[INFO] fetching crate sire 0.0.1-alpha7...
[INFO] checking sire-0.0.1-alpha7 against try#998b6603a58e47f42ccce7a67943234e96b6839e for pr-143170
[INFO] extracting crate sire 0.0.1-alpha7 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate sire 0.0.1-alpha7
[INFO] finished tweaking crates.io crate sire 0.0.1-alpha7
[INFO] tweaked toml for crates.io crate sire 0.0.1-alpha7 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate sire 0.0.1-alpha7 on toolchain 998b6603a58e47f42ccce7a67943234e96b6839e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate sire 0.0.1-alpha7 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" "+998b6603a58e47f42ccce7a67943234e96b6839e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dd0c0836333771a7303d2d59a6718d70512baa828b0b5134e1cd2771264be68f
[INFO] running `Command { std: "docker" "start" "-a" "dd0c0836333771a7303d2d59a6718d70512baa828b0b5134e1cd2771264be68f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dd0c0836333771a7303d2d59a6718d70512baa828b0b5134e1cd2771264be68f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd0c0836333771a7303d2d59a6718d70512baa828b0b5134e1cd2771264be68f", kill_on_drop: false }`
[INFO] [stdout] dd0c0836333771a7303d2d59a6718d70512baa828b0b5134e1cd2771264be68f
[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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 633cd9e7c585b646d41b3c413b166d8ff4b82b016b56cb70ebaa2becff93649a
[INFO] running `Command { std: "docker" "start" "-a" "633cd9e7c585b646d41b3c413b166d8ff4b82b016b56cb70ebaa2becff93649a", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling libc v0.2.119
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]     Checking predicates-core v1.0.3
[INFO] [stderr]     Checking termtree v0.2.4
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]     Checking difflib v0.4.0
[INFO] [stderr]     Checking sire v0.0.1-alpha7 (/opt/rustwide/workdir)
[INFO] [stdout] warning: found module declaration for lib.rs
[INFO] [stdout]  --> src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | mod lib;
[INFO] [stdout]   | ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: lib.rs is the root of this crate's library target
[INFO] [stdout]   = help: to refer to it from other targets, use the library's name as the path
[INFO] [stdout]   = note: `#[warn(special_module_name)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking predicates-tree v1.0.5
[INFO] [stderr]     Checking itertools v0.10.3
[INFO] [stderr]     Checking bstr v0.2.17
[INFO] [stderr]     Checking wait-timeout v0.2.0
[INFO] [stderr]     Checking predicates v2.1.1
[INFO] [stderr]     Checking assert_cmd v2.0.4
[INFO] [stdout] warning: found module declaration for lib.rs
[INFO] [stdout]  --> src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | mod lib;
[INFO] [stdout]   | ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: lib.rs is the root of this crate's library target
[INFO] [stdout]   = help: to refer to it from other targets, use the library's name as the path
[INFO] [stdout]   = note: `#[warn(special_module_name)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.48s
[INFO] running `Command { std: "docker" "inspect" "633cd9e7c585b646d41b3c413b166d8ff4b82b016b56cb70ebaa2becff93649a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "633cd9e7c585b646d41b3c413b166d8ff4b82b016b56cb70ebaa2becff93649a", kill_on_drop: false }`
[INFO] [stdout] 633cd9e7c585b646d41b3c413b166d8ff4b82b016b56cb70ebaa2becff93649a