[INFO] fetching crate tc-btree 0.1.5...
[INFO] testing tc-btree-0.1.5 against try#ecabaf78506b7a4668d42dc20268c086b93f0fad for pr-87041
[INFO] extracting crate tc-btree 0.1.5 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate tc-btree 0.1.5 on toolchain ecabaf78506b7a4668d42dc20268c086b93f0fad
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tc-btree 0.1.5
[INFO] finished tweaking crates.io crate tc-btree 0.1.5
[INFO] tweaked toml for crates.io crate tc-btree 0.1.5 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e41f19adb6e8e0072c4882f73824fdc869843fc4ae4da27aed089ae442c5735f
[INFO] running `Command { std: "docker" "start" "-a" "e41f19adb6e8e0072c4882f73824fdc869843fc4ae4da27aed089ae442c5735f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e41f19adb6e8e0072c4882f73824fdc869843fc4ae4da27aed089ae442c5735f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e41f19adb6e8e0072c4882f73824fdc869843fc4ae4da27aed089ae442c5735f", kill_on_drop: false }`
[INFO] [stdout] e41f19adb6e8e0072c4882f73824fdc869843fc4ae4da27aed089ae442c5735f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3272abeeef27ff692f451c820871d4e2e1bfba50fcb47ada71dae7bb3ea40512
[INFO] running `Command { std: "docker" "start" "-a" "3272abeeef27ff692f451c820871d4e2e1bfba50fcb47ada71dae7bb3ea40512", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling futures-io v0.3.15
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling safecast v0.1.1
[INFO] [stderr]    Compiling collate v0.1.10
[INFO] [stderr]    Compiling base64 v0.13.0
[INFO] [stderr]    Compiling hex v0.4.3
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling tokio v1.8.1
[INFO] [stderr]    Compiling futures-channel v0.3.15
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling uuid v0.8.2
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling digest v0.9.0
[INFO] [stderr]    Compiling block-buffer v0.9.0
[INFO] [stderr]    Compiling sha2 v0.9.5
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling tokio-util v0.6.7
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling num v0.2.1
[INFO] [stderr]    Compiling env_logger v0.8.4
[INFO] [stderr]    Compiling futures-macro v0.3.15
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling async-trait v0.1.50
[INFO] [stderr]    Compiling pin-project-internal v1.0.7
[INFO] [stderr]    Compiling num-derive v0.3.3
[INFO] [stderr]    Compiling futures-util v0.3.15
[INFO] [stderr]    Compiling pin-project v1.0.7
[INFO] [stderr]    Compiling futures-executor v0.3.15
[INFO] [stderr]    Compiling futures v0.3.15
[INFO] [stderr]    Compiling uplock v0.1.2
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling destream v0.5.0
[INFO] [stderr]    Compiling tc-error v0.2.3
[INFO] [stderr]    Compiling number-general v0.3.9
[INFO] [stderr]    Compiling tbon v0.3.5
[INFO] [stderr]    Compiling tcgeneric v0.1.9
[INFO] [stderr]    Compiling tc-value v0.1.11
[INFO] [stderr]    Compiling tc-transact v0.6.3
[INFO] [stderr]    Compiling tc-btree v0.1.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 54.19s
[INFO] running `Command { std: "docker" "inspect" "3272abeeef27ff692f451c820871d4e2e1bfba50fcb47ada71dae7bb3ea40512", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3272abeeef27ff692f451c820871d4e2e1bfba50fcb47ada71dae7bb3ea40512", kill_on_drop: false }`
[INFO] [stdout] 3272abeeef27ff692f451c820871d4e2e1bfba50fcb47ada71dae7bb3ea40512
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cf03fe0044e8b50a611afff147b45e4d06667fd27457b808f3ba2041f2ece30e
[INFO] running `Command { std: "docker" "start" "-a" "cf03fe0044e8b50a611afff147b45e4d06667fd27457b808f3ba2041f2ece30e", kill_on_drop: false }`
[INFO] [stderr]    Compiling tc-btree v0.1.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.54s
[INFO] running `Command { std: "docker" "inspect" "cf03fe0044e8b50a611afff147b45e4d06667fd27457b808f3ba2041f2ece30e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf03fe0044e8b50a611afff147b45e4d06667fd27457b808f3ba2041f2ece30e", kill_on_drop: false }`
[INFO] [stdout] cf03fe0044e8b50a611afff147b45e4d06667fd27457b808f3ba2041f2ece30e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ce778fdca9e4033891708d691dfefe5da2c56089d505ebd4f7f641c8684e5b96
[INFO] running `Command { std: "docker" "start" "-a" "ce778fdca9e4033891708d691dfefe5da2c56089d505ebd4f7f641c8684e5b96", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/tc_btree-3bf81714e4f30071)
[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]    Doc-tests tc-btree
[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" "ce778fdca9e4033891708d691dfefe5da2c56089d505ebd4f7f641c8684e5b96", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce778fdca9e4033891708d691dfefe5da2c56089d505ebd4f7f641c8684e5b96", kill_on_drop: false }`
[INFO] [stdout] ce778fdca9e4033891708d691dfefe5da2c56089d505ebd4f7f641c8684e5b96