[INFO] fetching crate darn 0.1.11... [INFO] testing darn-0.1.11 against try#41997647ba6a77908f6ef64401414feb00bccf16 for pr-71274 [INFO] extracting crate darn 0.1.11 into /workspace/builds/worker-2/source [INFO] validating manifest of crates.io crate darn 0.1.11 on toolchain 41997647ba6a77908f6ef64401414feb00bccf16 [INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking crates.io crate darn 0.1.11 [INFO] finished tweaking crates.io crate darn 0.1.11 [INFO] tweaked toml for crates.io crate darn 0.1.11 written to /workspace/builds/worker-2/source/Cargo.toml [INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "build" "--frozen"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] c58b9be17e9142c3e346f229fda0800fcc462249f3de8e72e135d657c7d50378 [INFO] running `"docker" "start" "-a" "c58b9be17e9142c3e346f229fda0800fcc462249f3de8e72e135d657c7d50378"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling autocfg v1.0.0 [INFO] [stderr] Compiling proc-macro2 v1.0.10 [INFO] [stderr] Compiling unicode-xid v0.2.0 [INFO] [stderr] Compiling autocfg v0.1.7 [INFO] [stderr] Compiling memchr v2.3.3 [INFO] [stderr] Compiling rand_core v0.4.2 [INFO] [stderr] Compiling byteorder v1.3.4 [INFO] [stderr] Compiling matches v0.1.8 [INFO] [stderr] Compiling getrandom v0.1.14 [INFO] [stderr] Compiling ppv-lite86 v0.2.6 [INFO] [stderr] Compiling askama_escape v0.3.0 [INFO] [stderr] Compiling humansize v1.1.0 [INFO] [stderr] Compiling percent-encoding v1.0.1 [INFO] [stderr] Compiling percent-encoding v2.1.0 [INFO] [stderr] Compiling ndarray v0.13.0 [INFO] [stderr] Compiling chunked_transfer v1.0.0 [INFO] [stderr] Compiling base64 v0.11.0 [INFO] [stderr] Compiling ring v0.16.12 [INFO] [stderr] Compiling unicode-bidi v0.3.4 [INFO] [stderr] Compiling nom v5.1.1 [INFO] [stderr] Compiling itertools v0.8.2 [INFO] [stderr] Compiling itertools v0.9.0 [INFO] [stderr] Compiling rand_core v0.3.1 [INFO] [stderr] Compiling rand_jitter v0.1.4 [INFO] [stderr] Compiling rand_chacha v0.1.1 [INFO] [stderr] Compiling rand_pcg v0.1.2 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Compiling qstring v0.7.2 [INFO] [stderr] Compiling num-traits v0.2.11 [INFO] [stderr] Compiling num-integer v0.1.42 [INFO] [stderr] Compiling num-complex v0.2.4 [INFO] [stderr] Compiling num-bigint v0.2.6 [INFO] [stderr] Compiling num-iter v0.1.40 [INFO] [stderr] Compiling num-rational v0.2.4 [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 log v0.4.8 [INFO] [stderr] Compiling idna v0.1.5 [INFO] [stderr] Compiling idna v0.2.0 [INFO] [stderr] Compiling rand_os v0.1.3 [INFO] [stderr] Compiling time v0.1.42 [INFO] [stderr] Compiling csv-core v0.1.10 [INFO] [stderr] Compiling rand_core v0.5.1 [INFO] [stderr] Compiling quote v1.0.3 [INFO] [stderr] Compiling regex-automata v0.1.9 [INFO] [stderr] Compiling base64 v0.10.1 [INFO] [stderr] Compiling url v2.1.1 [INFO] [stderr] Compiling url v1.7.2 [INFO] [stderr] Compiling rand_chacha v0.2.2 [INFO] [stderr] Compiling syn v1.0.17 [INFO] [stderr] Compiling rand v0.7.3 [INFO] [stderr] Compiling cookie v0.12.0 [INFO] [stderr] Compiling webpki v0.21.2 [INFO] [stderr] Compiling sct v0.6.0 [INFO] [stderr] Compiling nanoid v0.3.0 [INFO] [stderr] Compiling rand_distr v0.2.2 [INFO] [stderr] Compiling rustls v0.16.0 [INFO] [stderr] Compiling webpki-roots v0.18.0 [INFO] [stderr] Compiling num v0.2.1 [INFO] [stderr] Compiling ureq v0.11.4 [INFO] [stderr] Compiling serde_derive v1.0.106 [INFO] [stderr] Compiling serde v1.0.106 [INFO] [stderr] Compiling toml v0.5.6 [INFO] [stderr] Compiling