[INFO] updating cached repository weiznich/crates-mirror
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/weiznich/crates-mirror
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/weiznich/crates-mirror" "work/ex/beta-1.38-1/sources/1.37.0/gh/weiznich/crates-mirror"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/weiznich/crates-mirror'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/weiznich/crates-mirror" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/weiznich/crates-mirror"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/weiznich/crates-mirror'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 77fa7aacdfe022e139b787263b92acc85a9495f3
[INFO] sha for GitHub repo weiznich/crates-mirror: 77fa7aacdfe022e139b787263b92acc85a9495f3
[INFO] validating manifest of weiznich/crates-mirror 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 weiznich/crates-mirror 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 weiznich/crates-mirror
[INFO] finished frobbing weiznich/crates-mirror
[INFO] frobbed toml for weiznich/crates-mirror written to work/ex/beta-1.38-1/sources/1.37.0/gh/weiznich/crates-mirror/Cargo.toml
[INFO] started frobbing weiznich/crates-mirror
[INFO] finished frobbing weiznich/crates-mirror
[INFO] frobbed toml for weiznich/crates-mirror written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/weiznich/crates-mirror/Cargo.toml
[INFO] crate weiznich/crates-mirror 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] [stderr]     Updating crates.io index
[INFO] [stderr] error: the lock file /mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/weiznich/crates-mirror/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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 weiznich/crates-mirror 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-2/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/weiznich/crates-mirror:/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] 21f47eb23ba130190c34de6c298baa3cdf1ffeae992dd8a62fcc5844a8eba513
[INFO] running `"docker" "start" "-a" "21f47eb23ba130190c34de6c298baa3cdf1ffeae992dd8a62fcc5844a8eba513"`
[INFO] [stderr]    Compiling syn v1.0.3
[INFO] [stderr]    Compiling curl v0.4.22
[INFO] [stderr]    Compiling opaque-debug v0.2.3
[INFO] [stderr]    Compiling libssh2-sys v0.2.11
[INFO] [stderr]    Compiling curl-sys v0.4.20
[INFO] [stderr]    Compiling libgit2-sys v0.7.11
[INFO] [stderr]    Compiling socket2 v0.3.11
[INFO] [stderr]    Compiling digest v0.8.1
[INFO] [stderr]    Compiling block-buffer v0.7.3
[INFO] [stderr]    Compiling env_logger v0.6.2
[INFO] [stderr]    Compiling sha2 v0.8.0
[INFO] [stderr]    Compiling serde_derive v1.0.99
[INFO] [stderr]    Compiling git2 v0.7.5
[INFO] [stderr]    Compiling crates-mirror v0.2.1 (/opt/crater/workdir)
[INFO] [stderr] warning: the item `File` is imported redundantly
[INFO] [stderr]   --> src/main.rs:66:13
[INFO] [stderr]    |
[INFO] [stderr] 24 | use std::fs::{create_dir_all, File};
[INFO] [stderr]    |                               ---- the item `File` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 66 |         use std::fs::File;
[INFO] [stderr]    |             ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] note: lint level defined here
[INFO] [stderr]   --> src/main.rs:8:9
[INFO] [stderr]    |
[INFO] [stderr] 8  | #![deny(warnings)]
[INFO] [stderr]    |         ^^^^^^^^
[INFO] [stderr]    = note: `#[warn(unused_imports)]` implied by `#[warn(warnings)]`
[INFO] [stderr] 
[INFO] [stderr] warning: the item `Read` is imported redundantly
[INFO] [stderr]   --> src/main.rs:67:13
[INFO] [stderr]    |
[INFO] [stderr] 25 | use std::io::{BufWriter, Write, Read, BufReader, BufRead};
[INFO] [stderr]    |                                 ---- the item `Read` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 67 |         use std::io::Read;
[INFO] [stderr]    |             ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 36s
[INFO] running `"docker" "inspect" "21f47eb23ba130190c34de6c298baa3cdf1ffeae992dd8a62fcc5844a8eba513"`
[INFO] running `"docker" "rm" "-f" "21f47eb23ba130190c34de6c298baa3cdf1ffeae992dd8a62fcc5844a8eba513"`
[INFO] [stdout] 21f47eb23ba130190c34de6c298baa3cdf1ffeae992dd8a62fcc5844a8eba513
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/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/weiznich/crates-mirror:/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] 06055bdd6a54b8d6f05fe877305ba9f1c62c4f6b41b4316a8b9ac45cdec2a2fb
[INFO] running `"docker" "start" "-a" "06055bdd6a54b8d6f05fe877305ba9f1c62c4f6b41b4316a8b9ac45cdec2a2fb"`
[INFO] [stderr]    Compiling crates-mirror v0.2.1 (/opt/crater/workdir)
[INFO] [stderr] warning: the item `File` is imported redundantly
[INFO] [stderr]   --> src/main.rs:66:13
[INFO] [stderr]    |
[INFO] [stderr] 24 | use std::fs::{create_dir_all, File};
[INFO] [stderr]    |                               ---- the item `File` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 66 |         use std::fs::File;
[INFO] [stderr]    |             ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] note: lint level defined here
[INFO] [stderr]   --> src/main.rs:8:9
[INFO] [stderr]    |
[INFO] [stderr] 8  | #![deny(warnings)]
[INFO] [stderr]    |         ^^^^^^^^
[INFO] [stderr]    = note: `#[warn(unused_imports)]` implied by `#[warn(warnings)]`
[INFO] [stderr] 
[INFO] [stderr] warning: the item `Read` is imported redundantly
[INFO] [stderr]   --> src/main.rs:67:13
[INFO] [stderr]    |
[INFO] [stderr] 25 | use std::io::{BufWriter, Write, Read, BufReader, BufRead};
[INFO] [stderr]    |                                 ---- the item `Read` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 67 |         use std::io::Read;
[INFO] [stderr]    |             ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.60s
[INFO] running `"docker" "inspect" "06055bdd6a54b8d6f05fe877305ba9f1c62c4f6b41b4316a8b9ac45cdec2a2fb"`
[INFO] running `"docker" "rm" "-f" "06055bdd6a54b8d6f05fe877305ba9f1c62c4f6b41b4316a8b9ac45cdec2a2fb"`
[INFO] [stdout] 06055bdd6a54b8d6f05fe877305ba9f1c62c4f6b41b4316a8b9ac45cdec2a2fb
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/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/weiznich/crates-mirror:/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] 244491154fb78fc1a7883c10d812c679219c854353faca316c2bfee93e1642f4
[INFO] running `"docker" "start" "-a" "244491154fb78fc1a7883c10d812c679219c854353faca316c2bfee93e1642f4"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.12s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/crates_mirror-cfe17daf1fd5bdfc
[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" "244491154fb78fc1a7883c10d812c679219c854353faca316c2bfee93e1642f4"`
[INFO] running `"docker" "rm" "-f" "244491154fb78fc1a7883c10d812c679219c854353faca316c2bfee93e1642f4"`
[INFO] [stdout] 244491154fb78fc1a7883c10d812c679219c854353faca316c2bfee93e1642f4