[INFO] fetching crate sback 0.3.0...
[INFO] checking sback-0.3.0 against master#f2d69d5a7c04617d122facd0a7a5bdde0af928ae for pr-138363
[INFO] extracting crate sback 0.3.0 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate sback 0.3.0 on toolchain f2d69d5a7c04617d122facd0a7a5bdde0af928ae
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f2d69d5a7c04617d122facd0a7a5bdde0af928ae" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate sback 0.3.0
[INFO] finished tweaking crates.io crate sback 0.3.0
[INFO] tweaked toml for crates.io crate sback 0.3.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate crates.io crate sback 0.3.0 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" "+f2d69d5a7c04617d122facd0a7a5bdde0af928ae" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+f2d69d5a7c04617d122facd0a7a5bdde0af928ae" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c26f0f2d2729f3ef9b3746fcf0d698f789915e9183f2dfbcd58848fe32d2085a
[INFO] running `Command { std: "docker" "start" "-a" "c26f0f2d2729f3ef9b3746fcf0d698f789915e9183f2dfbcd58848fe32d2085a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c26f0f2d2729f3ef9b3746fcf0d698f789915e9183f2dfbcd58848fe32d2085a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c26f0f2d2729f3ef9b3746fcf0d698f789915e9183f2dfbcd58848fe32d2085a", kill_on_drop: false }`
[INFO] [stdout] c26f0f2d2729f3ef9b3746fcf0d698f789915e9183f2dfbcd58848fe32d2085a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+f2d69d5a7c04617d122facd0a7a5bdde0af928ae" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f8545df5a7f9d1e3bd46f5055540cb7af6a7cd65745bcee80e77f59b98c57229
[INFO] running `Command { std: "docker" "start" "-a" "f8545df5a7f9d1e3bd46f5055540cb7af6a7cd65745bcee80e77f59b98c57229", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]     Checking hashbrown v0.12.3
[INFO] [stderr]     Checking os_str_bytes v6.4.1
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]     Checking textwrap v0.16.0
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking termcolor v1.1.3
[INFO] [stderr]     Checking miniz_oxide v0.6.2
[INFO] [stderr]     Checking strsim v0.10.0
[INFO] [stderr]     Checking clap_lex v0.2.4
[INFO] [stderr]    Compiling indexmap v1.9.2
[INFO] [stderr]     Checking flate2 v1.0.25
[INFO] [stderr]     Checking dirs-sys v0.3.7
[INFO] [stderr]     Checking xattr v0.2.3
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking filetime v0.2.19
[INFO] [stderr]     Checking dirs v4.0.0
[INFO] [stderr]     Checking clap v3.2.23
[INFO] [stderr]     Checking tar v0.4.38
[INFO] [stderr]     Checking xdg v2.4.1
[INFO] [stderr]     Checking sback v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.24s
[INFO] running `Command { std: "docker" "inspect" "f8545df5a7f9d1e3bd46f5055540cb7af6a7cd65745bcee80e77f59b98c57229", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f8545df5a7f9d1e3bd46f5055540cb7af6a7cd65745bcee80e77f59b98c57229", kill_on_drop: false }`
[INFO] [stdout] f8545df5a7f9d1e3bd46f5055540cb7af6a7cd65745bcee80e77f59b98c57229