[INFO] updating cached repository brenzi/rust-ipfs-verifier
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/brenzi/rust-ipfs-verifier
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/brenzi/rust-ipfs-verifier" "work/ex/beta-1.38-1/sources/1.37.0/gh/brenzi/rust-ipfs-verifier"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/brenzi/rust-ipfs-verifier'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/brenzi/rust-ipfs-verifier" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/brenzi/rust-ipfs-verifier"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/brenzi/rust-ipfs-verifier'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 78421eb55161024b14615b37d1d87ce095632c3a
[INFO] sha for GitHub repo brenzi/rust-ipfs-verifier: 78421eb55161024b14615b37d1d87ce095632c3a
[INFO] validating manifest of brenzi/rust-ipfs-verifier 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 brenzi/rust-ipfs-verifier 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 brenzi/rust-ipfs-verifier
[INFO] finished frobbing brenzi/rust-ipfs-verifier
[INFO] frobbed toml for brenzi/rust-ipfs-verifier written to work/ex/beta-1.38-1/sources/1.37.0/gh/brenzi/rust-ipfs-verifier/Cargo.toml
[INFO] started frobbing brenzi/rust-ipfs-verifier
[INFO] finished frobbing brenzi/rust-ipfs-verifier
[INFO] frobbed toml for brenzi/rust-ipfs-verifier written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/brenzi/rust-ipfs-verifier/Cargo.toml
[INFO] crate brenzi/rust-ipfs-verifier 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 brenzi/rust-ipfs-verifier 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/brenzi/rust-ipfs-verifier:/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] 91eb24d09259e6ec44e64050b3f801b8db0698bf3110d81e739c7e1f0b3b1327
[INFO] running `"docker" "start" "-a" "91eb24d09259e6ec44e64050b3f801b8db0698bf3110d81e739c7e1f0b3b1327"`
[INFO] [stderr]    Compiling base-x v0.2.4
[INFO] [stderr]    Compiling tokio-sync v0.1.0
[INFO] [stderr]    Compiling tokio-timer v0.2.9
[INFO] [stderr]    Compiling num-complex v0.2.1
[INFO] [stderr]    Compiling backtrace-sys v0.1.28
[INFO] [stderr]    Compiling syn v0.15.26
[INFO] [stderr]    Compiling num-bigint v0.2.2
[INFO] [stderr]    Compiling num-iter v0.1.37
[INFO] [stderr]    Compiling mio-uds v0.6.7
[INFO] [stderr]    Compiling backtrace v0.3.13
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling tokio-codec v0.1.1
[INFO] [stderr]    Compiling multibase v0.6.0
[INFO] [stderr]    Compiling multihash v0.8.0
[INFO] [stderr]    Compiling multihash v0.8.1-pre (https://github.com/multiformats/rust-multihash.git#827ede97)
[INFO] [stderr]    Compiling cid v0.3.0 (https://github.com/multiformats/rust-cid.git#7802115c)
[INFO] [stderr]    Compiling num-rational v0.2.1
[INFO] [stderr]    Compiling num v0.2.0
[INFO] [stderr]    Compiling rust-base58 v0.0.4
[INFO] [stderr]    Compiling parking_lot_core v0.4.0
[INFO] [stderr]    Compiling parking_lot v0.7.1
[INFO] [stderr]    Compiling crossbeam v0.6.0
[INFO] [stderr]    Compiling tokio-reactor v0.1.8
[INFO] [stderr]    Compiling synstructure v0.10.1
[INFO] [stderr]    Compiling tokio-threadpool v0.1.11
[INFO] [stderr]    Compiling tokio-uds v0.2.5
[INFO] [stderr]    Compiling tokio-tcp v0.1.3
[INFO] [stderr]    Compiling tokio-udp v0.1.3
[INFO] [stderr]    Compiling serde_derive v1.0.85
[INFO] [stderr]    Compiling tokio-fs v0.1.5
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]    Compiling tokio v0.1.15
[INFO] [stderr]    Compiling failure v0.1.5
[INFO] [stderr]    Compiling hyper v0.12.23
[INFO] [stderr]    Compiling hyper-multipart-rfc7578 v0.2.0-alpha2
[INFO] [stderr]    Compiling ipfs-api v0.5.0-alpha2
[INFO] [stderr]    Compiling ipfs-verifier v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `Sha256`
[INFO] [stderr]   --> src/main.rs:24:12
[INFO] [stderr]    |
[INFO] [stderr] 24 | use sha2::{Sha256, Digest};
[INFO] [stderr]    |            ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `FromBase58`, `ToBase58`
[INFO] [stderr]   --> src/main.rs:25:19
[INFO] [stderr]    |
[INFO] [stderr] 25 | use rust_base58::{ToBase58, FromBase58};
