[INFO] fetching crate seed_comp_helpers 0.0.3...
[INFO] checking seed_comp_helpers-0.0.3 against master#836c31742687ba4e2f857b5b698e1e9e6b67619c for pr-81789
[INFO] extracting crate seed_comp_helpers 0.0.3 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate seed_comp_helpers 0.0.3 on toolchain 836c31742687ba4e2f857b5b698e1e9e6b67619c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate seed_comp_helpers 0.0.3
[INFO] finished tweaking crates.io crate seed_comp_helpers 0.0.3
[INFO] tweaked toml for crates.io crate seed_comp_helpers 0.0.3 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "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" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "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-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "metadata" "--no-deps" "--format-version=1", 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] 33a09b79f7e2b9db961aafb78363b7096b7280a69e1a9dc653ffbb0dc84a9291
[INFO] running `Command { std: "docker" "start" "-a" "33a09b79f7e2b9db961aafb78363b7096b7280a69e1a9dc653ffbb0dc84a9291", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "33a09b79f7e2b9db961aafb78363b7096b7280a69e1a9dc653ffbb0dc84a9291", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "33a09b79f7e2b9db961aafb78363b7096b7280a69e1a9dc653ffbb0dc84a9291", kill_on_drop: false }`
[INFO] [stdout] 33a09b79f7e2b9db961aafb78363b7096b7280a69e1a9dc653ffbb0dc84a9291
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "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] 34b30711fc37d95ea008cdac0e33adeadc595a8ff8ada8e06b1563ade71fb899
[INFO] running `Command { std: "docker" "start" "-a" "34b30711fc37d95ea008cdac0e33adeadc595a8ff8ada8e06b1563ade71fb899", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.70
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.73
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling serde_derive v1.0.125
[INFO] [stderr]    Compiling bumpalo v3.6.1
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]    Compiling wasm-bindgen v0.2.73
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]    Compiling libc v0.2.93
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]     Checking futures-task v0.3.14
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]     Checking futures-io v0.3.14
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling pulldown-cmark v0.6.1
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking enclose v1.1.8
[INFO] [stderr]     Checking slotmap v0.4.0
[INFO] [stderr]    Compiling proc-macro-error-attr v0.4.12
[INFO] [stderr]    Compiling proc-macro-error v0.4.12
[INFO] [stderr]    Compiling seed v0.5.1
[INFO] [stderr]     Checking futures-channel v0.3.14
[INFO] [stderr]     Checking owning_ref v0.4.1
[INFO] [stderr]    Compiling dbg v1.0.4
[INFO] [stderr]     Checking getopts v0.2.21
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]    Compiling indexmap v1.6.2
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking cookie v0.12.0
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.73
[INFO] [stderr]    Compiling syn-mid v0.5.3
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.73
[INFO] [stderr]    Compiling futures-macro v0.3.14
[INFO] [stderr]    Compiling topo-macro v0.9.0
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.73
[INFO] [stderr]    Compiling illicit-macro v0.9.0
[INFO] [stderr]     Checking futures-util v0.3.14
[INFO] [stderr]     Checking illicit v0.9.2
[INFO] [stderr]     Checking topo v0.9.4
[INFO] [stderr]     Checking comp_state v0.0.6
[INFO] [stderr]     Checking futures-executor v0.3.14
[INFO] [stderr]     Checking futures v0.3.14
[INFO] [stderr]     Checking serde v1.0.125
[INFO] [stderr]     Checking js-sys v0.3.50
[INFO] [stderr]     Checking console_error_panic_hook v0.1.6
[INFO] [stderr]     Checking web-sys v0.3.50
[INFO] [stderr]     Checking wasm-bindgen-futures v0.4.23
[INFO] [stderr]     Checking gloo-timers v0.2.1
[INFO] [stderr]     Checking seed_comp_helpers v0.0.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the feature `track_caller` has been stable since 1.46.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(track_caller)]
[INFO] [stdout]   |            ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `track_caller` has been stable since 1.46.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(track_caller)]
[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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 24s
[INFO] running `Command { std: "docker" "inspect" "34b30711fc37d95ea008cdac0e33adeadc595a8ff8ada8e06b1563ade71fb899", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "34b30711fc37d95ea008cdac0e33adeadc595a8ff8ada8e06b1563ade71fb899", kill_on_drop: false }`
[INFO] [stdout] 34b30711fc37d95ea008cdac0e33adeadc595a8ff8ada8e06b1563ade71fb899