[INFO] fetching crate perftree 0.3.0...
[INFO] testing perftree-0.3.0 against master#b70888601af92f6cdc0364abab3446e418b91d36 for pr-86479
[INFO] extracting crate perftree 0.3.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate perftree 0.3.0 on toolchain b70888601af92f6cdc0364abab3446e418b91d36
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate perftree 0.3.0
[INFO] finished tweaking crates.io crate perftree 0.3.0
[INFO] tweaked toml for crates.io crate perftree 0.3.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c9b7fb0d018a3107a021307b16e650b2425219f9a73e63f5f8b8602188c4767e
[INFO] running `Command { std: "docker" "start" "-a" "c9b7fb0d018a3107a021307b16e650b2425219f9a73e63f5f8b8602188c4767e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c9b7fb0d018a3107a021307b16e650b2425219f9a73e63f5f8b8602188c4767e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c9b7fb0d018a3107a021307b16e650b2425219f9a73e63f5f8b8602188c4767e", kill_on_drop: false }`
[INFO] [stdout] c9b7fb0d018a3107a021307b16e650b2425219f9a73e63f5f8b8602188c4767e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2609a0c7b9aa26613e289fff384cefbaea5f16536c8376e6d44fa90e80b22706
[INFO] running `Command { std: "docker" "start" "-a" "2609a0c7b9aa26613e289fff384cefbaea5f16536c8376e6d44fa90e80b22706", kill_on_drop: false }`
[INFO] [stderr]    Compiling perftree v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.90s
[INFO] running `Command { std: "docker" "inspect" "2609a0c7b9aa26613e289fff384cefbaea5f16536c8376e6d44fa90e80b22706", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2609a0c7b9aa26613e289fff384cefbaea5f16536c8376e6d44fa90e80b22706", kill_on_drop: false }`
[INFO] [stdout] 2609a0c7b9aa26613e289fff384cefbaea5f16536c8376e6d44fa90e80b22706
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] eacab56904341c21e2269849b00fbdc1475d5c01f7967c36aa52c3c191088584
[INFO] running `Command { std: "docker" "start" "-a" "eacab56904341c21e2269849b00fbdc1475d5c01f7967c36aa52c3c191088584", kill_on_drop: false }`
[INFO] [stderr]    Compiling perftree v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.54s
[INFO] running `Command { std: "docker" "inspect" "eacab56904341c21e2269849b00fbdc1475d5c01f7967c36aa52c3c191088584", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eacab56904341c21e2269849b00fbdc1475d5c01f7967c36aa52c3c191088584", kill_on_drop: false }`
[INFO] [stdout] eacab56904341c21e2269849b00fbdc1475d5c01f7967c36aa52c3c191088584
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 0bed2cc3dd8dd942a82a9f8a2f04cdb6bbacef8d6f56da0fb381783c7bb9c6a4
[INFO] running `Command { std: "docker" "start" "-a" "0bed2cc3dd8dd942a82a9f8a2f04cdb6bbacef8d6f56da0fb381783c7bb9c6a4", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/perftree-a8c1ead3c75f7533)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests perftree
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[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" "0bed2cc3dd8dd942a82a9f8a2f04cdb6bbacef8d6f56da0fb381783c7bb9c6a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0bed2cc3dd8dd942a82a9f8a2f04cdb6bbacef8d6f56da0fb381783c7bb9c6a4", kill_on_drop: false }`
[INFO] [stdout] 0bed2cc3dd8dd942a82a9f8a2f04cdb6bbacef8d6f56da0fb381783c7bb9c6a4