[INFO] fetching crate nibblet 0.1.0...
[INFO] building nibblet-0.1.0 against master#ad85bc524b1ad696e42061ad8338d382dffbdbe5 for pr-146237-1
[INFO] extracting crate nibblet 0.1.0 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate nibblet 0.1.0
[INFO] finished tweaking crates.io crate nibblet 0.1.0
[INFO] tweaked toml for crates.io crate nibblet 0.1.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate nibblet 0.1.0 on toolchain ad85bc524b1ad696e42061ad8338d382dffbdbe5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate nibblet 0.1.0 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" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded discrimin-ant-proc v0.1.1
[INFO] [stderr]   Downloaded discrimin-ant v0.1.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7a160893b3a548b06e728aeee9893766245efec224c140a2c372bc632d91d4d9
[INFO] running `Command { std: "docker" "start" "-a" "7a160893b3a548b06e728aeee9893766245efec224c140a2c372bc632d91d4d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7a160893b3a548b06e728aeee9893766245efec224c140a2c372bc632d91d4d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a160893b3a548b06e728aeee9893766245efec224c140a2c372bc632d91d4d9", kill_on_drop: false }`
[INFO] [stdout] 7a160893b3a548b06e728aeee9893766245efec224c140a2c372bc632d91d4d9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a875d63c3ab607bf1422cba0fb6e7e174182dd6557b27f29bc595836098ee5bc
[INFO] running `Command { std: "docker" "start" "-a" "a875d63c3ab607bf1422cba0fb6e7e174182dd6557b27f29bc595836098ee5bc", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.101
[INFO] [stderr]    Compiling nibblet v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.43s
[INFO] running `Command { std: "docker" "inspect" "a875d63c3ab607bf1422cba0fb6e7e174182dd6557b27f29bc595836098ee5bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a875d63c3ab607bf1422cba0fb6e7e174182dd6557b27f29bc595836098ee5bc", kill_on_drop: false }`
[INFO] [stdout] a875d63c3ab607bf1422cba0fb6e7e174182dd6557b27f29bc595836098ee5bc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 63e4d01305c2524ecab4f5ee775797fd7e8e6c85afbe2a744e63f649714f8260
[INFO] running `Command { std: "docker" "start" "-a" "63e4d01305c2524ecab4f5ee775797fd7e8e6c85afbe2a744e63f649714f8260", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling diff v0.1.13
[INFO] [stderr]    Compiling unty v0.0.4
[INFO] [stderr]    Compiling assert_matches v1.5.0
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling nibblet v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling pretty_assertions v1.4.1
[INFO] [stderr]    Compiling discrimin-ant v0.1.1
[INFO] [stderr]    Compiling discrimin-ant-proc v0.1.1
[INFO] [stderr]    Compiling bincode v2.0.1
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 9.22s
[INFO] running `Command { std: "docker" "inspect" "63e4d01305c2524ecab4f5ee775797fd7e8e6c85afbe2a744e63f649714f8260", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "63e4d01305c2524ecab4f5ee775797fd7e8e6c85afbe2a744e63f649714f8260", kill_on_drop: false }`
[INFO] [stdout] 63e4d01305c2524ecab4f5ee775797fd7e8e6c85afbe2a744e63f649714f8260