[INFO] fetching crate mu_runtime 0.2.0...
[INFO] checking mu_runtime-0.2.0 against try#cac44d9528e3bbbdaa1537d187bd489ccc5de18c for pr-91141
[INFO] extracting crate mu_runtime 0.2.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate mu_runtime 0.2.0 on toolchain cac44d9528e3bbbdaa1537d187bd489ccc5de18c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mu_runtime 0.2.0
[INFO] finished tweaking crates.io crate mu_runtime 0.2.0
[INFO] tweaked toml for crates.io crate mu_runtime 0.2.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded aws_lambda_events v0.4.0
[INFO] [stderr]   Downloaded rusoto_credential v0.46.0
[INFO] [stderr]   Downloaded rusoto_signature v0.46.0
[INFO] [stderr]   Downloaded rusoto_core v0.46.0
[INFO] [stderr]   Downloaded http-serde v1.0.3
[INFO] [stderr]   Downloaded castaway v0.1.1
[INFO] [stderr]   Downloaded isahc v1.6.0
[INFO] [stderr]   Downloaded rusoto_dynamodb v0.46.0
[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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a4d3b9e4bd436753f449c3afa7164da8f889b4f95a4c490092ed353ac2200b3d
[INFO] running `Command { std: "docker" "start" "-a" "a4d3b9e4bd436753f449c3afa7164da8f889b4f95a4c490092ed353ac2200b3d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a4d3b9e4bd436753f449c3afa7164da8f889b4f95a4c490092ed353ac2200b3d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a4d3b9e4bd436753f449c3afa7164da8f889b4f95a4c490092ed353ac2200b3d", kill_on_drop: false }`
[INFO] [stdout] a4d3b9e4bd436753f449c3afa7164da8f889b4f95a4c490092ed353ac2200b3d
[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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a352bc0f9e4571a873c6ae2a488f780fe738548efc6af2ad3d426dc6f576b065
[INFO] running `Command { std: "docker" "start" "-a" "a352bc0f9e4571a873c6ae2a488f780fe738548efc6af2ad3d426dc6f576b065", 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] [stderr]    Compiling proc-macro2 v1.0.32
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.82
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking futures-io v0.3.18
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking smallvec v1.7.0
[INFO] [stderr]     Checking futures-sink v0.3.18
[INFO] [stderr]    Compiling futures-util v0.3.18
[INFO] [stderr]     Checking fastrand v1.5.0
[INFO] [stderr]     Checking httpdate v1.0.2
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]    Compiling tiny-keccak v2.0.2
[INFO] [stderr]    Compiling hashbrown v0.11.2
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling siphasher v0.3.7
[INFO] [stderr]    Compiling precomputed-hash v0.1.1
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling fixedbitset v0.2.0
[INFO] [stderr]    Compiling signal-hook v0.3.10
[INFO] [stderr]    Compiling either v1.6.1
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[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]    Compiling new_debug_unreachable v1.0.4
[INFO] [stderr]    Compiling diff v0.1.12
[INFO] [stderr]    Compiling pico-args v0.4.2
[INFO] [stderr]     Checking matches v0.1.9
[INFO] [stderr]     Checking unicode-bidi v0.3.7
[INFO] [stderr]    Compiling encoding_rs v0.8.29
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[INFO] [stderr]     Checking difference v2.0.0
[INFO] [stderr]     Checking instant v0.1.12
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[INFO] [stderr]    Compiling tokio v1.14.0
[INFO] [stderr]    Compiling libz-sys v1.1.3
[INFO] [stderr]    Compiling libnghttp2-sys v0.1.7+1.45.0
[INFO] [stderr]    Compiling curl-sys v0.4.51+curl-7.80.0
[INFO] [stderr]     Checking tinyvec v1.5.1
[INFO] [stderr]     Checking async-lock v2.4.0
[INFO] [stderr]     Checking qstring v0.7.2
[INFO] [stderr]    Compiling libc v0.2.108
[INFO] [stderr]     Checking http-body v0.4.4
[INFO] [stderr]     Checking crc32fast v1.2.2
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[INFO] [stderr]     Checking openssl-sys v0.9.71
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[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking dirs-sys-next v0.1.2
[INFO] [stderr]    Compiling rusoto_core v0.46.0
[INFO] [stderr]     Checking tracing-core v0.1.21
[INFO] [stderr]    Compiling itertools v0.10.1
[INFO] [stderr]    Compiling phf_shared v0.8.0
[INFO] [stderr]     Checking form_urlencoded v1.0.1
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[INFO] [stderr]     Checking dirs-next v2.0.0
[INFO] [stderr]    Compiling value-bag v1.0.0-alpha.8
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[INFO] [stderr]     Checking futures-lite v1.12.0
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[INFO] [stderr]     Checking openssl v0.10.38
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[INFO] [stderr]     Checking sha2 v0.9.8
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[INFO] [stderr]     Checking url v2.2.2
[INFO] [stderr]     Checking lalrpop-util v0.19.6
[INFO] [stderr]    Compiling ctor v0.1.21
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling tracing-attributes v0.1.18
[INFO] [stderr]    Compiling futures-macro v0.3.18
[INFO] [stderr]    Compiling tokio-macros v1.6.0
[INFO] [stderr]    Compiling async-trait v0.1.51
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[INFO] [stderr]    Compiling pin-project-internal v1.0.8
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[INFO] [stderr]     Checking kv-log-macro v1.0.7
[INFO] [stderr]     Checking async-io v1.6.0
[INFO] [stderr]    Compiling lalrpop v0.19.6
[INFO] [stderr]     Checking async-global-executor v2.0.2
[INFO] [stderr]     Checking async-process v1.3.0
[INFO] [stderr]     Checking pin-project v1.0.8
[INFO] [stderr]     Checking tracing v0.1.29
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[INFO] [stderr]     Checking futures-executor v0.3.18
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[INFO] [stderr]     Checking tokio-native-tls v0.3.0
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[INFO] [stderr]     Checking serde_json v1.0.72
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking serde_regex v1.1.0
[INFO] [stderr]     Checking bytes v0.5.6
[INFO] [stderr]     Checking http-serde v1.0.3
[INFO] [stderr]     Checking hyper-tls v0.5.0
[INFO] [stderr]     Checking rusoto_credential v0.46.0
[INFO] [stderr]     Checking assert-json-diff v2.0.1
[INFO] [stderr]     Checking aws_lambda_events v0.4.0
[INFO] [stderr]     Checking mu_runtime v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking rusoto_signature v0.46.0
[INFO] [stderr]     Checking rusoto_dynamodb v0.46.0
[INFO] [stderr]    Compiling basic-cookies v0.1.4
[INFO] [stderr]     Checking httpmock v0.5.8
[INFO] [stdout] warning: unused import: `std::panic::panic_any`
[INFO] [stdout]  --> tests/serialization.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::panic::panic_any;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 39.80s
[INFO] running `Command { std: "docker" "inspect" "a352bc0f9e4571a873c6ae2a488f780fe738548efc6af2ad3d426dc6f576b065", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a352bc0f9e4571a873c6ae2a488f780fe738548efc6af2ad3d426dc6f576b065", kill_on_drop: false }`
[INFO] [stdout] a352bc0f9e4571a873c6ae2a488f780fe738548efc6af2ad3d426dc6f576b065