[INFO] updating cached repository yanganto/s3fs
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/yanganto/s3fs
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/yanganto/s3fs" "work/ex/beta-1.38-1/sources/1.37.0/gh/yanganto/s3fs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/yanganto/s3fs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/yanganto/s3fs" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/yanganto/s3fs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/yanganto/s3fs'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 29f34ad1ad6c812ca15c21ab3efe67c28a6a3734
[INFO] sha for GitHub repo yanganto/s3fs: 29f34ad1ad6c812ca15c21ab3efe67c28a6a3734
[INFO] validating manifest of yanganto/s3fs 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 yanganto/s3fs 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 yanganto/s3fs
[INFO] finished frobbing yanganto/s3fs
[INFO] frobbed toml for yanganto/s3fs written to work/ex/beta-1.38-1/sources/1.37.0/gh/yanganto/s3fs/Cargo.toml
[INFO] started frobbing yanganto/s3fs
[INFO] finished frobbing yanganto/s3fs
[INFO] frobbed toml for yanganto/s3fs written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/yanganto/s3fs/Cargo.toml
[INFO] crate yanganto/s3fs 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 yanganto/s3fs 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/yanganto/s3fs:/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] aa5176aeb0095a53c539a6b0a2b08dfa75b9929a2223bd5c76e0b21fbaf239a7
[INFO] running `"docker" "start" "-a" "aa5176aeb0095a53c539a6b0a2b08dfa75b9929a2223bd5c76e0b21fbaf239a7"`
[INFO] [stderr]    Compiling openssl v0.10.16
[INFO] [stderr]    Compiling serde v1.0.87
[INFO] [stderr]    Compiling sha1 v0.2.0
[INFO] [stderr]    Compiling backtrace v0.3.13
[INFO] [stderr]    Compiling tokio-sync v0.1.1
[INFO] [stderr]    Compiling tokio-service v0.1.0
[INFO] [stderr]    Compiling relay v0.1.1
[INFO] [stderr]    Compiling fuse v0.3.1
[INFO] [stderr]    Compiling openssl-sys v0.9.40
[INFO] [stderr]    Compiling regex-syntax v0.5.6
[INFO] [stderr]    Compiling smallvec v0.6.8
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling want v0.0.4
[INFO] [stderr]    Compiling hmac-sha1 v0.1.3
[INFO] [stderr]    Compiling rand_os v0.1.2
[INFO] [stderr]    Compiling iovec v0.1.2
[INFO] [stderr]    Compiling num_cpus v1.10.0
[INFO] [stderr]    Compiling net2 v0.2.33
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling time v0.1.42
[INFO] [stderr]    Compiling nix v0.11.0
[INFO] [stderr]    Compiling users v0.8.1
[INFO] [stderr]    Compiling backtrace-sys v0.1.28
[INFO] [stderr]    Compiling generic-array v0.8.3
[INFO] [stderr]    Compiling libflate v0.1.19
[INFO] [stderr]    Compiling bytes v0.4.11
[INFO] [stderr]    Compiling crossbeam-channel v0.3.8
[INFO] [stderr]    Compiling unicode-normalization v0.1.8
[INFO] [stderr]    Compiling futures-cpupool v0.1.8
[INFO] [stderr]    Compiling mio v0.6.16
[INFO] [stderr]    Compiling syn v0.15.26
[INFO] [stderr]    Compiling chrono v0.4.6
[INFO] [stderr]    Compiling rand_pcg v0.1.1
[INFO] [stderr]    Compiling rand v0.3.23
[INFO] [stderr]    Compiling crypto-mac v0.4.0
[INFO] [stderr]    Compiling digest v0.6.2
[INFO] [stderr]    Compiling block-buffer v0.2.0
[INFO] [stderr]    Compiling tokio-io v0.1.11
[INFO] [stderr]    Compiling http v0.1.15
[INFO] [stderr]    Compiling native-tls v0.2.2
[INFO] [stderr]    Compiling mio-uds v0.6.7
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling rust-crypto v0.2.36
[INFO] [stderr]    Compiling hmac v0.4.2
[INFO] [stderr]    Compiling sha2 v0.6.0
[INFO] [stderr]    Compiling tokio-codec v0.1.1
[INFO] [stderr]    Compiling ctrlc v3.1.1
[INFO] [stderr]    Compiling idna v0.1.5
[INFO] [stderr]    Compiling synstructure v0.10.1
[INFO] [stderr]    Compiling h2 v0.1.16
[INFO] [stderr]    Compiling parking_lot_core v0.4.0
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]    Compiling uuid v0.7.2
[INFO] [stderr]    Compiling url v1.7.2
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]    Compiling parking_lot v0.7.1
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]    Compiling serde_derive v1.0.87
[INFO] [stderr]    Compiling mime_guess v2.0.0-alpha.6
