[INFO] fetching crate milter-callback 0.2.4...
[INFO] checking milter-callback-0.2.4 against master#22572d0994593197593e2a1b7b18d720a9a349a7 for pr-126452-1
[INFO] extracting crate milter-callback 0.2.4 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate milter-callback 0.2.4 on toolchain 22572d0994593197593e2a1b7b18d720a9a349a7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate milter-callback 0.2.4
[INFO] finished tweaking crates.io crate milter-callback 0.2.4
[INFO] tweaked toml for crates.io crate milter-callback 0.2.4 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 6 packages to latest compatible versions
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.77)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6a7bab8227b8ad938ea7fd64c74fdb4b3c14a409283206ee92fcfff401eb6776
[INFO] running `Command { std: "docker" "start" "-a" "6a7bab8227b8ad938ea7fd64c74fdb4b3c14a409283206ee92fcfff401eb6776", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6a7bab8227b8ad938ea7fd64c74fdb4b3c14a409283206ee92fcfff401eb6776", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a7bab8227b8ad938ea7fd64c74fdb4b3c14a409283206ee92fcfff401eb6776", kill_on_drop: false }`
[INFO] [stdout] 6a7bab8227b8ad938ea7fd64c74fdb4b3c14a409283206ee92fcfff401eb6776
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+22572d0994593197593e2a1b7b18d720a9a349a7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e862dc0c99696012239b3512367dc7e82fd019a429953527f19d50a319f1fabd
[INFO] running `Command { std: "docker" "start" "-a" "e862dc0c99696012239b3512367dc7e82fd019a429953527f19d50a319f1fabd", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.158
[INFO] [stderr]     Checking syn v1.0.109
[INFO] [stderr]     Checking milter-callback v0.2.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.58s
[INFO] running `Command { std: "docker" "inspect" "e862dc0c99696012239b3512367dc7e82fd019a429953527f19d50a319f1fabd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e862dc0c99696012239b3512367dc7e82fd019a429953527f19d50a319f1fabd", kill_on_drop: false }`
[INFO] [stdout] e862dc0c99696012239b3512367dc7e82fd019a429953527f19d50a319f1fabd
[INFO] checking milter-callback-0.2.4 against try#6289438dbad80b1a0029c66dd3f6abf57c2c51be for pr-126452-1
[INFO] extracting crate milter-callback 0.2.4 into /workspace/builds/worker-2-tc2/source
[INFO] validating manifest of crates.io crate milter-callback 0.2.4 on toolchain 6289438dbad80b1a0029c66dd3f6abf57c2c51be
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate milter-callback 0.2.4
[INFO] finished tweaking crates.io crate milter-callback 0.2.4
[INFO] tweaked toml for crates.io crate milter-callback 0.2.4 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 6 packages to latest compatible versions
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.77)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 301c7f91ab3d9c1abd92dcd24ed7d8fb6f8123a9b6bb5e67b84e1a2fdc413571
[INFO] running `Command { std: "docker" "start" "-a" "301c7f91ab3d9c1abd92dcd24ed7d8fb6f8123a9b6bb5e67b84e1a2fdc413571", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "301c7f91ab3d9c1abd92dcd24ed7d8fb6f8123a9b6bb5e67b84e1a2fdc413571", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "301c7f91ab3d9c1abd92dcd24ed7d8fb6f8123a9b6bb5e67b84e1a2fdc413571", kill_on_drop: false }`
[INFO] [stdout] 301c7f91ab3d9c1abd92dcd24ed7d8fb6f8123a9b6bb5e67b84e1a2fdc413571
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6342fb867f9c6b1aaa6d71f9efa63b517e3e8061195172c9dd4d868232844e6a
[INFO] running `Command { std: "docker" "start" "-a" "6342fb867f9c6b1aaa6d71f9efa63b517e3e8061195172c9dd4d868232844e6a", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.158
[INFO] [stderr]     Checking syn v1.0.109
[INFO] [stderr]     Checking milter-callback v0.2.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.57s
[INFO] running `Command { std: "docker" "inspect" "6342fb867f9c6b1aaa6d71f9efa63b517e3e8061195172c9dd4d868232844e6a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6342fb867f9c6b1aaa6d71f9efa63b517e3e8061195172c9dd4d868232844e6a", kill_on_drop: false }`
[INFO] [stdout] 6342fb867f9c6b1aaa6d71f9efa63b517e3e8061195172c9dd4d868232844e6a