[INFO] fetching crate teaspoon 0.1.0...
[INFO] checking teaspoon-0.1.0 against try#998b6603a58e47f42ccce7a67943234e96b6839e for pr-143170
[INFO] extracting crate teaspoon 0.1.0 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate teaspoon 0.1.0
[INFO] finished tweaking crates.io crate teaspoon 0.1.0
[INFO] tweaked toml for crates.io crate teaspoon 0.1.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate teaspoon 0.1.0 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]     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 3 packages to latest compatible versions
[INFO] [stderr]       Adding rand v0.8.5 (available: v0.9.1)
[INFO] [stderr]       Adding spin v0.9.8 (available: v0.10.0)
[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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1dbf14ecf0e68b6711c9d539951da8cd8d4ef8c2a469b5fb8d662df1769fc4d7
[INFO] running `Command { std: "docker" "start" "-a" "1dbf14ecf0e68b6711c9d539951da8cd8d4ef8c2a469b5fb8d662df1769fc4d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1dbf14ecf0e68b6711c9d539951da8cd8d4ef8c2a469b5fb8d662df1769fc4d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1dbf14ecf0e68b6711c9d539951da8cd8d4ef8c2a469b5fb8d662df1769fc4d7", kill_on_drop: false }`
[INFO] [stdout] 1dbf14ecf0e68b6711c9d539951da8cd8d4ef8c2a469b5fb8d662df1769fc4d7
[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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] af74fc5bb7bf30693beb6883637ecf2ba9239eab60ff19ed600291a006056f33
[INFO] running `Command { std: "docker" "start" "-a" "af74fc5bb7bf30693beb6883637ecf2ba9239eab60ff19ed600291a006056f33", kill_on_drop: false }`
[INFO] [stderr]     Checking spin v0.9.8
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking teaspoon v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stdout] warning: extern crate `rand` is unused in crate `teaspoon`
[INFO] [stdout]    --> src/lib.rs:4:1
[INFO] [stdout]     |
[INFO] [stdout] 4   | //! Teaspoon: an allocator for when all you have is a teaspoon of memory.
[INFO] [stdout]     | ^
[INFO] [stdout]     |
[INFO] [stdout]     = help: remove the dependency or add `use rand as _;` to the crate root
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> src/lib.rs:218:9
[INFO] [stdout]     |
[INFO] [stdout] 218 | #![warn(unused_crate_dependencies)]
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.99s
[INFO] running `Command { std: "docker" "inspect" "af74fc5bb7bf30693beb6883637ecf2ba9239eab60ff19ed600291a006056f33", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "af74fc5bb7bf30693beb6883637ecf2ba9239eab60ff19ed600291a006056f33", kill_on_drop: false }`
[INFO] [stdout] af74fc5bb7bf30693beb6883637ecf2ba9239eab60ff19ed600291a006056f33