[INFO] fetching crate tracebuild 0.3.0...
[INFO] testing tracebuild-0.3.0 against try#d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2 for pr-86479
[INFO] extracting crate tracebuild 0.3.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate tracebuild 0.3.0 on toolchain d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tracebuild 0.3.0
[INFO] finished tweaking crates.io crate tracebuild 0.3.0
[INFO] tweaked toml for crates.io crate tracebuild 0.3.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate tracebuild 0.3.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
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[INFO] [stderr]   Downloaded getrandom v0.2.2
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[INFO] [stderr]   Downloaded tokio v1.3.0
[INFO] [stderr]   Downloaded libc v0.2.90
[INFO] [stderr]   Downloaded prost-build v0.6.1
[INFO] [stderr]   Downloaded proc-macro-hack v0.5.19
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dea0599b3b54601bcdcd65b49d18586b9b386182530f550b1633b86ae2aa237b
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "dea0599b3b54601bcdcd65b49d18586b9b386182530f550b1633b86ae2aa237b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dea0599b3b54601bcdcd65b49d18586b9b386182530f550b1633b86ae2aa237b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dea0599b3b54601bcdcd65b49d18586b9b386182530f550b1633b86ae2aa237b", kill_on_drop: false }`
[INFO] [stdout] dea0599b3b54601bcdcd65b49d18586b9b386182530f550b1633b86ae2aa237b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 48cbc26dd7047006ad2a9e7f85241e8033072a0c5bbd32ee66aa1434e0a05a51
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "48cbc26dd7047006ad2a9e7f85241e8033072a0c5bbd32ee66aa1434e0a05a51", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.90
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.64
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling pin-project-lite v0.2.6
[INFO] [stderr]    Compiling bytes v1.0.1
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]    Compiling futures-core v0.3.13
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling smallvec v1.6.1
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling futures-sink v0.3.13
[INFO] [stderr]    Compiling hashbrown v0.9.1
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling pin-utils v0.1.0
[INFO] [stderr]    Compiling anyhow v1.0.38
[INFO] [stderr]    Compiling futures-task v0.3.13
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling futures-io v0.3.13
[INFO] [stderr]    Compiling itoa v0.4.7
[INFO] [stderr]    Compiling percent-encoding v2.1.0
[INFO] [stderr]    Compiling matches v0.1.8
[INFO] [stderr]    Compiling tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling base64 v0.13.0
[INFO] [stderr]    Compiling unicode-segmentation v1.7.1
[INFO] [stderr]    Compiling typenum v1.13.0
[INFO] [stderr]    Compiling tower-service v0.3.1
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling try-lock v0.2.3
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling serde v1.0.124
[INFO] [stderr]    Compiling untrusted v0.7.1
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]    Compiling spin v0.5.2
[INFO] [stderr]    Compiling encoding_rs v0.8.28
[INFO] [stderr]    Compiling mime v0.3.16
[INFO] [stderr]    Compiling protobuf v2.22.1
[INFO] [stderr]    Compiling opaque-debug v0.3.0
[INFO] [stderr]    Compiling prometheus v0.11.0
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling instant v0.1.9
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[INFO] [stderr]    Compiling futures-channel v0.3.13
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]    Compiling tinyvec v1.1.1
[INFO] [stderr]    Compiling itertools v0.8.2
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]    Compiling unicode-bidi v0.3.4
[INFO] [stderr]    Compiling http v0.2.3
[INFO] [stderr]    Compiling form_urlencoded v1.0.1
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling indexmap v1.6.2
[INFO] [stderr]    Compiling tokio v1.3.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling heck v0.3.2
[INFO] [stderr]    Compiling want v0.3.0
[INFO] [stderr]    Compiling unicode-normalization v0.1.17
[INFO] [stderr]    Compiling aho-corasick v0.7.15
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling http-body v0.4.0
[INFO] [stderr]    Compiling headers-core v0.2.0
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[INFO] [stderr]    Compiling ordered-float v1.1.1
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling parking_lot_core v0.8.3
[INFO] [stderr]    Compiling signal-hook-registry v1.3.0
[INFO] [stderr]    Compiling mio v0.7.10
[INFO] [stderr]    Compiling which v3.1.1
