[INFO] fetching crate duet 0.2.0...
[INFO] testing duet-0.2.0 against 1.69.0 for beta-1.70-1
[INFO] extracting crate duet 0.2.0 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate duet 0.2.0 on toolchain 1.69.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.69.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate duet 0.2.0
[INFO] finished tweaking crates.io crate duet 0.2.0
[INFO] tweaked toml for crates.io crate duet 0.2.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate crates.io crate duet 0.2.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.69.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tokio-macros v1.3.0
[INFO] [stderr]   Downloaded polling v2.1.0
[INFO] [stderr]   Downloaded async-global-executor v2.0.2
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[INFO] [stderr]   Downloaded tinyvec v1.4.0
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[INFO] [stderr]   Downloaded async-recursion v0.3.2
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[INFO] [stderr]   Downloaded cc v1.0.69
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[INFO] [stderr]   Downloaded ctrlc v3.2.0
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[INFO] [stderr]   Downloaded nix v0.22.1
[INFO] [stderr]   Downloaded object v0.26.1
[INFO] [stderr]   Downloaded gimli v0.25.0
[INFO] [stderr]   Downloaded color-eyre v0.5.11
[INFO] [stderr]   Downloaded libc v0.2.100
[INFO] [stderr]   Downloaded essrpc_macros v0.4.0
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[INFO] [stderr]   Downloaded atomicwrites v0.3.0
[INFO] [stderr]   Downloaded essrpc v0.4.1
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[INFO] [stderr]   Downloaded futures-util v0.3.16
[INFO] [stderr]   Downloaded value-bag v1.0.0-alpha.7
[INFO] [stderr]   Downloaded parking_lot_core v0.8.3
[INFO] [stderr]   Downloaded parking_lot v0.11.1
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[INFO] [stderr]   Downloaded openssh v0.8.1
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[INFO] [stderr]   Downloaded cargo-lock v7.0.1
[INFO] [stderr]   Downloaded text_io v0.1.9
[INFO] [stderr]   Downloaded built v0.5.1
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[INFO] [stderr]   Downloaded owo-colors v1.3.0
[INFO] [stderr]   Downloaded backtrace v0.3.61
[INFO] [stderr]   Downloaded tracing-error v0.1.2
[INFO] [stderr]   Downloaded zeroize v1.4.1
[INFO] [stderr]   Downloaded dialoguer v0.8.0
[INFO] [stderr]   Downloaded futures-io v0.3.16
[INFO] [stderr]   Downloaded futures-executor v0.3.16
[INFO] [stderr]   Downloaded thread-id v3.3.0
[INFO] [stderr]   Downloaded ctor v0.1.21
[INFO] [stderr]   Downloaded tokio v1.10.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 59c77ad07b3a612836c0fde801c7548ece2daf21fe3895ac3f637f15a73920a0
[INFO] running `Command { std: "docker" "start" "-a" "59c77ad07b3a612836c0fde801c7548ece2daf21fe3895ac3f637f15a73920a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "59c77ad07b3a612836c0fde801c7548ece2daf21fe3895ac3f637f15a73920a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "59c77ad07b3a612836c0fde801c7548ece2daf21fe3895ac3f637f15a73920a0", kill_on_drop: false }`
[INFO] [stdout] 59c77ad07b3a612836c0fde801c7548ece2daf21fe3895ac3f637f15a73920a0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTDOCFLAGS=--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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5a206cc9f5cc9229d74715de7ea5ff2e688889e2a508fa1b6978c3f8322bcd4c
[INFO] running `Command { std: "docker" "start" "-a" "5a206cc9f5cc9229d74715de7ea5ff2e688889e2a508fa1b6978c3f8322bcd4c", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.100
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]    Compiling syn v1.0.75
[INFO] [stderr]    Compiling autocfg v1.0.1
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[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling once_cell v1.8.0
