[INFO] cloning repository https://github.com/atkinchris/cpu-stats-logger
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/atkinchris/cpu-stats-logger" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fatkinchris%2Fcpu-stats-logger", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fatkinchris%2Fcpu-stats-logger'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a129c9fc55fcb9bd1b412af0a3c15c2215946a5d
[INFO] testing atkinchris/cpu-stats-logger against 1.59.0 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fatkinchris%2Fcpu-stats-logger" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/atkinchris/cpu-stats-logger on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/atkinchris/cpu-stats-logger
[INFO] finished tweaking git repo https://github.com/atkinchris/cpu-stats-logger
[INFO] tweaked toml for git repo https://github.com/atkinchris/cpu-stats-logger written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/atkinchris/cpu-stats-logger already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "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 structopt-derive v0.4.5
[INFO] [stderr]   Downloaded whoami v0.8.1
[INFO] [stderr]   Downloaded structopt v0.3.12
[INFO] [stderr]   Downloaded ntapi v0.3.3
[INFO] [stderr]   Downloaded sysinfo v0.12.0
[INFO] [stderr]   Downloaded tokio v0.2.16
[INFO] [stderr]   Downloaded hyper v0.13.4
[INFO] [stderr]   Downloaded sha2 v0.8.1
[INFO] [stderr]   Downloaded stderrlog v0.4.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1afe14bd35adbf31942e2e59ba1c3f8c4655e6ec33ad205d65e2937941521fda
[INFO] running `Command { std: "docker" "start" "-a" "1afe14bd35adbf31942e2e59ba1c3f8c4655e6ec33ad205d65e2937941521fda", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1afe14bd35adbf31942e2e59ba1c3f8c4655e6ec33ad205d65e2937941521fda", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1afe14bd35adbf31942e2e59ba1c3f8c4655e6ec33ad205d65e2937941521fda", kill_on_drop: false }`
[INFO] [stdout] 1afe14bd35adbf31942e2e59ba1c3f8c4655e6ec33ad205d65e2937941521fda
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 83e8c39db0f43488c8acddb19a456a5ecb894e62fbb90a5e7a1d15f10e2d7ee0
[INFO] running `Command { std: "docker" "start" "-a" "83e8c39db0f43488c8acddb19a456a5ecb894e62fbb90a5e7a1d15f10e2d7ee0", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.68
[INFO] [stderr]    Compiling proc-macro2 v1.0.10
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling futures-core v0.3.4
[INFO] [stderr]    Compiling itoa v0.4.5
[INFO] [stderr]    Compiling typenum v1.11.2
[INFO] [stderr]    Compiling openssl v0.10.29
[INFO] [stderr]    Compiling futures-io v0.3.4
[INFO] [stderr]    Compiling futures-sink v0.3.4
[INFO] [stderr]    Compiling smallvec v1.3.0
[INFO] [stderr]    Compiling native-tls v0.2.4
[INFO] [stderr]    Compiling serde v1.0.106
[INFO] [stderr]    Compiling futures-task v0.3.4
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling rayon-core v1.7.0
[INFO] [stderr]    Compiling ryu v1.0.3
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling unicode-segmentation v1.6.0
[INFO] [stderr]    Compiling byte-tools v0.3.1
[INFO] [stderr]    Compiling either v1.5.3
[INFO] [stderr]    Compiling dtoa v0.4.5
[INFO] [stderr]    Compiling lazy_static v0.2.11
[INFO] [stderr]    Compiling sysinfo v0.12.0
[INFO] [stderr]    Compiling opaque-debug v0.2.3
[INFO] [stderr]    Compiling fake-simd v0.1.2
[INFO] [stderr]    Compiling once_cell v1.3.1
[INFO] [stderr]    Compiling termcolor v1.1.0
[INFO] [stderr]    Compiling dotenv v0.15.0
[INFO] [stderr]    Compiling whoami v0.8.1
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling memoffset v0.5.4
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[INFO] [stderr]    Compiling openssl-sys v0.9.55
[INFO] [stderr]    Compiling proc-macro-error-attr v0.4.12
[INFO] [stderr]    Compiling proc-macro-error v0.4.12
[INFO] [stderr]    Compiling mime_guess v2.0.3
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[INFO] [stderr]    Compiling futures-channel v0.3.4
[INFO] [stderr]    Compiling unicode-normalization v0.1.12
[INFO] [stderr]    Compiling unreachable v1.0.0
[INFO] [stderr]    Compiling block-padding v0.1.5
[INFO] [stderr]    Compiling thread_local v0.3.4
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]    Compiling want v0.3.0
[INFO] [stderr]    Compiling idna v0.2.0
[INFO] [stderr]    Compiling futures-util v0.3.4
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]    Compiling url v2.1.1
[INFO] [stderr]    Compiling generic-array v0.12.3
[INFO] [stderr]    Compiling http-body v0.3.1
[INFO] [stderr]    Compiling num_cpus v1.12.0
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling net2 v0.2.33
[INFO] [stderr]    Compiling time v0.1.42
[INFO] [stderr]    Compiling atty v0.2.11
[INFO] [stderr]    Compiling dirs-sys v0.3.4
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling dirs v2.0.2
