[INFO] fetching crate asking 0.0.1...
[INFO] checking asking-0.0.1 against try#a7a572ce3edd6d476191fbfe92c9c1986e009b34 for pr-87190-3
[INFO] extracting crate asking 0.0.1 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate asking 0.0.1 on toolchain a7a572ce3edd6d476191fbfe92c9c1986e009b34
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate asking 0.0.1
[INFO] finished tweaking crates.io crate asking 0.0.1
[INFO] tweaked toml for crates.io crate asking 0.0.1 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate crates.io crate asking 0.0.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded assert_cmd v2.0.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7c11fe9b85341260455e371867797317c2463ee1e7c204321522a483b5ca09d1
[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" "7c11fe9b85341260455e371867797317c2463ee1e7c204321522a483b5ca09d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7c11fe9b85341260455e371867797317c2463ee1e7c204321522a483b5ca09d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c11fe9b85341260455e371867797317c2463ee1e7c204321522a483b5ca09d1", kill_on_drop: false }`
[INFO] [stdout] 7c11fe9b85341260455e371867797317c2463ee1e7c204321522a483b5ca09d1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "check" "--frozen" "--all" "--all-targets" "--message-format=json", 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] 82dc24c6ddfe2e99f47f2f3920c99b2761ec3f145bf33a47a47dd05069888ce0
[INFO] running `Command { std: "docker" "start" "-a" "82dc24c6ddfe2e99f47f2f3920c99b2761ec3f145bf33a47a47dd05069888ce0", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] Running `cargo fix --edition`
[INFO] [stderr] note: Switching to Edition 2021 will enable the use of the version 2 feature resolver in Cargo.
[INFO] [stderr] This may cause some dependencies to be built with fewer features enabled than previously.
[INFO] [stderr] More information about the resolver changes may be found at https://doc.rust-lang.org/nightly/edition-guide/rust-2021/default-cargo-resolver.html
[INFO] [stderr] When building the following dependencies, the given features will no longer be used:
[INFO] [stderr] 
[INFO] [stderr]   async-std v1.9.0: async-attributes, async-process, attributes, unstable
[INFO] [stderr]   syn v1.0.74 (as host dependency): visit
[INFO] [stderr] 
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling futures-core v0.3.16
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]     Checking event-listener v2.5.1
[INFO] [stderr]     Checking futures-io v0.3.16
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking cache-padded v1.1.1
[INFO] [stderr]     Checking waker-fn v1.1.0
[INFO] [stderr]     Checking fastrand v1.5.0
[INFO] [stderr]     Checking parking v2.0.0
[INFO] [stderr]     Checking pin-project-lite v0.2.7
[INFO] [stderr]     Checking once_cell v1.8.0
[INFO] [stderr]     Checking slab v0.4.4
[INFO] [stderr]    Compiling signal-hook v0.3.9
[INFO] [stderr]     Checking async-task v4.0.3
[INFO] [stderr]     Checking atomic-waker v1.0.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling eyre v0.6.5
[INFO] [stderr]     Checking predicates-core v1.0.2
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]     Checking difflib v0.4.0
[INFO] [stderr]     Checking treeline v0.1.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]     Checking indenter v0.3.3
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]     Checking async-mutex v1.4.0
[INFO] [stderr]     Checking async-lock v2.4.0
[INFO] [stderr]     Checking simple-mutex v1.1.5
[INFO] [stderr]     Checking concurrent-queue v1.2.2
[INFO] [stderr]     Checking itertools v0.10.1
[INFO] [stderr]     Checking predicates-tree v1.0.3
[INFO] [stderr]     Checking async-dup v1.2.2
[INFO] [stderr]     Checking async-channel v1.6.1
[INFO] [stderr]    Compiling value-bag v1.0.0-alpha.7
[INFO] [stderr]     Checking futures-lite v1.12.0
[INFO] [stderr]     Checking bstr v0.2.16
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking socket2 v0.4.1
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking wait-timeout v0.2.0
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]     Checking predicates v2.0.1
[INFO] [stderr]     Checking async-executor v1.4.1
[INFO] [stderr]     Checking blocking v1.0.2
[INFO] [stderr]     Checking assert_cmd v2.0.0
[INFO] [stderr]    Compiling ctor v0.1.20
[INFO] [stderr]    Compiling async-attributes v1.1.2
[INFO] [stderr]    Compiling thiserror-impl v1.0.26
[INFO] [stderr]     Checking polling v2.1.0
[INFO] [stderr]     Checking kv-log-macro v1.0.7
[INFO] [stderr]     Checking thiserror v1.0.26
[INFO] [stderr]     Checking async-io v1.6.0
[INFO] [stderr]     Checking async-global-executor v2.0.2
[INFO] [stderr]     Checking async-process v1.2.0
[INFO] [stderr]     Checking async-std v1.9.0
[INFO] [stderr]     Checking asking v0.0.1 (/tmp/fixit)
[INFO] [stderr]    Migrating src/lib.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating tests/constrain.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating tests/attempts.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating examples/guessing_game.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating examples/constrain.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating examples/inside.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating examples/select.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating examples/date.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating tests/silent_error.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating tests/app.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating tests/testing.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating tests/extern_struct.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating tests/inside.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating examples/silent_error.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating examples/file/main.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating examples/extern_struct.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating examples/app.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating examples/testing.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating tests/select.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating examples/timeout.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating examples/attempts.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating examples/yn.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating tests/date.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating tests/yn.rs from 2018 edition to 2021
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 36.79s
[INFO] [stderr] Running `cargo check` to verify 2021
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling ctor v0.1.20
[INFO] [stderr]    Compiling thiserror-impl v1.0.26
[INFO] [stderr]    Compiling async-attributes v1.1.2
[INFO] [stderr]     Checking value-bag v1.0.0-alpha.7
[INFO] [stderr]     Checking log v0.4.14
[INFO] [stderr]     Checking polling v2.1.0
[INFO] [stderr]     Checking kv-log-macro v1.0.7
[INFO] [stderr]     Checking async-io v1.6.0
[INFO] [stderr]     Checking thiserror v1.0.26
[INFO] [stderr]     Checking async-global-executor v2.0.2
[INFO] [stderr]     Checking async-process v1.2.0
[INFO] [stderr]     Checking async-std v1.9.0
[INFO] [stderr]     Checking asking v0.0.1 (/tmp/fixit)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 21.70s
[INFO] running `Command { std: "docker" "inspect" "82dc24c6ddfe2e99f47f2f3920c99b2761ec3f145bf33a47a47dd05069888ce0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "82dc24c6ddfe2e99f47f2f3920c99b2761ec3f145bf33a47a47dd05069888ce0", kill_on_drop: false }`
[INFO] [stdout] 82dc24c6ddfe2e99f47f2f3920c99b2761ec3f145bf33a47a47dd05069888ce0