[INFO] updating cached repository icedrift/tusk
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/icedrift/tusk
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/icedrift/tusk" "work/ex/beta-1.38-1/sources/1.37.0/gh/icedrift/tusk"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/icedrift/tusk'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/icedrift/tusk" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/icedrift/tusk"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/icedrift/tusk'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 4eb2a8eb36992237af3dd8ba8182afb5ca2439de
[INFO] sha for GitHub repo icedrift/tusk: 4eb2a8eb36992237af3dd8ba8182afb5ca2439de
[INFO] validating manifest of icedrift/tusk 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 icedrift/tusk 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 icedrift/tusk
[INFO] finished frobbing icedrift/tusk
[INFO] frobbed toml for icedrift/tusk written to work/ex/beta-1.38-1/sources/1.37.0/gh/icedrift/tusk/Cargo.toml
[INFO] started frobbing icedrift/tusk
[INFO] finished frobbing icedrift/tusk
[INFO] frobbed toml for icedrift/tusk written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/icedrift/tusk/Cargo.toml
[INFO] crate icedrift/tusk 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 icedrift/tusk 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-1/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/icedrift/tusk:/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] e91f471b3b7b8ae9c86c2e6b011425f95a28f91bf4f1e8f5dbf22cca6df495d5
[INFO] running `"docker" "start" "-a" "e91f471b3b7b8ae9c86c2e6b011425f95a28f91bf4f1e8f5dbf22cca6df495d5"`
[INFO] [stderr]    Compiling backtrace v0.3.22
[INFO] [stderr]    Compiling bincode v1.1.4
[INFO] [stderr]    Compiling net2 v0.2.33
[INFO] [stderr]    Compiling memchr v2.2.0
[INFO] [stderr]    Compiling socket2 v0.3.9
[INFO] [stderr]    Compiling signal-hook-registry v1.0.1
[INFO] [stderr]    Compiling rand v0.5.6
[INFO] [stderr]    Compiling hostname v0.1.5
[INFO] [stderr]    Compiling backtrace-sys v0.1.28
[INFO] [stderr]    Compiling brotli-sys v0.3.2
[INFO] [stderr]    Compiling ring v0.13.5
[INFO] [stderr]    Compiling miniz-sys v0.1.12
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling bytes v0.4.12
[INFO] [stderr]    Compiling resolv-conf v0.6.2
[INFO] [stderr]    Compiling signal-hook v0.1.9
[INFO] [stderr]    Compiling mio v0.6.17
[INFO] [stderr]    Compiling flate2 v1.0.7
[INFO] [stderr]    Compiling brotli2 v0.3.2
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]    Compiling aho-corasick v0.7.3
[INFO] [stderr]    Compiling crossbeam v0.7.1
[INFO] [stderr]    Compiling cookie v0.11.1
[INFO] [stderr]    Compiling tokio-io v0.1.12
[INFO] [stderr]    Compiling http v0.1.17
[INFO] [stderr]    Compiling parking_lot_core v0.4.0
[INFO] [stderr]    Compiling tokio-threadpool v0.1.14
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]    Compiling uuid v0.7.4
[INFO] [stderr]    Compiling serde v1.0.91
[INFO] [stderr]    Compiling mio-uds v0.6.7
[INFO] [stderr]    Compiling regex v1.1.6
[INFO] [stderr]    Compiling tokio-codec v0.1.1
[INFO] [stderr]    Compiling failure v0.1.5
[INFO] [stderr]    Compiling parking_lot v0.7.1
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]    Compiling v_escape_derive v0.5.3
[INFO] [stderr]    Compiling mime_guess v2.0.0-alpha.6
[INFO] [stderr]    Compiling tokio-fs v0.1.6
[INFO] [stderr]    Compiling tokio-reactor v0.1.9
[INFO] [stderr]    Compiling h2 v0.1.20
[INFO] [stderr]    Compiling env_logger v0.6.1
[INFO] [stderr]    Compiling tokio-udp v0.1.3
[INFO] [stderr]    Compiling tokio-tcp v0.1.3
[INFO] [stderr]    Compiling tokio-uds v0.2.5
[INFO] [stderr]    Compiling tokio-signal v0.2.7
[INFO] [stderr]    Compiling v_escape v0.7.2
[INFO] [stderr]    Compiling trust-dns-proto v0.6.3
[INFO] [stderr]    Compiling trust-dns-proto v0.5.0
[INFO] [stderr]    Compiling tokio v0.1.20
[INFO] [stderr]    Compiling v_htmlescape v0.4.3
[INFO] [stderr]    Compiling trust-dns-resolver v0.10.3
[INFO] [stderr]    Compiling serde_json v1.0.39
[INFO] [stderr]    Compiling serde_urlencoded v0.5.5
[INFO] [stderr]    Compiling serde_yaml v0.8.9
[INFO] [stderr]    Compiling actix v0.7.9
[INFO] [stderr]    Compiling actix-net v0.2.6
[INFO] [stderr]    Compiling actix-web v0.7.19
[INFO] [stderr]    Compiling tusk v0.0.1 (/opt/crater/workdir)
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]   --> src/tusk/mod.rs:57:9
[INFO] [stderr]    |
[INFO] [stderr] 57 |         /// Load the agent
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 58 |         let reader = File::open(&master_config_file_buf)?;
[INFO] [stderr]    |         -------------------------------------------------- rustdoc does not generate documentation for statements
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]   --> src/plugins/inputs/mod.rs:63:13
[INFO] [stderr]    |
[INFO] [stderr] 63 |             _ => unimplemented!(),
[INFO] [stderr]    |             ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]   --> src/plugins/outputs/mod.rs:49:13
[INFO] [stderr]    |
[INFO] [stderr] 49 |             _ => unimplemented!(),
[INFO] [stderr]    |             ^
[INFO] [stderr] 
[INFO] [stderr] warning: function cannot return without recursing
[INFO] [stderr]   --> src/tusk/mod.rs:40:5
[INFO] [stderr]    |
[INFO] [stderr] 40 |     fn default() -> Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^ cannot return without recursing
[INFO] [stderr] ...
