[INFO] cloning repository https://github.com/qiuzhanghua/single_pass [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/qiuzhanghua/single_pass" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fqiuzhanghua%2Fsingle_pass", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fqiuzhanghua%2Fsingle_pass'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] db0154fa6f479d23c01fdb8e9f4f7b43bce460b1 [INFO] testing qiuzhanghua/single_pass against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fqiuzhanghua%2Fsingle_pass" "/workspace/builds/worker-35/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-35/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/qiuzhanghua/single_pass on toolchain 62efba8a050c64249dab942951bb28f710208bc8 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/qiuzhanghua/single_pass [INFO] finished tweaking git repo https://github.com/qiuzhanghua/single_pass [INFO] tweaked toml for git repo https://github.com/qiuzhanghua/single_pass written to /workspace/builds/worker-35/source/Cargo.toml [INFO] crate git repo https://github.com/qiuzhanghua/single_pass already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "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 encoding_rs_io v0.1.7 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-35/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-35/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 56a1c8f235d72609952ad1d4c40146f77962693b15a75448be5946e54393d39c [INFO] running `Command { std: "docker" "start" "-a" "56a1c8f235d72609952ad1d4c40146f77962693b15a75448be5946e54393d39c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "56a1c8f235d72609952ad1d4c40146f77962693b15a75448be5946e54393d39c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "56a1c8f235d72609952ad1d4c40146f77962693b15a75448be5946e54393d39c", kill_on_drop: false }` [INFO] [stdout] 56a1c8f235d72609952ad1d4c40146f77962693b15a75448be5946e54393d39c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-35/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-35/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 588f656ebb3de809fac8339beaeb41cb61f738490532fddb191c76a3858dc4c4 [INFO] running `Command { std: "docker" "start" "-a" "588f656ebb3de809fac8339beaeb41cb61f738490532fddb191c76a3858dc4c4", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.0.0 [INFO] [stderr] Compiling libc v0.2.66 [INFO] [stderr] Compiling byteorder v1.3.4 [INFO] [stderr] Compiling memchr v2.3.2 [INFO] [stderr] Compiling proc-macro2 v1.0.8 [INFO] [stderr] Compiling unicode-xid v0.2.0 [INFO] [stderr] Compiling serde v1.0.104 [INFO] [stderr] Compiling syn v1.0.14 [INFO] [stderr] Compiling ryu v1.0.2 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling encoding_rs v0.8.22 [INFO] [stderr] Compiling unicode-width v0.1.7 [INFO] [stderr] Compiling cfg-if v0.1.10 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling ansi_term v0.11.0 [INFO] [stderr] Compiling itoa v0.4.5 [INFO] [stderr] Compiling yaml-rust v0.3.5 [INFO] [stderr] Compiling vec_map v0.8.1 [INFO] [stderr] Compiling strsim v0.8.0 [INFO] [stderr] Compiling dotenv v0.15.0 [INFO] [stderr] Compiling textwrap v0.11.0 [INFO] [stderr] Compiling num-traits v0.2.11 [INFO] [stderr] Compiling num-integer v0.1.42 [INFO] [stderr] Compiling csv-core v0.1.10 [INFO] [stderr] Compiling regex-automata v0.1.8 [INFO] [stderr] Compiling quote v1.0.2 [INFO] [stderr] Compiling time v0.1.42 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling encoding_rs_io v0.1.7 [INFO] [stderr] Compiling clap v2.33.0 [INFO] [stderr] Compiling bstr v0.2.11 [INFO] [stderr] Compiling chrono v0.4.10 [INFO] [stderr] Compiling csv v1.1.3 [INFO] [stderr] Compiling serde_derive v1.0.104 [INFO] [stderr] Compiling single_pass v0.2.3 (/opt/rustwide/workdir) [INFO] [stdout] warning: field is never read: `id` [INFO] [stdout] --> src/main.rs:186:5 [INFO] [stdout] | [INFO] [stdout] 186 | id: String, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `title` [INFO] [stdout] --> src/main.rs:187:5 [INFO] [stdout] | [INFO] [stdout] 187 | title: String, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `id` [INFO] [stdout] --> src/main.rs:193:5 [INFO] [stdout] | [INFO] [stdout] 193 | id: String, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> src/main.rs:56:28 [INFO] [stdout] | [INFO] [stdout] 56 | panic!(e.to_string()) [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_fmt_panics)]` on by default [INFO] [stdout] = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: add a "{}" format string to Display the message [INFO] [stdout] | [INFO] [stdout] 56 | panic!