[INFO] fetching crate sback 0.3.0...
[INFO] checking sback-0.3.0 against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604
[INFO] extracting crate sback 0.3.0 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate sback 0.3.0 on toolchain ab869e094a907cc5d19b4080f22eccaf347f1f95
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "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-4-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" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5ed85ebd65490d10165800ff8b6e7a3554f3feb6a91bdaddc15d2c87d33c270a
[INFO] running `Command { std: "docker" "start" "-a" "5ed85ebd65490d10165800ff8b6e7a3554f3feb6a91bdaddc15d2c87d33c270a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5ed85ebd65490d10165800ff8b6e7a3554f3feb6a91bdaddc15d2c87d33c270a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5ed85ebd65490d10165800ff8b6e7a3554f3feb6a91bdaddc15d2c87d33c270a", kill_on_drop: false }`
[INFO] [stdout] 5ed85ebd65490d10165800ff8b6e7a3554f3feb6a91bdaddc15d2c87d33c270a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 838ca446c86e716a2ecff1db85bdc58d64d5078afb6969f03255267ff19b20d6
[INFO] running `Command { std: "docker" "start" "-a" "838ca446c86e716a2ecff1db85bdc58d64d5078afb6969f03255267ff19b20d6", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]     Checking os_str_bytes v6.4.1
[INFO] [stderr]     Checking hashbrown v0.12.3
[INFO] [stderr]     Checking strsim v0.10.0
[INFO] [stderr]    Compiling indexmap v1.9.2
[INFO] [stderr]     Checking miniz_oxide v0.6.2
[INFO] [stderr]     Checking textwrap v0.16.0
[INFO] [stderr]     Checking termcolor v1.1.3
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking clap_lex v0.2.4
[INFO] [stderr]     Checking flate2 v1.0.25
[INFO] [stderr]     Checking dirs-sys v0.3.7
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking xattr v0.2.3
[INFO] [stderr]     Checking filetime v0.2.19
[INFO] [stderr]     Checking dirs v4.0.0
[INFO] [stderr]     Checking tar v0.4.38
[INFO] [stderr]     Checking clap v3.2.23
[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 6.78s
[INFO] running `Command { std: "docker" "inspect" "838ca446c86e716a2ecff1db85bdc58d64d5078afb6969f03255267ff19b20d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "838ca446c86e716a2ecff1db85bdc58d64d5078afb6969f03255267ff19b20d6", kill_on_drop: false }`
[INFO] [stdout] 838ca446c86e716a2ecff1db85bdc58d64d5078afb6969f03255267ff19b20d6