[INFO] fetching crate metric_daemon 0.2.0...
[INFO] checking metric_daemon-0.2.0 against master#642c19bfc3a5c1de985bf5d0cc8207ac9d22708a for pr-148577
[INFO] extracting crate metric_daemon 0.2.0 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate metric_daemon 0.2.0
[INFO] finished tweaking crates.io crate metric_daemon 0.2.0
[INFO] tweaked toml for crates.io crate metric_daemon 0.2.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate metric_daemon 0.2.0 on toolchain 642c19bfc3a5c1de985bf5d0cc8207ac9d22708a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate metric_daemon 0.2.0 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" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tracing-serde v0.1.2
[INFO] [stderr]   Downloaded webpki v0.21.4
[INFO] [stderr]   Downloaded match_cfg v0.1.0
[INFO] [stderr]   Downloaded output_vt100 v0.1.2
[INFO] [stderr]   Downloaded retry v1.2.1
[INFO] [stderr]   Downloaded indenter v0.3.3
[INFO] [stderr]   Downloaded matchers v0.0.1
[INFO] [stderr]   Downloaded rand_chacha v0.2.2
[INFO] [stderr]   Downloaded jobserver v0.1.22
[INFO] [stderr]   Downloaded ctor v0.1.20
[INFO] [stderr]   Downloaded rand_core v0.5.1
[INFO] [stderr]   Downloaded rustc-demangle v0.1.19
[INFO] [stderr]   Downloaded anyhow v1.0.40
[INFO] [stderr]   Downloaded miniz_oxide v0.4.4
[INFO] [stderr]   Downloaded heck v0.3.2
[INFO] [stderr]   Downloaded backtrace v0.3.58
[INFO] [stderr]   Downloaded tracing-subscriber v0.2.18
[INFO] [stderr]   Downloaded rand v0.7.3
[INFO] [stderr]   Downloaded regex-automata v0.1.9
[INFO] [stderr]   Downloaded chrono v0.4.19
[INFO] [stderr]   Downloaded color-spantrace v0.1.6
[INFO] [stderr]   Downloaded object v0.23.0
[INFO] [stderr]   Downloaded syn v1.0.72
[INFO] [stderr]   Downloaded rustls v0.19.1
[INFO] [stderr]   Downloaded webpki-roots v0.21.1
[INFO] [stderr]   Downloaded git2 v0.13.18
[INFO] [stderr]   Downloaded regex v1.5.3
[INFO] [stderr]   Downloaded unicode-segmentation v1.7.1
[INFO] [stderr]   Downloaded pretty_assertions v0.7.2
[INFO] [stderr]   Downloaded num-traits v0.2.14
[INFO] [stderr]   Downloaded tracing v0.1.26
[INFO] [stderr]   Downloaded ureq v2.1.1
[INFO] [stderr]   Downloaded structopt v0.3.21
[INFO] [stderr]   Downloaded sharded-slab v0.1.1
[INFO] [stderr]   Downloaded tracing-core v0.1.18
[INFO] [stderr]   Downloaded shadow-rs v0.5.25
[INFO] [stderr]   Downloaded smallvec v1.6.1
[INFO] [stderr]   Downloaded addr2line v0.14.1
[INFO] [stderr]   Downloaded eyre v0.6.5
[INFO] [stderr]   Downloaded owo-colors v1.3.0
[INFO] [stderr]   Downloaded getrandom v0.1.16
[INFO] [stderr]   Downloaded thiserror-impl v1.0.24
[INFO] [stderr]   Downloaded num-integer v0.1.44
[INFO] [stderr]   Downloaded thread_local v1.1.3
[INFO] [stderr]   Downloaded tracing-attributes v0.1.15
[INFO] [stderr]   Downloaded gimli v0.23.0
[INFO] [stderr]   Downloaded color-eyre v0.5.11
[INFO] [stderr]   Downloaded tracing-log v0.1.2
[INFO] [stderr]   Downloaded sct v0.6.1
[INFO] [stderr]   Downloaded tracing-error v0.1.2
[INFO] [stderr]   Downloaded hostname v0.3.1
[INFO] [stderr]   Downloaded diff v0.1.12
[INFO] [stderr]   Downloaded wasi v0.9.0+wasi-snapshot-preview1
[INFO] [stderr]   Downloaded version_check v0.9.3
[INFO] [stderr]   Downloaded thiserror v1.0.24
[INFO] [stderr]   Downloaded rand_hc v0.2.0
[INFO] [stderr]   Downloaded structopt-derive v0.4.14
[INFO] [stderr]   Downloaded libz-sys v1.1.3
[INFO] [stderr]   Downloaded libgit2-sys v0.12.19+1.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] aa4e5c85fb179e0fb832bade0ff0868b1b640d1b43ed1bde03316cf28064d67b
[INFO] running `Command { std: "docker" "start" "-a" "aa4e5c85fb179e0fb832bade0ff0868b1b640d1b43ed1bde03316cf28064d67b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "aa4e5c85fb179e0fb832bade0ff0868b1b640d1b43ed1bde03316cf28064d67b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa4e5c85fb179e0fb832bade0ff0868b1b640d1b43ed1bde03316cf28064d67b", kill_on_drop: false }`
[INFO] [stdout] aa4e5c85fb179e0fb832bade0ff0868b1b640d1b43ed1bde03316cf28064d67b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a518cfc84282bcacfcee97f6a8e66bc383f941ec9799652e992a25320bc88cc4
[INFO] running `Command { std: "docker" "start" "-a" "a518cfc84282bcacfcee97f6a8e66bc383f941ec9799652e992a25320bc88cc4", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.94
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]     Checking once_cell v1.7.2
