[INFO] fetching crate tumbleweed 0.1.0...
[INFO] checking tumbleweed-0.1.0 against try#05c8870159e4f328578a970e125aa76d24f03b56 for pr-76219
[INFO] extracting crate tumbleweed 0.1.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate tumbleweed 0.1.0 on toolchain 05c8870159e4f328578a970e125aa76d24f03b56
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+05c8870159e4f328578a970e125aa76d24f03b56" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tumbleweed 0.1.0
[INFO] finished tweaking crates.io crate tumbleweed 0.1.0
[INFO] tweaked toml for crates.io crate tumbleweed 0.1.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+05c8870159e4f328578a970e125aa76d24f03b56" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+05c8870159e4f328578a970e125aa76d24f03b56" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tokio-tungstenite v0.11.0
[INFO] [stderr]   Downloaded async-h1 v2.1.2
[INFO] [stderr]   Downloaded universal-hash v0.4.0
[INFO] [stderr]   Downloaded aes-gcm v0.6.0
[INFO] [stderr]   Downloaded aes v0.4.0
[INFO] [stderr]   Downloaded time v0.2.18
[INFO] [stderr]   Downloaded serde_qs v0.6.1
[INFO] [stderr]   Downloaded const_fn v0.4.2
[INFO] [stderr]   Downloaded async-sse v4.0.0
[INFO] [stderr]   Downloaded aes-soft v0.4.0
[INFO] [stderr]   Downloaded polling v0.1.9
[INFO] [stderr]   Downloaded polyval v0.4.0
[INFO] [stderr]   Downloaded route-recognizer v0.2.0
[INFO] [stderr]   Downloaded cookie v0.14.2
[INFO] [stderr]   Downloaded send_wrapper v0.4.0
[INFO] [stderr]   Downloaded ghash v0.3.0
[INFO] [stderr]   Downloaded time-macros v0.1.0
[INFO] [stderr]   Downloaded sha2 v0.9.1
[INFO] [stderr]   Downloaded async-session v2.0.1
[INFO] [stderr]   Downloaded aesni v0.7.0
[INFO] [stderr]   Downloaded aead v0.3.2
[INFO] [stderr]   Downloaded warp v0.2.5
[INFO] [stderr]   Downloaded byte-pool v0.2.2
[INFO] [stderr]   Downloaded multipart v0.17.0
[INFO] [stderr]   Downloaded blake3 v0.3.6
[INFO] [stderr]   Downloaded femme v2.1.1
[INFO] [stderr]   Downloaded standback v0.2.10
[INFO] [stderr]   Downloaded tumbleweed_derive v0.1.0
[INFO] [stderr]   Downloaded hkdf v0.9.0
[INFO] [stderr]   Downloaded block-cipher v0.7.1
[INFO] [stderr]   Downloaded time-macros-impl v0.1.1
[INFO] [stderr]   Downloaded http-types v2.4.0
[INFO] [stderr]   Downloaded tide v0.13.0
[INFO] [stderr]   Downloaded infer v0.1.7
[INFO] [stderr]   Downloaded gloo-timers v0.2.1
[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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+05c8870159e4f328578a970e125aa76d24f03b56" "metadata" "--no-deps" "--format-version=1", 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] 7c31f47a65e647169137208a43e4e73d65aa0d47eaa27c18f43f6e164cfd91df
[INFO] running `Command { std: "docker" "start" "-a" "7c31f47a65e647169137208a43e4e73d65aa0d47eaa27c18f43f6e164cfd91df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7c31f47a65e647169137208a43e4e73d65aa0d47eaa27c18f43f6e164cfd91df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c31f47a65e647169137208a43e4e73d65aa0d47eaa27c18f43f6e164cfd91df", kill_on_drop: false }`
[INFO] [stdout] 7c31f47a65e647169137208a43e4e73d65aa0d47eaa27c18f43f6e164cfd91df
[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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+05c8870159e4f328578a970e125aa76d24f03b56" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b90a1e749778a5d4ab649b0ed0b7f6ba0626d91d36a25bf12c23c10e264b8101
[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" "b90a1e749778a5d4ab649b0ed0b7f6ba0626d91d36a25bf12c23c10e264b8101", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.76
[INFO] [stderr]    Compiling syn v1.0.40
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling pin-project-internal v0.4.23
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling rayon-core v1.8.0
[INFO] [stderr]    Compiling serde_json v1.0.57
[INFO] [stderr]    Compiling serde_derive v1.0.115
[INFO] [stderr]     Checking either v1.6.0
[INFO] [stderr]     Checking futures-task v0.3.5
[INFO] [stderr]     Checking half v1.6.0
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking oorandom v11.1.2
[INFO] [stderr]     Checking dotenv v0.15.0
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling memoffset v0.5.5
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling indexmap v1.6.0
[INFO] [stderr]     Checking tracing-core v0.1.16
[INFO] [stderr]    Compiling rayon v1.4.0
[INFO] [stderr]     Checking futures-channel v0.3.5
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]     Checking walkdir v2.3.1
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.20
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking serde_cbor v0.11.1
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking plotters v0.2.15
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]     Checking tracing v0.1.19
[INFO] [stderr]     Checking crossbeam-channel v0.4.4
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]    Compiling cast v0.2.3
[INFO] [stderr]     Checking crossbeam-deque v0.7.3
[INFO] [stderr]     Checking bstr v0.2.13
[INFO] [stderr]     Checking net2 v0.2.35
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking socket2 v0.3.12
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking mio v0.6.22
[INFO] [stderr]     Checking criterion-plot v0.4.3
[INFO] [stderr]     Checking tinytemplate v1.1.0
[INFO] [stderr]     Checking pretty_env_logger v0.4.0
[INFO] [stderr]     Checking csv v1.1.3
[INFO] [stderr]     Checking tokio v0.2.22
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]    Compiling tumbleweed_derive v0.1.0
[INFO] [stderr]     Checking pin-project v0.4.23
[INFO] [stderr]     Checking futures-util v0.3.5
[INFO] [stderr]     Checking h2 v0.2.6
[INFO] [stderr]     Checking criterion v0.3.3
[INFO] [stderr]     Checking tumbleweed v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking hyper v0.13.7
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 18s
[INFO] running `Command { std: "docker" "inspect" "b90a1e749778a5d4ab649b0ed0b7f6ba0626d91d36a25bf12c23c10e264b8101", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b90a1e749778a5d4ab649b0ed0b7f6ba0626d91d36a25bf12c23c10e264b8101", kill_on_drop: false }`
[INFO] [stdout] b90a1e749778a5d4ab649b0ed0b7f6ba0626d91d36a25bf12c23c10e264b8101