bstr v0.2.12 [INFO] [stderr] Compiling serde_json v1.0.51 [INFO] [stderr] Compiling csv v1.1.3 [INFO] [stderr] Compiling askama_shared v0.9.1 [INFO] [stderr] Compiling ndarray-csv v0.4.1 [INFO] [stderr] Compiling askama_derive v0.9.0 [INFO] [stderr] Compiling askama v0.9.0 [INFO] [stderr] Compiling plotly v0.4.1 [INFO] [stderr] Compiling darn v0.1.11 (/opt/rustwide/workdir) [INFO] [stderr] warning: unused import: `itertools::Itertools` [INFO] [stderr] --> src/lib.rs:185:5 [INFO] [stderr] | [INFO] [stderr] 185 | use itertools::Itertools; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `c` [INFO] [stderr] --> src/lib.rs:161:13 [INFO] [stderr] | [INFO] [stderr] 161 | for c in 0..values.shape()[1] { [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_c` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/lib.rs:18:5 [INFO] [stderr] | [INFO] [stderr] 18 | fs::remove_file(plotly_file); [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: unused `std::result::Result` that must be used [INFO] [stderr] --> src/lib.rs:195:5 [INFO] [stderr] | [INFO] [stderr] 195 | file.write_all(res.as_bytes()); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/lib.rs:214:5 [INFO] [stderr] | [INFO] [stderr] 214 | file.write_all(res.as_bytes()); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: 5 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 2m 31s [INFO] running `"docker" "inspect" "c58b9be17e9142c3e346f229fda0800fcc462249f3de8e72e135d657c7d50378"` [INFO] running `"docker" "rm" "-f" "c58b9be17e9142c3e346f229fda0800fcc462249f3de8e72e135d657c7d50378"` [INFO] [stdout] c58b9be17e9142c3e346f229fda0800fcc462249f3de8e72e135d657c7d50378 [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "test" "--frozen" "--no-run"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 595273acebac08c604eae4cb55bf40150f625cdd3b39ba20950908f544166b36 [INFO] running `"docker" "start" "-a" "595273acebac08c604eae4cb55bf40150f625cdd3b39ba20950908f544166b36"` [INFO] [stderr] Compiling darn v0.1.11 (/opt/rustwide/workdir) [INFO] [stderr] warning: unused import: `itertools::Itertools` [INFO] [stderr] --> src/lib.rs:185:5 [INFO] [stderr] | [INFO] [stderr] 185 | use itertools::Itertools; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `c` [INFO] [stderr] --> src/lib.rs:161:13 [INFO] [stderr] | [INFO] [stderr] 161 | for c in 0..values.shape()[1] { [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_c` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/lib.rs:18:5 [INFO] [stderr] | [INFO] [stderr] 18 | fs::remove_file(plotly_file); [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: unused `std::result::Result` that must be used [INFO] [stderr] --> src/lib.rs:195:5 [INFO] [stderr] | [INFO] [stderr] 195 | file.write_all(res.as_bytes()); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/lib.rs:214:5 [INFO] [stderr] | [INFO] [stderr] 214 | file.write_all(res.as_bytes()); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: 5 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: unused import: `itertools::Itertools` [INFO] [stderr] --> src/lib.rs:185:5 [INFO] [stderr] | [INFO] [stderr] 185 | use itertools::Itertools; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `c` [INFO] [stderr] --> src/lib.rs:161:13 [INFO] [stderr] | [INFO] [stderr] 161 | for c in 0..values.shape()[1] { [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_c` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/lib.rs:18:5 [INFO] [stderr] | [INFO] [stderr] 18 | fs::remove_file(plotly_file); [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: unused `std::result::Result` that must be used [INFO] [stderr] --> src/lib.rs:195:5 [INFO] [stderr] | [INFO] [stderr] 195 | file.write_all(res.as_bytes()); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/lib.rs:214:5 [INFO] [stderr] | [INFO] [stderr] 214 | file.write_all(res.as_bytes()); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: 5 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.74s [INFO] running `"docker" "inspect" "595273acebac08c604eae4cb55bf40150f625cdd3b39ba20950908f544166b36"` [INFO] running `"docker" "rm" "-f" "595273acebac08c604eae4cb55bf40150f625cdd3b39ba20950908f544166b36"` [INFO] [stdout] 595273acebac08c604eae4cb55bf40150f625cdd3b39ba20950908f544166b36 [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "test" "--frozen"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 798f06be248b05b118fac0a2b6fa4ae4338d1e8fd1faf5d3be859f1d5b5b459f [INFO] running `"docker" "start" "-a" "798f06be248b05b118fac0a2b6fa4ae4338d1e8fd1faf5d3be859f1d5b5b459f"` [INFO] [stderr] warning: unused import: `itertools::Itertools` [INFO] [stderr] --> src/lib.rs:185:5 [INFO] [stderr] | [INFO] [stderr] 185 | use itertools::Itertools; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `c` [INFO] [stderr] --> src/lib.rs:161:13 [INFO] [stderr] | [INFO] [stderr] 161 | for c in 0..values.shape()[1] { [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_c` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/lib.rs:18:5 [INFO] [stderr] | [INFO] [stderr] 18 | fs::remove_file(plotly_file); [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: unused `std::result::Result` that must be used [INFO] [stderr] --> src/lib.rs:195:5 [INFO] [stderr] | [INFO] [stderr] 195 | file.write_all(res.as_bytes()); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/lib.rs:214:5 [INFO] [stderr] | [INFO] [stderr] 214 | file.write_all(res.as_bytes()); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: 5 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: unused import: `itertools::Itertools` [INFO] [stderr] --> src/lib.rs:185:5 [INFO] [stderr] | [INFO] [stderr] 185 | use itertools::Itertools; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `c` [INFO] [stderr] --> src/lib.rs:161:13 [INFO] [stderr] | [INFO] [stderr] 161 | for c in 0..values.shape()[1] { [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_c` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/lib.rs:18:5 [INFO] [stderr] | [INFO] [stderr] 18 | fs::remove_file(plotly_file); [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: unused `std::result::Result` that must be used [INFO] [stderr] --> src/lib.rs:195:5 [INFO] [stderr] | [INFO] [stderr] 195 | file.write_all(res.as_bytes()); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/lib.rs:214:5 [INFO] [stderr] | [INFO] [stderr] 214 | file.write_all(res.as_bytes()); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: 5 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.52s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/darn-02fdc5093c2963ed [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 [INFO] [stdout] [INFO] [stderr] Doc-tests darn [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 [INFO] [stdout] [INFO] running `"docker" "inspect" "798f06be248b05b118fac0a2b6fa4ae4338d1e8fd1faf5d3be859f1d5b5b459f"` [INFO] running `"docker" "rm" "-f" "798f06be248b05b118fac0a2b6fa4ae4338d1e8fd1faf5d3be859f1d5b5b459f"` [INFO] [stdout] 798f06be248b05b118fac0a2b6fa4ae4338d1e8fd1faf5d3be859f1d5b5b459f