[INFO] cloning repository https://github.com/taku-n/close
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/taku-n/close" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftaku-n%2Fclose"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftaku-n%2Fclose'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 594dc065e9f1fb77a8af1230059b04e6ebccf876
[INFO] testing taku-n/close against beta-2020-06-03 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftaku-n%2Fclose" "/workspace/builds/worker-3/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/taku-n/close on toolchain beta-2020-06-03
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/taku-n/close
[INFO] finished tweaking git repo https://github.com/taku-n/close
[INFO] tweaked toml for git repo https://github.com/taku-n/close written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/taku-n/close already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] a9ac70189ca052ec481d43ee35d2de28374bf6d4871a28acaa3e5b0eef6bc588
[INFO] running `"docker" "start" "-a" "a9ac70189ca052ec481d43ee35d2de28374bf6d4871a28acaa3e5b0eef6bc588"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling close v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `std::mem`
[INFO] [stderr]  --> src/lib.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::mem;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `e`
[INFO] [stderr]   --> src/dbg.rs:11:13
[INFO] [stderr]    |
[INFO] [stderr] 11 |         Err(e) => {
[INFO] [stderr]    |             ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `i32`
[INFO] [stderr]   --> src/dbg.rs:19:8
[INFO] [stderr]    |
[INFO] [stderr] 19 | pub fn i32(x: i32) {
[INFO] [stderr]    |        ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `f64`
[INFO] [stderr]   --> src/dbg.rs:23:8
[INFO] [stderr]    |
[INFO] [stderr] 23 | pub fn f64(x: f64) {
[INFO] [stderr]    |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `s_i32`
[INFO] [stderr]   --> src/dbg.rs:27:8
[INFO] [stderr]    |
[INFO] [stderr] 27 | pub fn s_i32(s: &[i32]) {
[INFO] [stderr]    |        ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/dbg.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 16 |     stream.write(s.as_bytes());
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: 6 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.50s
[INFO] running `"docker" "inspect" "a9ac70189ca052ec481d43ee35d2de28374bf6d4871a28acaa3e5b0eef6bc588"`
[INFO] running `"docker" "rm" "-f" "a9ac70189ca052ec481d43ee35d2de28374bf6d4871a28acaa3e5b0eef6bc588"`
[INFO] [stdout] a9ac70189ca052ec481d43ee35d2de28374bf6d4871a28acaa3e5b0eef6bc588
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 6eace48c76fe9d0f8644e25b17199ff300d422043057df8ad684e22907486b7a
[INFO] running `"docker" "start" "-a" "6eace48c76fe9d0f8644e25b17199ff300d422043057df8ad684e22907486b7a"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling close v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `std::mem`
[INFO] [stderr]  --> src/lib.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::mem;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `e`
[INFO] [stderr]   --> src/dbg.rs:11:13
[INFO] [stderr]    |
[INFO] [stderr] 11 |         Err(e) => {
[INFO] [stderr]    |             ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `i32`
[INFO] [stderr]   --> src/dbg.rs:19:8
[INFO] [stderr]    |
[INFO] [stderr] 19 | pub fn i32(x: i32) {
[INFO] [stderr]    |        ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `f64`
[INFO] [stderr]   --> src/dbg.rs:23:8
[INFO] [stderr]    |
[INFO] [stderr] 23 | pub fn f64(x: f64) {
[INFO] [stderr]    |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `s_i32`
[INFO] [stderr]   --> src/dbg.rs:27:8
[INFO] [stderr]    |
[INFO] [stderr] 27 | pub fn s_i32(s: &[i32]) {
[INFO] [stderr]    |        ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/dbg.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 16 |     stream.write(s.as_bytes());
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: 6 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.59s
[INFO] running `"docker" "inspect" "6eace48c76fe9d0f8644e25b17199ff300d422043057df8ad684e22907486b7a"`
[INFO] running `"docker" "rm" "-f" "6eace48c76fe9d0f8644e25b17199ff300d422043057df8ad684e22907486b7a"`
[INFO] [stdout] 6eace48c76fe9d0f8644e25b17199ff300d422043057df8ad684e22907486b7a
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] a7a8438aba05370423bcf9cc7d1e4509c28e5c6cd5ee3fa51ab8b0baa5c46b78
[INFO] running `"docker" "start" "-a" "a7a8438aba05370423bcf9cc7d1e4509c28e5c6cd5ee3fa51ab8b0baa5c46b78"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr] warning: unused import: `std::mem`
[INFO] [stdout] 
[INFO] [stderr]  --> src/lib.rs:5:5
[INFO] [stdout] running 0 tests
[INFO] [stderr]   |
[INFO] [stdout] 
[INFO] [stderr] 5 | use std::mem;
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `e`
[INFO] [stderr]   --> src/dbg.rs:11:13
[INFO] [stderr]    |
[INFO] [stderr] 11 |         Err(e) => {
[INFO] [stderr]    |             ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `i32`
[INFO] [stderr]   --> src/dbg.rs:19:8
[INFO] [stderr]    |
[INFO] [stderr] 19 | pub fn i32(x: i32) {
[INFO] [stderr]    |        ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `f64`
[INFO] [stderr]   --> src/dbg.rs:23:8
[INFO] [stderr]    |
[INFO] [stderr] 23 | pub fn f64(x: f64) {
[INFO] [stderr]    |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `s_i32`
[INFO] [stderr]   --> src/dbg.rs:27:8
[INFO] [stderr]    |
[INFO] [stderr] 27 | pub fn s_i32(s: &[i32]) {
[INFO] [stderr]    |        ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/dbg.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 16 |     stream.write(s.as_bytes());
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: 6 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/close-d787c931d0a7fadf
[INFO] running `"docker" "inspect" "a7a8438aba05370423bcf9cc7d1e4509c28e5c6cd5ee3fa51ab8b0baa5c46b78"`
[INFO] running `"docker" "rm" "-f" "a7a8438aba05370423bcf9cc7d1e4509c28e5c6cd5ee3fa51ab8b0baa5c46b78"`
[INFO] [stdout] a7a8438aba05370423bcf9cc7d1e4509c28e5c6cd5ee3fa51ab8b0baa5c46b78