[INFO] [stderr]    Compiling serde_json v1.0.38
[INFO] [stderr]    Compiling toml v0.4.10
[INFO] [stderr]    Compiling crossbeam v0.6.0
[INFO] [stderr]    Compiling tokio-reactor v0.1.8
[INFO] [stderr]    Compiling serde_urlencoded v0.5.4
[INFO] [stderr]    Compiling failure v0.1.5
[INFO] [stderr]    Compiling tokio-threadpool v0.1.11
[INFO] [stderr]    Compiling quick-xml v0.12.4
[INFO] [stderr]    Compiling tokio-udp v0.1.3
[INFO] [stderr]    Compiling tokio-uds v0.2.5
[INFO] [stderr]    Compiling tokio-tcp v0.1.3
[INFO] [stderr]    Compiling tokio-fs v0.1.5
[INFO] [stderr]    Compiling tokio v0.1.15
[INFO] [stderr]    Compiling tokio-core v0.1.17
[INFO] [stderr]    Compiling hyper v0.12.24
[INFO] [stderr]    Compiling tokio-proto v0.1.1
[INFO] [stderr]    Compiling hyper v0.11.27
[INFO] [stderr]    Compiling hyper-tls v0.3.1
[INFO] [stderr]    Compiling reqwest v0.9.9
[INFO] [stderr]    Compiling s3handler v0.1.1
[INFO] [stderr]    Compiling s3fs v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]   --> src/main.rs:11:1
[INFO] [stderr]    |
[INFO] [stderr] 11 | #[macro_use]
[INFO] [stderr]    | ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `OpenOptions`
[INFO] [stderr]   --> src/main.rs:17:21
[INFO] [stderr]    |
[INFO] [stderr] 17 | use std::fs::{File, OpenOptions};
[INFO] [stderr]    |                     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io`
[INFO] [stderr]   --> src/main.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 18 | use std::io;
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `BufRead`, `BufReader`
[INFO] [stderr]   --> src/main.rs:19:28
[INFO] [stderr]    |
[INFO] [stderr] 19 | use std::io::{Read, Write, BufReader, BufRead};
[INFO] [stderr]    |                            ^^^^^^^^^  ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `LevelFilter`
[INFO] [stderr]   --> src/main.rs:28:36
[INFO] [stderr]    |
[INFO] [stderr] 28 | use log::{Record, Level, Metadata, LevelFilter};
[INFO] [stderr]    |                                    ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::env::home_dir': This function's behavior is unexpected and probably not what you want. Consider using the home_dir function from https://crates.io/crates/dirs instead.
[INFO] [stderr]    --> src/main.rs:176:23
[INFO] [stderr]     |
[INFO] [stderr] 176 |     let mut s3fscfg = std::env::home_dir().unwrap();
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: static item is never used: `MY_LOGGER`
[INFO] [stderr]   --> src/main.rs:30:1
[INFO] [stderr]    |
[INFO] [stderr] 30 | static MY_LOGGER: MyLogger = MyLogger;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `MyLogger`
[INFO] [stderr]   --> src/main.rs:32:1
[INFO] [stderr]    |
[INFO] [stderr] 32 | struct MyLogger;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable `HELLO_TXT_ATTR` should have a snake case name
[INFO] [stderr]   --> src/main.rs:80:13
[INFO] [stderr]    |
[INFO] [stderr] 80 |         let HELLO_TXT_ATTR: FileAttr = FileAttr {
[INFO] [stderr]    |             ^^^^^^^^^^^^^^ help: convert the identifier to snake case: `hello_txt_attr`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `HELLO_DIR_ATTR` should have a snake case name
[INFO] [stderr]    --> src/main.rs:104:13
[INFO] [stderr]     |
[INFO] [stderr] 104 |         let HELLO_DIR_ATTR: FileAttr = FileAttr {
[INFO] [stderr]     |             ^^^^^^^^^^^^^^ help: convert the identifier to snake case: `hello_dir_attr`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `HELLO_TXT_ATTR` should have a snake case name
[INFO] [stderr]    --> src/main.rs:120:13
[INFO] [stderr]     |
[INFO] [stderr] 120 |         let HELLO_TXT_ATTR: FileAttr = FileAttr {
[INFO] [stderr]     |             ^^^^^^^^^^^^^^ help: convert the identifier to snake case: `hello_txt_attr`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3m 36s
[INFO] running `"docker" "inspect" "aa5176aeb0095a53c539a6b0a2b08dfa75b9929a2223bd5c76e0b21fbaf239a7"`
[INFO] running `"docker" "rm" "-f" "aa5176aeb0095a53c539a6b0a2b08dfa75b9929a2223bd5c76e0b21fbaf239a7"`
[INFO] [stdout] aa5176aeb0095a53c539a6b0a2b08dfa75b9929a2223bd5c76e0b21fbaf239a7