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling futures-core v0.3.16
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling futures-io v0.3.16
[INFO] [stderr]    Compiling tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling slab v0.4.4
[INFO] [stderr]    Compiling value-bag v1.0.0-alpha.7
[INFO] [stderr]    Compiling tinyvec v1.4.0
[INFO] [stderr]    Compiling instant v0.1.10
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling cache-padded v1.1.1
[INFO] [stderr]    Compiling matches v0.1.9
[INFO] [stderr]    Compiling smallvec v1.6.1
[INFO] [stderr]    Compiling concurrent-queue v1.2.2
[INFO] [stderr]    Compiling lock_api v0.4.4
[INFO] [stderr]    Compiling memoffset v0.6.4
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[INFO] [stderr]    Compiling tokio v1.10.0
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[INFO] [stderr]    Compiling fastrand v1.5.0
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[INFO] [stderr]    Compiling async-channel v1.6.1
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[INFO] [stderr]    Compiling color-eyre v0.5.11
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[INFO] [stderr]    Compiling atomicwrites v0.3.0
[INFO] [stderr]    Compiling simple-logging v2.0.2
[INFO] [stderr]    Compiling byte-unit v4.0.12
[INFO] [stderr]    Compiling async-recursion v0.3.2
[INFO] [stderr]    Compiling indicatif v0.16.2
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling shellexpand v2.1.0
[INFO] [stderr]    Compiling colored v2.0.0
[INFO] [stderr]    Compiling fnmatch-regex v0.1.0
[INFO] [stderr]    Compiling filetime v0.2.15
[INFO] [stderr]    Compiling path-clean v0.1.0
[INFO] [stderr]    Compiling tokio-util v0.6.8
[INFO] [stderr]    Compiling readwrite v0.2.0
[INFO] [stderr]    Compiling openssh v0.8.1
[INFO] [stderr]    Compiling pico-args v0.4.2
[INFO] [stderr]    Compiling unix_mode v0.1.2
[INFO] [stderr]    Compiling machine-uid v0.2.0
[INFO] [stderr]    Compiling text_io v0.1.9
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]    Compiling bincode v1.3.3
[INFO] [stderr]    Compiling essrpc v0.4.1
[INFO] [stderr]    Compiling cargo-lock v7.0.1
[INFO] [stderr]    Compiling built v0.5.1
[INFO] [stderr]    Compiling duet v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 47.81s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: cargo-lock v7.0.1
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2`
[INFO] running `Command { std: "docker" "inspect" "5a206cc9f5cc9229d74715de7ea5ff2e688889e2a508fa1b6978c3f8322bcd4c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5a206cc9f5cc9229d74715de7ea5ff2e688889e2a508fa1b6978c3f8322bcd4c", kill_on_drop: false }`
[INFO] [stdout] 5a206cc9f5cc9229d74715de7ea5ff2e688889e2a508fa1b6978c3f8322bcd4c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTDOCFLAGS=--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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8f2fadfd938cdb9d919cfa1c2461171be6eaf12bf2da37a799bbd65735f65d5a
[INFO] running `Command { std: "docker" "start" "-a" "8f2fadfd938cdb9d919cfa1c2461171be6eaf12bf2da37a799bbd65735f65d5a", kill_on_drop: false }`
[INFO] [stderr]    Compiling duet v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0463]: can't find crate for `rand`
[INFO] [stdout]   --> src/rustsync.rs:79:1
[INFO] [stdout]    |
[INFO] [stdout] 79 | extern crate rand;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0463`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `duet` due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "8f2fadfd938cdb9d919cfa1c2461171be6eaf12bf2da37a799bbd65735f65d5a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f2fadfd938cdb9d919cfa1c2461171be6eaf12bf2da37a799bbd65735f65d5a", kill_on_drop: false }`
[INFO] [stdout] 8f2fadfd938cdb9d919cfa1c2461171be6eaf12bf2da37a799bbd65735f65d5a