[INFO] [stderr]    Compiling socket2 v0.3.19
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling time v0.1.43
[INFO] [stderr]    Compiling nix v0.20.0
[INFO] [stderr]    Compiling idna v0.2.2
[INFO] [stderr]    Compiling digest v0.9.0
[INFO] [stderr]    Compiling block-buffer v0.9.0
[INFO] [stderr]    Compiling dashmap v4.0.2
[INFO] [stderr]    Compiling threadpool v1.8.1
[INFO] [stderr]    Compiling rand_core v0.6.2
[INFO] [stderr]    Compiling parking_lot v0.11.1
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling prost-build v0.6.1
[INFO] [stderr]    Compiling sha-1 v0.9.4
[INFO] [stderr]    Compiling thrift v0.13.0
[INFO] [stderr]    Compiling rand_chacha v0.3.0
[INFO] [stderr]    Compiling url v2.2.1
[INFO] [stderr]    Compiling headers v0.3.4
[INFO] [stderr]    Compiling rand v0.8.3
[INFO] [stderr]    Compiling serde_urlencoded v0.7.0
[INFO] [stderr]    Compiling webpki v0.21.4
[INFO] [stderr]    Compiling sct v0.6.0
[INFO] [stderr]    Compiling webpki-roots v0.21.0
[INFO] [stderr]    Compiling rustls v0.19.0
[INFO] [stderr]    Compiling tempfile v3.2.0
[INFO] [stderr]    Compiling ureq v2.0.2
[INFO] [stderr]    Compiling tokio-macros v1.1.0
[INFO] [stderr]    Compiling futures-macro v0.3.13
[INFO] [stderr]    Compiling pin-project-internal v1.0.5
[INFO] [stderr]    Compiling tracing-attributes v0.1.15
[INFO] [stderr]    Compiling prost-derive v0.6.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.24
[INFO] [stderr]    Compiling async-trait v0.1.48
[INFO] [stderr]    Compiling prost-derive v0.7.0
[INFO] [stderr]    Compiling async-stream-impl v0.3.0
[INFO] [stderr]    Compiling structopt-derive v0.4.14
[INFO] [stderr]    Compiling async-stream v0.3.0
[INFO] [stderr]    Compiling futures-util v0.3.13
[INFO] [stderr]    Compiling pin-project v1.0.5
[INFO] [stderr]    Compiling tracing v0.1.25
[INFO] [stderr]    Compiling thiserror v1.0.24
[INFO] [stderr]    Compiling tracing-futures v0.2.5
[INFO] [stderr]    Compiling structopt v0.3.21
[INFO] [stderr]    Compiling prost v0.6.1
[INFO] [stderr]    Compiling prost v0.7.0
[INFO] [stderr]    Compiling prost-types v0.6.1
[INFO] [stderr]    Compiling futures-executor v0.3.13
[INFO] [stderr]    Compiling futures v0.3.13
[INFO] [stderr]    Compiling tokio-util v0.6.4
[INFO] [stderr]    Compiling tokio-stream v0.1.4
[INFO] [stderr]    Compiling tonic-build v0.3.1
[INFO] [stderr]    Compiling opentelemetry v0.12.0
[INFO] [stderr]    Compiling h2 v0.3.1
[INFO] [stderr]    Compiling tower v0.4.6
[INFO] [stderr]    Compiling opentelemetry-otlp v0.5.0
[INFO] [stderr]    Compiling opentelemetry-prometheus v0.5.0
[INFO] [stderr]    Compiling hyper v0.14.4
[INFO] [stderr]    Compiling reqwest v0.11.2
[INFO] [stderr]    Compiling tonic v0.4.1
[INFO] [stderr]    Compiling opentelemetry-http v0.1.0
[INFO] [stderr]    Compiling opentelemetry-jaeger v0.11.0
[INFO] [stderr]    Compiling tracebuild v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 45s
[INFO] running `Command { std: "docker" "inspect" "48cbc26dd7047006ad2a9e7f85241e8033072a0c5bbd32ee66aa1434e0a05a51", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "48cbc26dd7047006ad2a9e7f85241e8033072a0c5bbd32ee66aa1434e0a05a51", kill_on_drop: false }`
[INFO] [stdout] 48cbc26dd7047006ad2a9e7f85241e8033072a0c5bbd32ee66aa1434e0a05a51
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] d158ee5949668a73819b308566964e2a2fd38df5d5b31d5177adc9053b8577ec
[INFO] running `Command { std: "docker" "start" "-a" "d158ee5949668a73819b308566964e2a2fd38df5d5b31d5177adc9053b8577ec", kill_on_drop: false }`
[INFO] [stderr]    Compiling tracebuild v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.21s
[INFO] running `Command { std: "docker" "inspect" "d158ee5949668a73819b308566964e2a2fd38df5d5b31d5177adc9053b8577ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d158ee5949668a73819b308566964e2a2fd38df5d5b31d5177adc9053b8577ec", kill_on_drop: false }`
[INFO] [stdout] d158ee5949668a73819b308566964e2a2fd38df5d5b31d5177adc9053b8577ec
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d89ab8455d24c64671328470c977f7b7cf16b9abafdfd6dc440d1aeed9b27955
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "d89ab8455d24c64671328470c977f7b7cf16b9abafdfd6dc440d1aeed9b27955", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.14s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/tracebuild-c0df7ed2a1f3196c)
[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" "d89ab8455d24c64671328470c977f7b7cf16b9abafdfd6dc440d1aeed9b27955", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d89ab8455d24c64671328470c977f7b7cf16b9abafdfd6dc440d1aeed9b27955", kill_on_drop: false }`
[INFO] [stdout] d89ab8455d24c64671328470c977f7b7cf16b9abafdfd6dc440d1aeed9b27955