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling serde v1.0.125
[INFO] [stderr]    Compiling tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling matches v0.1.8
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling tinyvec v1.2.0
[INFO] [stderr]     Checking tracing-core v0.1.18
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]    Compiling jobserver v0.1.22
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]    Compiling cc v1.0.67
[INFO] [stderr]    Compiling unicode-normalization v0.1.17
[INFO] [stderr]    Compiling unicode-bidi v0.3.5
[INFO] [stderr]    Compiling percent-encoding v2.1.0
[INFO] [stderr]     Checking spin v0.5.2
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking untrusted v0.7.1
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]    Compiling form_urlencoded v1.0.1
[INFO] [stderr]    Compiling idna v0.2.3
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling libz-sys v1.1.3
[INFO] [stderr]    Compiling libgit2-sys v0.12.19+1.1.0
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]     Checking pin-project-lite v0.2.6
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]     Checking regex v1.5.3
[INFO] [stderr]    Compiling url v2.2.1
[INFO] [stderr]     Checking tracing-log v0.1.2
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking matchers v0.0.1
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]     Checking sharded-slab v0.1.1
[INFO] [stderr]     Checking thread_local v1.1.3
[INFO] [stderr]     Checking smallvec v1.6.1
[INFO] [stderr]     Checking tracing-serde v0.1.2
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]    Compiling backtrace v0.3.58
[INFO] [stderr]    Compiling eyre v0.6.5
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking gimli v0.23.0
[INFO] [stderr]    Compiling unicode-segmentation v1.7.1
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling heck v0.3.2
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]    Compiling anyhow v1.0.40
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking owo-colors v1.3.0
[INFO] [stderr]     Checking object v0.23.0
[INFO] [stderr]     Checking webpki v0.21.4
[INFO] [stderr]     Checking sct v0.6.1
[INFO] [stderr]     Checking base64 v0.13.0
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking indenter v0.3.3
[INFO] [stderr]     Checking rustc-demangle v0.1.19
[INFO] [stderr]     Checking rustls v0.19.1
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking webpki-roots v0.21.1
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking chunked_transfer v1.4.0
[INFO] [stderr]     Checking diff v0.1.12
[INFO] [stderr]     Checking match_cfg v0.1.0
[INFO] [stderr]     Checking pretty_assertions v0.7.2
[INFO] [stderr]     Checking hostname v0.3.1
[INFO] [stderr]     Checking retry v1.2.1
[INFO] [stderr]    Compiling tracing-attributes v0.1.15
[INFO] [stderr]    Compiling structopt-derive v0.4.14
[INFO] [stderr]    Compiling thiserror-impl v1.0.24
[INFO] [stderr]     Checking addr2line v0.14.1
[INFO] [stderr]     Checking ureq v2.1.1
[INFO] [stderr]     Checking tracing v0.1.26
[INFO] [stderr]     Checking thiserror v1.0.24
[INFO] [stderr]     Checking tracing-subscriber v0.2.18
[INFO] [stderr]     Checking structopt v0.3.21
[INFO] [stderr]     Checking tracing-error v0.1.2
[INFO] [stderr]     Checking color-spantrace v0.1.6
[INFO] [stderr]     Checking color-eyre v0.5.11
[INFO] [stderr]    Compiling git2 v0.13.18
[INFO] [stderr]     Checking shadow-rs v0.5.25
[INFO] [stderr]    Compiling metric_daemon v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `assert_eq` and `assert_ne`
[INFO] [stdout]  --> src/main.rs:6:25
[INFO] [stdout]   |
[INFO] [stdout] 6 | use pretty_assertions::{assert_eq, assert_ne};
[INFO] [stdout]   |                         ^^^^^^^^^  ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `assert_eq` and `assert_ne`
[INFO] [stdout]  --> src/main.rs:6:25
[INFO] [stdout]   |
[INFO] [stdout] 6 | use pretty_assertions::{assert_eq, assert_ne};
[INFO] [stdout]   |                         ^^^^^^^^^  ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 11s
[INFO] running `Command { std: "docker" "inspect" "a518cfc84282bcacfcee97f6a8e66bc383f941ec9799652e992a25320bc88cc4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a518cfc84282bcacfcee97f6a8e66bc383f941ec9799652e992a25320bc88cc4", kill_on_drop: false }`
[INFO] [stdout] a518cfc84282bcacfcee97f6a8e66bc383f941ec9799652e992a25320bc88cc4