[INFO] fetching crate catcsv 0.1.1... [INFO] testing catcsv-0.1.1 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031 [INFO] extracting crate catcsv 0.1.1 into /workspace/builds/worker-3/source [INFO] validating manifest of crates.io crate catcsv 0.1.1 on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate catcsv 0.1.1 [INFO] finished tweaking crates.io crate catcsv 0.1.1 [INFO] tweaked toml for crates.io crate catcsv 0.1.1 written to /workspace/builds/worker-3/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 92835cf3cd60960183fbbc6f4418aebb578dc28f28411aba35783889d7a38e56 [INFO] running `Command { std: "docker" "start" "-a" "92835cf3cd60960183fbbc6f4418aebb578dc28f28411aba35783889d7a38e56", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "92835cf3cd60960183fbbc6f4418aebb578dc28f28411aba35783889d7a38e56", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "92835cf3cd60960183fbbc6f4418aebb578dc28f28411aba35783889d7a38e56", kill_on_drop: false }` [INFO] [stdout] 92835cf3cd60960183fbbc6f4418aebb578dc28f28411aba35783889d7a38e56 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 020cae4705c977d486c22d1aad02659b688d392f1ed024f8aa1a7181dc642e62 [INFO] running `Command { std: "docker" "start" "-a" "020cae4705c977d486c22d1aad02659b688d392f1ed024f8aa1a7181dc642e62", kill_on_drop: false }` [INFO] [stderr] Compiling memchr v2.4.1 [INFO] [stderr] Compiling libc v0.2.107 [INFO] [stderr] Compiling cc v1.0.72 [INFO] [stderr] Compiling ucd-util v0.1.8 [INFO] [stderr] Compiling regex v0.2.11 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Compiling gimli v0.26.1 [INFO] [stderr] Compiling utf8-ranges v1.0.4 [INFO] [stderr] Compiling adler v1.0.2 [INFO] [stderr] Compiling rustc-serialize v0.3.24 [INFO] [stderr] Compiling byteorder v1.4.3 [INFO] [stderr] Compiling rustc-demangle v0.1.21 [INFO] [stderr] Compiling strsim v0.6.0 [INFO] [stderr] Compiling lazy_static v0.2.11 [INFO] [stderr] Compiling same-file v0.1.3 [INFO] [stderr] Compiling miniz_oxide v0.4.4 [INFO] [stderr] Compiling thread_local v0.3.6 [INFO] [stderr] Compiling walkdir v1.0.7 [INFO] [stderr] Compiling regex-syntax v0.5.6 [INFO] [stderr] Compiling snap v0.2.5 [INFO] [stderr] Compiling log v0.3.9 [INFO] [stderr] Compiling aho-corasick v0.6.10 [INFO] [stderr] Compiling object v0.27.1 [INFO] [stderr] Compiling memchr v1.0.2 [INFO] [stderr] Compiling backtrace v0.3.63 [INFO] [stderr] Compiling csv v0.15.0 [INFO] [stderr] Compiling docopt v0.7.0 [INFO] [stderr] Compiling env_logger v0.4.3 [INFO] [stderr] Compiling addr2line v0.17.0 [INFO] [stderr] Compiling error-chain v0.10.0 [INFO] [stderr] Compiling catcsv v0.1.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: use of deprecated macro `RustcDecodable`: rustc-serialize is deprecated and no longer supported [INFO] [stdout] --> src/main.rs:82:17 [INFO] [stdout] | [INFO] [stdout] 82 | #[derive(Debug, RustcDecodable)] [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:161:26 [INFO] [stdout] | [INFO] [stdout] 161 | fn output_csv(file: &mut Read, [INFO] [stdout] | ^^^^ help: use `dyn`: `dyn Read` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:163:28 [INFO] [stdout] | [INFO] [stdout] 163 | output: &mut Write) [INFO] [stdout] | ^^^^^ help: use `dyn`: `dyn Write` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/main.rs:44:5 [INFO] [stdout] | [INFO] [stdout] 44 | / error_chain! { [INFO] [stdout] 45 | | foreign_links { [INFO] [stdout] 46 | | Csv(csv::Error); [INFO] [stdout] 47 | | Io(io::Error); [INFO] [stdout] ... | [INFO] [stdout] 56 | | } [INFO] [stdout] 57 | | } [INFO] [stdout] | |_____^ [INFO] [stdout] | [INFO] [stdout] = note: this warning originates in the macro `error_chain_processed` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `std::error::Error::cause`: replaced by Error::source, which can support downcasting [INFO] [stdout] --> src/main.rs:44:5 [INFO] [stdout] | [INFO] [stdout] 44 | / error_chain! { [INFO] [stdout] 