[INFO] fetching crate ecoz2 0.4.4...
[INFO] checking ecoz2-0.4.4 against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526
[INFO] extracting crate ecoz2 0.4.4 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate ecoz2 0.4.4 on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ecoz2 0.4.4
[INFO] finished tweaking crates.io crate ecoz2 0.4.4
[INFO] tweaked toml for crates.io crate ecoz2 0.4.4 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate ecoz2 0.4.4 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded paw-attributes v1.0.0
[INFO] [stderr]   Downloaded openmp-sys v0.1.7
[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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ee1c80e8dd95b39afcfc6cc91b9132fab35cc155a5c458ee686d5f290c57ca29
[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" "ee1c80e8dd95b39afcfc6cc91b9132fab35cc155a5c458ee686d5f290c57ca29", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ee1c80e8dd95b39afcfc6cc91b9132fab35cc155a5c458ee686d5f290c57ca29", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ee1c80e8dd95b39afcfc6cc91b9132fab35cc155a5c458ee686d5f290c57ca29", kill_on_drop: false }`
[INFO] [stdout] ee1c80e8dd95b39afcfc6cc91b9132fab35cc155a5c458ee686d5f290c57ca29
[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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 28df3c51f236f291fd07c4de7dc7a3d5aca8a2ba5dc1b5ba6d37923a2e354a75
[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" "28df3c51f236f291fd07c4de7dc7a3d5aca8a2ba5dc1b5ba6d37923a2e354a75", kill_on_drop: false }`
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[INFO] [stderr]    Compiling ecoz2 v0.4.4 (/opt/rustwide/workdir)
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[INFO] [stderr]    Compiling proc-macro-error v0.2.4
[INFO] [stderr] warning: ecoz2/src/ecoz2/ecoz2.c: In function 'get_seed':
[INFO] [stderr] warning: ecoz2/src/ecoz2/ecoz2.c:21:31: warning: implicit declaration of function 'time'; did you mean 'utimes'? [-Wimplicit-function-declaration]
[INFO] [stderr] warning:    21 |             return (unsigned) time(0);
[INFO] [stderr] warning:       |                               ^~~~
[INFO] [stderr] warning:       |                               utimes
[INFO] [stderr] warning: In file included from ecoz2/src/utl/utl.c:4:
[INFO] [stderr] warning: ecoz2/src/utl/utl.c: In function 'increment_stack_size':
[INFO] [stderr] warning: ecoz2/src/include/utl.h:12:18: warning: format '%Lu' expects argument of type 'long long unsigned int', but argument 3 has type 'rlim_t' {aka 'const long unsigned int'} [-Wformat=]
[INFO] [stderr] warning:    12 | #define RED(s)   "\x1b[31m" s "\x1b[0m"
[INFO] [stderr] warning:       |                  ^~~~~~~~~~
[INFO] [stderr] warning: ecoz2/src/utl/utl.c:70:25: note: in expansion of macro 'RED'
[INFO] [stderr] warning:    70 |                         RED("WARN: call to increment stack size to %LuMb returned %d\n"),
[INFO] [stderr] warning:       |                         ^~~
[INFO] [stderr] warning: ecoz2/src/utl/utl.c:70:70: note: format string is defined here
[INFO] [stderr] warning:    70 |                         RED("WARN: call to increment stack size to %LuMb returned %d\n"),
[INFO] [stderr] warning:       |                                                                    ~~^
[INFO] [stderr] warning:       |                                                                      |
[INFO] [stderr] warning:       |                                                                      long long unsigned int
[INFO] [stderr] warning:       |                                                                    %lu
[INFO] [stderr]    Compiling serde_derive v1.0.105
[INFO] [stderr]    Compiling pin-project-internal v0.4.16
[INFO] [stderr]    Compiling structopt-derive v0.3.0
[INFO] [stderr]    Compiling paw-attributes v1.0.0
[INFO] [stderr]     Checking structopt v0.3.0
[INFO] [stderr]     Checking paw v1.0.0
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[INFO] [stderr]     Checking criterion v0.3.1
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]    --> benches/../src/lpc/lpca_rs.rs:130:7
[INFO] [stdout]     |
[INFO] [stdout] 130 |   use super::*;
[INFO] [stdout]     |       ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `save`
[INFO] [stdout]    --> benches/../src/lpc/lpca_rs.rs:240:6
[INFO] [stdout]     |
[INFO] [stdout] 240 |   fn save(&mut self, filename: &str) {
[INFO] [stdout]     |      ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `lpca_save_input`
[INFO] [stdout]    --> benches/../src/lpc/lpca_rs.rs:247:8
[INFO] [stdout]     |
[INFO] [stdout] 247 | pub fn lpca_save_input(x: &[f64], p: usize, filename: &str) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [optimized + debuginfo] target(s) in 2m 40s
[INFO] running `Command { std: "docker" "inspect" "28df3c51f236f291fd07c4de7dc7a3d5aca8a2ba5dc1b5ba6d37923a2e354a75", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "28df3c51f236f291fd07c4de7dc7a3d5aca8a2ba5dc1b5ba6d37923a2e354a75", kill_on_drop: false }`
[INFO] [stdout] 28df3c51f236f291fd07c4de7dc7a3d5aca8a2ba5dc1b5ba6d37923a2e354a75