[INFO] fetching crate b2 0.1.0...
[INFO] checking b2-0.1.0 against try#ccf408f4326a858c00dd845a64a86b16f360a801 for pr-129466-2
[INFO] extracting crate b2 0.1.0 into /workspace/builds/worker-6-tc2/source
[INFO] validating manifest of crates.io crate b2 0.1.0 on toolchain ccf408f4326a858c00dd845a64a86b16f360a801
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ccf408f4326a858c00dd845a64a86b16f360a801" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate b2 0.1.0
[INFO] finished tweaking crates.io crate b2 0.1.0
[INFO] tweaked toml for crates.io crate b2 0.1.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ccf408f4326a858c00dd845a64a86b16f360a801" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 52 packages to latest compatible versions
[INFO] [stderr]       Adding aho-corasick v0.5.3 (available: v1.1.3)
[INFO] [stderr]       Adding bitflags v0.7.0 (available: v2.6.0)
[INFO] [stderr]       Adding byteorder v0.5.3 (available: v1.5.0)
[INFO] [stderr]       Adding docopt v0.6.86 (available: v1.1.1)
[INFO] [stderr]       Adding flate2 v0.2.20 (available: v1.0.33)
[INFO] [stderr]       Adding gif v0.8.0 (available: v0.13.1)
[INFO] [stderr]       Adding glob v0.2.11 (available: v0.3.1)
[INFO] [stderr]       Adding image v0.9.1 (available: v0.25.2)
[INFO] [stderr]       Adding inflate v0.1.1 (available: v0.4.5)
[INFO] [stderr]       Adding jpeg-decoder v0.1.22 (available: v0.3.1)
[INFO] [stderr]       Adding lazy_static v0.2.11 (available: v1.5.0)
[INFO] [stderr]       Adding memchr v0.1.11 (available: v2.7.4)
[INFO] [stderr]       Adding num-bigint v0.1.44 (available: v0.4.6)
[INFO] [stderr]       Adding num-rational v0.1.42 (available: v0.4.2)
[INFO] [stderr]       Adding num-traits v0.1.43 (available: v0.2.19)
[INFO] [stderr]       Adding png v0.5.2 (available: v0.17.13)
[INFO] [stderr]       Adding rand v0.3.23 (available: v0.8.5)
[INFO] [stderr]       Adding rand v0.4.6 (available: v0.8.5)
[INFO] [stderr]       Adding rand_core v0.3.1 (available: v0.6.4)
[INFO] [stderr]       Adding rand_core v0.4.2 (available: v0.6.4)
[INFO] [stderr]       Adding rdrand v0.4.0 (available: v0.8.3)
[INFO] [stderr]       Adding regex v0.1.80 (available: v1.10.6)
[INFO] [stderr]       Adding regex-syntax v0.3.9 (available: v0.8.4)
[INFO] [stderr]       Adding strsim v0.5.2 (available: v0.11.1)
[INFO] [stderr]       Adding thread-id v2.0.0 (available: v4.2.2)
[INFO] [stderr]       Adding thread_local v0.2.7 (available: v1.1.8)
[INFO] [stderr]       Adding utf8-ranges v0.1.3 (available: v1.0.5)
[INFO] [stderr]       Adding winapi v0.2.8 (available: v0.3.9)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ccf408f4326a858c00dd845a64a86b16f360a801" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+ccf408f4326a858c00dd845a64a86b16f360a801" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5e34fd7c3847e7999d23ab4be4c569e8c927db058203173bd9274c4f7b561e6f
[INFO] running `Command { std: "docker" "start" "-a" "5e34fd7c3847e7999d23ab4be4c569e8c927db058203173bd9274c4f7b561e6f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5e34fd7c3847e7999d23ab4be4c569e8c927db058203173bd9274c4f7b561e6f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e34fd7c3847e7999d23ab4be4c569e8c927db058203173bd9274c4f7b561e6f", kill_on_drop: false }`
[INFO] [stdout] 5e34fd7c3847e7999d23ab4be4c569e8c927db058203173bd9274c4f7b561e6f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+ccf408f4326a858c00dd845a64a86b16f360a801" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6e2104450931ce2377c2b5e0e00d6a930eceec1cc5c23fc9c2c4b39e6412794c
[INFO] running `Command { std: "docker" "start" "-a" "6e2104450931ce2377c2b5e0e00d6a930eceec1cc5c23fc9c2c4b39e6412794c", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] no edition found in manifest, probably 2015, skipping
[INFO] running `Command { std: "docker" "inspect" "6e2104450931ce2377c2b5e0e00d6a930eceec1cc5c23fc9c2c4b39e6412794c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e2104450931ce2377c2b5e0e00d6a930eceec1cc5c23fc9c2c4b39e6412794c", kill_on_drop: false }`
[INFO] [stdout] 6e2104450931ce2377c2b5e0e00d6a930eceec1cc5c23fc9c2c4b39e6412794c