[INFO] updating cached repository gs0510/Dibba [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/gs0510/Dibba [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/gs0510/Dibba" "work/ex/beta-1.38-1/sources/1.37.0/gh/gs0510/Dibba"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/gs0510/Dibba'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/gs0510/Dibba" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/gs0510/Dibba"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/gs0510/Dibba'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] e5189be5d50d00c8d3bae907ec4150a0eade3595 [INFO] sha for GitHub repo gs0510/Dibba: e5189be5d50d00c8d3bae907ec4150a0eade3595 [INFO] validating manifest of gs0510/Dibba on toolchain 1.37.0 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of gs0510/Dibba on toolchain beta-2019-08-13 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing gs0510/Dibba [INFO] finished frobbing gs0510/Dibba [INFO] frobbed toml for gs0510/Dibba written to work/ex/beta-1.38-1/sources/1.37.0/gh/gs0510/Dibba/Cargo.toml [INFO] started frobbing gs0510/Dibba [INFO] finished frobbing gs0510/Dibba [INFO] frobbed toml for gs0510/Dibba written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/gs0510/Dibba/Cargo.toml [INFO] crate gs0510/Dibba already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] testing gs0510/Dibba against beta-2019-08-13 for beta-1.38-1 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/gs0510/Dibba:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-08-13" "build" "--frozen"` [INFO] [stdout] 8640894dbbaa9db3670345c13d663193cfc1331c99e031ddcbe0bc44afb84d81 [INFO] running `"docker" "start" "-a" "8640894dbbaa9db3670345c13d663193cfc1331c99e031ddcbe0bc44afb84d81"` [INFO] [stderr] Compiling container v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: unused imports: `thread`, `time` [INFO] [stderr] --> src/main.rs:8:11 [INFO] [stderr] | [INFO] [stderr] 8 | use std::{thread, time}; [INFO] [stderr] | ^^^^^^ ^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/main.rs:10:45 [INFO] [stderr] | [INFO] [stderr] 10 | type Result = std::result::Result>; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `string` [INFO] [stderr] --> src/main.rs:57:10 [INFO] [stderr] | [INFO] [stderr] 57 | fn child(string: &str) -> Result<()> { [INFO] [stderr] | ^^^^^^ help: consider prefixing with an underscore: `_string` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `setup_root_dir` [INFO] [stderr] --> src/main.rs:111:1 [INFO] [stderr] | [INFO] [stderr] 111 | fn setup_root_dir(root_path: &Path) -> Result<()> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `cleanup_root_dir` [INFO] [stderr] --> src/main.rs:124:1 [INFO] [stderr] | [INFO] [stderr] 124 | fn cleanup_root_dir(root_dir: &Path) -> Result<()> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:21:5 [INFO] [stderr] | [INFO] [stderr] 21 | setns(-1, CloneFlags::CLONE_NEWUTS); [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: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:22:5 [INFO] [stderr] | [INFO] [stderr] 22 | setns(-1, CloneFlags::CLONE_NEWPID); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:53:5 [INFO] [stderr] | [INFO] [stderr] 53 | fs::write(pid_max, "20".as_bytes()); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.31s [INFO] running `"docker" "inspect" "8640894dbbaa9db3670345c13d663193cfc1331c99e031ddcbe0bc44afb84d81"` [INFO] running `"docker" "rm" "-f" "8640894dbbaa9db3670345c13d663193cfc1331c99e031ddcbe0bc44afb84d81"` [INFO] [stdout] 8640894dbbaa9db3670345c13d663193cfc1331c99e031ddcbe0bc44afb84d81 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/gs0510/Dibba:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-08-13" "test" "--frozen" "--no-run"` [INFO] [stdout] 8991b4a6400350443500007c27999fbd55fc8a5b207f66b2206a5e6fa1516592 [INFO] running `"docker" "start" "-a" "8991b4a6400350443500007c27999fbd55fc8a5b207f66b2206a5e6fa1516592"` [INFO] [stderr] Compiling container v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: unused imports: `thread`, `time` [INFO] [stderr] --> src/main.rs:8:11 [INFO] [stderr] | [INFO] [stderr] 8 | use std::{thread, time}; [INFO] [stderr] | ^^^^^^ ^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/main.rs:10:45 [INFO] [stderr] | [INFO] [stderr] 10 | type Result = std::result::Result>; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `string` [INFO] [stderr] --> src/main.rs:57:10 [INFO] [stderr] | [INFO] [stderr] 57 | fn child(string: &str) -> Result<()> { [INFO] [stderr] | ^^^^^^ help: consider prefixing with an underscore: `_string` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `setup_root_dir` [INFO] [stderr] --> src/main.rs:111:1 [INFO] [stderr] | [INFO] [stderr] 111 | fn setup_root_dir(root_path: &Path) -> Result<()> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `cleanup_root_dir` [INFO] [stderr] --> src/main.rs:124:1 [INFO] [stderr] | [INFO] [stderr] 124 | fn cleanup_root_dir(root_dir: &Path) -> Result<()> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:21:5 [INFO] [stderr] | [INFO] [stderr] 21 | setns(-1, CloneFlags::CLONE_NEWUTS); [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: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:22:5 [INFO] [stderr] | [INFO] [stderr] 22 | setns(-1, CloneFlags::CLONE_NEWPID); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:53:5 [INFO] [stderr] | [INFO] [stderr] 53 | fs::write(pid_max, "20".as_bytes()); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.77s [INFO] running `"docker" "inspect" "8991b4a6400350443500007c27999fbd55fc8a5b207f66b2206a5e6fa1516592"` [INFO] running `"docker" "rm" "-f" "8991b4a6400350443500007c27999fbd55fc8a5b207f66b2206a5e6fa1516592"` [INFO] [stdout] 8991b4a6400350443500007c27999fbd55fc8a5b207f66b2206a5e6fa1516592 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/gs0510/Dibba:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-08-13" "test" "--frozen"` [INFO] [stdout] 12d8d95c7ae67f084e892697a88de914524c5673daf371b0e54dce8673dc05a1 [INFO] running `"docker" "start" "-a" "12d8d95c7ae67f084e892697a88de914524c5673daf371b0e54dce8673dc05a1"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.02s [INFO] [stderr] Running /opt/crater/target/debug/deps/container-a8c3628a0617dca3 [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" "12d8d95c7ae67f084e892697a88de914524c5673daf371b0e54dce8673dc05a1"` [INFO] running `"docker" "rm" "-f" "12d8d95c7ae67f084e892697a88de914524c5673daf371b0e54dce8673dc05a1"` [INFO] [stdout] 12d8d95c7ae67f084e892697a88de914524c5673daf371b0e54dce8673dc05a1