[INFO] fetching crate crate-index 0.1.0...
[INFO] checking crate-index-0.1.0 against master#4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5 for pr-81174
[INFO] extracting crate crate-index 0.1.0 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate crate-index 0.1.0 on toolchain 4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate crate-index 0.1.0
[INFO] finished tweaking crates.io crate crate-index 0.1.0
[INFO] tweaked toml for crates.io crate crate-index 0.1.0 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "fetch" "--locked" "--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-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 47cc1ae49ddfc2ba43cc070105c6f9800e020381ee22e0444b78ecbeefcce39f
[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" "47cc1ae49ddfc2ba43cc070105c6f9800e020381ee22e0444b78ecbeefcce39f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "47cc1ae49ddfc2ba43cc070105c6f9800e020381ee22e0444b78ecbeefcce39f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "47cc1ae49ddfc2ba43cc070105c6f9800e020381ee22e0444b78ecbeefcce39f", kill_on_drop: false }`
[INFO] [stdout] 47cc1ae49ddfc2ba43cc070105c6f9800e020381ee22e0444b78ecbeefcce39f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5a27073353f2716d8ab22b5107a28ab89701cab0cfb37d7a60c2f75533ae10bd
[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" "5a27073353f2716d8ab22b5107a28ab89701cab0cfb37d7a60c2f75533ae10bd", kill_on_drop: false }`
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling log v0.4.13
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking parking v2.0.0
[INFO] [stderr]     Checking futures-io v0.3.12
[INFO] [stderr]     Checking fastrand v1.4.0
[INFO] [stderr]     Checking event-listener v2.5.1
[INFO] [stderr]     Checking waker-fn v1.1.0
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]     Checking vec-arena v1.0.0
[INFO] [stderr]     Checking async-task v4.0.3
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking openssl-probe v0.1.2
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking futures-task v0.3.12
[INFO] [stderr]     Checking form_urlencoded v1.0.0
[INFO] [stderr]    Compiling test-case v1.1.0
[INFO] [stderr]    Compiling libc v0.2.82
[INFO] [stderr]     Checking nb-connect v1.0.2
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]     Checking async-channel v1.5.1
[INFO] [stderr]     Checking async-mutex v1.4.0
[INFO] [stderr]     Checking async-lock v2.3.0
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]     Checking itertools v0.8.2
[INFO] [stderr]     Checking futures-lite v1.11.3
[INFO] [stderr]    Compiling crossbeam-utils v0.8.1
[INFO] [stderr]     Checking rand_core v0.6.1
[INFO] [stderr]     Checking polling v2.0.2
[INFO] [stderr]     Checking kv-log-macro v1.0.7
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]     Checking rand v0.8.3
[INFO] [stderr]    Compiling jobserver v0.1.21
[INFO] [stderr]    Compiling cc v1.0.66
[INFO] [stderr]     Checking async-executor v1.4.0
[INFO] [stderr]     Checking async-io v1.3.1
[INFO] [stderr]     Checking blocking v1.0.2
[INFO] [stderr]     Checking async-global-executor v2.0.2
[INFO] [stderr]     Checking tempfile v3.2.0
[INFO] [stderr]    Compiling openssl-sys v0.9.60
[INFO] [stderr]    Compiling libz-sys v1.1.2
[INFO] [stderr]    Compiling libssh2-sys v0.2.20
[INFO] [stderr]    Compiling libgit2-sys v0.10.0
[INFO] [stderr]    Compiling serde_derive v1.0.123
[INFO] [stderr]    Compiling async-attributes v1.1.2
[INFO] [stderr]    Compiling futures-macro v0.3.12
[INFO] [stderr]    Compiling thiserror-impl v1.0.23
[INFO] [stderr]     Checking async-std v1.9.0
[INFO] [stderr]     Checking futures-util v0.3.12
[INFO] [stderr]     Checking thiserror v1.0.23
[INFO] [stderr]     Checking serde v1.0.123
[INFO] [stderr]     Checking url v2.2.0
[INFO] [stderr]     Checking serde_json v1.0.61
[INFO] [stderr]     Checking semver v0.9.0
[INFO] [stderr]     Checking git2 v0.11.0
[INFO] [stderr]     Checking crate-index v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 51s
[INFO] running `Command { std: "docker" "inspect" "5a27073353f2716d8ab22b5107a28ab89701cab0cfb37d7a60c2f75533ae10bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5a27073353f2716d8ab22b5107a28ab89701cab0cfb37d7a60c2f75533ae10bd", kill_on_drop: false }`
[INFO] [stdout] 5a27073353f2716d8ab22b5107a28ab89701cab0cfb37d7a60c2f75533ae10bd