[INFO] updating cached repository tarrall/chaosmarmoset [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/tarrall/chaosmarmoset [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/tarrall/chaosmarmoset" "work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/tarrall/chaosmarmoset"` [INFO] [stderr] Cloning into 'work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/tarrall/chaosmarmoset'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/tarrall/chaosmarmoset" "work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/tarrall/chaosmarmoset"` [INFO] [stderr] Cloning into 'work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/tarrall/chaosmarmoset'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] cebdad826612782247d37993eb090027794607e3 [INFO] sha for GitHub repo tarrall/chaosmarmoset: cebdad826612782247d37993eb090027794607e3 [INFO] validating manifest of tarrall/chaosmarmoset on toolchain master#435236b8877cdb98c82eaebfb7887782277265c5 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of tarrall/chaosmarmoset on toolchain try#b5c7f157c20453dde8d47371abe73b32351b4e7f [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing tarrall/chaosmarmoset [INFO] finished frobbing tarrall/chaosmarmoset [INFO] frobbed toml for tarrall/chaosmarmoset written to work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/tarrall/chaosmarmoset/Cargo.toml [INFO] started frobbing tarrall/chaosmarmoset [INFO] finished frobbing tarrall/chaosmarmoset [INFO] frobbed toml for tarrall/chaosmarmoset written to work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/tarrall/chaosmarmoset/Cargo.toml [INFO] crate tarrall/chaosmarmoset already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] checking tarrall/chaosmarmoset against try#b5c7f157c20453dde8d47371abe73b32351b4e7f for pr-62849 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62849/worker-7/try#b5c7f157c20453dde8d47371abe73b32351b4e7f:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/tarrall/chaosmarmoset:/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" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] 05f4697cdc1414941877dd4d25688d00f33184487c48cb518cf5d280dce18a7d [INFO] running `"docker" "start" "-a" "05f4697cdc1414941877dd4d25688d00f33184487c48cb518cf5d280dce18a7d"` [INFO] [stderr] Compiling openssl v0.10.20 [INFO] [stderr] Compiling unicase v2.3.0 [INFO] [stderr] Compiling miniz_oxide_c_api v0.2.1 [INFO] [stderr] Checking try_from v0.3.2 [INFO] [stderr] Checking encoding_rs v0.8.17 [INFO] [stderr] Compiling openssl-sys v0.9.43 [INFO] [stderr] Compiling rand_os v0.1.3 [INFO] [stderr] Checking backtrace-sys v0.1.28 [INFO] [stderr] Checking serde_json v1.0.39 [INFO] [stderr] Compiling syn v0.15.30 [INFO] [stderr] Checking backtrace v0.3.15 [INFO] [stderr] Checking cookie v0.11.0 [INFO] [stderr] Checking serde_urlencoded v0.5.4 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Checking uuid v0.7.4 [INFO] [stderr] Checking error-chain v0.12.0 [INFO] [stderr] Checking publicsuffix v1.5.2 [INFO] [stderr] Compiling native-tls v0.2.2 [INFO] [stderr] Checking tokio v0.1.18 [INFO] [stderr] Checking flate2 v1.0.7 [INFO] [stderr] Checking hyper v0.12.27 [INFO] [stderr] Checking mime v0.3.13 [INFO] [stderr] Compiling phf_generator v0.7.24 [INFO] [stderr] Compiling phf_codegen v0.7.24 [INFO] [stderr] Compiling mime_guess v2.0.0-alpha.6 [INFO] [stderr] Compiling synstructure v0.10.1 [INFO] [stderr] Checking hyper-tls v0.3.2 [INFO] [stderr] Compiling serde_derive v1.0.90 [INFO] [stderr] Compiling structopt-derive v0.2.15 [INFO] [stderr] Compiling failure_derive v0.1.5 [INFO] [stderr] Checking failure v0.1.5 [INFO] [stderr] Checking structopt v0.2.15 [INFO] [stderr] Checking cookie_store v0.5.1 [INFO] [stderr] Checking reqwest v0.9.14 [INFO] [stderr] Checking chaosmarmoset v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/main.rs:180:65 [INFO] [stderr] | [INFO] [stderr] 180 | fn web_client(url: String, sleepms: Duration) -> Result<(), Box> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::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/main.rs:180:65 [INFO] [stderr] | [INFO] [stderr] 180 | fn web_client(url: String, sleepms: Duration) -> Result<(), Box> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable `x` is assigned to, but never used [INFO] [stderr] --> src/main.rs:90:13 [INFO] [stderr] | [INFO] [stderr] 90 | let x; [INFO] [stderr] | ^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] = note: consider using `_x` instead [INFO] [stderr] [INFO] [stderr] warning: value assigned to `x` is never read [INFO] [stderr] --> src/main.rs:92:24 [INFO] [stderr] | [INFO] [stderr] 92 | Some(u) => x = web_client(u, sleepms), [INFO] [stderr] | ^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_assignments)]` on by default [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:175:5 [INFO] [stderr] | [INFO] [stderr] 175 | std::io::copy(&mut stream, &mut std::io::stdout()); [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] warning: variable `x` is assigned to, but never used [INFO] [stderr] --> src/main.rs:90:13 [INFO] [stderr] | [INFO] [stderr] 90 | let x; [INFO] [stderr] | ^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] = note: consider using `_x` instead [INFO] [stderr] [INFO] [stderr] warning: value assigned to `x` is never read [INFO] [stderr] --> src/main.rs:92:24 [INFO] [stderr] | [INFO] [stderr] 92 | Some(u) => x = web_client(u, sleepms), [INFO] [stderr] | ^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_assignments)]` on by default [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:175:5 [INFO] [stderr] | [INFO] [stderr] 175 | std::io::copy(&mut stream, &mut std::io::stdout()); [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 1m 04s [INFO] running `"docker" "inspect" "05f4697cdc1414941877dd4d25688d00f33184487c48cb518cf5d280dce18a7d"` [INFO] running `"docker" "rm" "-f" "05f4697cdc1414941877dd4d25688d00f33184487c48cb518cf5d280dce18a7d"` [INFO] [stdout] 05f4697cdc1414941877dd4d25688d00f33184487c48cb518cf5d280dce18a7d