[INFO] fetching crate conshomfold 0.1.1... [INFO] checking conshomfold-0.1.1 against master#dfd7b8d03fb93d0e03147d28b3be6d93260fa94d for pr-87050 [INFO] extracting crate conshomfold 0.1.1 into /workspace/builds/worker-4/source [INFO] validating manifest of crates.io crate conshomfold 0.1.1 on toolchain dfd7b8d03fb93d0e03147d28b3be6d93260fa94d [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate conshomfold 0.1.1 [INFO] finished tweaking crates.io crate conshomfold 0.1.1 [INFO] tweaked toml for crates.io crate conshomfold 0.1.1 written to /workspace/builds/worker-4/source/Cargo.toml [INFO] crate crates.io crate conshomfold 0.1.1 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "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-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] f1e8dec60f3ed318af481d7da60e6685c30da2bb0a1c0624abe0f39c27c48174 [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" "f1e8dec60f3ed318af481d7da60e6685c30da2bb0a1c0624abe0f39c27c48174", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f1e8dec60f3ed318af481d7da60e6685c30da2bb0a1c0624abe0f39c27c48174", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f1e8dec60f3ed318af481d7da60e6685c30da2bb0a1c0624abe0f39c27c48174", kill_on_drop: false }` [INFO] [stdout] f1e8dec60f3ed318af481d7da60e6685c30da2bb0a1c0624abe0f39c27c48174 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] a0e9cac8e262e67298ead6f3551b030bc143c293e98cd38a875eae69666d7d4e [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" "a0e9cac8e262e67298ead6f3551b030bc143c293e98cd38a875eae69666d7d4e", 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 serde_derive v1.0.117 [INFO] [stderr] Compiling memchr v2.3.4 [INFO] [stderr] Compiling serde v1.0.117 [INFO] [stderr] Compiling libc v0.2.80 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Compiling semver v0.1.20 [INFO] [stderr] Compiling bv v0.7.4 [INFO] [stderr] Compiling ndarray v0.9.1 [INFO] [stderr] Checking void v1.0.2 [INFO] [stderr] Checking itoa v0.4.6 [INFO] [stderr] Checking hashbrown v0.3.1 [INFO] [stderr] Checking lazy_static v0.1.16 [INFO] [stderr] Checking bit-vec v0.4.4 [INFO] [stderr] Checking bytecount v0.3.2 [INFO] [stderr] Checking approx v0.1.1 [INFO] [stderr] Checking lazy_static v0.2.11 [INFO] [stderr] Checking custom_derive v0.1.7 [INFO] [stderr] Checking scoped_threadpool v0.1.9 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Compiling num-bigint v0.3.1 [INFO] [stderr] Compiling num-rational v0.3.2 [INFO] [stderr] Checking itertools v0.6.5 [INFO] [stderr] Checking itertools v0.7.11 [INFO] [stderr] Checking unreachable v1.0.0 [INFO] [stderr] Checking thread_local v0.3.6 [INFO] [stderr] Checking getopts v0.2.21 [INFO] [stderr] Checking bit-set v0.4.0 [INFO] [stderr] Checking regex-automata v0.1.9 [INFO] [stderr] Checking fxhash v0.2.1 [INFO] [stderr] Checking num-traits v0.1.43 [INFO] [stderr] Checking num-complex v0.1.43 [INFO] [stderr] Checking num-complex v0.3.1 [INFO] [stderr] Checking itertools-num v0.1.3 [INFO] [stderr] Compiling rustc_version v0.1.7 [INFO] [stderr] Checking ordered-float v0.5.2 [INFO] [stderr] Compiling newtype_derive v0.1.6 [INFO] [stderr] Checking csv-core v0.1.10 [INFO] [stderr] Checking aho-corasick v0.6.10 [INFO] [stderr] Checking num-iter v0.1.42 [INFO] [stderr] Compiling quote v1.0.7 [INFO] [stderr] Checking regex v0.2.11 [INFO] [stderr] Checking time v0.1.44 [INFO] [stderr] Checking num_cpus v1.13.0 [INFO] [stderr] Checking bio-seq-algos v0.1.17 [INFO] [stderr] Checking rna-ss-params v0.1.17 [INFO] [stderr] Checking num v0.3.1 [INFO] [stderr] Checking bstr v0.2.14 [INFO] [stderr] Checking multimap v0.4.0 [INFO] [stderr] Checking vec_map v0.8.2 [INFO] [stderr] Checking csv v1.1.4 [INFO] [stderr] Checking bio v0.20.3 [INFO] [stderr] Checking rna-algos v0.1.16 [INFO] [stderr] Checking consprob v0.1.1 [INFO] [stderr] Checking conshomfold v0.1.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> src/main.rs:34:72 [INFO] [stdout] | [INFO] [stdout] 34 | Err(failure) => {print_program_usage(&program_name, &opts); panic!(failure.to_string())} [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_fmt_panics)]` on by default [INFO] [stdout] = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: add a "{}" format string to Display the message [INFO] [stdout] | [INFO] [stdout] 34 | Err(failure) => {print_program_usage(&program_name, &opts); panic!("{}", failure.to_string())} [INFO] [stdout] | ^^^^^ [INFO] [stdout] help: or use std::panic::panic_any instead [INFO] [stdout] | [INFO] [stdout] 34 | Err(failure) => {print_program_usage(&program_name, &opts); std::panic::panic_any(failure.to_string())} [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> src/main.rs:34:72 [INFO] [stdout] | [INFO] [stdout] 34 | Err(failure) => {print_program_usage(&program_name, &opts); panic!(failure.to_string())} [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_fmt_panics)]` on by default [INFO] [stdout] = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: add a "{}" format string to Display the message [INFO] [stdout] | [INFO] [stdout] 34 | Err(failure) => {print_program_usage(&program_name, &opts); panic!("{}", failure.to_string())} [INFO] [stdout] | ^^^^^ [INFO] [stdout] help: or use std::panic::panic_any instead [INFO] [stdout] | [INFO] [stdout] 34 | Err(failure) => {print_program_usage(&program_name, &opts); std::panic::panic_any(failure.to_string())} [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1m 01s [INFO] running `Command { std: "docker" "inspect" "a0e9cac8e262e67298ead6f3551b030bc143c293e98cd38a875eae69666d7d4e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a0e9cac8e262e67298ead6f3551b030bc143c293e98cd38a875eae69666d7d4e", kill_on_drop: false }` [INFO] [stdout] a0e9cac8e262e67298ead6f3551b030bc143c293e98cd38a875eae69666d7d4e