45 | | foreign_links { [INFO] [stdout] 46 | | Csv(csv::Error); [INFO] [stdout] 47 | | Io(io::Error); [INFO] [stdout] ... | [INFO] [stdout] 56 | | } [INFO] [stdout] 57 | | } [INFO] [stdout] | |_____^ [INFO] [stdout] | [INFO] [stdout] = note: this warning originates in the macro `error_chain_processed` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 10.46s [INFO] running `Command { std: "docker" "inspect" "020cae4705c977d486c22d1aad02659b688d392f1ed024f8aa1a7181dc642e62", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "020cae4705c977d486c22d1aad02659b688d392f1ed024f8aa1a7181dc642e62", kill_on_drop: false }` [INFO] [stdout] 020cae4705c977d486c22d1aad02659b688d392f1ed024f8aa1a7181dc642e62 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 6c1ab4b5daeac759c9ee05ab2cdc38fd20ba812bb07b6de9019a58faf6b55298 [INFO] running `Command { std: "docker" "start" "-a" "6c1ab4b5daeac759c9ee05ab2cdc38fd20ba812bb07b6de9019a58faf6b55298", kill_on_drop: false }` [INFO] [stderr] Compiling cli_test_dir v0.1.7 [INFO] [stdout] warning: use of deprecated macro `RustcDecodable`: rustc-serialize is deprecated and no longer supported [INFO] [stdout] --> src/main.rs:82:17 [INFO] [stdout] | [INFO] [stdout] 82 | #[derive(Debug, RustcDecodable)] [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:161:26 [INFO] [stdout] | [INFO] [stdout] 161 | fn output_csv(file: &mut Read, [INFO] [stdout] | ^^^^ help: use `dyn`: `dyn Read` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:163:28 [INFO] [stdout] | [INFO] [stdout] 163 | output: &mut Write) [INFO] [stdout] | ^^^^^ help: use `dyn`: `dyn Write` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/main.rs:44:5 [INFO] [stdout] | [INFO] [stdout] 44 | / error_chain! { [INFO] [stdout] 45 | | foreign_links { [INFO] [stdout] 46 | | Csv(csv::Error); [INFO] [stdout] 47 | | Io(io::Error); [INFO] [stdout] ... | [INFO] [stdout] 56 | | } [INFO] [stdout] 57 | | } [INFO] [stdout] | |_____^ [INFO] [stdout] | [INFO] [stdout] = note: this warning originates in the macro `error_chain_processed` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `std::error::Error::cause`: replaced by Error::source, which can support downcasting [INFO] [stdout] --> src/main.rs:44:5 [INFO] [stdout] | [INFO] [stdout] 44 | / error_chain! { [INFO] [stdout] 45 | | foreign_links { [INFO] [stdout] 46 | | Csv(csv::Error); [INFO] [stdout] 47 | | Io(io::Error); [INFO] [stdout] ... | [INFO] [stdout] 56 | | } [INFO] [stdout] 57 | | } [INFO] [stdout] | |_____^ [INFO] [stdout] | [INFO] [stdout] = note: this warning originates in the macro `error_chain_processed` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling catcsv v0.1.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: use of deprecated macro `RustcDecodable`: rustc-serialize is deprecated and no longer supported [INFO] [stdout] --> src/main.rs:82:17 [INFO] [stdout] | [INFO] [stdout] 82 | #[derive(Debug, RustcDecodable)] [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:161:26 [INFO] [stdout] | [INFO] [stdout] 161 | fn output_csv(file: &mut Read, [INFO] [stdout] | ^^^^ help: use `dyn`: `dyn Read` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:163:28 [INFO] [stdout] | [INFO] [stdout] 163 | output: &mut Write) [INFO] [stdout] | ^^^^^ help: use `dyn`: `dyn Write` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/main.rs:44:5 [INFO] [stdout] | [INFO] [stdout] 44 | / error_chain! { [INFO] [stdout] 45 | | foreign_links { [INFO] [stdout] 46 | | Csv(csv::Error); [INFO] [stdout] 47 | | Io(io::Error); [INFO] [stdout] ... | [INFO] [stdout] 56 | | } [INFO] [stdout] 57 | | } [INFO] [stdout] | |_____^ [INFO] [stdout] | [INFO] [stdout] = note: this warning originates in the macro `error_chain_processed` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `std::error::Error::cause`: replaced by Error::source, which can support downcasting [INFO] [stdout] --> src/main.rs:44:5 [INFO] [stdout] | [INFO] [stdout] 44 | / error_chain! { [INFO] [stdout] 45 | | foreign_links { [INFO] [stdout] 46 | | Csv(csv::Error); [INFO] [stdout] 47 | | Io(io::Error); [INFO] [stdout] ... | [INFO] [stdout] 56 | | } [INFO] [stdout] 57 | | } [INFO] [stdout] | |_____^ [INFO] [stdout] | [INFO] [stdout] = note: this warning originates in the macro `error_chain_processed` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.66s [INFO] running `Command { std: "docker" "inspect" "6c1ab4b5daeac759c9ee05ab2cdc38fd20ba812bb07b6de9019a58faf6b55298", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6c1ab4b5daeac759c9ee05ab2cdc38fd20ba812bb07b6de9019a58faf6b55298", kill_on_drop: false }` [INFO] [stdout] 6c1ab4b5daeac759c9ee05ab2cdc38fd20ba812bb07b6de9019a58faf6b55298 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 15c1c6cbe169b0489b096d130f53528073d8f26000ddb9a241d2160373360c06 [INFO] running `Command { std: "docker" "start" "-a" "15c1c6cbe169b0489b096d130f53528073d8f26000ddb9a241d2160373360c06", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] warning: use of deprecated macro `RustcDecodable`: rustc-serialize is deprecated and no longer supported [INFO] [stderr] --> src/main.rs:82:17 [INFO] [stderr] | [INFO] [stderr] 82 | #[derive(Debug, RustcDecodable)] [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(deprecated)]` on by default [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/main.rs:161:26 [INFO] [stderr] | [INFO] [stderr] 161 | fn output_csv(file: &mut Read, [INFO] [stderr] | ^^^^ help: use `dyn`: `dyn Read` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/main.rs:163:28 [INFO] [stderr] | [INFO] [stderr] 163 | output: &mut Write) [INFO] [stderr] | ^^^^^ help: use `dyn`: `dyn Write` [INFO] [stderr] | [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see [INFO] [stderr] [INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string() [INFO] [stderr] --> src/main.rs:44:5 [INFO] [stderr] | [INFO] [stderr] 44 | / error_chain! { [INFO] [stderr] 45 | | foreign_links { [INFO] [stderr] 46 | | Csv(csv::Error); [INFO] [stderr] 47 | | Io(io::Error); [INFO] [stderr] ... | [INFO] [stderr] 56 | | } [INFO] [stderr] 57 | | } [INFO] [stderr] | |_____^ [INFO] [stderr] | [INFO] [stderr] = note: this warning originates in the macro `error_chain_processed` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: use of deprecated associated function `std::error::Error::cause`: replaced by Error::source, which can support downcasting [INFO] [stderr] --> src/main.rs:44:5 [INFO] [stderr] | [INFO] [stderr] 44 | / error_chain! { [INFO] [stderr] 45 | | foreign_links { [INFO] [stderr] 46 | | Csv(csv::Error); [INFO] [stderr] 47 | | Io(io::Error); [INFO] [stderr] ... | [INFO] [stderr] 56 | | } [INFO] [stderr] 57 | | } [INFO] [stderr] | |_____^ [INFO] [stderr] | [INFO] [stderr] = note: this warning originates in the macro `error_chain_processed` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: `catcsv` (bin "catcsv" test) generated 5 warnings [INFO] [stderr] warning: `catcsv` (bin "catcsv") generated 5 warnings (5 duplicates) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.07s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/catcsv-ed0cc7615ecb160b) [INFO] [stdout] [INFO] [stderr] Running tests/tests.rs (/opt/rustwide/target/debug/deps/tests-c6f95b1ec5a410cc) [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] [stdout] [INFO] [stdout] running 2 tests [INFO] [stdout] test cat_a_csv_and_csv_sz ... ok [INFO] [stdout] test cat_a_csv_and_csv_sz_in_a_dir ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.07s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "15c1c6cbe169b0489b096d130f53528073d8f26000ddb9a241d2160373360c06", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "15c1c6cbe169b0489b096d130f53528073d8f26000ddb9a241d2160373360c06", kill_on_drop: false }` [INFO] [stdout] 15c1c6cbe169b0489b096d130f53528073d8f26000ddb9a241d2160373360c06