[INFO] fetching crate ipdb 0.1.4...
[INFO] testing ipdb-0.1.4 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate ipdb 0.1.4 into /workspace/builds/worker-88/source
[INFO] validating manifest of crates.io crate ipdb 0.1.4 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ipdb 0.1.4
[INFO] finished tweaking crates.io crate ipdb 0.1.4
[INFO] tweaked toml for crates.io crate ipdb 0.1.4 written to /workspace/builds/worker-88/source/Cargo.toml
[INFO] crate crates.io crate ipdb 0.1.4 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "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-88/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-88/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d86980fea749f38bac69589dc0f4933e2cbcb2ddf2756362f503cfa84680321f
[INFO] running `Command { std: "docker" "start" "-a" "d86980fea749f38bac69589dc0f4933e2cbcb2ddf2756362f503cfa84680321f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d86980fea749f38bac69589dc0f4933e2cbcb2ddf2756362f503cfa84680321f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d86980fea749f38bac69589dc0f4933e2cbcb2ddf2756362f503cfa84680321f", kill_on_drop: false }`
[INFO] [stdout] d86980fea749f38bac69589dc0f4933e2cbcb2ddf2756362f503cfa84680321f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-88/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-88/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3ee31cef657255d166385203663fcb6b9a37e530ddf7290f1018ca5dd2874ae0
[INFO] running `Command { std: "docker" "start" "-a" "3ee31cef657255d166385203663fcb6b9a37e530ddf7290f1018ca5dd2874ae0", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.69
[INFO] [stderr]    Compiling serde_derive v1.0.125
[INFO] [stderr]    Compiling serde v1.0.125
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]    Compiling itoa v0.4.7
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling ipdb v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 39s
[INFO] running `Command { std: "docker" "inspect" "3ee31cef657255d166385203663fcb6b9a37e530ddf7290f1018ca5dd2874ae0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ee31cef657255d166385203663fcb6b9a37e530ddf7290f1018ca5dd2874ae0", kill_on_drop: false }`
[INFO] [stdout] 3ee31cef657255d166385203663fcb6b9a37e530ddf7290f1018ca5dd2874ae0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-88/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-88/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3ffdace821ab62f699f296f880f7fb7e5c2a4cfc371ed0079c22ad119c4adb35
[INFO] running `Command { std: "docker" "start" "-a" "3ffdace821ab62f699f296f880f7fb7e5c2a4cfc371ed0079c22ad119c4adb35", kill_on_drop: false }`
[INFO] [stderr]    Compiling ipdb_rs v0.1.0
[INFO] [stderr]    Compiling ipdb v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.82s
[INFO] running `Command { std: "docker" "inspect" "3ffdace821ab62f699f296f880f7fb7e5c2a4cfc371ed0079c22ad119c4adb35", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ffdace821ab62f699f296f880f7fb7e5c2a4cfc371ed0079c22ad119c4adb35", kill_on_drop: false }`
[INFO] [stdout] 3ffdace821ab62f699f296f880f7fb7e5c2a4cfc371ed0079c22ad119c4adb35
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-88/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-88/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f5c9e0f2a6c9dc8440c21f80ed4b8a2f0516694321374d3a6ea68e2eab62b13a
[INFO] running `Command { std: "docker" "start" "-a" "f5c9e0f2a6c9dc8440c21f80ed4b8a2f0516694321374d3a6ea68e2eab62b13a", kill_on_drop: false }`
[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]     Finished test [unoptimized + debuginfo] target(s) in 0.18s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/ipdb-8071082bfdfe317f)
[INFO] [stderr]    Doc-tests ipdb
[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" "f5c9e0f2a6c9dc8440c21f80ed4b8a2f0516694321374d3a6ea68e2eab62b13a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f5c9e0f2a6c9dc8440c21f80ed4b8a2f0516694321374d3a6ea68e2eab62b13a", kill_on_drop: false }`
[INFO] [stdout] f5c9e0f2a6c9dc8440c21f80ed4b8a2f0516694321374d3a6ea68e2eab62b13a