[INFO] fetching crate c_string 0.7.2...
[INFO] checking c_string-0.7.2 against try#8de4b308b608cded0ebccf658a0fc719bce87d4e for pr-89056
[INFO] extracting crate c_string 0.7.2 into /workspace/builds/worker-105/source
[INFO] validating manifest of crates.io crate c_string 0.7.2 on toolchain 8de4b308b608cded0ebccf658a0fc719bce87d4e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate c_string 0.7.2
[INFO] finished tweaking crates.io crate c_string 0.7.2
[INFO] tweaked toml for crates.io crate c_string 0.7.2 written to /workspace/builds/worker-105/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-105/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-105/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9d1b15a583cd0455068d5b7c928583e162dc9670e3ec7b39b73d8090aa29f91a
[INFO] running `Command { std: "docker" "start" "-a" "9d1b15a583cd0455068d5b7c928583e162dc9670e3ec7b39b73d8090aa29f91a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9d1b15a583cd0455068d5b7c928583e162dc9670e3ec7b39b73d8090aa29f91a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9d1b15a583cd0455068d5b7c928583e162dc9670e3ec7b39b73d8090aa29f91a", kill_on_drop: false }`
[INFO] [stdout] 9d1b15a583cd0455068d5b7c928583e162dc9670e3ec7b39b73d8090aa29f91a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-105/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-105/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d4c67d33bcde09e5949ba0207dc1963cea8b64cac40293bc5a196c18e80dcd4e
[INFO] running `Command { std: "docker" "start" "-a" "d4c67d33bcde09e5949ba0207dc1963cea8b64cac40293bc5a196c18e80dcd4e", kill_on_drop: false }`
[INFO] [stderr]     Checking c_string v0.7.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.48s
[INFO] running `Command { std: "docker" "inspect" "d4c67d33bcde09e5949ba0207dc1963cea8b64cac40293bc5a196c18e80dcd4e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d4c67d33bcde09e5949ba0207dc1963cea8b64cac40293bc5a196c18e80dcd4e", kill_on_drop: false }`
[INFO] [stdout] d4c67d33bcde09e5949ba0207dc1963cea8b64cac40293bc5a196c18e80dcd4e