[INFO] cloning repository https://github.com/cuichenli/mdict-reader
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cuichenli/mdict-reader" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcuichenli%2Fmdict-reader", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcuichenli%2Fmdict-reader'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5c6259555e248bc2e9573cff6ef67d5753e7c0e0
[INFO] testing cuichenli/mdict-reader against 1.60.0 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcuichenli%2Fmdict-reader" "/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/cuichenli/mdict-reader on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/cuichenli/mdict-reader
[INFO] finished tweaking git repo https://github.com/cuichenli/mdict-reader
[INFO] tweaked toml for git repo https://github.com/cuichenli/mdict-reader written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/cuichenli/mdict-reader already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 017e55d9d982b9c02d3097824a3f20776ae2226a547baff05d4640c4356e2eba
[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" "017e55d9d982b9c02d3097824a3f20776ae2226a547baff05d4640c4356e2eba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "017e55d9d982b9c02d3097824a3f20776ae2226a547baff05d4640c4356e2eba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "017e55d9d982b9c02d3097824a3f20776ae2226a547baff05d4640c4356e2eba", kill_on_drop: false }`
[INFO] [stdout] 017e55d9d982b9c02d3097824a3f20776ae2226a547baff05d4640c4356e2eba
[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=warn" "-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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--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] d8d17927a8487038a0eda5c8743f5c55320847c035a4391aedefcecc1b35db79
[INFO] running `Command { std: "docker" "start" "-a" "d8d17927a8487038a0eda5c8743f5c55320847c035a4391aedefcecc1b35db79", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.16
[INFO] [stderr]    Compiling libc v0.2.67
[INFO] [stderr]    Compiling failure_derive v0.1.7
[INFO] [stderr]    Compiling backtrace-sys v0.1.33
[INFO] [stderr]    Compiling backtrace v0.3.45
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]    Compiling failure v0.1.7
[INFO] [stderr]    Compiling mdict-reader v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `Cursor`, `Read`
[INFO] [stdout]  --> src/mdict.rs:2:15
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::io::{Read, Cursor, SeekFrom, Seek};
[INFO] [stdout]   |               ^^^^  ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::convert::TryInto`
[INFO] [stdout]  --> src/mdict.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::convert::TryInto;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `header`
[INFO] [stdout]   --> src/mdict.rs:36:9
[INFO] [stdout]    |
[INFO] [stdout] 36 |     let header = String::from_utf16_lossy(
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_header`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `offset`
[INFO] [stdout]  --> src/mdict.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     offset: u64
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]  --> src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     mdict::read_header("example.mdx");
[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] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 22.54s
[INFO] running `Command { std: "docker" "inspect" "d8d17927a8487038a0eda5c8743f5c55320847c035a4391aedefcecc1b35db79", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d8d17927a8487038a0eda5c8743f5c55320847c035a4391aedefcecc1b35db79", kill_on_drop: false }`
[INFO] [stdout] d8d17927a8487038a0eda5c8743f5c55320847c035a4391aedefcecc1b35db79
[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=warn" "-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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--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] de7766ce3fd4fa47ca0955b1f19a17998bc045c0c733f160c1a1984e6ec2c7e8
[INFO] running `Command { std: "docker" "start" "-a" "de7766ce3fd4fa47ca0955b1f19a17998bc045c0c733f160c1a1984e6ec2c7e8", kill_on_drop: false }`
[INFO] [stderr]    Compiling mdict-reader v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `Cursor`, `Read`
[INFO] [stdout]  --> src/mdict.rs:2:15
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::io::{Read, Cursor, SeekFrom, Seek};
[INFO] [stdout]   |               ^^^^  ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::convert::TryInto`
[INFO] [stdout]  --> src/mdict.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::convert::TryInto;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `header`
[INFO] [stdout]   --> src/mdict.rs:36:9
[INFO] [stdout]    |
[INFO] [stdout] 36 |     let header = String::from_utf16_lossy(
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_header`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `offset`
[INFO] [stdout]  --> src/mdict.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     offset: u64
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]  --> src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     mdict::read_header("example.mdx");
[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] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.12s
[INFO] running `Command { std: "docker" "inspect" "de7766ce3fd4fa47ca0955b1f19a17998bc045c0c733f160c1a1984e6ec2c7e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de7766ce3fd4fa47ca0955b1f19a17998bc045c0c733f160c1a1984e6ec2c7e8", kill_on_drop: false }`
[INFO] [stdout] de7766ce3fd4fa47ca0955b1f19a17998bc045c0c733f160c1a1984e6ec2c7e8
[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=warn" "-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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", 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] 0678a5fb8ef01d0d50038251b76992493b56504f5016e3186d5499774bc7d9a6
[INFO] running `Command { std: "docker" "start" "-a" "0678a5fb8ef01d0d50038251b76992493b56504f5016e3186d5499774bc7d9a6", kill_on_drop: false }`
[INFO] [stderr] warning: unused imports: `Cursor`, `Read`
[INFO] [stderr]  --> src/mdict.rs:2:15
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::io::{Read, Cursor, SeekFrom, Seek};
[INFO] [stderr]   |               ^^^^  ^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::convert::TryInto`
[INFO] [stderr]  --> src/mdict.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::convert::TryInto;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `header`
[INFO] [stderr]   --> src/mdict.rs:36:9
[INFO] [stderr]    |
[INFO] [stderr] 36 |     let header = String::from_utf16_lossy(
[INFO] [stderr]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_header`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `offset`
[INFO] [stderr]  --> src/mdict.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 |     offset: u64
[INFO] [stderr]   |     ^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]  --> src/main.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 |     mdict::read_header("example.mdx");
[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: `mdict-reader` (bin "mdict-reader" test) generated 5 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/mdict_reader-74cf9391f1bcb316)
[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" "0678a5fb8ef01d0d50038251b76992493b56504f5016e3186d5499774bc7d9a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0678a5fb8ef01d0d50038251b76992493b56504f5016e3186d5499774bc7d9a6", kill_on_drop: false }`
[INFO] [stdout] 0678a5fb8ef01d0d50038251b76992493b56504f5016e3186d5499774bc7d9a6