[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/yanganto/s3fs:/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] dbbb163458205ea8c7643c0fe34c82672f1bca8a6cb91068beadad76fc705066
[INFO] running `"docker" "start" "-a" "dbbb163458205ea8c7643c0fe34c82672f1bca8a6cb91068beadad76fc705066"`
[INFO] [stderr]    Compiling s3fs v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]   --> src/main.rs:11:1
[INFO] [stderr]    |
[INFO] [stderr] 11 | #[macro_use]
[INFO] [stderr]    | ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `OpenOptions`
[INFO] [stderr]   --> src/main.rs:17:21
[INFO] [stderr]    |
[INFO] [stderr] 17 | use std::fs::{File, OpenOptions};
[INFO] [stderr]    |                     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io`
[INFO] [stderr]   --> src/main.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 18 | use std::io;
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `BufRead`, `BufReader`
[INFO] [stderr]   --> src/main.rs:19:28
[INFO] [stderr]    |
[INFO] [stderr] 19 | use std::io::{Read, Write, BufReader, BufRead};
[INFO] [stderr]    |                            ^^^^^^^^^  ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `LevelFilter`
[INFO] [stderr]   --> src/main.rs:28:36
[INFO] [stderr]    |
[INFO] [stderr] 28 | use log::{Record, Level, Metadata, LevelFilter};
[INFO] [stderr]    |                                    ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::env::home_dir': This function's behavior is unexpected and probably not what you want. Consider using the home_dir function from https://crates.io/crates/dirs instead.
[INFO] [stderr]    --> src/main.rs:176:23
[INFO] [stderr]     |
[INFO] [stderr] 176 |     let mut s3fscfg = std::env::home_dir().unwrap();
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: static item is never used: `MY_LOGGER`
[INFO] [stderr]   --> src/main.rs:30:1
[INFO] [stderr]    |
[INFO] [stderr] 30 | static MY_LOGGER: MyLogger = MyLogger;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `MyLogger`
[INFO] [stderr]   --> src/main.rs:32:1
[INFO] [stderr]    |
[INFO] [stderr] 32 | struct MyLogger;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable `HELLO_TXT_ATTR` should have a snake case name
[INFO] [stderr]   --> src/main.rs:80:13
[INFO] [stderr]    |
[INFO] [stderr] 80 |         let HELLO_TXT_ATTR: FileAttr = FileAttr {
[INFO] [stderr]    |             ^^^^^^^^^^^^^^ help: convert the identifier to snake case: `hello_txt_attr`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `HELLO_DIR_ATTR` should have a snake case name
[INFO] [stderr]    --> src/main.rs:104:13
[INFO] [stderr]     |
[INFO] [stderr] 104 |         let HELLO_DIR_ATTR: FileAttr = FileAttr {
[INFO] [stderr]     |             ^^^^^^^^^^^^^^ help: convert the identifier to snake case: `hello_dir_attr`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `HELLO_TXT_ATTR` should have a snake case name
[INFO] [stderr]    --> src/main.rs:120:13
[INFO] [stderr]     |
[INFO] [stderr] 120 |         let HELLO_TXT_ATTR: FileAttr = FileAttr {
[INFO] [stderr]     |             ^^^^^^^^^^^^^^ help: convert the identifier to snake case: `hello_txt_attr`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.74s
[INFO] running `"docker" "inspect" "dbbb163458205ea8c7643c0fe34c82672f1bca8a6cb91068beadad76fc705066"`
[INFO] running `"docker" "rm" "-f" "dbbb163458205ea8c7643c0fe34c82672f1bca8a6cb91068beadad76fc705066"`
[INFO] [stdout] dbbb163458205ea8c7643c0fe34c82672f1bca8a6cb91068beadad76fc705066
[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/yanganto/s3fs:/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] ebecbea56bd45a73e7fca4f94906ba4ea33fc75665090fa669223a375d0596d7
[INFO] running `"docker" "start" "-a" "ebecbea56bd45a73e7fca4f94906ba4ea33fc75665090fa669223a375d0596d7"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.22s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/s3fs-b03f5d9d005aaa25
[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" "ebecbea56bd45a73e7fca4f94906ba4ea33fc75665090fa669223a375d0596d7"`
[INFO] running `"docker" "rm" "-f" "ebecbea56bd45a73e7fca4f94906ba4ea33fc75665090fa669223a375d0596d7"`
[INFO] [stdout] ebecbea56bd45a73e7fca4f94906ba4ea33fc75665090fa669223a375d0596d7