[INFO] updating cached repository aoikonomopoulos/wping
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/aoikonomopoulos/wping
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/aoikonomopoulos/wping" "work/ex/beta-1.38-1/sources/1.37.0/gh/aoikonomopoulos/wping"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/aoikonomopoulos/wping'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/aoikonomopoulos/wping" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/aoikonomopoulos/wping"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/aoikonomopoulos/wping'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 2d5155803811b50761baa309249aad35a9748aff
[INFO] sha for GitHub repo aoikonomopoulos/wping: 2d5155803811b50761baa309249aad35a9748aff
[INFO] validating manifest of aoikonomopoulos/wping 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 aoikonomopoulos/wping 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 aoikonomopoulos/wping
[INFO] finished frobbing aoikonomopoulos/wping
[INFO] frobbed toml for aoikonomopoulos/wping written to work/ex/beta-1.38-1/sources/1.37.0/gh/aoikonomopoulos/wping/Cargo.toml
[INFO] started frobbing aoikonomopoulos/wping
[INFO] finished frobbing aoikonomopoulos/wping
[INFO] frobbed toml for aoikonomopoulos/wping written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/aoikonomopoulos/wping/Cargo.toml
[INFO] crate aoikonomopoulos/wping 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] [stderr] error: the lock file /mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/aoikonomopoulos/wping/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[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 aoikonomopoulos/wping 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/aoikonomopoulos/wping:/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] 839229fe2ea070d9d9eb54cfc1ce311244924d837de682d39ec957e274760aca
[INFO] running `"docker" "start" "-a" "839229fe2ea070d9d9eb54cfc1ce311244924d837de682d39ec957e274760aca"`
[INFO] [stderr]    Compiling pnet_base v0.22.0
[INFO] [stderr]    Compiling pnet_macros_support v0.1.1
[INFO] [stderr]    Compiling syntex_errors v0.42.0
[INFO] [stderr]    Compiling resolve v0.1.2
[INFO] [stderr]    Compiling chrono v0.3.0
[INFO] [stderr]    Compiling pnet_macros_support v0.22.0
[INFO] [stderr]    Compiling syntex_syntax v0.42.0
[INFO] [stderr]    Compiling syntex v0.42.2
[INFO] [stderr]    Compiling pnet_macros v0.15.0
[INFO] [stderr]    Compiling pnet v0.16.0
[INFO] [stderr]    Compiling wping v0.3.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/columnar.rs:67:50
[INFO] [stderr]    |
[INFO] [stderr] 67 |     pub fn format(&'a self, values : Vec<Option<&Display>>) -> String {
[INFO] [stderr]    |                                                  ^^^^^^^ help: use `dyn`: `dyn Display`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/columnar.rs:72:50
[INFO] [stderr]    |
[INFO] [stderr] 72 |                  (col, v) : (&'a Column, Option<&Display>)| {
[INFO] [stderr]    |                                                  ^^^^^^^ help: use `dyn`: `dyn Display`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:155:77
[INFO] [stderr]     |
[INFO] [stderr] 155 | fn send_ping (mut tx : TransportSender, dst : Ipv4Addr, len : usize) -> Box<FnMut(u16) -> ()> {
[INFO] [stderr]     |                                                                             ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(u16) -> ()`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:404:30
[INFO] [stderr]     |
[INFO] [stderr] 404 | fn do_probe(probe : &mut Box<FnMut(u16) -> ()>, stats: &mut Stats,
[INFO] [stderr]     |                              ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(u16) -> ()`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:500:60
[INFO] [stderr]     |
[INFO] [stderr] 500 | fn to_display<T : fmt::Display>(v : Option<&T>) -> Option<&fmt::Display> {
[INFO] [stderr]     |                                                            ^^^^^^^^^^^^ help: use `dyn`: `dyn fmt::Display`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:501:22
[INFO] [stderr]     |
[INFO] [stderr] 501 |     v.map (|v| v as &fmt::Display)
[INFO] [stderr]     |                      ^^^^^^^^^^^^ help: use `dyn`: `dyn fmt::Display`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:508:39
[INFO] [stderr]     |
[INFO] [stderr] 508 |     let seq = resp.map(|r| &r.seq as &fmt::Display);
[INFO] [stderr]     |                                       ^^^^^^^^^^^^ help: use `dyn`: `dyn fmt::Display`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:509:46
[INFO] [stderr]     |
[INFO] [stderr] 509 |     let nbytes = resp.map (|r| &r.nbytes as &fmt::Display);
[INFO] [stderr]     |                                              ^^^^^^^^^^^^ help: use `dyn`: `dyn fmt::Display`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:510:39