[INFO] [stderr]    |                   ^^^^^^^^  ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Hash`, `Multihash`, `decode`, `encode`, `to_hex`
[INFO] [stderr]   --> src/main.rs:26:17
[INFO] [stderr]    |
[INFO] [stderr] 26 | use multihash::{encode, decode, Hash, Multihash, to_hex};
[INFO] [stderr]    |                 ^^^^^^  ^^^^^^  ^^^^  ^^^^^^^^^  ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Write`, `self`
[INFO] [stderr]   --> src/main.rs:30:15
[INFO] [stderr]    |
[INFO] [stderr] 30 | use std::io::{self, Write, Cursor};
[INFO] [stderr]    |               ^^^^  ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::str`
[INFO] [stderr]   --> src/main.rs:31:5
[INFO] [stderr]    |
[INFO] [stderr] 31 | use std::str;
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Digest`
[INFO] [stderr]   --> src/main.rs:24:20
[INFO] [stderr]    |
[INFO] [stderr] 24 | use sha2::{Sha256, Digest};
[INFO] [stderr]    |                    ^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 11s
[INFO] running `"docker" "inspect" "91eb24d09259e6ec44e64050b3f801b8db0698bf3110d81e739c7e1f0b3b1327"`
[INFO] running `"docker" "rm" "-f" "91eb24d09259e6ec44e64050b3f801b8db0698bf3110d81e739c7e1f0b3b1327"`
[INFO] [stdout] 91eb24d09259e6ec44e64050b3f801b8db0698bf3110d81e739c7e1f0b3b1327
[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/brenzi/rust-ipfs-verifier:/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] 6933aeb4c31d3636175c61a8a53c7096c0dbb788d6e4da45ba37d328d8641af7
[INFO] running `"docker" "start" "-a" "6933aeb4c31d3636175c61a8a53c7096c0dbb788d6e4da45ba37d328d8641af7"`
[INFO] [stderr]    Compiling ipfs-verifier v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `Sha256`
[INFO] [stderr]   --> src/main.rs:24:12
[INFO] [stderr]    |
[INFO] [stderr] 24 | use sha2::{Sha256, Digest};
[INFO] [stderr]    |            ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `FromBase58`, `ToBase58`
[INFO] [stderr]   --> src/main.rs:25:19
[INFO] [stderr]    |
[INFO] [stderr] 25 | use rust_base58::{ToBase58, FromBase58};
[INFO] [stderr]    |                   ^^^^^^^^  ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Hash`, `Multihash`, `decode`, `encode`, `to_hex`
[INFO] [stderr]   --> src/main.rs:26:17
[INFO] [stderr]    |
[INFO] [stderr] 26 | use multihash::{encode, decode, Hash, Multihash, to_hex};
[INFO] [stderr]    |                 ^^^^^^  ^^^^^^  ^^^^  ^^^^^^^^^  ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Write`, `self`
[INFO] [stderr]   --> src/main.rs:30:15
[INFO] [stderr]    |
[INFO] [stderr] 30 | use std::io::{self, Write, Cursor};
[INFO] [stderr]    |               ^^^^  ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::str`
[INFO] [stderr]   --> src/main.rs:31:5
[INFO] [stderr]    |
[INFO] [stderr] 31 | use std::str;
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Digest`
[INFO] [stderr]   --> src/main.rs:24:20
[INFO] [stderr]    |
[INFO] [stderr] 24 | use sha2::{Sha256, Digest};
[INFO] [stderr]    |                    ^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.95s
[INFO] running `"docker" "inspect" "6933aeb4c31d3636175c61a8a53c7096c0dbb788d6e4da45ba37d328d8641af7"`
[INFO] running `"docker" "rm" "-f" "6933aeb4c31d3636175c61a8a53c7096c0dbb788d6e4da45ba37d328d8641af7"`
[INFO] [stdout] 6933aeb4c31d3636175c61a8a53c7096c0dbb788d6e4da45ba37d328d8641af7
[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/brenzi/rust-ipfs-verifier:/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] c1c180199f8d782fefb56a3d416b8a573409561d62fe65f43f304620bc9c744b
[INFO] running `"docker" "start" "-a" "c1c180199f8d782fefb56a3d416b8a573409561d62fe65f43f304620bc9c744b"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.13s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/ipfs_verifier-b18dc624bdae33a3
[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" "c1c180199f8d782fefb56a3d416b8a573409561d62fe65f43f304620bc9c744b"`
[INFO] running `"docker" "rm" "-f" "c1c180199f8d782fefb56a3d416b8a573409561d62fe65f43f304620bc9c744b"`
[INFO] [stdout] c1c180199f8d782fefb56a3d416b8a573409561d62fe65f43f304620bc9c744b