[INFO] fetching crate kyanite 0.2.0... [INFO] testing kyanite-0.2.0 against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031 [INFO] extracting crate kyanite 0.2.0 into /workspace/builds/worker-9/source [INFO] validating manifest of crates.io crate kyanite 0.2.0 on toolchain 722e1797249a965b6335aebd65d777f917e498f1 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate kyanite 0.2.0 [INFO] finished tweaking crates.io crate kyanite 0.2.0 [INFO] tweaked toml for crates.io crate kyanite 0.2.0 written to /workspace/builds/worker-9/source/Cargo.toml [INFO] crate crates.io crate kyanite 0.2.0 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded serde_json v1.0.44 [INFO] [stderr] Downloaded tokio-timer v0.2.12 [INFO] [stderr] Downloaded tokio-reactor v0.1.11 [INFO] [stderr] Downloaded lock_api v0.3.2 [INFO] [stderr] Downloaded hermit-abi v0.1.5 [INFO] [stderr] Downloaded tokio-threadpool v0.1.17 [INFO] [stderr] Downloaded tokio-executor v0.1.9 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 8b246f616fc7dc7b9601a99012dbff7ae29537cb17ccbe1d29b26bc734c94e86 [INFO] running `Command { std: "docker" "start" "-a" "8b246f616fc7dc7b9601a99012dbff7ae29537cb17ccbe1d29b26bc734c94e86", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "8b246f616fc7dc7b9601a99012dbff7ae29537cb17ccbe1d29b26bc734c94e86", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8b246f616fc7dc7b9601a99012dbff7ae29537cb17ccbe1d29b26bc734c94e86", kill_on_drop: false }` [INFO] [stdout] 8b246f616fc7dc7b9601a99012dbff7ae29537cb17ccbe1d29b26bc734c94e86 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] fb7325f0560cfe3e490332a60f1d5a28770c59d7d7022bb9a00fd6a8b9eed644 [INFO] running `Command { std: "docker" "start" "-a" "fb7325f0560cfe3e490332a60f1d5a28770c59d7d7022bb9a00fd6a8b9eed644", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling libc v0.2.66 [INFO] [stderr] Compiling autocfg v0.1.7 [INFO] [stderr] Compiling cfg-if v0.1.10 [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling cc v1.0.47 [INFO] [stderr] Compiling log v0.4.8 [INFO] [stderr] Compiling byteorder v1.3.2 [INFO] [stderr] Compiling proc-macro2 v1.0.6 [INFO] [stderr] Compiling unicode-xid v0.2.0 [INFO] [stderr] Compiling either v1.5.3 [INFO] [stderr] Compiling syn v1.0.8 [INFO] [stderr] Compiling maybe-uninit v2.0.0 [INFO] [stderr] Compiling rand_core v0.4.2 [INFO] [stderr] Compiling scopeguard v1.0.0 [INFO] [stderr] Compiling slab v0.4.2 [INFO] [stderr] Compiling smallvec v1.1.0 [INFO] [stderr] Compiling matches v0.1.8 [INFO] [stderr] Compiling fnv v1.0.6 [INFO] [stderr] Compiling pkg-config v0.3.17 [INFO] [stderr] Compiling itoa v0.4.4 [INFO] [stderr] Compiling serde v1.0.104 [INFO] [stderr] Compiling version_check v0.9.1 [INFO] [stderr] Compiling bitflags v1.2.0 [INFO] [stderr] Compiling rustc-demangle v0.1.16 [INFO] [stderr] Compiling version_check v0.1.5 [INFO] [stderr] Compiling failure_derive v0.1.6 [INFO] [stderr] Compiling httparse v1.3.4 [INFO] [stderr] Compiling ryu v1.0.2 [INFO] [stderr] Compiling percent-encoding v1.0.1 [INFO] [stderr] Compiling openssl v0.10.26 [INFO] [stderr] Compiling foreign-types-shared v0.1.1 [INFO] [stderr] Compiling try-lock v0.2.2 [INFO] [stderr] Compiling native-tls v0.2.3 [INFO] [stderr] Compiling regex-syntax v0.6.12 [INFO] [stderr] Compiling percent-encoding v2.1.0 [INFO] [stderr] Compiling crc32fast v1.2.0 [INFO] [stderr] Compiling adler32 v1.0.4 [INFO] [stderr] Compiling encoding_rs v0.8.22 [INFO] [stderr] Compiling openssl-probe v0.1.2 [INFO] [stderr] Compiling unicode-width v0.1.6 [INFO] [stderr] Compiling dtoa v0.4.4 [INFO] [stderr] Compiling mime v0.3.14 [INFO] [stderr] Compiling deunicode v0.4.3 [INFO] [stderr] Compiling vec_map v0.8.1 [INFO] [stderr] Compiling xml-rs v0.8.0 [INFO] [stderr] Compiling md5 v0.7.0 [INFO] [stderr] Compiling lock_api v0.3.2 [INFO] [stderr] Compiling tokio-sync v0.1.7 [INFO] [stderr] Compiling try_from v0.3.2 [INFO] [stderr] Compiling crossbeam-utils v0.6.6 [INFO] [stderr] Compiling unicode-bidi v0.3.4 [INFO] [stderr] Compiling foreign-types v0.3.2 [INFO] [stderr] Compiling unicode-normalization v0.1.11 [INFO] [stderr] Compiling textwrap v0.11.0 [INFO] [stderr] Compiling rand_core v0.3.1 [INFO] [stderr] Compiling rand_jitter v0.1.4 [INFO] [stderr] Compiling miniz_oxide v0.3.5 [INFO] [stderr] Compiling rand_xorshift v0.1.1 [INFO] [stderr] Compiling rand_hc v0.1.0 [INFO] [stderr] Compiling rand_isaac v0.1.1 [INFO] [stderr] Compiling slug v0.1.4 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Compiling error-chain v0.12.1 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Compiling iovec v0.1.4 [INFO] [stderr] Compiling num_cpus v1.11.1 [INFO] [stderr] Compiling net2 v0.2.33 [INFO] [stderr] Compiling time v0.1.42 [INFO] [stderr] Compiling rand_os v0.1.3 [INFO] [stderr] Compiling atty v0.2.13 [INFO] [stderr] Compiling flate2 v1.0.13 [INFO] [stderr] Compiling clap v2.33.0 [INFO] [stderr] Compiling idna v0.1.5 [INFO] [stderr] Compiling idna v0.2.0 [INFO] [stderr] Compiling bytes v0.4.12 [INFO] [stderr] Compiling openssl-sys v0.9.53 [INFO] [stderr] Compiling backtrace-sys v0.1.32 [INFO] [stderr] Compiling futures-cpupool v0.1.8 [INFO] [stderr] Compiling mime_guess v2.0.1 [INFO] [stderr] Compiling mio v0.6.21 [INFO] [stderr] Compiling tokio-io v0.1.12 [INFO] [stderr] Compiling http v0.1.21 [INFO] [stderr] Compiling tokio-buf v0.1.1 [INFO] [stderr] Compiling string v0.2.1 [INFO] [stderr] Compiling regex v1.3.1 [INFO] [stderr] Compiling url v1.7.2 [INFO] [stderr] Compiling crossbeam-deque v0.7.2 [INFO] [stderr] Compiling url v2.1.0 [INFO] [stderr] Compiling 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(/opt/rustwide/workdir) [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/item.rs:111:9 [INFO] [stdout] | [INFO] [stdout] 111 | &self.download()?; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 111 | let _ = &self.download()?; [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/item.rs:147:21 [INFO] [stdout] | [INFO] [stdout] 147 | &self.expunge(); [INFO] [stdout] | ^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 147 | let _ = &self.expunge(); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 27.85s [INFO] running `Command { std: "docker" "inspect" "fb7325f0560cfe3e490332a60f1d5a28770c59d7d7022bb9a00fd6a8b9eed644", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fb7325f0560cfe3e490332a60f1d5a28770c59d7d7022bb9a00fd6a8b9eed644", kill_on_drop: false }` [INFO] [stdout] fb7325f0560cfe3e490332a60f1d5a28770c59d7d7022bb9a00fd6a8b9eed644 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 84124b450880403b690bd7dd43e31b34a1b13409a85d503243751a6e1ca5adc5 [INFO] running `Command { std: "docker" "start" "-a" "84124b450880403b690bd7dd43e31b34a1b13409a85d503243751a6e1ca5adc5", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling kyanite v0.2.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/item.rs:111:9 [INFO] [stdout] | [INFO] [stdout] 111 | &self.download()?; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 111 | let _ = &self.download()?; [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/item.rs:147:21 [INFO] [stdout] | [INFO] [stdout] 147 | &self.expunge(); [INFO] [stdout] | ^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 147 | let _ = &self.expunge(); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 2.02s [INFO] running `Command { std: "docker" "inspect" "84124b450880403b690bd7dd43e31b34a1b13409a85d503243751a6e1ca5adc5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "84124b450880403b690bd7dd43e31b34a1b13409a85d503243751a6e1ca5adc5", kill_on_drop: false }` [INFO] [stdout] 84124b450880403b690bd7dd43e31b34a1b13409a85d503243751a6e1ca5adc5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] dae8484d385790a4453d9fc2a1cd5a4292708013ee8888ff3cd9f3eacd0e81d7 [INFO] running `Command { std: "docker" "start" "-a" "dae8484d385790a4453d9fc2a1cd5a4292708013ee8888ff3cd9f3eacd0e81d7", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] warning: unused borrow that must be used [INFO] [stderr] --> src/item.rs:111:9 [INFO] [stderr] | [INFO] [stderr] 111 | &self.download()?; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] help: use `let _ = ...` to ignore the resulting value [INFO] [stderr] | [INFO] [stderr] 111 | let _ = &self.download()?; [INFO] [stderr] | +++++++ [INFO] [stderr] [INFO] [stderr] warning: unused borrow that must be used [INFO] [stderr] --> src/item.rs:147:21 [INFO] [stderr] | [INFO] [stderr] 147 | &self.expunge(); [INFO] [stderr] | ^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stderr] | [INFO] [stderr] help: use `let _ = ...` to ignore the resulting value [INFO] [stderr] | [INFO] [stderr] 147 | let _ = &self.expunge(); [INFO] [stderr] | +++++++ [INFO] [stderr] [INFO] [stderr] warning: `kyanite` (bin "kyanite" test) generated 2 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.32s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/kyanite-8d73fe44cd9e79ec) [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; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "dae8484d385790a4453d9fc2a1cd5a4292708013ee8888ff3cd9f3eacd0e81d7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "dae8484d385790a4453d9fc2a1cd5a4292708013ee8888ff3cd9f3eacd0e81d7", kill_on_drop: false }` [INFO] [stdout] dae8484d385790a4453d9fc2a1cd5a4292708013ee8888ff3cd9f3eacd0e81d7