[INFO] [stderr]     |
[INFO] [stderr] 510 |     let ttl = resp.map(|r| &r.ttl as &fmt::Display);
[INFO] [stderr]     |                                       ^^^^^^^^^^^^ help: use `dyn`: `dyn fmt::Display`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:115:9
[INFO] [stderr]     |
[INFO] [stderr] 115 |     let mut ipv4_payload = ipv4.payload_mut();
[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 37.95s
[INFO] running `"docker" "inspect" "839229fe2ea070d9d9eb54cfc1ce311244924d837de682d39ec957e274760aca"`
[INFO] running `"docker" "rm" "-f" "839229fe2ea070d9d9eb54cfc1ce311244924d837de682d39ec957e274760aca"`
[INFO] [stdout] 839229fe2ea070d9d9eb54cfc1ce311244924d837de682d39ec957e274760aca
[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/aoikonomopoulos/wping:/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] e637f934edc4fc8eedc930874d5d2e7e40ac13731226409c120d8f316f764de6
[INFO] running `"docker" "start" "-a" "e637f934edc4fc8eedc930874d5d2e7e40ac13731226409c120d8f316f764de6"`
[INFO] [stderr]    Compiling wping v0.3.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/columnar.rs:67:50
[INFO] [stderr]    |
[INFO] [stderr] 67 |     pub fn format(&'a self, values : Vec<Option<&Display>>) -> String {
[INFO] [stderr]    |                                                  ^^^^^^^ help: use `dyn`: `dyn Display`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/columnar.rs:72:50
[INFO] [stderr]    |
[INFO] [stderr] 72 |                  (col, v) : (&'a Column, Option<&Display>)| {
[INFO] [stderr]    |                                                  ^^^^^^^ help: use `dyn`: `dyn Display`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:155:77
[INFO] [stderr]     |
[INFO] [stderr] 155 | fn send_ping (mut tx : TransportSender, dst : Ipv4Addr, len : usize) -> Box<FnMut(u16) -> ()> {
[INFO] [stderr]     |                                                                             ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(u16) -> ()`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:404:30
[INFO] [stderr]     |
[INFO] [stderr] 404 | fn do_probe(probe : &mut Box<FnMut(u16) -> ()>, stats: &mut Stats,
[INFO] [stderr]     |                              ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(u16) -> ()`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:500:60
[INFO] [stderr]     |
[INFO] [stderr] 500 | fn to_display<T : fmt::Display>(v : Option<&T>) -> Option<&fmt::Display> {
[INFO] [stderr]     |                                                            ^^^^^^^^^^^^ help: use `dyn`: `dyn fmt::Display`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:501:22
[INFO] [stderr]     |
[INFO] [stderr] 501 |     v.map (|v| v as &fmt::Display)
[INFO] [stderr]     |                      ^^^^^^^^^^^^ help: use `dyn`: `dyn fmt::Display`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:508:39
[INFO] [stderr]     |
[INFO] [stderr] 508 |     let seq = resp.map(|r| &r.seq as &fmt::Display);
[INFO] [stderr]     |                                       ^^^^^^^^^^^^ help: use `dyn`: `dyn fmt::Display`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:509:46
[INFO] [stderr]     |
[INFO] [stderr] 509 |     let nbytes = resp.map (|r| &r.nbytes as &fmt::Display);
[INFO] [stderr]     |                                              ^^^^^^^^^^^^ help: use `dyn`: `dyn fmt::Display`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:510:39
[INFO] [stderr]     |
[INFO] [stderr] 510 |     let ttl = resp.map(|r| &r.ttl as &fmt::Display);
[INFO] [stderr]     |                                       ^^^^^^^^^^^^ help: use `dyn`: `dyn fmt::Display`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:115:9
[INFO] [stderr]     |
[INFO] [stderr] 115 |     let mut ipv4_payload = ipv4.payload_mut();
[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 1.33s
[INFO] running `"docker" "inspect" "e637f934edc4fc8eedc930874d5d2e7e40ac13731226409c120d8f316f764de6"`
[INFO] running `"docker" "rm" "-f" "e637f934edc4fc8eedc930874d5d2e7e40ac13731226409c120d8f316f764de6"`
[INFO] [stdout] e637f934edc4fc8eedc930874d5d2e7e40ac13731226409c120d8f316f764de6
[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/aoikonomopoulos/wping:/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] d5bd777830b6851aa943f2863948c6d78f27bfb2eee04b3b1f457bbda9594d4c
[INFO] running `"docker" "start" "-a" "d5bd777830b6851aa943f2863948c6d78f27bfb2eee04b3b1f457bbda9594d4c"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/wping-3b09783946924921
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test_nanoseconds_display ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "d5bd777830b6851aa943f2863948c6d78f27bfb2eee04b3b1f457bbda9594d4c"`
[INFO] running `"docker" "rm" "-f" "d5bd777830b6851aa943f2863948c6d78f27bfb2eee04b3b1f457bbda9594d4c"`
[INFO] [stdout] d5bd777830b6851aa943f2863948c6d78f27bfb2eee04b3b1f457bbda9594d4c