[INFO] fetching crate btree_graph 0.2.2...
[INFO] checking btree_graph-0.2.2 against try#998b6603a58e47f42ccce7a67943234e96b6839e for pr-143170
[INFO] extracting crate btree_graph 0.2.2 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate btree_graph 0.2.2
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate btree_graph 0.2.2
[INFO] tweaked toml for crates.io crate btree_graph 0.2.2 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate btree_graph 0.2.2 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 77 packages to latest compatible versions
[INFO] [stderr]       Adding criterion v0.3.6 (available: v0.6.0)
[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-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 23c2a3876c4688d51d88ee268878a10637f24626c3d274796743d6199d16ae19
[INFO] running `Command { std: "docker" "start" "-a" "23c2a3876c4688d51d88ee268878a10637f24626c3d274796743d6199d16ae19", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "23c2a3876c4688d51d88ee268878a10637f24626c3d274796743d6199d16ae19", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "23c2a3876c4688d51d88ee268878a10637f24626c3d274796743d6199d16ae19", kill_on_drop: false }`
[INFO] [stdout] 23c2a3876c4688d51d88ee268878a10637f24626c3d274796743d6199d16ae19
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] b83f0b8f2626f048bd2a783cb81b7eee9fcbf26482e985d2c70c3f954450678d
[INFO] running `Command { std: "docker" "start" "-a" "b83f0b8f2626f048bd2a783cb81b7eee9fcbf26482e985d2c70c3f954450678d", kill_on_drop: false }`
[INFO] [stderr]     Checking unicode-width v0.1.14
[INFO] [stderr]     Checking regex-syntax v0.8.5
[INFO] [stderr]     Checking plotters-backend v0.3.7
[INFO] [stderr]     Checking cast v0.3.0
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking csv-core v0.1.12
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking half v1.8.3
[INFO] [stderr]     Checking oorandom v11.1.5
[INFO] [stderr]     Checking btree_graph v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking serde_json v1.0.140
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]     Checking walkdir v2.5.0
[INFO] [stderr]     Checking plotters-svg v0.3.7
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking csv v1.3.1
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking serde_cbor v0.11.2
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking plotters v0.3.7
[INFO] [stderr]     Checking regex-automata v0.4.9
[INFO] [stderr]     Checking criterion-plot v0.4.5
[INFO] [stderr]     Checking regex v1.11.1
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]     Checking criterion v0.3.6
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 14.80s
[INFO] running `Command { std: "docker" "inspect" "b83f0b8f2626f048bd2a783cb81b7eee9fcbf26482e985d2c70c3f954450678d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b83f0b8f2626f048bd2a783cb81b7eee9fcbf26482e985d2c70c3f954450678d", kill_on_drop: false }`
[INFO] [stdout] b83f0b8f2626f048bd2a783cb81b7eee9fcbf26482e985d2c70c3f954450678d