[INFO] fetching crate rd-util 2.2.3...
[INFO] testing rd-util-2.2.3 against try#fc4ba03ef77ca5018fb78a097d3b924d30f15bfc+target=i686-unknown-linux-musl for musl_upgrade_1_2_take4
[INFO] extracting crate rd-util 2.2.3 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate rd-util 2.2.3 on toolchain fc4ba03ef77ca5018fb78a097d3b924d30f15bfc
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+fc4ba03ef77ca5018fb78a097d3b924d30f15bfc" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rd-util 2.2.3
[INFO] finished tweaking crates.io crate rd-util 2.2.3
[INFO] tweaked toml for crates.io crate rd-util 2.2.3 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+fc4ba03ef77ca5018fb78a097d3b924d30f15bfc" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+fc4ba03ef77ca5018fb78a097d3b924d30f15bfc" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:bb5b0feb4f87116a4ea905b7ff5bf5b85913db05e9f0fbc1abdd3168928d9075" "/opt/rustwide/cargo-home/bin/cargo" "+fc4ba03ef77ca5018fb78a097d3b924d30f15bfc" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6104c346507c578b9d3b8a4a801323728bc49fd8c5264cc6f09b1eea4763f57d
[INFO] running `Command { std: "docker" "start" "-a" "6104c346507c578b9d3b8a4a801323728bc49fd8c5264cc6f09b1eea4763f57d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6104c346507c578b9d3b8a4a801323728bc49fd8c5264cc6f09b1eea4763f57d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6104c346507c578b9d3b8a4a801323728bc49fd8c5264cc6f09b1eea4763f57d", kill_on_drop: false }`
[INFO] [stdout] 6104c346507c578b9d3b8a4a801323728bc49fd8c5264cc6f09b1eea4763f57d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:bb5b0feb4f87116a4ea905b7ff5bf5b85913db05e9f0fbc1abdd3168928d9075" "/opt/rustwide/cargo-home/bin/cargo" "+fc4ba03ef77ca5018fb78a097d3b924d30f15bfc" "build" "--frozen" "--message-format=json" "--target" "i686-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] 4ea14bffa14b7947c2b76bb0f71fad6889796b5bbb04d1805765f07a97cdc904
[INFO] running `Command { std: "docker" "start" "-a" "4ea14bffa14b7947c2b76bb0f71fad6889796b5bbb04d1805765f07a97cdc904", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.138
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[INFO] [stderr]    Compiling version_check v0.9.4
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[INFO] [stderr]    Compiling pkg-config v0.3.26
[INFO] [stderr]    Compiling log v0.4.17
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[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling unicode-bidi v0.3.8
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling tinyvec v1.6.0
[INFO] [stderr]    Compiling semver v1.0.14
[INFO] [stderr]    Compiling itoa v1.0.4
[INFO] [stderr]    Compiling percent-encoding v2.2.0
[INFO] [stderr]    Compiling time-core v0.1.0
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[INFO] [stderr]    Compiling form_urlencoded v1.1.0
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling thiserror v1.0.37
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[INFO] [stderr]    Compiling serde v1.0.150
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[INFO] [stderr]    Compiling sysinfo v0.23.13
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[INFO] [stderr]    Compiling rayon v1.6.1
[INFO] [stderr]    Compiling rand_chacha v0.3.1
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[INFO] [stderr]    Compiling humantime v2.1.0
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[INFO] [stderr]    Compiling rand v0.8.5
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[INFO] [stderr]    Compiling page_size v0.4.2
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]    Compiling json v0.12.4
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]    Compiling env_logger v0.9.3
[INFO] [stderr]    Compiling scan_fmt v0.2.6
[INFO] [stderr]    Compiling thiserror-impl v1.0.37
[INFO] [stderr]    Compiling enum-iterator-derive v1.1.0
[INFO] [stderr]    Compiling getset v0.1.2
[INFO] [stderr]    Compiling rustbus_derive v0.4.0
[INFO] [stderr]    Compiling rustbus v0.17.0
[INFO] [stderr]    Compiling partition-identity v0.2.8
[INFO] [stderr]    Compiling proc-mounts v0.2.4
