[INFO] fetching crate ignorance 0.1.0...
[INFO] checking ignorance-0.1.0 against try#8de4b308b608cded0ebccf658a0fc719bce87d4e for pr-89056
[INFO] extracting crate ignorance 0.1.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate ignorance 0.1.0 on toolchain 8de4b308b608cded0ebccf658a0fc719bce87d4e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ignorance 0.1.0
[INFO] finished tweaking crates.io crate ignorance 0.1.0
[INFO] tweaked toml for crates.io crate ignorance 0.1.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate ignorance 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded loading v0.1.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9aecb4abd1798f802f6259cdd1b02efc747113272c9749443f8dfd1f3ac0aa5f
[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" "9aecb4abd1798f802f6259cdd1b02efc747113272c9749443f8dfd1f3ac0aa5f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9aecb4abd1798f802f6259cdd1b02efc747113272c9749443f8dfd1f3ac0aa5f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9aecb4abd1798f802f6259cdd1b02efc747113272c9749443f8dfd1f3ac0aa5f", kill_on_drop: false }`
[INFO] [stdout] 9aecb4abd1798f802f6259cdd1b02efc747113272c9749443f8dfd1f3ac0aa5f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "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] 791ac924817af6af7851afc0ee2b9876b955df1834935e383aed12cb5ef0fca5
[INFO] running `Command { std: "docker" "start" "-a" "791ac924817af6af7851afc0ee2b9876b955df1834935e383aed12cb5ef0fca5", kill_on_drop: false }`
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking itoa v0.4.8
[INFO] [stderr]     Checking foreign-types-shared v0.1.1
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking futures-sink v0.3.17
[INFO] [stderr]     Checking tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking mime v0.3.16
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]     Checking loading v0.1.2
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]    Compiling openssl-sys v0.9.66
[INFO] [stderr]    Compiling tokio v1.11.0
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling futures-util v0.3.17
[INFO] [stderr]     Checking itertools v0.10.1
[INFO] [stderr]     Checking instant v0.1.10
[INFO] [stderr]     Checking tinyvec v1.3.1
[INFO] [stderr]     Checking foreign-types v0.3.2
[INFO] [stderr]     Checking memchr v2.4.1
[INFO] [stderr]     Checking log v0.4.14
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking tracing-core v0.1.19
[INFO] [stderr]     Checking lock_api v0.4.5
[INFO] [stderr]     Checking encoding_rs v0.8.28
[INFO] [stderr]     Checking http v0.2.4
[INFO] [stderr]     Checking form_urlencoded v1.0.1
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking socket2 v0.4.1
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking dirs v1.0.5
[INFO] [stderr]     Checking parking_lot_core v0.8.5
[INFO] [stderr]     Checking futures-channel v0.3.17
[INFO] [stderr]     Checking mio v0.7.13
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking float-cmp v0.9.0
[INFO] [stderr]     Checking tracing v0.1.26
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking bstr v0.2.16
[INFO] [stderr]     Checking serde_urlencoded v0.7.0
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]    Compiling openssl v0.10.36
[INFO] [stderr]    Compiling native-tls v0.2.8
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]     Checking unicode-normalization v0.1.19
[INFO] [stderr]     Checking tempfile v3.2.0
[INFO] [stderr]     Checking http-body v0.4.3
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking idna v0.2.3
[INFO] [stderr]     Checking url v2.2.2
[INFO] [stderr]     Checking predicates v2.0.2
[INFO] [stderr]     Checking assert_cmd v2.0.1
[INFO] [stderr]    Compiling tokio-macros v1.3.0
[INFO] [stderr]     Checking tokio-util v0.6.8
[INFO] [stderr]     Checking tokio-native-tls v0.3.0
[INFO] [stderr]     Checking h2 v0.3.4
[INFO] [stderr]     Checking hyper v0.14.12
[INFO] [stderr]     Checking hyper-tls v0.5.0
[INFO] [stderr]     Checking reqwest v0.11.4
[INFO] [stderr]     Checking ignorance v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 56.08s
[INFO] running `Command { std: "docker" "inspect" "791ac924817af6af7851afc0ee2b9876b955df1834935e383aed12cb5ef0fca5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "791ac924817af6af7851afc0ee2b9876b955df1834935e383aed12cb5ef0fca5", kill_on_drop: false }`
[INFO] [stdout] 791ac924817af6af7851afc0ee2b9876b955df1834935e383aed12cb5ef0fca5