[INFO] fetching crate printd 0.2.1...
[INFO] testing printd-0.2.1 against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] extracting crate printd 0.2.1 into /workspace/builds/worker-37/source
[INFO] validating manifest of crates.io crate printd 0.2.1 on toolchain 722e1797249a965b6335aebd65d777f917e498f1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate printd 0.2.1
[INFO] finished tweaking crates.io crate printd 0.2.1
[INFO] tweaked toml for crates.io crate printd 0.2.1 written to /workspace/builds/worker-37/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "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" "+722e1797249a965b6335aebd65d777f917e498f1" "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-37/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/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" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e9909cd092a81236752c42e8fd0eb33aa0d0d957c4b83afea8141993d9abb50e
[INFO] running `Command { std: "docker" "start" "-a" "e9909cd092a81236752c42e8fd0eb33aa0d0d957c4b83afea8141993d9abb50e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e9909cd092a81236752c42e8fd0eb33aa0d0d957c4b83afea8141993d9abb50e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e9909cd092a81236752c42e8fd0eb33aa0d0d957c4b83afea8141993d9abb50e", kill_on_drop: false }`
[INFO] [stdout] e9909cd092a81236752c42e8fd0eb33aa0d0d957c4b83afea8141993d9abb50e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/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" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f57d94cdbe4aed5a88bad9cc49e614c25f4c52d914e27a090b654a9cc978401c
[INFO] running `Command { std: "docker" "start" "-a" "f57d94cdbe4aed5a88bad9cc49e614c25f4c52d914e27a090b654a9cc978401c", kill_on_drop: false }`
[INFO] [stderr]    Compiling printd v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.28s
[INFO] running `Command { std: "docker" "inspect" "f57d94cdbe4aed5a88bad9cc49e614c25f4c52d914e27a090b654a9cc978401c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f57d94cdbe4aed5a88bad9cc49e614c25f4c52d914e27a090b654a9cc978401c", kill_on_drop: false }`
[INFO] [stdout] f57d94cdbe4aed5a88bad9cc49e614c25f4c52d914e27a090b654a9cc978401c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/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" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3c89aee47008e67f5c153b4da6355836ee3a275936b8eb4b334ae24b7ffb535b
[INFO] running `Command { std: "docker" "start" "-a" "3c89aee47008e67f5c153b4da6355836ee3a275936b8eb4b334ae24b7ffb535b", kill_on_drop: false }`
[INFO] [stderr]    Compiling printd v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `eggs`
[INFO] [stdout]  --> tests/printd.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     eggs: Vec<usize>,
[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 test [unoptimized + debuginfo] target(s) in 0.55s
[INFO] running `Command { std: "docker" "inspect" "3c89aee47008e67f5c153b4da6355836ee3a275936b8eb4b334ae24b7ffb535b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3c89aee47008e67f5c153b4da6355836ee3a275936b8eb4b334ae24b7ffb535b", kill_on_drop: false }`
[INFO] [stdout] 3c89aee47008e67f5c153b4da6355836ee3a275936b8eb4b334ae24b7ffb535b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/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" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 5fc8ff1af84e3ab2def5a376765db0d5e28f7847877ff9bbcfc087f4b9c4eb0e
[INFO] running `Command { std: "docker" "start" "-a" "5fc8ff1af84e3ab2def5a376765db0d5e28f7847877ff9bbcfc087f4b9c4eb0e", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: field is never read: `eggs`
[INFO] [stderr]  --> tests/printd.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 |     eggs: Vec<usize>,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `printd` (test "printd") generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.24s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/printd-b23ec3120b0ac278)
[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] [stderr]      Running tests/printd.rs (/opt/rustwide/target/debug/deps/printd-4ebe1aeb9adaba8f)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test printd ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests printd
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - printd (line 6) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.26s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "5fc8ff1af84e3ab2def5a376765db0d5e28f7847877ff9bbcfc087f4b9c4eb0e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5fc8ff1af84e3ab2def5a376765db0d5e28f7847877ff9bbcfc087f4b9c4eb0e", kill_on_drop: false }`
[INFO] [stdout] 5fc8ff1af84e3ab2def5a376765db0d5e28f7847877ff9bbcfc087f4b9c4eb0e