[INFO] updating cached repository zpeters/speedtestr
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/zpeters/speedtestr
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/zpeters/speedtestr" "work/ex/pr-61874/sources/master#9f06855064ed06a50c496577b21ca50f92a2e67d/gh/zpeters/speedtestr"`
[INFO] [stderr] Cloning into 'work/ex/pr-61874/sources/master#9f06855064ed06a50c496577b21ca50f92a2e67d/gh/zpeters/speedtestr'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/zpeters/speedtestr" "work/ex/pr-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/gh/zpeters/speedtestr"`
[INFO] [stderr] Cloning into 'work/ex/pr-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/gh/zpeters/speedtestr'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 71800dab0e0cd108b45ed25a1e9ecc62d013059b
[INFO] sha for GitHub repo zpeters/speedtestr: 71800dab0e0cd108b45ed25a1e9ecc62d013059b
[INFO] validating manifest of zpeters/speedtestr on toolchain master#9f06855064ed06a50c496577b21ca50f92a2e67d
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+9f06855064ed06a50c496577b21ca50f92a2e67d-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of zpeters/speedtestr on toolchain try#d3301713b54af69ca9de941a8c6b0d8287dbd6df
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+d3301713b54af69ca9de941a8c6b0d8287dbd6df-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing zpeters/speedtestr
[INFO] finished frobbing zpeters/speedtestr
[INFO] frobbed toml for zpeters/speedtestr written to work/ex/pr-61874/sources/master#9f06855064ed06a50c496577b21ca50f92a2e67d/gh/zpeters/speedtestr/Cargo.toml
[INFO] started frobbing zpeters/speedtestr
[INFO] finished frobbing zpeters/speedtestr
[INFO] frobbed toml for zpeters/speedtestr written to work/ex/pr-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/gh/zpeters/speedtestr/Cargo.toml
[INFO] crate zpeters/speedtestr already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+9f06855064ed06a50c496577b21ca50f92a2e67d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+d3301713b54af69ca9de941a8c6b0d8287dbd6df-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] checking zpeters/speedtestr against try#d3301713b54af69ca9de941a8c6b0d8287dbd6df for pr-61874
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61874/worker-0/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/gh/zpeters/speedtestr:/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=forbid" "-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" "+d3301713b54af69ca9de941a8c6b0d8287dbd6df-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 66e02f1ec6a97edcc2bcdea2be65594461d06e70b1662d3b6448e025a22c0d3e
[INFO] running `"docker" "start" "-a" "66e02f1ec6a97edcc2bcdea2be65594461d06e70b1662d3b6448e025a22c0d3e"`
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[INFO] [stderr]     Checking speedtestr v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:28:65
[INFO] [stderr]    |
[INFO] [stderr] 28 |     pub fn upload(server: &str, bytes: &str) -> Result<f64, Box<error::Error>> {
[INFO] [stderr]    |                                                                 ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[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/lib.rs:76:67
[INFO] [stderr]    |
[INFO] [stderr] 76 |     pub fn download(server: &str, bytes: &str) -> Result<f64, Box<error::Error>> {
[INFO] [stderr]    |                                                                   ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:107:75
[INFO] [stderr]     |
[INFO] [stderr] 107 |     pub fn ping_server(server: &str, num_pings: u128) -> Result<u128, Box<error::Error>> {
[INFO] [stderr]     |                                                                           ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:167:62
[INFO] [stderr]     |
[INFO] [stderr] 167 |     pub fn best_server(num_test: &str) -> Result<Server, Box<error::Error>> {
[INFO] [stderr]     |                                                              ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:28:65
[INFO] [stderr]    |
[INFO] [stderr] 28 |     pub fn upload(server: &str, bytes: &str) -> Result<f64, Box<error::Error>> {
[INFO] [stderr]    |                                                                 ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[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/lib.rs:76:67
[INFO] [stderr]    |
[INFO] [stderr] 76 |     pub fn download(server: &str, bytes: &str) -> Result<f64, Box<error::Error>> {
[INFO] [stderr]    |                                                                   ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:107:75
[INFO] [stderr]     |
[INFO] [stderr] 107 |     pub fn ping_server(server: &str, num_pings: u128) -> Result<u128, Box<error::Error>> {
[INFO] [stderr]     |                                                                           ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:167:62
[INFO] [stderr]     |
[INFO] [stderr] 167 |     pub fn best_server(num_test: &str) -> Result<Server, Box<error::Error>> {
[INFO] [stderr]     |                                                              ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `super::*`
[INFO] [stderr]    --> src/lib.rs:202:9
[INFO] [stderr]     |
[INFO] [stderr] 202 |     use super::*;
[INFO] [stderr]     |         ^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 22s
[INFO] running `"docker" "inspect" "66e02f1ec6a97edcc2bcdea2be65594461d06e70b1662d3b6448e025a22c0d3e"`
[INFO] running `"docker" "rm" "-f" "66e02f1ec6a97edcc2bcdea2be65594461d06e70b1662d3b6448e025a22c0d3e"`
[INFO] [stdout] 66e02f1ec6a97edcc2bcdea2be65594461d06e70b1662d3b6448e025a22c0d3e