[INFO] crate test_common 1.3.0 is already in cache
[INFO] testing test_common-1.3.0 against master#28742a1146f10a4f09369baad027a464acb7a766 for pr-71274
[INFO] extracting crate test_common 1.3.0 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate test_common 1.3.0 on toolchain 28742a1146f10a4f09369baad027a464acb7a766
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate test_common 1.3.0
[INFO] finished tweaking crates.io crate test_common 1.3.0
[INFO] tweaked toml for crates.io crate test_common 1.3.0 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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=forbid" "-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" "+28742a1146f10a4f09369baad027a464acb7a766" "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] 57777e9da3897b4fd14264e486fd89ca02d3b49728453d994e77831b4a8b4ac0
[INFO] running `"docker" "start" "-a" "57777e9da3897b4fd14264e486fd89ca02d3b49728453d994e77831b4a8b4ac0"`
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling ring v0.14.6
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling tempfile v3.1.0
[INFO] [stderr]    Compiling test_common v1.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.36s
[INFO] running `"docker" "inspect" "57777e9da3897b4fd14264e486fd89ca02d3b49728453d994e77831b4a8b4ac0"`
[INFO] running `"docker" "rm" "-f" "57777e9da3897b4fd14264e486fd89ca02d3b49728453d994e77831b4a8b4ac0"`
[INFO] [stdout] 57777e9da3897b4fd14264e486fd89ca02d3b49728453d994e77831b4a8b4ac0
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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=forbid" "-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" "+28742a1146f10a4f09369baad027a464acb7a766" "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] 59d49cfcb13eadab62934bf612cc4b6e8a9333196a9c4efed6cfc00e5a30a12c
[INFO] running `"docker" "start" "-a" "59d49cfcb13eadab62934bf612cc4b6e8a9333196a9c4efed6cfc00e5a30a12c"`
[INFO] [stderr]    Compiling data-encoding v2.2.0
[INFO] [stderr]    Compiling test_common v1.3.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: value assigned to `test_folder_path` is never read
[INFO] [stderr]   --> src/fs/tmp.rs:65:13
[INFO] [stderr]    |
[INFO] [stderr] 65 |         let mut test_folder_path = PathBuf::from("/");
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 4.96s
[INFO] running `"docker" "inspect" "59d49cfcb13eadab62934bf612cc4b6e8a9333196a9c4efed6cfc00e5a30a12c"`
[INFO] running `"docker" "rm" "-f" "59d49cfcb13eadab62934bf612cc4b6e8a9333196a9c4efed6cfc00e5a30a12c"`
[INFO] [stdout] 59d49cfcb13eadab62934bf612cc4b6e8a9333196a9c4efed6cfc00e5a30a12c
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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=forbid" "-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" "+28742a1146f10a4f09369baad027a464acb7a766" "test" "--frozen"`
[INFO] [stdout] 2f2616c447ef20922121896059fc965890fbdb97efb46da89e89a9ffd44d1601
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "2f2616c447ef20922121896059fc965890fbdb97efb46da89e89a9ffd44d1601"`
[INFO] [stderr] warning: value assigned to `test_folder_path` is never read
[INFO] [stderr]   --> src/fs/tmp.rs:65:13
[INFO] [stderr]    |
[INFO] [stderr] 65 |         let mut test_folder_path = PathBuf::from("/");
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.22s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/test_common-68059f830e38211a
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test system::env::tests::test_previously_existing_environment_variable_creation ... ok
[INFO] [stdout] test system::env::tests::test_set_var ... ok
[INFO] [stdout] test system::env::tests::test_not_previously_existing_environment_variable_creation ... ok
[INFO] [stdout] test random::strings::tests::test_random_string ... ok
[INFO] [stdout] test fs::ops::tests::test_delete_existing_files ... ok
[INFO] [stdout] test fs::ops::tests::test_delete_file ... ok
[INFO] [stdout] test fs::ops::tests::test_copy_files ... ok
[INFO] [stdout] test fs::ops::tests::test_deleting_non_existing_files ... ok
[INFO] [stdout] test fs::crypto::tests::test_hash_file ... ok
[INFO] [stdout] test fs::tmp::tests::test_create_test_environment ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests test_common
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/fs/tmp.rs - fs::tmp::TestEnvironment (line 13) ... ok
[INFO] [stdout] test src/system/env.rs - system::env::TemporalEnvironmentVariable (line 10) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "2f2616c447ef20922121896059fc965890fbdb97efb46da89e89a9ffd44d1601"`
[INFO] running `"docker" "rm" "-f" "2f2616c447ef20922121896059fc965890fbdb97efb46da89e89a9ffd44d1601"`
[INFO] [stdout] 2f2616c447ef20922121896059fc965890fbdb97efb46da89e89a9ffd44d1601