[INFO] cloning repository https://github.com/softyanshi/mini-task3
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/softyanshi/mini-task3" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsoftyanshi%2Fmini-task3", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsoftyanshi%2Fmini-task3'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 01f47eeebd8fd3d3c691c994a8165acd20e232c4
[INFO] testing softyanshi/mini-task3 against master#b03b3a7ec92682be2917540b679478d41c95a30c for pr-137122-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsoftyanshi%2Fmini-task3" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/softyanshi/mini-task3
[INFO] finished tweaking git repo https://github.com/softyanshi/mini-task3
[INFO] tweaked toml for git repo https://github.com/softyanshi/mini-task3 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/softyanshi/mini-task3 on toolchain b03b3a7ec92682be2917540b679478d41c95a30c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b03b3a7ec92682be2917540b679478d41c95a30c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/softyanshi/mini-task3 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b03b3a7ec92682be2917540b679478d41c95a30c" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+b03b3a7ec92682be2917540b679478d41c95a30c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 640e85036c97a5853d8040212cfa36b245be927933fddbdabe8392ec3d7a6d73
[INFO] running `Command { std: "docker" "start" "-a" "640e85036c97a5853d8040212cfa36b245be927933fddbdabe8392ec3d7a6d73", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "640e85036c97a5853d8040212cfa36b245be927933fddbdabe8392ec3d7a6d73", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "640e85036c97a5853d8040212cfa36b245be927933fddbdabe8392ec3d7a6d73", kill_on_drop: false }`
[INFO] [stdout] 640e85036c97a5853d8040212cfa36b245be927933fddbdabe8392ec3d7a6d73
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "RUSTDOCFLAGS=--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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+b03b3a7ec92682be2917540b679478d41c95a30c" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bb4ed09ec2360ac1a0cbe8c3fe80ca87012871f3307529ab5e899159cfb19234
[INFO] running `Command { std: "docker" "start" "-a" "bb4ed09ec2360ac1a0cbe8c3fe80ca87012871f3307529ab5e899159cfb19234", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.5.0
[INFO] [stderr]    Compiling version_check v0.9.5
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]    Compiling encoding_index_tests v0.1.4
[INFO] [stderr]    Compiling unicode-ident v1.0.18
[INFO] [stderr]    Compiling proc-macro-hack v0.5.20+deprecated
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling cfg-if v1.0.1
[INFO] [stderr]    Compiling libc v0.2.174
[INFO] [stderr]    Compiling crc32fast v1.4.2
[INFO] [stderr]    Compiling adler32 v1.2.0
[INFO] [stderr]    Compiling const_fn v0.4.11
[INFO] [stderr]    Compiling standback v0.2.17
[INFO] [stderr]    Compiling time v0.2.27
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling weezl v0.1.10
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]    Compiling adler2 v2.0.1
[INFO] [stderr]    Compiling miniz_oxide v0.8.9
[INFO] [stderr]    Compiling deflate v0.8.6
[INFO] [stderr]    Compiling miniz_oxide v0.3.7
[INFO] [stderr]    Compiling encoding-index-tradchinese v1.20141219.5
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling encoding-index-japanese v1.20141219.5
[INFO] [stderr]    Compiling encoding-index-korean v1.20141219.5
[INFO] [stderr]    Compiling encoding-index-singlebyte v1.20141219.5
[INFO] [stderr]    Compiling encoding-index-simpchinese v1.20141219.5
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling jpeg-decoder v0.1.22
[INFO] [stderr]    Compiling color_quant v1.1.0
[INFO] [stderr]    Compiling num-iter v0.1.45
[INFO] [stderr]    Compiling png v0.16.8
[INFO] [stderr]    Compiling gif v0.11.4
[INFO] [stderr]    Compiling encoding v0.2.33
[INFO] [stderr]    Compiling ordered-float v1.1.1
[INFO] [stderr]    Compiling time-macros-impl v0.1.2
[INFO] [stderr]    Compiling tiff v0.6.1
[INFO] [stderr]    Compiling approx v0.3.2
[INFO] [stderr]    Compiling flate2 v1.1.2
[INFO] [stderr]    Compiling time-macros v0.1.1
[INFO] [stderr]    Compiling stb_truetype v0.3.1
[INFO] [stderr]    Compiling bytemuck v1.23.1
[INFO] [stderr]    Compiling log v0.4.27
[INFO] [stderr]    Compiling dtoa v0.4.8
[INFO] [stderr]    Compiling lzw v0.10.0
[INFO] [stderr]    Compiling linked-hash-map v0.5.6
[INFO] [stderr]    Compiling itoa v0.4.8
[INFO] [stderr]    Compiling image v0.23.14
[INFO] [stderr]    Compiling rusttype v0.8.3
[INFO] [stderr]    Compiling text_io v0.1.13
[INFO] [stderr]    Compiling lopdf v0.26.0
[INFO] [stderr]    Compiling printpdf v0.3.4
[INFO] [stderr]    Compiling student_report_card v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Write`
[INFO] [stdout]  --> src/main.rs:3:26
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::io::{BufWriter, Write};
[INFO] [stdout]   |                          ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 30.69s
[INFO] running `Command { std: "docker" "inspect" "bb4ed09ec2360ac1a0cbe8c3fe80ca87012871f3307529ab5e899159cfb19234", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bb4ed09ec2360ac1a0cbe8c3fe80ca87012871f3307529ab5e899159cfb19234", kill_on_drop: false }`
[INFO] [stdout] bb4ed09ec2360ac1a0cbe8c3fe80ca87012871f3307529ab5e899159cfb19234
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "RUSTDOCFLAGS=--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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+b03b3a7ec92682be2917540b679478d41c95a30c" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 707c490b48b09bab92e033ac1bae236c7e589009ba4f42629bae32eab71036ba
[INFO] running `Command { std: "docker" "start" "-a" "707c490b48b09bab92e033ac1bae236c7e589009ba4f42629bae32eab71036ba", kill_on_drop: false }`
[INFO] [stderr]    Compiling student_report_card v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Write`
[INFO] [stdout]  --> src/main.rs:3:26
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::io::{BufWriter, Write};
[INFO] [stdout]   |                          ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.60s
[INFO] running `Command { std: "docker" "inspect" "707c490b48b09bab92e033ac1bae236c7e589009ba4f42629bae32eab71036ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "707c490b48b09bab92e033ac1bae236c7e589009ba4f42629bae32eab71036ba", kill_on_drop: false }`
[INFO] [stdout] 707c490b48b09bab92e033ac1bae236c7e589009ba4f42629bae32eab71036ba
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "RUSTDOCFLAGS=--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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+b03b3a7ec92682be2917540b679478d41c95a30c" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 28160aa9fd0bec123387e07162ae9821ebe44d81ecb67d69b092d77ed1e84c78
[INFO] running `Command { std: "docker" "start" "-a" "28160aa9fd0bec123387e07162ae9821ebe44d81ecb67d69b092d77ed1e84c78", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `Write`
[INFO] [stderr]  --> src/main.rs:3:26
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::io::{BufWriter, Write};
[INFO] [stderr]   |                          ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `student_report_card` (bin "student_report_card" test) generated 1 warning
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.22s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/student_report_card-a59ec04aa0dffdbe)
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "28160aa9fd0bec123387e07162ae9821ebe44d81ecb67d69b092d77ed1e84c78", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "28160aa9fd0bec123387e07162ae9821ebe44d81ecb67d69b092d77ed1e84c78", kill_on_drop: false }`
[INFO] [stdout] 28160aa9fd0bec123387e07162ae9821ebe44d81ecb67d69b092d77ed1e84c78