[INFO] fetching crate cepler 0.7.22...
[INFO] checking cepler-0.7.22 against a621e2b446eafb53c7a8569f225e0b8cc2429a68 for pr-162600
[INFO] extracting crate cepler 0.7.22 into /workspace/builds/worker-1-tc2/source
[INFO] removed /workspace/builds/worker-1-tc2/source/rust-toolchain.toml
[INFO] started tweaking crates.io crate cepler 0.7.22
[INFO] finished tweaking crates.io crate cepler 0.7.22
[INFO] tweaked toml for crates.io crate cepler 0.7.22 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate cepler 0.7.22 on toolchain a621e2b446eafb53c7a8569f225e0b8cc2429a68
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a621e2b446eafb53c7a8569f225e0b8cc2429a68" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate cepler 0.7.22 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" "+a621e2b446eafb53c7a8569f225e0b8cc2429a68" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: explicit `package.readme` can be inferred
[INFO] [stderr]   --> Cargo.toml:50:1
[INFO] [stderr]    |
[INFO] [stderr] 50 | readme = "README.md"
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `cargo::manual_readme` is set to `warn` by default
[INFO] [stderr] help: consider removing `package.readme`
[INFO] [stderr] warning: `cepler` (manifest) generated 1 warning
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:8683fc1fc2eb5c9ac98e0d076ab094b2ffac7f99da555d2b6a2e27f346de2ec7" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 5a831391521f2a7c3444fa5e3d0cf27ab3c13fc9a2b26dce266879cda6d7e24a
[INFO] running `Command { std: "docker" "start" "5a831391521f2a7c3444fa5e3d0cf27ab3c13fc9a2b26dce266879cda6d7e24a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5a831391521f2a7c3444fa5e3d0cf27ab3c13fc9a2b26dce266879cda6d7e24a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "5a831391521f2a7c3444fa5e3d0cf27ab3c13fc9a2b26dce266879cda6d7e24a" "/opt/rustwide/cargo-home/bin/cargo" "+a621e2b446eafb53c7a8569f225e0b8cc2429a68" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5a831391521f2a7c3444fa5e3d0cf27ab3c13fc9a2b26dce266879cda6d7e24a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "5a831391521f2a7c3444fa5e3d0cf27ab3c13fc9a2b26dce266879cda6d7e24a" "/opt/rustwide/cargo-home/bin/cargo" "+a621e2b446eafb53c7a8569f225e0b8cc2429a68" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] warning: explicit `package.readme` can be inferred
[INFO] [stderr]   --> Cargo.toml:50:1
[INFO] [stderr]    |
[INFO] [stderr] 50 | readme = "README.md"
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `cargo::manual_readme` is set to `warn` by default
[INFO] [stderr] help: consider removing `package.readme`
[INFO] [stderr] warning: `cepler` (manifest) generated 1 warning
[INFO] [stderr]    Compiling libc v0.2.174
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]     Checking percent-encoding v2.3.1
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking memchr v2.7.5
[INFO] [stderr]     Checking glob v0.3.2
[INFO] [stderr]     Checking stringreader v0.1.1
[INFO] [stderr]     Checking form_urlencoded v1.2.1
[INFO] [stderr]    Compiling jobserver v0.1.33
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]    Compiling cc v1.2.27
[INFO] [stderr]    Compiling synstructure v0.13.2
[INFO] [stderr]    Compiling openssl-src v300.5.0+3.5.0
[INFO] [stderr]    Compiling zerovec-derive v0.11.1
[INFO] [stderr]    Compiling displaydoc v0.2.5
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling libz-sys v1.1.22
[INFO] [stderr]    Compiling openssl-sys v0.9.109
[INFO] [stderr]    Compiling libssh2-sys v0.3.1
[INFO] [stderr]    Compiling zerofrom-derive v0.1.6
[INFO] [stderr]    Compiling yoke-derive v0.8.0
[INFO] [stderr]    Compiling libgit2-sys v0.18.5+1.9.4
[INFO] [stderr]     Checking zerofrom v0.1.6
[INFO] [stderr]     Checking yoke v0.8.0
[INFO] [stderr]     Checking zerovec v0.11.2
[INFO] [stderr]     Checking zerotrie v0.2.2
[INFO] [stderr]     Checking tinystr v0.8.1
[INFO] [stderr]     Checking potential_utf v0.1.2
[INFO] [stderr]     Checking icu_collections v2.0.0
[INFO] [stderr]     Checking icu_locale_core v2.0.0
[INFO] [stderr]     Checking icu_provider v2.0.0
[INFO] [stderr]     Checking icu_properties v2.0.1
[INFO] [stderr]     Checking icu_normalizer v2.0.0
[INFO] [stderr]     Checking serde v1.0.219
[INFO] [stderr]     Checking idna_adapter v1.2.1
[INFO] [stderr]     Checking idna v1.0.3
[INFO] [stderr]     Checking url v2.5.4
[INFO] [stderr]     Checking serde_yaml v0.8.26
[INFO] [stderr]     Checking serde_json v1.0.140
[INFO] [stderr]     Checking git2 v0.20.4
[INFO] [stderr]     Checking cepler v0.7.22 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6m 00s
[INFO] running `Command { std: "docker" "inspect" "5a831391521f2a7c3444fa5e3d0cf27ab3c13fc9a2b26dce266879cda6d7e24a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5a831391521f2a7c3444fa5e3d0cf27ab3c13fc9a2b26dce266879cda6d7e24a", kill_on_drop: false }`
[INFO] [stdout] 5a831391521f2a7c3444fa5e3d0cf27ab3c13fc9a2b26dce266879cda6d7e24a
