[INFO] fetching crate file_store 0.0.1...
[INFO] testing file_store-0.0.1 against beta-2020-06-03 for beta-1.45-1
[INFO] extracting crate file_store 0.0.1 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate file_store 0.0.1 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 crates.io crate file_store 0.0.1
[INFO] finished tweaking crates.io crate file_store 0.0.1
[INFO] tweaked toml for crates.io crate file_store 0.0.1 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 1aba2f68ea58030a0968be5a94c81236a597c17c33692e0287908eace1112d01
[INFO] running `"docker" "start" "-a" "1aba2f68ea58030a0968be5a94c81236a597c17c33692e0287908eace1112d01"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling thread-scoped v1.0.2
[INFO] [stderr]    Compiling file_node v0.0.1
[INFO] [stderr]    Compiling fuse v0.3.1
[INFO] [stderr]    Compiling file_store v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `time::Timespec`
[INFO] [stderr]  --> src/fstore.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use time::Timespec;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `log::*`
[INFO] [stderr]  --> src/fstore.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 | use log::*;
[INFO] [stderr]   |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::fmt`
[INFO] [stderr]  --> src/inode.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::fmt;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.97s
[INFO] running `"docker" "inspect" "1aba2f68ea58030a0968be5a94c81236a597c17c33692e0287908eace1112d01"`
[INFO] running `"docker" "rm" "-f" "1aba2f68ea58030a0968be5a94c81236a597c17c33692e0287908eace1112d01"`
[INFO] [stdout] 1aba2f68ea58030a0968be5a94c81236a597c17c33692e0287908eace1112d01
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 6621b40709bc4755e5363ddbcfeb2cc7c4371125aa967d04adc7349e28b7a291
[INFO] running `"docker" "start" "-a" "6621b40709bc4755e5363ddbcfeb2cc7c4371125aa967d04adc7349e28b7a291"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling file_store v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `time::Timespec`
[INFO] [stderr]  --> src/fstore.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use time::Timespec;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `log::*`
[INFO] [stderr]  --> src/fstore.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 | use log::*;
[INFO] [stderr]   |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::fmt`
[INFO] [stderr]  --> src/inode.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::fmt;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `time::Timespec`
[INFO] [stderr]  --> src/fstore.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use time::Timespec;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `log::*`
[INFO] [stderr]  --> src/fstore.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 | use log::*;
[INFO] [stderr]   |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::fmt`
[INFO] [stderr]  --> src/inode.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::fmt;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.69s
[INFO] running `"docker" "inspect" "6621b40709bc4755e5363ddbcfeb2cc7c4371125aa967d04adc7349e28b7a291"`
[INFO] running `"docker" "rm" "-f" "6621b40709bc4755e5363ddbcfeb2cc7c4371125aa967d04adc7349e28b7a291"`
[INFO] [stdout] 6621b40709bc4755e5363ddbcfeb2cc7c4371125aa967d04adc7349e28b7a291
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] [stdout] 33f2159a66199ed194851682333418d7fc857fa397980ac5607ac4f046043cf2
[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" "33f2159a66199ed194851682333418d7fc857fa397980ac5607ac4f046043cf2"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr] warning: unused import: `time::Timespec`
[INFO] [stderr]  --> src/fstore.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use time::Timespec;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `log::*`
[INFO] [stderr]  --> src/fstore.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 | use log::*;
[INFO] [stderr]   |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::fmt`
[INFO] [stderr]  --> src/inode.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::fmt;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `time::Timespec`
[INFO] [stderr]  --> src/fstore.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use time::Timespec;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `log::*`
[INFO] [stderr]  --> src/fstore.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 | use log::*;
[INFO] [stderr]   |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::fmt`
[INFO] [stderr]  --> src/inode.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::fmt;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/file_store-12e2b01374f06fb3
[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] [stderr]    Doc-tests file_store
[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" "33f2159a66199ed194851682333418d7fc857fa397980ac5607ac4f046043cf2"`
[INFO] running `"docker" "rm" "-f" "33f2159a66199ed194851682333418d7fc857fa397980ac5607ac4f046043cf2"`
[INFO] [stdout] 33f2159a66199ed194851682333418d7fc857fa397980ac5607ac4f046043cf2