[INFO] [stderr] 44 |             ..Default::default()
[INFO] [stderr]    |               ------------------ recursive call site
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unconditional_recursion)]` on by default
[INFO] [stderr]    = help: a `loop` may express intention better if this is on purpose
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/plugins/outputs/stdout.rs:16:9
[INFO] [stderr]    |
[INFO] [stderr] 16 | /         self.format
[INFO] [stderr] 17 | |             .to_writer(BufWriter::new(io::stdout()), &readings);
[INFO] [stderr]    | |________________________________________________________________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 20s
[INFO] running `"docker" "inspect" "e91f471b3b7b8ae9c86c2e6b011425f95a28f91bf4f1e8f5dbf22cca6df495d5"`
[INFO] running `"docker" "rm" "-f" "e91f471b3b7b8ae9c86c2e6b011425f95a28f91bf4f1e8f5dbf22cca6df495d5"`
[INFO] [stdout] e91f471b3b7b8ae9c86c2e6b011425f95a28f91bf4f1e8f5dbf22cca6df495d5
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/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/icedrift/tusk:/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] cd1d3c08aca7870999703fcdfd149c6787a0a24ae24ec6b7aab8a46b7a43a702
[INFO] running `"docker" "start" "-a" "cd1d3c08aca7870999703fcdfd149c6787a0a24ae24ec6b7aab8a46b7a43a702"`
[INFO] [stderr]    Compiling crossbeam-utils v0.2.2
[INFO] [stderr]    Compiling rand_xoshiro v0.1.0
[INFO] [stderr]    Compiling criterion-plot v0.3.1
[INFO] [stderr]    Compiling csv-core v0.1.5
[INFO] [stderr]    Compiling tinytemplate v1.0.2
[INFO] [stderr]    Compiling crossbeam-epoch v0.3.1
[INFO] [stderr]    Compiling csv v1.0.7
[INFO] [stderr]    Compiling crossbeam-deque v0.2.0
[INFO] [stderr]    Compiling rayon-core v1.4.1
[INFO] [stderr]    Compiling rayon v1.0.3
[INFO] [stderr]    Compiling criterion v0.2.11
[INFO] [stderr]    Compiling tusk v0.0.1 (/opt/crater/workdir)
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]   --> src/tusk/mod.rs:57:9
[INFO] [stderr]    |
[INFO] [stderr] 57 |         /// Load the agent
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 58 |         let reader = File::open(&master_config_file_buf)?;
[INFO] [stderr]    |         -------------------------------------------------- rustdoc does not generate documentation for statements
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]   --> src/plugins/inputs/mod.rs:63:13
[INFO] [stderr]    |
[INFO] [stderr] 63 |             _ => unimplemented!(),
[INFO] [stderr]    |             ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]   --> src/plugins/outputs/mod.rs:49:13
[INFO] [stderr]    |
[INFO] [stderr] 49 |             _ => unimplemented!(),
[INFO] [stderr]    |             ^
[INFO] [stderr] 
[INFO] [stderr] warning: function cannot return without recursing
[INFO] [stderr]   --> src/tusk/mod.rs:40:5
[INFO] [stderr]    |
[INFO] [stderr] 40 |     fn default() -> Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^ cannot return without recursing
[INFO] [stderr] ...
[INFO] [stderr] 44 |             ..Default::default()
[INFO] [stderr]    |               ------------------ recursive call site
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unconditional_recursion)]` on by default
[INFO] [stderr]    = help: a `loop` may express intention better if this is on purpose
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/plugins/outputs/stdout.rs:16:9
[INFO] [stderr]    |
[INFO] [stderr] 16 | /         self.format
[INFO] [stderr] 17 | |             .to_writer(BufWriter::new(io::stdout()), &readings);
[INFO] [stderr]    | |________________________________________________________________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 34.90s
[INFO] running `"docker" "inspect" "cd1d3c08aca7870999703fcdfd149c6787a0a24ae24ec6b7aab8a46b7a43a702"`
[INFO] running `"docker" "rm" "-f" "cd1d3c08aca7870999703fcdfd149c6787a0a24ae24ec6b7aab8a46b7a43a702"`
[INFO] [stdout] cd1d3c08aca7870999703fcdfd149c6787a0a24ae24ec6b7aab8a46b7a43a702
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/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/icedrift/tusk:/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] e26006eeab4660aba56b9df6c789aa10c010986e6f52863a6c26efd41387f786
[INFO] running `"docker" "start" "-a" "e26006eeab4660aba56b9df6c789aa10c010986e6f52863a6c26efd41387f786"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.18s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/tusk-81460d3cfb8e78cd
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test plugins::inputs::random::tests::test_random_int ... ok
[INFO] [stdout] test plugins::inputs::random::tests::test_random_float ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "e26006eeab4660aba56b9df6c789aa10c010986e6f52863a6c26efd41387f786"`
[INFO] running `"docker" "rm" "-f" "e26006eeab4660aba56b9df6c789aa10c010986e6f52863a6c26efd41387f786"`
[INFO] [stdout] e26006eeab4660aba56b9df6c789aa10c010986e6f52863a6c26efd41387f786