[INFO] fetching crate topic 0.0.0...
[INFO] testing topic-0.0.0 against master#0d13f6afeba4935499abe0c9a07426c94492c94e for pr-96025
[INFO] extracting crate topic 0.0.0 into /workspace/builds/worker-89/source
[INFO] validating manifest of crates.io crate topic 0.0.0 on toolchain 0d13f6afeba4935499abe0c9a07426c94492c94e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0d13f6afeba4935499abe0c9a07426c94492c94e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate topic 0.0.0
[INFO] finished tweaking crates.io crate topic 0.0.0
[INFO] tweaked toml for crates.io crate topic 0.0.0 written to /workspace/builds/worker-89/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0d13f6afeba4935499abe0c9a07426c94492c94e" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0d13f6afeba4935499abe0c9a07426c94492c94e" "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-89/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-89/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+0d13f6afeba4935499abe0c9a07426c94492c94e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e5c486785398e6d348aa1952e5f27bdb03c562be3f41e70dbc8d8d0e4ed2e2af
[INFO] running `Command { std: "docker" "start" "-a" "e5c486785398e6d348aa1952e5f27bdb03c562be3f41e70dbc8d8d0e4ed2e2af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e5c486785398e6d348aa1952e5f27bdb03c562be3f41e70dbc8d8d0e4ed2e2af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e5c486785398e6d348aa1952e5f27bdb03c562be3f41e70dbc8d8d0e4ed2e2af", kill_on_drop: false }`
[INFO] [stdout] e5c486785398e6d348aa1952e5f27bdb03c562be3f41e70dbc8d8d0e4ed2e2af
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-89/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-89/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" "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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+0d13f6afeba4935499abe0c9a07426c94492c94e" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 15b31fed6501dad09598cba605aeac7a072374c8e24b41b723654b3a602aab45
[INFO] running `Command { std: "docker" "start" "-a" "15b31fed6501dad09598cba605aeac7a072374c8e24b41b723654b3a602aab45", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling topic v0.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `main`
[INFO] [stdout]  --> src/lib.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn main() {
[INFO] [stdout]   |    ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.52s
[INFO] running `Command { std: "docker" "inspect" "15b31fed6501dad09598cba605aeac7a072374c8e24b41b723654b3a602aab45", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "15b31fed6501dad09598cba605aeac7a072374c8e24b41b723654b3a602aab45", kill_on_drop: false }`
[INFO] [stdout] 15b31fed6501dad09598cba605aeac7a072374c8e24b41b723654b3a602aab45
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-89/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-89/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" "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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+0d13f6afeba4935499abe0c9a07426c94492c94e" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 09bd0acc11a000cf05a3a19d83c4a3f548fe11592322efcf29a51d1f65211d39
[INFO] running `Command { std: "docker" "start" "-a" "09bd0acc11a000cf05a3a19d83c4a3f548fe11592322efcf29a51d1f65211d39", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stdout] warning: function is never used: `main`
[INFO] [stdout]  --> src/lib.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn main() {
[INFO] [stdout]   |    ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling topic v0.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.73s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/topic-b91adba52fed09fb)
[INFO] running `Command { std: "docker" "inspect" "09bd0acc11a000cf05a3a19d83c4a3f548fe11592322efcf29a51d1f65211d39", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "09bd0acc11a000cf05a3a19d83c4a3f548fe11592322efcf29a51d1f65211d39", kill_on_drop: false }`
[INFO] [stdout] 09bd0acc11a000cf05a3a19d83c4a3f548fe11592322efcf29a51d1f65211d39
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-89/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-89/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" "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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+0d13f6afeba4935499abe0c9a07426c94492c94e" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a0cd561668fa509cc9bc29badd3c6692b77b33363265742f22b83a692e633a58
[INFO] running `Command { std: "docker" "start" "-a" "a0cd561668fa509cc9bc29badd3c6692b77b33363265742f22b83a692e633a58", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: function is never used: `main`
[INFO] [stdout] 
[INFO] [stderr]  --> src/lib.rs:1:4
[INFO] [stdout] running 0 tests
[INFO] [stderr]   |
[INFO] [stdout] 
[INFO] [stderr] 1 | fn main() {
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr]   |    ^^^^
[INFO] [stdout] 
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `topic` (lib) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.46s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/topic-b91adba52fed09fb)
[INFO] [stderr]    Doc-tests topic
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "a0cd561668fa509cc9bc29badd3c6692b77b33363265742f22b83a692e633a58", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a0cd561668fa509cc9bc29badd3c6692b77b33363265742f22b83a692e633a58", kill_on_drop: false }`
[INFO] [stdout] a0cd561668fa509cc9bc29badd3c6692b77b33363265742f22b83a692e633a58