lite86 v0.2.10 [INFO] [stderr] Downloaded rand_core v0.6.3 [INFO] [stderr] Downloaded rand_hc v0.3.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] ba3a67188534a62a6a892577c77e429b8da8d8e50b654c7f35a672c1acccfd82 [INFO] running `Command { std: "docker" "start" "-a" "ba3a67188534a62a6a892577c77e429b8da8d8e50b654c7f35a672c1acccfd82", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ba3a67188534a62a6a892577c77e429b8da8d8e50b654c7f35a672c1acccfd82", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ba3a67188534a62a6a892577c77e429b8da8d8e50b654c7f35a672c1acccfd82", kill_on_drop: false }` [INFO] [stdout] ba3a67188534a62a6a892577c77e429b8da8d8e50b654c7f35a672c1acccfd82 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 518b47cb94ecd4042a3e5b1d41c764ba42df6e27bf82ff4b8d55a9849b097693 [INFO] running `Command { std: "docker" "start" "-a" "518b47cb94ecd4042a3e5b1d41c764ba42df6e27bf82ff4b8d55a9849b097693", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.97 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling proc-macro2 v1.0.27 [INFO] [stderr] Checking ppv-lite86 v0.2.10 [INFO] [stderr] Compiling unicode-xid v0.2.2 [INFO] [stderr] Checking unicode-width v0.1.8 [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling memchr v2.4.0 [INFO] [stderr] Checking vec_map v0.8.2 [INFO] [stderr] Compiling syn v1.0.73 [INFO] [stderr] Checking numtoa v0.1.0 [INFO] [stderr] Compiling version_check v0.9.3 [INFO] [stderr] Checking ansi_term v0.11.0 [INFO] [stderr] Checking strsim v0.8.0 [INFO] [stderr] Checking remove_dir_all v0.5.3 [INFO] [stderr] Checking bit-vec v0.6.3 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking regex-syntax v0.6.25 [INFO] [stderr] Checking unicode-segmentation v1.7.1 [INFO] [stderr] Checking quick-error v1.2.3 [INFO] [stderr] Checking quick-error v2.0.1 [INFO] [stderr] Checking byteorder v1.4.3 [INFO] [stderr] Checking bit-set v0.5.2 [INFO] [stderr] Compiling test-case v1.2.0 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Checking aho-corasick v0.7.18 [INFO] [stderr] Checking getrandom v0.2.3 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Checking wait-timeout v0.2.0 [INFO] [stderr] Checking termion v1.5.6 [INFO] [stderr] Checking clap v2.33.3 [INFO] [stderr] Checking colored v2.0.0 [INFO] [stderr] Checking rand_core v0.6.3 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand_xorshift v0.3.0 [INFO] [stderr] Checking rand v0.8.4 [INFO] [stderr] Checking regex v1.5.4 [INFO] [stderr] Checking tempfile v3.2.0 [INFO] [stderr] Checking rusty-fork v0.3.0 [INFO] [stderr] Checking proptest v1.0.0 [INFO] [stderr] Checking biir v1.2.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `colored::*` [INFO] [stdout] --> tests/integration_test.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use colored::*; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `crate::unicodes::*` [INFO] [stdout] --> src/traceback/test_traceback.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use crate::unicodes::*; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.07s [INFO] running `Command { std: "docker" "inspect" "518b47cb94ecd4042a3e5b1d41c764ba42df6e27bf82ff4b8d55a9849b097693", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "518b47cb94ecd4042a3e5b1d41c764ba42df6e27bf82ff4b8d55a9849b097693", kill_on_drop: false }` [INFO] [stdout] 518b47cb94ecd4042a3e5b1d41c764ba42df6e27bf82ff4b8d55a9849b097693