[INFO] fetching crate lanterns 0.1.0...
[INFO] testing lanterns-0.1.0 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] extracting crate lanterns 0.1.0 into /workspace/builds/worker-89/source
[INFO] validating manifest of crates.io crate lanterns 0.1.0 on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate lanterns 0.1.0
[INFO] finished tweaking crates.io crate lanterns 0.1.0
[INFO] tweaked toml for crates.io crate lanterns 0.1.0 written to /workspace/builds/worker-89/source/Cargo.toml
[INFO] crate crates.io crate lanterns 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9c4cea6722c3734332780de67951aea175d4918c57d4f03b9159b846fc5f318e
[INFO] running `Command { std: "docker" "start" "-a" "9c4cea6722c3734332780de67951aea175d4918c57d4f03b9159b846fc5f318e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9c4cea6722c3734332780de67951aea175d4918c57d4f03b9159b846fc5f318e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9c4cea6722c3734332780de67951aea175d4918c57d4f03b9159b846fc5f318e", kill_on_drop: false }`
[INFO] [stdout] 9c4cea6722c3734332780de67951aea175d4918c57d4f03b9159b846fc5f318e
[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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] baafc57181e29c8c32590555be0e12e9088d6f44fb7a39a0f33e73b4c569724f
[INFO] running `Command { std: "docker" "start" "-a" "baafc57181e29c8c32590555be0e12e9088d6f44fb7a39a0f33e73b4c569724f", kill_on_drop: false }`
[INFO] [stderr]    Compiling lanterns v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.09s
[INFO] running `Command { std: "docker" "inspect" "baafc57181e29c8c32590555be0e12e9088d6f44fb7a39a0f33e73b4c569724f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "baafc57181e29c8c32590555be0e12e9088d6f44fb7a39a0f33e73b4c569724f", kill_on_drop: false }`
[INFO] [stdout] baafc57181e29c8c32590555be0e12e9088d6f44fb7a39a0f33e73b4c569724f
[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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a7bb664d2ac0f29c40225b5ac492e92c499d1f636720054039c2feb6ab7835d8
[INFO] running `Command { std: "docker" "start" "-a" "a7bb664d2ac0f29c40225b5ac492e92c499d1f636720054039c2feb6ab7835d8", kill_on_drop: false }`
[INFO] [stderr]    Compiling lanterns v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.33s
[INFO] running `Command { std: "docker" "inspect" "a7bb664d2ac0f29c40225b5ac492e92c499d1f636720054039c2feb6ab7835d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a7bb664d2ac0f29c40225b5ac492e92c499d1f636720054039c2feb6ab7835d8", kill_on_drop: false }`
[INFO] [stdout] a7bb664d2ac0f29c40225b5ac492e92c499d1f636720054039c2feb6ab7835d8
[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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 949ca915ad3cb83004f75bc16c3f6ad074801a346cc28bcba6c4350dbc92cd0d
[INFO] running `Command { std: "docker" "start" "-a" "949ca915ad3cb83004f75bc16c3f6ad074801a346cc28bcba6c4350dbc92cd0d", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/lanterns-0661a24dcd6a669b)
[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" "949ca915ad3cb83004f75bc16c3f6ad074801a346cc28bcba6c4350dbc92cd0d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "949ca915ad3cb83004f75bc16c3f6ad074801a346cc28bcba6c4350dbc92cd0d", kill_on_drop: false }`
[INFO] [stdout] 949ca915ad3cb83004f75bc16c3f6ad074801a346cc28bcba6c4350dbc92cd0d