[INFO] cloning repository https://github.com/exrook/zfsbrowser
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/exrook/zfsbrowser" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fexrook%2Fzfsbrowser", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fexrook%2Fzfsbrowser'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] cb71ba89b91aad519e9d4ca0453723f17b1cd9db
[INFO] checking exrook/zfsbrowser against try#15a786332e2f0dd343b226ab6bb8ec028a350f73 for pr-81782
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fexrook%2Fzfsbrowser" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/exrook/zfsbrowser on toolchain 15a786332e2f0dd343b226ab6bb8ec028a350f73
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+15a786332e2f0dd343b226ab6bb8ec028a350f73" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/exrook/zfsbrowser
[INFO] finished tweaking git repo https://github.com/exrook/zfsbrowser
[INFO] tweaked toml for git repo https://github.com/exrook/zfsbrowser written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/exrook/zfsbrowser already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+15a786332e2f0dd343b226ab6bb8ec028a350f73" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/mrhooray/crc-rs`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded proc-macro-error-attr v0.4.12
[INFO] [stderr]   Downloaded proc-macro-error v0.4.12
[INFO] [stderr]   Downloaded enum-repr-derive v0.1.3
[INFO] [stderr]   Downloaded lz4-compression v0.6.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+15a786332e2f0dd343b226ab6bb8ec028a350f73" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3b1898bf63e39a28df784f8b998370552bb155ca0b55ebd6b92f807cd835993c
[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" "3b1898bf63e39a28df784f8b998370552bb155ca0b55ebd6b92f807cd835993c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3b1898bf63e39a28df784f8b998370552bb155ca0b55ebd6b92f807cd835993c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3b1898bf63e39a28df784f8b998370552bb155ca0b55ebd6b92f807cd835993c", kill_on_drop: false }`
[INFO] [stdout] 3b1898bf63e39a28df784f8b998370552bb155ca0b55ebd6b92f807cd835993c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+15a786332e2f0dd343b226ab6bb8ec028a350f73" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0eb1ea67cc83266c8fe830cf0de4e2d3181b6f3e56af7f42936c688d714b56a2
[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" "0eb1ea67cc83266c8fe830cf0de4e2d3181b6f3e56af7f42936c688d714b56a2", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]     Checking nodrop v0.1.14
[INFO] [stderr]     Checking cfg-if v0.1.9
[INFO] [stderr]     Checking static_assertions v0.3.4
[INFO] [stderr]     Checking crc v2.0.0 (https://github.com/mrhooray/crc-rs#86696be0)
[INFO] [stderr]    Compiling proc-macro-error-attr v0.4.12
[INFO] [stderr]    Compiling proc-macro-error v0.4.12
[INFO] [stderr]    Compiling nom v5.1.1
[INFO] [stderr]     Checking ryu v1.0.3
[INFO] [stderr]    Compiling lexical-core v0.6.7
[INFO] [stderr]     Checking lz4-compression v0.6.1
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.15
[INFO] [stderr]    Compiling enum-repr-derive v0.1.3
[INFO] [stderr]     Checking thiserror v1.0.15
[INFO] [stderr]     Checking zfs-rs v0.1.0 (/opt/rustwide/workdir/zfs-rs)
[INFO] [stderr]     Checking zfs-cli v0.1.0 (/opt/rustwide/workdir/zfs-cli)
[INFO] [stdout] warning: unused import: `zfs_rs::zap::ZapResult`
[INFO] [stdout]  --> zfs-cli/src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use zfs_rs::zap::ZapResult;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `zfs_rs::zap::ZapResult`
[INFO] [stdout]  --> zfs-cli/src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use zfs_rs::zap::ZapResult;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> zfs-cli/src/main.rs:85:29
[INFO] [stdout]    |
[INFO] [stdout] 85 | ...                   _ => Err(Err(ZfsErrorKind::NotFound.into())),
[INFO] [stdout]    |                       ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> zfs-cli/src/main.rs:85:29
[INFO] [stdout]    |
[INFO] [stdout] 85 | ...                   _ => Err(Err(ZfsErrorKind::NotFound.into())),
[INFO] [stdout]    |                       ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 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 41.72s
[INFO] running `Command { std: "docker" "inspect" "0eb1ea67cc83266c8fe830cf0de4e2d3181b6f3e56af7f42936c688d714b56a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0eb1ea67cc83266c8fe830cf0de4e2d3181b6f3e56af7f42936c688d714b56a2", kill_on_drop: false }`
[INFO] [stdout] 0eb1ea67cc83266c8fe830cf0de4e2d3181b6f3e56af7f42936c688d714b56a2