[INFO] cloning repository https://github.com/testingcan/xlsx-csv
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/testingcan/xlsx-csv" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftestingcan%2Fxlsx-csv", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftestingcan%2Fxlsx-csv'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 97da68fc401725ad4672cd8e384b3caa15115faa
[INFO] checking testingcan/xlsx-csv against master#b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18 for pr-79470
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftestingcan%2Fxlsx-csv" "/workspace/builds/worker-10/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/testingcan/xlsx-csv on toolchain b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/testingcan/xlsx-csv
[INFO] finished tweaking git repo https://github.com/testingcan/xlsx-csv
[INFO] tweaked toml for git repo https://github.com/testingcan/xlsx-csv written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/testingcan/xlsx-csv already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b5f3d5d2c949cab4822eadf1a0f1a27796e4c7ce6b0e4dd2e2968626e0ad8ea2
[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" "b5f3d5d2c949cab4822eadf1a0f1a27796e4c7ce6b0e4dd2e2968626e0ad8ea2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b5f3d5d2c949cab4822eadf1a0f1a27796e4c7ce6b0e4dd2e2968626e0ad8ea2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b5f3d5d2c949cab4822eadf1a0f1a27796e4c7ce6b0e4dd2e2968626e0ad8ea2", kill_on_drop: false }`
[INFO] [stdout] b5f3d5d2c949cab4822eadf1a0f1a27796e4c7ce6b0e4dd2e2968626e0ad8ea2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 07b20980e9306131843ecd90bee1f0d262a5c174715f14ceaa2aba0a1de01a18
[INFO] running `Command { std: "docker" "start" "-a" "07b20980e9306131843ecd90bee1f0d262a5c174715f14ceaa2aba0a1de01a18", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking adler32 v1.0.3
[INFO] [stderr]     Checking dtoa v0.4.3
[INFO] [stderr]     Checking linked-hash-map v0.5.1
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]     Checking bitflags v1.0.4
[INFO] [stderr]     Checking memchr v0.1.11
[INFO] [stderr]    Compiling miniz_oxide_c_api v0.1.3
[INFO] [stderr]     Checking serde_test v0.8.23
[INFO] [stderr]     Checking encoding_rs v0.7.2
[INFO] [stderr]     Checking encoding_rs v0.8.6
[INFO] [stderr]    Compiling quote v0.6.4
[INFO] [stderr]     Checking nom v4.0.0
[INFO] [stderr]     Checking csv-core v0.1.4
[INFO] [stderr]     Checking thread-id v2.0.0
[INFO] [stderr]     Checking thread_local v0.2.7
[INFO] [stderr]     Checking miniz_oxide v0.1.3
[INFO] [stderr]     Checking aho-corasick v0.5.3
[INFO] [stderr]    Compiling syn v0.14.5
[INFO] [stderr]     Checking yaml-rust v0.4.0
[INFO] [stderr]     Checking clap v2.32.0
[INFO] [stderr]     Checking serde_json v1.0.24
[INFO] [stderr]     Checking csv v1.0.0
[INFO] [stderr]     Checking regex v0.1.80
[INFO] [stderr]     Checking linked-hash-map v0.3.0
[INFO] [stderr]     Checking flate2 v1.0.1
[INFO] [stderr]     Checking zip v0.4.2
[INFO] [stderr]     Checking serde-hjson v0.8.1
[INFO] [stderr]     Checking config v0.9.0
[INFO] [stderr]    Compiling synstructure v0.9.0
[INFO] [stderr]    Compiling failure_derive v0.1.2
[INFO] [stderr]    Compiling serde_derive v1.0.70
[INFO] [stderr]     Checking failure v0.1.2
[INFO] [stderr]     Checking quick-xml v0.12.1
[INFO] [stderr]     Checking calamine v0.14.3
[INFO] [stderr]     Checking xlsx-csv v0.2.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/file.rs:9:77
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub fn move_file(file: &str, archive: &str, source: &str) -> Result<(), Box<Error>> {
[INFO] [stdout]   |                                                                             ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/file.rs:31:21
[INFO] [stdout]    |
[INFO] [stdout] 31 | ) -> Result<(), Box<Error>> {
[INFO] [stdout]    |                     ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/file.rs:9:77
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub fn move_file(file: &str, archive: &str, source: &str) -> Result<(), Box<Error>> {
[INFO] [stdout]   |                                                                             ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/file.rs:31:21
[INFO] [stdout]    |
[INFO] [stdout] 31 | ) -> Result<(), Box<Error>> {
[INFO] [stdout]    |                     ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]   --> src/file.rs:90:13
[INFO] [stdout]    |
[INFO] [stdout] 90 |         let mut f = File::create("foo.xlsx");
[INFO] [stdout]    |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/file.rs:90:13
[INFO] [stdout]    |
[INFO] [stdout] 90 |         let mut f = File::create("foo.xlsx");
[INFO] [stdout]    |             ----^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/file.rs:93:9
[INFO] [stdout]    |
[INFO] [stdout] 93 |         remove_file("foo.xlsx");
[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: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 53.87s
[INFO] running `Command { std: "docker" "inspect" "07b20980e9306131843ecd90bee1f0d262a5c174715f14ceaa2aba0a1de01a18", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "07b20980e9306131843ecd90bee1f0d262a5c174715f14ceaa2aba0a1de01a18", kill_on_drop: false }`
[INFO] [stdout] 07b20980e9306131843ecd90bee1f0d262a5c174715f14ceaa2aba0a1de01a18