[INFO] fetching crate rustscan 1.10.0...
[INFO] checking rustscan-1.10.0 against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526
[INFO] extracting crate rustscan 1.10.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate rustscan 1.10.0 on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rustscan 1.10.0
[INFO] finished tweaking crates.io crate rustscan 1.10.0
[INFO] tweaked toml for crates.io crate rustscan 1.10.0 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate crates.io crate rustscan 1.10.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--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 enum-as-inner v0.3.3
[INFO] [stderr]   Downloaded trust-dns-resolver v0.19.5
[INFO] [stderr]   Downloaded cidr-utils v0.5.0
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[INFO] [stderr]   Downloaded pin-project-internal v0.4.23
[INFO] [stderr]   Downloaded trust-dns-proto v0.19.5
[INFO] [stderr]   Downloaded parking v2.0.0
[INFO] [stderr]   Downloaded cache-padded v1.1.1
[INFO] [stderr]   Downloaded async-executor v1.1.1
[INFO] [stderr]   Downloaded async-global-executor v1.0.2
[INFO] [stderr]   Downloaded concurrent-queue v1.2.2
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[INFO] [stderr]   Downloaded clap v2.33.2
[INFO] [stderr]   Downloaded syn v1.0.38
[INFO] [stderr]   Downloaded pin-project v0.4.23
[INFO] [stderr]   Downloaded colorful v0.2.1
[INFO] [stderr]   Downloaded colored v2.0.0
[INFO] [stderr]   Downloaded gcd v2.0.1
[INFO] [stderr]   Downloaded async-trait v0.1.40
[INFO] [stderr]   Downloaded rlimit v0.4.0
[INFO] [stderr]   Downloaded async-mutex v1.1.5
[INFO] [stderr]   Downloaded blocking v1.0.0
[INFO] [stderr]   Downloaded wasm-bindgen-futures v0.4.17
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[INFO] [stderr]   Downloaded async-io v1.1.0
[INFO] [stderr]   Downloaded async-std v1.6.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "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] 969b0e6f6dbbe7b5c180e6c3185f54ab6f96a39956677b627f8e18ddc4e87262
[INFO] running `Command { std: "docker" "start" "-a" "969b0e6f6dbbe7b5c180e6c3185f54ab6f96a39956677b627f8e18ddc4e87262", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "969b0e6f6dbbe7b5c180e6c3185f54ab6f96a39956677b627f8e18ddc4e87262", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "969b0e6f6dbbe7b5c180e6c3185f54ab6f96a39956677b627f8e18ddc4e87262", kill_on_drop: false }`
[INFO] [stdout] 969b0e6f6dbbe7b5c180e6c3185f54ab6f96a39956677b627f8e18ddc4e87262
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 07bfcf1661da9c07e650d92508054053725a136ccd24253a4570fef4957e1d1f
[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" "07bfcf1661da9c07e650d92508054053725a136ccd24253a4570fef4957e1d1f", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking once_cell v1.4.1
[INFO] [stderr]    Compiling proc-macro-nested v0.1.6
[INFO] [stderr]     Checking cache-padded v1.1.1
[INFO] [stderr]     Checking parking v2.0.0
[INFO] [stderr]    Compiling proc-macro-hack v0.5.18
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking waker-fn v1.0.0
[INFO] [stderr]     Checking gimli v0.22.0
[INFO] [stderr]     Checking adler v0.2.3
[INFO] [stderr]     Checking object v0.20.0
[INFO] [stderr]     Checking match_cfg v0.1.0
[INFO] [stderr]     Checking vec-arena v1.0.0
[INFO] [stderr]     Checking half v1.6.0
[INFO] [stderr]     Checking atomic-waker v1.0.0
[INFO] [stderr]     Checking oorandom v11.1.2
[INFO] [stderr]     Checking debug-helper v0.3.10
[INFO] [stderr]     Checking gcd v2.0.1
[INFO] [stderr]     Checking shell-words v1.0.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking async-mutex v1.1.5
[INFO] [stderr]     Checking itertools v0.9.0
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[INFO] [stderr]    Compiling proc-macro2 v1.0.19
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[INFO] [stderr]     Checking socket2 v0.3.12
[INFO] [stderr]     Checking hostname v0.3.1
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[INFO] [stderr]    Compiling num-integer v0.1.43
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[INFO] [stderr]     Checking polling v1.0.3
[INFO] [stderr]     Checking mio v0.6.22
[INFO] [stderr]     Checking kv-log-macro v1.0.7
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking url v2.1.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking async-io v1.1.0
[INFO] [stderr]     Checking async-executor v1.1.1
[INFO] [stderr]     Checking blocking v1.0.0
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]     Checking tinytemplate v1.1.0
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]    Compiling syn v1.0.38
[INFO] [stderr]     Checking criterion-plot v0.4.3
[INFO] [stderr]     Checking tokio v0.2.22
[INFO] [stderr]     Checking bstr v0.2.13
[INFO] [stderr]     Checking async-global-executor v1.0.2
[INFO] [stderr]     Checking env_logger v0.7.1
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[INFO] [stderr]     Checking async-std v1.6.4
[INFO] [stderr]     Checking crossbeam-deque v0.7.3
[INFO] [stderr]     Checking plotters v0.2.15
[INFO] [stderr]     Checking addr2line v0.13.0
[INFO] [stderr]     Checking rayon-core v1.8.1
[INFO] [stderr]     Checking csv v1.1.3
[INFO] [stderr]     Checking backtrace v0.3.50
[INFO] [stderr]     Checking cidr-utils v0.5.0
[INFO] [stderr]    Compiling pin-project-internal v0.4.23
[INFO] [stderr]    Compiling futures-macro v0.3.5
[INFO] [stderr]    Compiling thiserror-impl v1.0.20
[INFO] [stderr]    Compiling enum-as-inner v0.3.3
[INFO] [stderr]    Compiling async-trait v0.1.40
[INFO] [stderr]    Compiling serde_derive v1.0.116
[INFO] [stderr]    Compiling structopt-derive v0.4.11
[INFO] [stderr]     Checking thiserror v1.0.20
[INFO] [stderr]     Checking structopt v0.3.18
[INFO] [stderr]     Checking pin-project v0.4.23
[INFO] [stderr]     Checking futures-util v0.3.5
[INFO] [stderr]     Checking criterion v0.3.3
[INFO] [stderr]     Checking futures-executor v0.3.5
[INFO] [stderr]     Checking futures v0.3.5
[INFO] [stderr]     Checking trust-dns-proto v0.19.5
[INFO] [stderr]     Checking trust-dns-resolver v0.19.5
[INFO] [stderr]     Checking rustscan v1.10.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `rustscan`
[INFO] [stdout]  --> benches/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use rustscan::*;
[INFO] [stdout]   |     ^^^^^^^^ use of undeclared crate or module `rustscan`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `fibonacci` in this scope
[INFO] [stdout]  --> benches/main.rs:5:46
[INFO] [stdout]   |
[INFO] [stdout] 5 |     c.bench_function("fib 20", |b| b.iter(|| fibonacci(black_box(20))));
[INFO] [stdout]   |                                              ^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0425, E0432.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0425`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rustscan`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "07bfcf1661da9c07e650d92508054053725a136ccd24253a4570fef4957e1d1f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "07bfcf1661da9c07e650d92508054053725a136ccd24253a4570fef4957e1d1f", kill_on_drop: false }`
[INFO] [stdout] 07bfcf1661da9c07e650d92508054053725a136ccd24253a4570fef4957e1d1f