[INFO] [stderr]    Compiling enum-iterator v1.1.3
[INFO] [stderr]    Compiling git2 v0.14.4
[INFO] [stderr]    Compiling rd-util v2.2.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]   --> src/storage_info.rs:55:17
[INFO] [stdout]    |
[INFO] [stdout] 55 |     if devnr == unsafe { libc::makedev(maj, min) } {
[INFO] [stdout]    |                 ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_unsafe)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 19.13s
[INFO] running `Command { std: "docker" "inspect" "4ea14bffa14b7947c2b76bb0f71fad6889796b5bbb04d1805765f07a97cdc904", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ea14bffa14b7947c2b76bb0f71fad6889796b5bbb04d1805765f07a97cdc904", kill_on_drop: false }`
[INFO] [stdout] 4ea14bffa14b7947c2b76bb0f71fad6889796b5bbb04d1805765f07a97cdc904
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:bb5b0feb4f87116a4ea905b7ff5bf5b85913db05e9f0fbc1abdd3168928d9075" "/opt/rustwide/cargo-home/bin/cargo" "+fc4ba03ef77ca5018fb78a097d3b924d30f15bfc" "test" "--frozen" "--no-run" "--message-format=json" "--target" "i686-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] 682f356c6e5172321c1e89db518ca401c3915869c2f69e1b0917a352d462996a
[INFO] running `Command { std: "docker" "start" "-a" "682f356c6e5172321c1e89db518ca401c3915869c2f69e1b0917a352d462996a", kill_on_drop: false }`
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]   --> src/storage_info.rs:55:17
[INFO] [stdout]    |
[INFO] [stdout] 55 |     if devnr == unsafe { libc::makedev(maj, min) } {
[INFO] [stdout]    |                 ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_unsafe)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling rd-util v2.2.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]   --> src/storage_info.rs:55:17
[INFO] [stdout]    |
[INFO] [stdout] 55 |     if devnr == unsafe { libc::makedev(maj, min) } {
[INFO] [stdout]    |                 ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_unsafe)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.06s
[INFO] running `Command { std: "docker" "inspect" "682f356c6e5172321c1e89db518ca401c3915869c2f69e1b0917a352d462996a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "682f356c6e5172321c1e89db518ca401c3915869c2f69e1b0917a352d462996a", kill_on_drop: false }`
[INFO] [stdout] 682f356c6e5172321c1e89db518ca401c3915869c2f69e1b0917a352d462996a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:bb5b0feb4f87116a4ea905b7ff5bf5b85913db05e9f0fbc1abdd3168928d9075" "/opt/rustwide/cargo-home/bin/cargo" "+fc4ba03ef77ca5018fb78a097d3b924d30f15bfc" "test" "--frozen" "--target" "i686-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] 89e00ecf847e3ac71c07b29d294de707b4be32bbb0f8bb4db19a5274d3ad6c56
[INFO] running `Command { std: "docker" "start" "-a" "89e00ecf847e3ac71c07b29d294de707b4be32bbb0f8bb4db19a5274d3ad6c56", kill_on_drop: false }`
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]   --> src/storage_info.rs:55:17
[INFO] [stderr]    |
[INFO] [stderr] 55 |     if devnr == unsafe { libc::makedev(maj, min) } {
[INFO] [stderr]    |                 ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_unsafe)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `rd-util` (lib) generated 1 warning
[INFO] [stderr] warning: `rd-util` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/i686-unknown-linux-musl/debug/deps/rd_util-117dc50206ec0c25)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test tests::test_format_duration ... ok
[INFO] [stdout] test tests::test_parse_duration ... ok
[INFO] [stdout] test tests::test_parse_size ... ok
[INFO] [stdout] test storage_info::tests::test ... ok
[INFO] [stdout] test journal_tailer::tests::test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 10.02s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "89e00ecf847e3ac71c07b29d294de707b4be32bbb0f8bb4db19a5274d3ad6c56", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "89e00ecf847e3ac71c07b29d294de707b4be32bbb0f8bb4db19a5274d3ad6c56", kill_on_drop: false }`
[INFO] [stdout] 89e00ecf847e3ac71c07b29d294de707b4be32bbb0f8bb4db19a5274d3ad6c56