("{}", e.to_string()) [INFO] [stdout] | +++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 39.41s [INFO] running `Command { std: "docker" "inspect" "588f656ebb3de809fac8339beaeb41cb61f738490532fddb191c76a3858dc4c4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "588f656ebb3de809fac8339beaeb41cb61f738490532fddb191c76a3858dc4c4", kill_on_drop: false }` [INFO] [stdout] 588f656ebb3de809fac8339beaeb41cb61f738490532fddb191c76a3858dc4c4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-35/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-35/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 350911f9012df750b5301719e31f3e6aab119c71de7997d60779fdcbdaa61583 [INFO] running `Command { std: "docker" "start" "-a" "350911f9012df750b5301719e31f3e6aab119c71de7997d60779fdcbdaa61583", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling single_pass v0.2.3 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::fs::File` [INFO] [stdout] --> src/main.rs:201:9 [INFO] [stdout] | [INFO] [stdout] 201 | use std::fs::File; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `BufRead`, `BufReader` [INFO] [stdout] --> src/main.rs:202:19 [INFO] [stdout] | [INFO] [stdout] 202 | use std::io::{BufRead, BufReader}; [INFO] [stdout] | ^^^^^^^ ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `id` [INFO] [stdout] --> src/main.rs:186:5 [INFO] [stdout] | [INFO] [stdout] 186 | id: String, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `title` [INFO] [stdout] --> src/main.rs:187:5 [INFO] [stdout] | [INFO] [stdout] 187 | title: String, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `id` [INFO] [stdout] --> src/main.rs:193:5 [INFO] [stdout] | [INFO] [stdout] 193 | id: String, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> src/main.rs:56:28 [INFO] [stdout] | [INFO] [stdout] 56 | panic!(e.to_string()) [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_fmt_panics)]` on by default [INFO] [stdout] = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: add a "{}" format string to Display the message [INFO] [stdout] | [INFO] [stdout] 56 | panic!("{}", e.to_string()) [INFO] [stdout] | +++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.47s [INFO] running `Command { std: "docker" "inspect" "350911f9012df750b5301719e31f3e6aab119c71de7997d60779fdcbdaa61583", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "350911f9012df750b5301719e31f3e6aab119c71de7997d60779fdcbdaa61583", kill_on_drop: false }` [INFO] [stdout] 350911f9012df750b5301719e31f3e6aab119c71de7997d60779fdcbdaa61583 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-35/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-35/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 5eedbce73ebe43772426f49e632c023b4791d0bdfa759baad61e6d6fceb7061c [INFO] running `Command { std: "docker" "start" "-a" "5eedbce73ebe43772426f49e632c023b4791d0bdfa759baad61e6d6fceb7061c", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] warning: unused import: `std::fs::File` [INFO] [stderr] --> src/main.rs:201:9 [INFO] [stderr] | [INFO] [stderr] 201 | use std::fs::File; [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused imports: `BufRead`, `BufReader` [INFO] [stderr] --> src/main.rs:202:19 [INFO] [stderr] | [INFO] [stderr] 202 | use std::io::{BufRead, BufReader}; [INFO] [stderr] | ^^^^^^^ ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never read: `id` [INFO] [stderr] --> src/main.rs:186:5 [INFO] [stderr] | [INFO] [stderr] 186 | id: String, [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: field is never read: `title` [INFO] [stderr] --> src/main.rs:187:5 [INFO] [stderr] | [INFO] [stderr] 187 | title: String, [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never read: `id` [INFO] [stderr] --> src/main.rs:193:5 [INFO] [stderr] | [INFO] [stderr] 193 | id: String, [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: panic message is not a string literal [INFO] [stderr] --> src/main.rs:56:28 [INFO] [stderr] | [INFO] [stderr] 56 | panic!(e.to_string()) [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_fmt_panics)]` on by default [INFO] [stderr] = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021 [INFO] [stderr] = note: for more information, see [INFO] [stderr] help: add a "{}" format string to Display the message [INFO] [stderr] | [INFO] [stderr] 56 | panic!("{}", e.to_string()) [INFO] [stderr] | +++++ [INFO] [stderr] [INFO] [stderr] warning: `single_pass` (bin "single_pass" test) generated 6 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 5.18s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/single_pass-7898ad9f7ae3c266) [INFO] [stdout] [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/single_pass-58f5e008eaeb3b15) [INFO] [stdout] running 3 tests [INFO] [stdout] test tests::test_lcs ... ok [INFO] [stdout] test tests::test_lcs_3 ... ok [INFO] [stdout] test tests::test_lcs_2 ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test tests::test_file ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Doc-tests single_pass [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test src/lib.rs - lcs::longest_common_substr (line 5) ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.36s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "5eedbce73ebe43772426f49e632c023b4791d0bdfa759baad61e6d6fceb7061c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5eedbce73ebe43772426f49e632c023b4791d0bdfa759baad61e6d6fceb7061c", kill_on_drop: false }` [INFO] [stdout] 5eedbce73ebe43772426f49e632c023b4791d0bdfa759baad61e6d6fceb7061c