[INFO] fetching crate pptree 0.1.0...
[INFO] testing pptree-0.1.0 against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] extracting crate pptree 0.1.0 into /workspace/builds/worker-42/source
[INFO] validating manifest of crates.io crate pptree 0.1.0 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 pptree 0.1.0
[INFO] finished tweaking crates.io crate pptree 0.1.0
[INFO] tweaked toml for crates.io crate pptree 0.1.0 written to /workspace/builds/worker-42/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-42/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/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] 88407985c2e018e8eed028d3f5e7a3164bc3adb95016500cbd23b07d4d95110f
[INFO] running `Command { std: "docker" "start" "-a" "88407985c2e018e8eed028d3f5e7a3164bc3adb95016500cbd23b07d4d95110f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "88407985c2e018e8eed028d3f5e7a3164bc3adb95016500cbd23b07d4d95110f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "88407985c2e018e8eed028d3f5e7a3164bc3adb95016500cbd23b07d4d95110f", kill_on_drop: false }`
[INFO] [stdout] 88407985c2e018e8eed028d3f5e7a3164bc3adb95016500cbd23b07d4d95110f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/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] 599156234c99cbb14e6b2b098da6c284ad1c27ac42da51522ffb4882936d43ab
[INFO] running `Command { std: "docker" "start" "-a" "599156234c99cbb14e6b2b098da6c284ad1c27ac42da51522ffb4882936d43ab", kill_on_drop: false }`
[INFO] [stderr]    Compiling pptree v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.19s
[INFO] running `Command { std: "docker" "inspect" "599156234c99cbb14e6b2b098da6c284ad1c27ac42da51522ffb4882936d43ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "599156234c99cbb14e6b2b098da6c284ad1c27ac42da51522ffb4882936d43ab", kill_on_drop: false }`
[INFO] [stdout] 599156234c99cbb14e6b2b098da6c284ad1c27ac42da51522ffb4882936d43ab
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/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] 4f3e00e750766b71ce4b93545289f042e950817e57043d7ec9fc9872628b0bda
[INFO] running `Command { std: "docker" "start" "-a" "4f3e00e750766b71ce4b93545289f042e950817e57043d7ec9fc9872628b0bda", kill_on_drop: false }`
[INFO] [stderr]    Compiling pptree v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.11s
[INFO] running `Command { std: "docker" "inspect" "4f3e00e750766b71ce4b93545289f042e950817e57043d7ec9fc9872628b0bda", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f3e00e750766b71ce4b93545289f042e950817e57043d7ec9fc9872628b0bda", kill_on_drop: false }`
[INFO] [stdout] 4f3e00e750766b71ce4b93545289f042e950817e57043d7ec9fc9872628b0bda
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/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] 89d6d31cd808625e10fe1d9ac5dc057cd453b77c2cd07da0bc1eddb5f6fa903a
[INFO] running `Command { std: "docker" "start" "-a" "89d6d31cd808625e10fe1d9ac5dc057cd453b77c2cd07da0bc1eddb5f6fa903a", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/pptree-c1387cda8ca49628)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test ... 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 pptree
[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" "89d6d31cd808625e10fe1d9ac5dc057cd453b77c2cd07da0bc1eddb5f6fa903a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "89d6d31cd808625e10fe1d9ac5dc057cd453b77c2cd07da0bc1eddb5f6fa903a", kill_on_drop: false }`
[INFO] [stdout] 89d6d31cd808625e10fe1d9ac5dc057cd453b77c2cd07da0bc1eddb5f6fa903a