[INFO] updating cached repository https://github.com/liuyanghejerry/rust-wasm-size-bug
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 7f77930eea9150e3c1aace45ba838b201e6af730
[INFO] testing liuyanghejerry/rust-wasm-size-bug against beta-2020-06-03 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fliuyanghejerry%2Frust-wasm-size-bug" "/workspace/builds/worker-5/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/liuyanghejerry/rust-wasm-size-bug 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/liuyanghejerry/rust-wasm-size-bug
[INFO] finished tweaking git repo https://github.com/liuyanghejerry/rust-wasm-size-bug
[INFO] tweaked toml for git repo https://github.com/liuyanghejerry/rust-wasm-size-bug written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/liuyanghejerry/rust-wasm-size-bug 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] a98d8e7d777612e3abf103f1681036b7c95baeb7f122054db5e91e6c59e0f0c5
[INFO] running `"docker" "start" "-a" "a98d8e7d777612e3abf103f1681036b7c95baeb7f122054db5e91e6c59e0f0c5"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling wasm-size-bug v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused variable: `buf`
[INFO] [stderr]  --> src/lib.rs:4:9
[INFO] [stderr]   |
[INFO] [stderr] 4 |     let buf : &[u8] = std::slice::from_raw_parts(ptr, length as usize);
[INFO] [stderr]   |         ^^^ help: if this is intentional, prefix it with an underscore: `_buf`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.55s
[INFO] running `"docker" "inspect" "a98d8e7d777612e3abf103f1681036b7c95baeb7f122054db5e91e6c59e0f0c5"`
[INFO] running `"docker" "rm" "-f" "a98d8e7d777612e3abf103f1681036b7c95baeb7f122054db5e91e6c59e0f0c5"`
[INFO] [stdout] a98d8e7d777612e3abf103f1681036b7c95baeb7f122054db5e91e6c59e0f0c5
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] 5e332cf8353d94c4bcd6f4acc2d719788b4121b0746b73b7d8e88cdeb7eb6ae0
[INFO] running `"docker" "start" "-a" "5e332cf8353d94c4bcd6f4acc2d719788b4121b0746b73b7d8e88cdeb7eb6ae0"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling wasm-size-bug v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused variable: `buf`
[INFO] [stderr]  --> src/lib.rs:4:9
[INFO] [stderr]   |
[INFO] [stderr] 4 |     let buf : &[u8] = std::slice::from_raw_parts(ptr, length as usize);
[INFO] [stderr]   |         ^^^ help: if this is intentional, prefix it with an underscore: `_buf`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.77s
[INFO] running `"docker" "inspect" "5e332cf8353d94c4bcd6f4acc2d719788b4121b0746b73b7d8e88cdeb7eb6ae0"`
[INFO] running `"docker" "rm" "-f" "5e332cf8353d94c4bcd6f4acc2d719788b4121b0746b73b7d8e88cdeb7eb6ae0"`
[INFO] [stdout] 5e332cf8353d94c4bcd6f4acc2d719788b4121b0746b73b7d8e88cdeb7eb6ae0
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] a19a7eaf2a114ced6283394a9dbec1d4bc4cc2c33d032e5bec467e730240104e
[INFO] running `"docker" "start" "-a" "a19a7eaf2a114ced6283394a9dbec1d4bc4cc2c33d032e5bec467e730240104e"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr] warning: unused variable: `buf`
[INFO] [stderr]  --> src/lib.rs:4:9
[INFO] [stderr]   |
[INFO] [stderr] 4 |     let buf : &[u8] = std::slice::from_raw_parts(ptr, length as usize);
[INFO] [stderr]   |         ^^^ help: if this is intentional, prefix it with an underscore: `_buf`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/wasm_size_bug-b6a1f5a269cf608f
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "a19a7eaf2a114ced6283394a9dbec1d4bc4cc2c33d032e5bec467e730240104e"`
[INFO] running `"docker" "rm" "-f" "a19a7eaf2a114ced6283394a9dbec1d4bc4cc2c33d032e5bec467e730240104e"`
[INFO] [stdout] a19a7eaf2a114ced6283394a9dbec1d4bc4cc2c33d032e5bec467e730240104e