[INFO] fetching crate cargo-tarpaulin 0.25.2...
[INFO] checking cargo-tarpaulin-0.25.2 against master#e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682 for beta-170-4
[INFO] extracting crate cargo-tarpaulin 0.25.2 into /workspace/builds/worker-1-tc2/source
[INFO] validating manifest of crates.io crate cargo-tarpaulin 0.25.2 on toolchain e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cargo-tarpaulin 0.25.2
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate cargo-tarpaulin 0.25.2
[INFO] tweaked toml for crates.io crate cargo-tarpaulin 0.25.2 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate crates.io crate cargo-tarpaulin 0.25.2 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" "+e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2fec492a8207d3a86c94aeb1035ac6c6c81f544e0ca8c4a286921b0f41da3245
[INFO] running `Command { std: "docker" "start" "-a" "2fec492a8207d3a86c94aeb1035ac6c6c81f544e0ca8c4a286921b0f41da3245", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2fec492a8207d3a86c94aeb1035ac6c6c81f544e0ca8c4a286921b0f41da3245", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2fec492a8207d3a86c94aeb1035ac6c6c81f544e0ca8c4a286921b0f41da3245", kill_on_drop: false }`
[INFO] [stdout] 2fec492a8207d3a86c94aeb1035ac6c6c81f544e0ca8c4a286921b0f41da3245
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1513667c4c9b6cdfcee099ecc44bebff0ae687912595e6fcfdd63d001ec25beb
[INFO] running `Command { std: "docker" "start" "-a" "1513667c4c9b6cdfcee099ecc44bebff0ae687912595e6fcfdd63d001ec25beb", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.137
[INFO] [stderr]    Compiling proc-macro2 v1.0.56
[INFO] [stderr]    Compiling quote v1.0.26
[INFO] [stderr]    Compiling unicode-ident v1.0.3
[INFO] [stderr]    Compiling serde_derive v1.0.159
[INFO] [stderr]    Compiling pkg-config v0.3.25
[INFO] [stderr]    Compiling serde v1.0.159
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling crc32fast v1.3.2
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[INFO] [stderr]     Checking once_cell v1.13.1
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[INFO] [stderr]     Checking tracing-core v0.1.30
[INFO] [stderr]     Checking tinyvec v1.6.0
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[INFO] [stderr]     Checking flate2 v1.0.24
[INFO] [stderr]    Compiling serde_json v1.0.95
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[INFO] [stderr]    Compiling thiserror-impl v1.0.32
[INFO] [stderr]    Compiling tracing-attributes v0.1.23
[INFO] [stderr]     Checking thiserror v1.0.32
[INFO] [stderr]     Checking lcov v0.8.1
[INFO] [stderr]     Checking tracing v0.1.37
[INFO] [stderr]     Checking tracing-subscriber v0.2.25
[INFO] [stderr]     Checking cargo-platform v0.1.2
[INFO] [stderr]     Checking toml v0.5.11
[INFO] [stderr]     Checking humantime-serde v1.1.1
[INFO] [stderr]     Checking gimli v0.27.2
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]     Checking cargo_metadata v0.15.3
[INFO] [stderr]     Checking coveralls-api v0.5.0
[INFO] [stderr]    Compiling cargo-tarpaulin v0.25.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking git2 v0.17.0
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/config/mod.rs:568:17
[INFO] [stdout]     |
[INFO] [stdout] 568 |             for mut c in cfs.iter_mut() {
[INFO] [stdout]     |                 ----^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/config/mod.rs:592:20
[INFO] [stdout]     |
[INFO] [stdout] 592 |         for (name, mut conf) in map.iter_mut() {
[INFO] [stdout]     |                    ----^^^^
[INFO] [stdout]     |                    |
[INFO] [stdout]     |                    help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/config/mod.rs:568:17
[INFO] [stdout]     |
[INFO] [stdout] 568 |             for mut c in cfs.iter_mut() {
[INFO] [stdout]     |                 ----^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/config/mod.rs:592:20
[INFO] [stdout]     |
[INFO] [stdout] 592 |         for (name, mut conf) in map.iter_mut() {
[INFO] [stdout]     |                    ----^^^^
[INFO] [stdout]     |                    |
[INFO] [stdout]     |                    help: remove this `mut`
[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 19.10s
[INFO] running `Command { std: "docker" "inspect" "1513667c4c9b6cdfcee099ecc44bebff0ae687912595e6fcfdd63d001ec25beb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1513667c4c9b6cdfcee099ecc44bebff0ae687912595e6fcfdd63d001ec25beb", kill_on_drop: false }`
[INFO] [stdout] 1513667c4c9b6cdfcee099ecc44bebff0ae687912595e6fcfdd63d001ec25beb
