[INFO] fetching crate cap-std 0.16.3...
[INFO] testing cap-std-0.16.3 against master#b70888601af92f6cdc0364abab3446e418b91d36 for pr-86479
[INFO] extracting crate cap-std 0.16.3 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate cap-std 0.16.3 on toolchain b70888601af92f6cdc0364abab3446e418b91d36
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cap-std 0.16.3
[INFO] finished tweaking crates.io crate cap-std 0.16.3
[INFO] tweaked toml for crates.io crate cap-std 0.16.3 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d89ea7c5e01d7587c1d26225e0d9cd8ca8ff128e1eab801420a30ec2ae313241
[INFO] running `Command { std: "docker" "start" "-a" "d89ea7c5e01d7587c1d26225e0d9cd8ca8ff128e1eab801420a30ec2ae313241", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d89ea7c5e01d7587c1d26225e0d9cd8ca8ff128e1eab801420a30ec2ae313241", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d89ea7c5e01d7587c1d26225e0d9cd8ca8ff128e1eab801420a30ec2ae313241", kill_on_drop: false }`
[INFO] [stdout] d89ea7c5e01d7587c1d26225e0d9cd8ca8ff128e1eab801420a30ec2ae313241
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] deb1542bac923014beba912f09ec969c6af98a359e76612640867dcfc8883717
[INFO] running `Command { std: "docker" "start" "-a" "deb1542bac923014beba912f09ec969c6af98a359e76612640867dcfc8883717", kill_on_drop: false }`
[INFO] [stderr]    Compiling semver v1.0.4
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling once_cell v1.8.0
[INFO] [stderr]    Compiling linux-raw-sys v0.0.17
[INFO] [stderr]    Compiling itoa v0.4.7
[INFO] [stderr]    Compiling maybe-owned v0.3.4
[INFO] [stderr]    Compiling ambient-authority v0.0.1
[INFO] [stderr]    Compiling ipnet v2.3.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling cstr v0.2.8
[INFO] [stderr]    Compiling io-lifetimes v0.2.0
[INFO] [stderr]    Compiling posish v0.16.4
[INFO] [stderr]    Compiling unsafe-io v0.7.1
[INFO] [stderr]    Compiling cap-primitives v0.16.3
[INFO] [stderr]    Compiling cap-std v0.16.3 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling fs-set-times v0.6.0
[INFO] [stdout] warning: the feature `seek_convenience` has been stable since 1.51.0 and no longer requires an attribute to enable
[INFO] [stdout]   --> src/lib.rs:28:39
[INFO] [stdout]    |
[INFO] [stdout] 28 | #![cfg_attr(seek_convenience, feature(seek_convenience))]
[INFO] [stdout]    |                                       ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(stable_features)]` 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 8.23s
[INFO] running `Command { std: "docker" "inspect" "deb1542bac923014beba912f09ec969c6af98a359e76612640867dcfc8883717", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "deb1542bac923014beba912f09ec969c6af98a359e76612640867dcfc8883717", kill_on_drop: false }`
[INFO] [stdout] deb1542bac923014beba912f09ec969c6af98a359e76612640867dcfc8883717
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a74b7889a15633a1614711c426202c0337212f44bb382687a3cec4c753198c8a
[INFO] running `Command { std: "docker" "start" "-a" "a74b7889a15633a1614711c426202c0337212f44bb382687a3cec4c753198c8a", kill_on_drop: false }`
[INFO] [stderr]    Compiling cap-std v0.16.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the feature `seek_convenience` has been stable since 1.51.0 and no longer requires an attribute to enable
[INFO] [stdout]   --> src/lib.rs:28:39
[INFO] [stdout]    |
[INFO] [stdout] 28 | #![cfg_attr(seek_convenience, feature(seek_convenience))]
[INFO] [stdout]    |                                       ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `seek_convenience` has been stable since 1.51.0 and no longer requires an attribute to enable
[INFO] [stdout]   --> src/lib.rs:28:39
[INFO] [stdout]    |
[INFO] [stdout] 28 | #![cfg_attr(seek_convenience, feature(seek_convenience))]
[INFO] [stdout]    |                                       ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.74s
[INFO] running `Command { std: "docker" "inspect" "a74b7889a15633a1614711c426202c0337212f44bb382687a3cec4c753198c8a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a74b7889a15633a1614711c426202c0337212f44bb382687a3cec4c753198c8a", kill_on_drop: false }`
[INFO] [stdout] a74b7889a15633a1614711c426202c0337212f44bb382687a3cec4c753198c8a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c6cad953efa25db4db316bd68776340d506390a283e2c47c6b4e5ed0e878ef8d
[INFO] running `Command { std: "docker" "start" "-a" "c6cad953efa25db4db316bd68776340d506390a283e2c47c6b4e5ed0e878ef8d", kill_on_drop: false }`
[INFO] [stderr] warning: the feature `seek_convenience` has been stable since 1.51.0 and no longer requires an attribute to enable
[INFO] [stderr]   --> src/lib.rs:28:39
[INFO] [stderr]    |
[INFO] [stderr] 28 | #![cfg_attr(seek_convenience, feature(seek_convenience))]
[INFO] [stderr]    |                                       ^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(stable_features)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `cap-std` (lib) generated 1 warning
[INFO] [stderr] warning: `cap-std` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/cap_std-909436954726f7f5)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests cap-std
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "c6cad953efa25db4db316bd68776340d506390a283e2c47c6b4e5ed0e878ef8d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c6cad953efa25db4db316bd68776340d506390a283e2c47c6b4e5ed0e878ef8d", kill_on_drop: false }`
[INFO] [stdout] c6cad953efa25db4db316bd68776340d506390a283e2c47c6b4e5ed0e878ef8d