[INFO] fetching crate arc-swap-for-cow 1.7.1...
[INFO] checking arc-swap-for-cow-1.7.1 against master#ff1737bb00913444173658b4e0b274fd79aabf66 for pr-132712-1
[INFO] extracting crate arc-swap-for-cow 1.7.1 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate arc-swap-for-cow 1.7.1 on toolchain ff1737bb00913444173658b4e0b274fd79aabf66
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ff1737bb00913444173658b4e0b274fd79aabf66" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate arc-swap-for-cow 1.7.1
[INFO] finished tweaking crates.io crate arc-swap-for-cow 1.7.1
[INFO] tweaked toml for crates.io crate arc-swap-for-cow 1.7.1 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ff1737bb00913444173658b4e0b274fd79aabf66" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 106 packages to latest compatible versions
[INFO] [stderr]       Adding itertools v0.12.1 (available: v0.13.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ff1737bb00913444173658b4e0b274fd79aabf66" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded is-terminal v0.4.13
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+ff1737bb00913444173658b4e0b274fd79aabf66" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c04ee82655ce04fb70480608256edac2677630fb55bc145aed23f858269bb199
[INFO] running `Command { std: "docker" "start" "-a" "c04ee82655ce04fb70480608256edac2677630fb55bc145aed23f858269bb199", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c04ee82655ce04fb70480608256edac2677630fb55bc145aed23f858269bb199", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c04ee82655ce04fb70480608256edac2677630fb55bc145aed23f858269bb199", kill_on_drop: false }`
[INFO] [stdout] c04ee82655ce04fb70480608256edac2677630fb55bc145aed23f858269bb199
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=allow" "-e" "RUSTDOCFLAGS=--cap-lints=allow" "-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+ff1737bb00913444173658b4e0b274fd79aabf66" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a63548f6ecfcb3d0aa5f4f6831197bdcae84f8efc72394d3ff84aa407239691e
[INFO] running `Command { std: "docker" "start" "-a" "a63548f6ecfcb3d0aa5f4f6831197bdcae84f8efc72394d3ff84aa407239691e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.164
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[INFO] [stderr]     Checking arc-swap-for-cow v1.7.1 (/opt/rustwide/workdir)
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[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `arc_swap`
[INFO] [stdout]  --> benches/track.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use arc_swap::access::{Access, Map};
[INFO] [stdout]   |     ^^^^^^^^ use of undeclared crate or module `arc_swap`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `arc_swap`
[INFO] [stdout]   --> benches/track.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use arc_swap::cache::Cache;
[INFO] [stdout]    |     ^^^^^^^^ use of undeclared crate or module `arc_swap`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `arc_swap`
[INFO] [stdout]   --> tests/stress.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use arc_swap::strategy::{CaS, DefaultStrategy, IndependentStrategy, Strategy};
[INFO] [stdout]    |     ^^^^^^^^ use of undeclared crate or module `arc_swap`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `arc_swap`
[INFO] [stdout]  --> benches/int-access.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use arc_swap::ArcSwap;
[INFO] [stdout]   |     ^^^^^^^^ use of undeclared crate or module `arc_swap`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `arc_swap`
[INFO] [stdout]   --> benches/track.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use arc_swap::ArcSwap;
[INFO] [stdout]    |     ^^^^^^^^ use of undeclared crate or module `arc_swap`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `arc_swap`
[INFO] [stdout]   --> tests/stress.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use arc_swap::ArcSwapAny;
[INFO] [stdout]    |     ^^^^^^^^ use of undeclared crate or module `arc_swap`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `arc_swap`
[INFO] [stdout]  --> tests/random.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use arc_swap::{ArcSwapAny, DefaultStrategy, IndependentStrategy};
[INFO] [stdout]   |     ^^^^^^^^ use of undeclared crate or module `arc_swap`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `arc_swap`
[INFO] [stdout]  --> benches/background.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use arc_swap::{ArcSwap, ArcSwapOption, Cache};
[INFO] [stdout]   |     ^^^^^^^^ use of undeclared crate or module `arc_swap`
[INFO] [stdout]   |
[INFO] [stdout] help: there is a crate or module with a similar name
[INFO] [stdout]   |
[INFO] [stdout] 4 | use arc_swap_b::{ArcSwap, ArcSwapOption, Cache};
[INFO] [stdout]   |     ~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0433.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `arc-swap-for-cow` (bench "int-access") due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `arc-swap-for-cow` (test "stress") due to 2 previous errors
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0433.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `arc-swap-for-cow` (test "random") due to 1 previous error
[INFO] [stderr] error: could not compile `arc-swap-for-cow` (bench "track") due to 3 previous errors
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `arc-swap-for-cow` (bench "background") due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "a63548f6ecfcb3d0aa5f4f6831197bdcae84f8efc72394d3ff84aa407239691e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a63548f6ecfcb3d0aa5f4f6831197bdcae84f8efc72394d3ff84aa407239691e", kill_on_drop: false }`
[INFO] [stdout] a63548f6ecfcb3d0aa5f4f6831197bdcae84f8efc72394d3ff84aa407239691e