[INFO] crate communicator1 0.1.0 is already in cache
[INFO] extracting crate communicator1 0.1.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/communicator1/0.1.0
[INFO] extracting crate communicator1 0.1.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/communicator1/0.1.0
[INFO] validating manifest of communicator1-0.1.0 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 communicator1-0.1.0 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 communicator1-0.1.0
[INFO] finished frobbing communicator1-0.1.0
[INFO] frobbed toml for communicator1-0.1.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/communicator1/0.1.0/Cargo.toml
[INFO] started frobbing communicator1-0.1.0
[INFO] finished frobbing communicator1-0.1.0
[INFO] frobbed toml for communicator1-0.1.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/communicator1/0.1.0/Cargo.toml
[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 communicator1-0.1.0 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-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/communicator1/0.1.0:/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] 2bee82d1a11a30dadcd2932bc619b664d5d8e9e1a34c805e2657f4fde8b34b3b
[INFO] running `"docker" "start" "-a" "2bee82d1a11a30dadcd2932bc619b664d5d8e9e1a34c805e2657f4fde8b34b3b"`
[INFO] [stderr]    Compiling communicator1 v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: function is never used: `connect`
[INFO] [stderr]  --> src/network/server.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub fn connect() {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `connect`
[INFO] [stderr]  --> src/network/mod.rs:2:1
[INFO] [stderr]   |
[INFO] [stderr] 2 | pub fn connect() {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.35s
[INFO] running `"docker" "inspect" "2bee82d1a11a30dadcd2932bc619b664d5d8e9e1a34c805e2657f4fde8b34b3b"`
[INFO] running `"docker" "rm" "-f" "2bee82d1a11a30dadcd2932bc619b664d5d8e9e1a34c805e2657f4fde8b34b3b"`
[INFO] [stdout] 2bee82d1a11a30dadcd2932bc619b664d5d8e9e1a34c805e2657f4fde8b34b3b
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/communicator1/0.1.0:/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] cb4112558535150c2b8392043144551daebd01f234b5b25eaa5cacca3e54b40a
[INFO] running `"docker" "start" "-a" "cb4112558535150c2b8392043144551daebd01f234b5b25eaa5cacca3e54b40a"`
[INFO] [stderr]    Compiling communicator1 v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: function is never used: `connect`
[INFO] [stderr]  --> src/network/server.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub fn connect() {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `connect`
[INFO] [stderr]  --> src/network/mod.rs:2:1
[INFO] [stderr]   |
[INFO] [stderr] 2 | pub fn connect() {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.36s
[INFO] running `"docker" "inspect" "cb4112558535150c2b8392043144551daebd01f234b5b25eaa5cacca3e54b40a"`
[INFO] running `"docker" "rm" "-f" "cb4112558535150c2b8392043144551daebd01f234b5b25eaa5cacca3e54b40a"`
[INFO] [stdout] cb4112558535150c2b8392043144551daebd01f234b5b25eaa5cacca3e54b40a
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/communicator1/0.1.0:/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] d18766f11450791c162a9c5a50803006e6072771dde1374bc3553af9c6235346
[INFO] running `"docker" "start" "-a" "d18766f11450791c162a9c5a50803006e6072771dde1374bc3553af9c6235346"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/communicator1-383033285e0d5027
[INFO] [stderr]      Running /opt/crater/target/debug/deps/communicator1-f48622a0b8504dd7
[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] [stderr]    Doc-tests communicator1
[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 1 test
[INFO] [stdout] test src/lib.rs - add_one (line 8) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - add_one (line 8) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type or module `my_crate`
[INFO] [stdout]  --> src/lib.rs:11:15
[INFO] [stdout]   |
[INFO] [stdout] 5 | assert_eq!(6, my_crate::add_one(5));
[INFO] [stdout]   |               ^^^^^^^^ use of undeclared type or module `my_crate`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - add_one (line 8)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] running `"docker" "inspect" "d18766f11450791c162a9c5a50803006e6072771dde1374bc3553af9c6235346"`
[INFO] running `"docker" "rm" "-f" "d18766f11450791c162a9c5a50803006e6072771dde1374bc3553af9c6235346"`
[INFO] [stdout] d18766f11450791c162a9c5a50803006e6072771dde1374bc3553af9c6235346