[INFO] updating cached repository CircuitCoder/gjjmbz
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/CircuitCoder/gjjmbz
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/CircuitCoder/gjjmbz" "work/ex/beta-1.38-1/sources/1.37.0/gh/CircuitCoder/gjjmbz"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/CircuitCoder/gjjmbz'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/CircuitCoder/gjjmbz" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/CircuitCoder/gjjmbz"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/CircuitCoder/gjjmbz'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] adcd2e3feedbcd58f74bc1756ccac3a32acc5ed2
[INFO] sha for GitHub repo CircuitCoder/gjjmbz: adcd2e3feedbcd58f74bc1756ccac3a32acc5ed2
[INFO] validating manifest of CircuitCoder/gjjmbz 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 CircuitCoder/gjjmbz 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 CircuitCoder/gjjmbz
[INFO] finished frobbing CircuitCoder/gjjmbz
[INFO] frobbed toml for CircuitCoder/gjjmbz written to work/ex/beta-1.38-1/sources/1.37.0/gh/CircuitCoder/gjjmbz/Cargo.toml
[INFO] started frobbing CircuitCoder/gjjmbz
[INFO] finished frobbing CircuitCoder/gjjmbz
[INFO] frobbed toml for CircuitCoder/gjjmbz written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/CircuitCoder/gjjmbz/Cargo.toml
[INFO] crate CircuitCoder/gjjmbz 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 CircuitCoder/gjjmbz against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/CircuitCoder/gjjmbz:/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 4bf12b2174b67190f02fb6faf58fd32b92ba82b82090789a73bed0b12f5fd800
[INFO] running `"docker" "start" "-a" "4bf12b2174b67190f02fb6faf58fd32b92ba82b82090789a73bed0b12f5fd800"`
[INFO] [stderr]    Compiling syn v0.15.34
[INFO] [stderr]    Compiling atty v0.2.11
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling structopt-derive v0.2.15
[INFO] [stderr]    Compiling paw-attributes v1.0.0
[INFO] [stderr]    Compiling paw v1.0.0
[INFO] [stderr]    Compiling structopt v0.2.15
[INFO] [stderr]    Compiling paw-structopt v1.0.0
[INFO] [stderr]    Compiling gjjmbz v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:274:49
[INFO] [stderr]     |
[INFO] [stderr] 274 | pub fn block_from_key(key: &[u8]) -> Option<Box<GJJMBlock>> {
[INFO] [stderr]     |                                                 ^^^^^^^^^ help: use `dyn`: `dyn GJJMBlock`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::time::*`
[INFO] [stderr]  --> src/bin/single/main.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::time::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `rand::Rng`
[INFO] [stderr]  --> src/bin/single/main.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use rand::Rng;
[INFO] [stderr]   |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/bin/single/main.rs:57:9
[INFO] [stderr]    |
[INFO] [stderr] 57 |     let mut buf = hex::decode(args.text).unwrap();
[INFO] [stderr]    |         ----^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 28.61s
[INFO] running `"docker" "inspect" "4bf12b2174b67190f02fb6faf58fd32b92ba82b82090789a73bed0b12f5fd800"`
[INFO] running `"docker" "rm" "-f" "4bf12b2174b67190f02fb6faf58fd32b92ba82b82090789a73bed0b12f5fd800"`
[INFO] [stdout] 4bf12b2174b67190f02fb6faf58fd32b92ba82b82090789a73bed0b12f5fd800
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/CircuitCoder/gjjmbz:/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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] e448e43b319b1e33486dc6b54a9aa2dd2ea85b20c32457d3884673c3d90d847a
[INFO] running `"docker" "start" "-a" "e448e43b319b1e33486dc6b54a9aa2dd2ea85b20c32457d3884673c3d90d847a"`
[INFO] [stderr]    Compiling gjjmbz v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:274:49
[INFO] [stderr]     |
[INFO] [stderr] 274 | pub fn block_from_key(key: &[u8]) -> Option<Box<GJJMBlock>> {
[INFO] [stderr]     |                                                 ^^^^^^^^^ help: use `dyn`: `dyn GJJMBlock`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::time::*`
[INFO] [stderr]  --> src/bin/single/main.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::time::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `rand::Rng`
[INFO] [stderr]  --> src/bin/single/main.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use rand::Rng;
[INFO] [stderr]   |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/bin/single/main.rs:57:9
[INFO] [stderr]    |
[INFO] [stderr] 57 |     let mut buf = hex::decode(args.text).unwrap();
[INFO] [stderr]    |         ----^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.94s
[INFO] running `"docker" "inspect" "e448e43b319b1e33486dc6b54a9aa2dd2ea85b20c32457d3884673c3d90d847a"`
[INFO] running `"docker" "rm" "-f" "e448e43b319b1e33486dc6b54a9aa2dd2ea85b20c32457d3884673c3d90d847a"`
[INFO] [stdout] e448e43b319b1e33486dc6b54a9aa2dd2ea85b20c32457d3884673c3d90d847a
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/CircuitCoder/gjjmbz:/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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] 4f240dde9df0dc0b771df643b244cd9dc65f56b90601284f58f31062ac7c74c8
[INFO] running `"docker" "start" "-a" "4f240dde9df0dc0b771df643b244cd9dc65f56b90601284f58f31062ac7c74c8"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/gjjmbz-b966a573a0a11d7a
[INFO] [stderr]      Running /opt/crater/target/debug/deps/single-42710f147b12f2cc
[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] [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] [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]      Running /opt/crater/target/debug/deps/test-fd817543accedff3
[INFO] [stderr]    Doc-tests gjjmbz
[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" "4f240dde9df0dc0b771df643b244cd9dc65f56b90601284f58f31062ac7c74c8"`
[INFO] running `"docker" "rm" "-f" "4f240dde9df0dc0b771df643b244cd9dc65f56b90601284f58f31062ac7c74c8"`
[INFO] [stdout] 4f240dde9df0dc0b771df643b244cd9dc65f56b90601284f58f31062ac7c74c8