[INFO] updating cached repository sammy8806/mastopeekd-rust
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/sammy8806/mastopeekd-rust
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/sammy8806/mastopeekd-rust" "work/ex/beta-1.38-1/sources/1.37.0/gh/sammy8806/mastopeekd-rust"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/sammy8806/mastopeekd-rust'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/sammy8806/mastopeekd-rust" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/sammy8806/mastopeekd-rust"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/sammy8806/mastopeekd-rust'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 0c0e7c813fbf03c5fe2fa5909983dd71c4c3afdf
[INFO] sha for GitHub repo sammy8806/mastopeekd-rust: 0c0e7c813fbf03c5fe2fa5909983dd71c4c3afdf
[INFO] validating manifest of sammy8806/mastopeekd-rust 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 sammy8806/mastopeekd-rust 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 sammy8806/mastopeekd-rust
[INFO] finished frobbing sammy8806/mastopeekd-rust
[INFO] frobbed toml for sammy8806/mastopeekd-rust written to work/ex/beta-1.38-1/sources/1.37.0/gh/sammy8806/mastopeekd-rust/Cargo.toml
[INFO] started frobbing sammy8806/mastopeekd-rust
[INFO] finished frobbing sammy8806/mastopeekd-rust
[INFO] frobbed toml for sammy8806/mastopeekd-rust written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/sammy8806/mastopeekd-rust/Cargo.toml
[INFO] crate sammy8806/mastopeekd-rust 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 sammy8806/mastopeekd-rust 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-6/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/sammy8806/mastopeekd-rust:/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] 9d3b099ea4f34e3552e56442fc83cf2c0a36433e21fdb467aa98a20d636d36fd
[INFO] running `"docker" "start" "-a" "9d3b099ea4f34e3552e56442fc83cf2c0a36433e21fdb467aa98a20d636d36fd"`
[INFO] [stderr]    Compiling encoding_rs v0.8.15
[INFO] [stderr]    Compiling doc-comment v0.1.2
[INFO] [stderr]    Compiling crossbeam-channel v0.3.8
[INFO] [stderr]    Compiling unicode-normalization v0.1.8
[INFO] [stderr]    Compiling openssl-sys v0.9.40
[INFO] [stderr]    Compiling serde_json v1.0.37
[INFO] [stderr]    Compiling toml v0.4.10
[INFO] [stderr]    Compiling syn v0.15.26
[INFO] [stderr]    Compiling tokio-io v0.1.11
[INFO] [stderr]    Compiling chrono v0.4.6
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling hyperx v0.13.2
[INFO] [stderr]    Compiling openssl v0.10.16
[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 native-tls v0.2.2
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]    Compiling parking_lot v0.7.1
[INFO] [stderr]    Compiling idna v0.1.5
[INFO] [stderr]    Compiling mime_guess v2.0.0-alpha.6
[INFO] [stderr]    Compiling crossbeam v0.6.0
[INFO] [stderr]    Compiling tokio-reactor v0.1.8
[INFO] [stderr]    Compiling tokio-threadpool v0.1.11
[INFO] [stderr]    Compiling url v1.7.2
[INFO] [stderr]    Compiling tokio-tcp v0.1.3
[INFO] [stderr]    Compiling serde_derive v1.0.85
[INFO] [stderr]    Compiling tokio v0.1.15
[INFO] [stderr]    Compiling serde_urlencoded v0.5.4
[INFO] [stderr]    Compiling hyper v0.12.23
[INFO] [stderr]    Compiling hyper-tls v0.3.1
[INFO] [stderr]    Compiling reqwest v0.9.9
[INFO] [stderr]    Compiling mammut v0.12.0
[INFO] [stderr]    Compiling mastopeekd-rust v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:61:21
[INFO] [stderr]    |
[INFO] [stderr] 61 |                 let mut target_uri;
[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 1m 24s
[INFO] running `"docker" "inspect" "9d3b099ea4f34e3552e56442fc83cf2c0a36433e21fdb467aa98a20d636d36fd"`
[INFO] running `"docker" "rm" "-f" "9d3b099ea4f34e3552e56442fc83cf2c0a36433e21fdb467aa98a20d636d36fd"`
[INFO] [stdout] 9d3b099ea4f34e3552e56442fc83cf2c0a36433e21fdb467aa98a20d636d36fd
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/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/sammy8806/mastopeekd-rust:/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] d782dcb838b974da24ab92b91d272013e812df20aaa9f899e53836e8aa60186f
[INFO] running `"docker" "start" "-a" "d782dcb838b974da24ab92b91d272013e812df20aaa9f899e53836e8aa60186f"`
[INFO] [stderr]    Compiling mastopeekd-rust v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:61:21
[INFO] [stderr]    |
[INFO] [stderr] 61 |                 let mut target_uri;
[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 1.91s
[INFO] running `"docker" "inspect" "d782dcb838b974da24ab92b91d272013e812df20aaa9f899e53836e8aa60186f"`
[INFO] running `"docker" "rm" "-f" "d782dcb838b974da24ab92b91d272013e812df20aaa9f899e53836e8aa60186f"`
[INFO] [stdout] d782dcb838b974da24ab92b91d272013e812df20aaa9f899e53836e8aa60186f
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/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/sammy8806/mastopeekd-rust:/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] a2994fe4a883f50f4a1828528605a37e50c3a403ad8b12d109329e88cdd25283
[INFO] running `"docker" "start" "-a" "a2994fe4a883f50f4a1828528605a37e50c3a403ad8b12d109329e88cdd25283"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.16s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/mastopeekd_rust-bb54de154a8bd123
[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" "a2994fe4a883f50f4a1828528605a37e50c3a403ad8b12d109329e88cdd25283"`
[INFO] running `"docker" "rm" "-f" "a2994fe4a883f50f4a1828528605a37e50c3a403ad8b12d109329e88cdd25283"`
[INFO] [stdout] a2994fe4a883f50f4a1828528605a37e50c3a403ad8b12d109329e88cdd25283