[INFO] [stderr]    Compiling digest v0.8.1
[INFO] [stderr]    Compiling block-buffer v0.7.3
[INFO] [stderr]    Compiling sha2 v0.8.1
[INFO] [stderr]    Compiling crossbeam-queue v0.2.1
[INFO] [stderr]    Compiling mio v0.6.21
[INFO] [stderr]    Compiling chrono v0.4.11
[INFO] [stderr]    Compiling crossbeam-deque v0.7.3
[INFO] [stderr]    Compiling tokio v0.2.16
[INFO] [stderr]    Compiling rayon v1.3.0
[INFO] [stderr]    Compiling stderrlog v0.4.3
[INFO] [stderr]    Compiling tokio-util v0.3.1
[INFO] [stderr]    Compiling tokio-tls v0.3.0
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]    Compiling h2 v0.2.4
[INFO] [stderr]    Compiling pin-project-internal v0.4.8
[INFO] [stderr]    Compiling serde_derive v1.0.106
[INFO] [stderr]    Compiling structopt-derive v0.4.5
[INFO] [stderr]    Compiling pin-project v0.4.8
[INFO] [stderr]    Compiling hyper v0.13.4
[INFO] [stderr]    Compiling hyper-tls v0.4.1
[INFO] [stderr]    Compiling structopt v0.3.12
[INFO] [stderr]    Compiling serde_json v1.0.51
[INFO] [stderr]    Compiling serde_urlencoded v0.6.1
[INFO] [stderr]    Compiling reqwest v0.10.4
[INFO] [stderr]    Compiling statslogger v0.9.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> src/stats.rs:80:5
[INFO] [stdout]    |
[INFO] [stdout] 80 |     &sys.refresh_all();
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 80 |     let _ = &sys.refresh_all();
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> src/stats.rs:80:5
[INFO] [stdout]    |
[INFO] [stdout] 80 |     &sys.refresh_all();
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 80 |     let _ = &sys.refresh_all();
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 40.21s
[INFO] running `Command { std: "docker" "inspect" "83e8c39db0f43488c8acddb19a456a5ecb894e62fbb90a5e7a1d15f10e2d7ee0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "83e8c39db0f43488c8acddb19a456a5ecb894e62fbb90a5e7a1d15f10e2d7ee0", kill_on_drop: false }`
[INFO] [stdout] 83e8c39db0f43488c8acddb19a456a5ecb894e62fbb90a5e7a1d15f10e2d7ee0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 74089fc7a2090a18e4611055b54cc6d9643ca8b40390704bd16a009f5a17d116
[INFO] running `Command { std: "docker" "start" "-a" "74089fc7a2090a18e4611055b54cc6d9643ca8b40390704bd16a009f5a17d116", kill_on_drop: false }`
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> src/stats.rs:80:5
[INFO] [stdout]    |
[INFO] [stdout] 80 |     &sys.refresh_all();
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 80 |     let _ = &sys.refresh_all();
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling statslogger v0.9.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> src/stats.rs:80:5
[INFO] [stdout]    |
[INFO] [stdout] 80 |     &sys.refresh_all();
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 80 |     let _ = &sys.refresh_all();
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> src/stats.rs:80:5
[INFO] [stdout]    |
[INFO] [stdout] 80 |     &sys.refresh_all();
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 80 |     let _ = &sys.refresh_all();
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.94s
[INFO] running `Command { std: "docker" "inspect" "74089fc7a2090a18e4611055b54cc6d9643ca8b40390704bd16a009f5a17d116", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "74089fc7a2090a18e4611055b54cc6d9643ca8b40390704bd16a009f5a17d116", kill_on_drop: false }`
[INFO] [stdout] 74089fc7a2090a18e4611055b54cc6d9643ca8b40390704bd16a009f5a17d116
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e4b58824ae3fac5900971874b5c138c72f17fe00cc30c754c72027926e45f29c
[INFO] running `Command { std: "docker" "start" "-a" "e4b58824ae3fac5900971874b5c138c72f17fe00cc30c754c72027926e45f29c", kill_on_drop: false }`
[INFO] [stderr] warning: unused borrow that must be used
[INFO] [stderr]   --> src/stats.rs:80:5
[INFO] [stderr]    |
[INFO] [stderr] 80 |     &sys.refresh_all();
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 80 |     let _ = &sys.refresh_all();
[INFO] [stderr]    |     +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: `statslogger` (lib) generated 1 warning
[INFO] [stderr] warning: `statslogger` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr] warning: `statslogger` (bin "statslogger" test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/statslogger-7d197625e3bc3c6c)
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/statslogger-1c2555435697cdb1)
[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] [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] [stderr]    Doc-tests statslogger
[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" "e4b58824ae3fac5900971874b5c138c72f17fe00cc30c754c72027926e45f29c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e4b58824ae3fac5900971874b5c138c72f17fe00cc30c754c72027926e45f29c", kill_on_drop: false }`
[INFO] [stdout] e4b58824ae3fac5900971874b5c138c72f17fe00cc30c754c72027926e45f29c