[INFO] fetching crate darn 0.3.0... [INFO] checking darn-0.3.0 against master#36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923 for pr-81863 [INFO] extracting crate darn 0.3.0 into /workspace/builds/worker-7/source [INFO] validating manifest of crates.io crate darn 0.3.0 on toolchain 36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate darn 0.3.0 [INFO] finished tweaking crates.io crate darn 0.3.0 [INFO] tweaked toml for crates.io crate darn 0.3.0 written to /workspace/builds/worker-7/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] e4709ccd4faabd963f85bedc815a872edff170ffd5128e98c37002da1eb0f7a5 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "e4709ccd4faabd963f85bedc815a872edff170ffd5128e98c37002da1eb0f7a5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e4709ccd4faabd963f85bedc815a872edff170ffd5128e98c37002da1eb0f7a5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e4709ccd4faabd963f85bedc815a872edff170ffd5128e98c37002da1eb0f7a5", kill_on_drop: false }` [INFO] [stdout] e4709ccd4faabd963f85bedc815a872edff170ffd5128e98c37002da1eb0f7a5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 310fb53f5d5a7348bb8ecc132453bd7a62c474aea7cae3af8ff3ff14832eaa5c [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "310fb53f5d5a7348bb8ecc132453bd7a62c474aea7cae3af8ff3ff14832eaa5c", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling proc-macro2 v1.0.24 [INFO] [stderr] Compiling unicode-xid v0.2.1 [INFO] [stderr] Compiling syn v1.0.60 [INFO] [stderr] Compiling serde_derive v1.0.123 [INFO] [stderr] Compiling serde v1.0.123 [INFO] [stderr] Compiling autocfg v0.1.7 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Checking matches v0.1.8 [INFO] [stderr] Checking untrusted v0.7.1 [INFO] [stderr] Compiling ryu v1.0.5 [INFO] [stderr] Checking once_cell v1.5.2 [INFO] [stderr] Checking spin v0.5.2 [INFO] [stderr] Compiling askama_escape v0.3.0 [INFO] [stderr] Compiling humansize v1.1.0 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Checking percent-encoding v2.1.0 [INFO] [stderr] Checking itoa v0.4.7 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Compiling ndarray v0.13.1 [INFO] [stderr] Compiling serde_json v1.0.62 [INFO] [stderr] Checking chunked_transfer v1.4.0 [INFO] [stderr] Checking base64 v0.11.0 [INFO] [stderr] Compiling ring v0.16.20 [INFO] [stderr] Checking regex-automata v0.1.9 [INFO] [stderr] Checking unicode-bidi v0.3.4 [INFO] [stderr] Checking matrixmultiply v0.2.4 [INFO] [stderr] Checking form_urlencoded v1.0.0 [INFO] [stderr] Checking qstring v0.7.2 [INFO] [stderr] Checking itertools v0.9.0 [INFO] [stderr] Compiling memchr v2.3.4 [INFO] [stderr] Checking getrandom v0.1.16 [INFO] [stderr] Checking time v0.1.44 [INFO] [stderr] Checking rand_os v0.1.3 [INFO] [stderr] Checking idna v0.1.5 [INFO] [stderr] Checking idna v0.2.1 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Compiling num-complex v0.2.4 [INFO] [stderr] Compiling num-bigint v0.2.6 [INFO] [stderr] Compiling num-iter v0.1.42 [INFO] [stderr] Compiling num-rational v0.2.4 [INFO] [stderr] Compiling nom v5.1.2 [INFO] [stderr] Compiling rand_pcg v0.1.2 [INFO] [stderr] Compiling rand_chacha v0.1.1 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Checking rand_chacha v0.2.2 [INFO] [stderr] Compiling quote v1.0.8 [INFO] [stderr] Checking url v1.7.2 [INFO] [stderr] Checking rand v0.7.3 [INFO] [stderr] Checking url v2.2.0 [INFO] [stderr] Checking cookie v0.12.0 [INFO] [stderr] Checking webpki v0.21.4 [INFO] [stderr] Checking sct v0.6.0 [INFO] [stderr] Checking rand_distr v0.2.2 [INFO] [stderr] Checking webpki-roots v0.18.0 [INFO] [stderr] Checking rustls v0.16.0 [INFO] [stderr] Checking nanoid v0.3.0 [INFO] [stderr] Checking num v0.2.1 [INFO] [stderr] Checking ureq v0.11.4 [INFO] [stderr] Checking toml v0.5.8 [INFO] [stderr] Checking bstr v0.2.15 [INFO] [stderr] Checking csv v1.1.5 [INFO] [stderr] Checking askama_shared v0.9.1 [INFO] [stderr] Checking ndarray-csv v0.4.1 [INFO] [stderr] Compiling askama_derive v0.9.0 [INFO] [stderr] Checking askama v0.9.0 [INFO] [stderr] Checking plotly v0.4.1 [INFO] [stderr] Checking darn v0.3.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `itertools::Itertools` [INFO] [stdout] --> src/lib.rs:197:5 [INFO] [stdout] | [INFO] [stdout] 197 | use itertools::Itertools; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `itertools::Itertools` [INFO] [stdout] --> src/lib.rs:197:5 [INFO] [stdout] | [INFO] [stdout] 197 | use itertools::Itertools; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `c` [INFO] [stdout] --> src/lib.rs:173:13 [INFO] [stdout] | [INFO] [stdout] 173 | for c in 0..values.shape()[1] { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_c` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `c` [INFO] [stdout] --> src/lib.rs:173:13 [INFO] [stdout] | [INFO] [stdout] 173 | for c in 0..values.shape()[1] { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_c` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/lib.rs:18:5 [INFO] [stdout] | [INFO] [stdout] 18 | fs::remove_file(plotly_file); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/lib.rs:207:5 [INFO] [stdout] | [INFO] [stdout] 207 | file.write_all(res.as_bytes()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/lib.rs:226:5 [INFO] [stdout] | [INFO] [stdout] 226 | file.write_all(res.as_bytes()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/lib.rs:18:5 [INFO] [stdout] | [INFO] [stdout] 18 | fs::remove_file(plotly_file); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/lib.rs:207:5 [INFO] [stdout] | [INFO] [stdout] 207 | file.write_all(res.as_bytes()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/lib.rs:226:5 [INFO] [stdout] | [INFO] [stdout] 226 | file.write_all(res.as_bytes()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1m 35s [INFO] running `Command { std: "docker" "inspect" "310fb53f5d5a7348bb8ecc132453bd7a62c474aea7cae3af8ff3ff14832eaa5c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "310fb53f5d5a7348bb8ecc132453bd7a62c474aea7cae3af8ff3ff14832eaa5c", kill_on_drop: false }` [INFO] [stdout] 310fb53f5d5a7348bb8ecc132453bd7a62c474aea7cae3af8ff3ff14832eaa5c