[INFO] fetching crate conserve 0.6.5...
[INFO] checking conserve-0.6.5 against try#d990716b6a1fdde1300748828a9c9e79dfd0b898 for pr-74846
[INFO] extracting crate conserve 0.6.5 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate conserve 0.6.5 on toolchain d990716b6a1fdde1300748828a9c9e79dfd0b898
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate conserve 0.6.5
[INFO] finished tweaking crates.io crate conserve 0.6.5
[INFO] tweaked toml for crates.io crate conserve 0.6.5 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate crates.io crate conserve 0.6.5 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded utime v0.3.1
[INFO] [stderr]   Downloaded assert_fs v1.0.0
[INFO] [stderr]   Downloaded copy_dir v0.1.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "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] 0390c3172810737b9f8356b10a90c36ac7e4696c04faf07e706b7bf2469638a4
[INFO] running `Command { std: "docker" "start" "-a" "0390c3172810737b9f8356b10a90c36ac7e4696c04faf07e706b7bf2469638a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0390c3172810737b9f8356b10a90c36ac7e4696c04faf07e706b7bf2469638a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0390c3172810737b9f8356b10a90c36ac7e4696c04faf07e706b7bf2469638a4", kill_on_drop: false }`
[INFO] [stdout] 0390c3172810737b9f8356b10a90c36ac7e4696c04faf07e706b7bf2469638a4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] eb8c826a52cebdb272c627c117877ebc1b28b8e483eab3ea67dd24d8d0cc15e9
[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" "eb8c826a52cebdb272c627c117877ebc1b28b8e483eab3ea67dd24d8d0cc15e9", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.73
[INFO] [stderr]    Compiling syn v1.0.35
[INFO] [stderr]    Compiling rayon-core v1.7.1
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]    Compiling serde_json v1.0.57
[INFO] [stderr]     Checking arc-swap v0.4.7
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]     Checking predicates-core v1.0.0
[INFO] [stderr]    Compiling snap v1.0.1
[INFO] [stderr]     Checking nodrop v0.1.14
[INFO] [stderr]     Checking difference v2.0.0
[INFO] [stderr]     Checking either v1.5.3
[INFO] [stderr]     Checking winapi v0.2.8
[INFO] [stderr]     Checking treeline v0.1.0
[INFO] [stderr]    Compiling escargot v0.5.0
[INFO] [stderr]     Checking thousands v0.2.0
[INFO] [stderr]    Compiling rayon v1.3.1
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.3
[INFO] [stderr]    Compiling proc-macro-error v1.0.3
[INFO] [stderr]     Checking lock_api v0.3.4
[INFO] [stderr]     Checking semver v0.10.0
[INFO] [stderr]     Checking log v0.4.11
[INFO] [stderr]     Checking predicates-tree v1.0.0
[INFO] [stderr]     Checking float-cmp v0.8.0
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]     Checking predicates v1.0.5
[INFO] [stderr]     Checking globset v0.4.5
[INFO] [stderr]     Checking walkdir v0.1.8
[INFO] [stderr]     Checking copy_dir v0.1.2
[INFO] [stderr]     Checking ignore v0.4.16
[INFO] [stderr]     Checking blake2-rfc v0.2.18
[INFO] [stderr]     Checking globwalk v0.7.3
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking mio v0.7.0
[INFO] [stderr]     Checking signal-hook-registry v1.2.0
[INFO] [stderr]     Checking parking_lot_core v0.7.2
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking utime v0.3.1
[INFO] [stderr]     Checking wait-timeout v0.2.0
[INFO] [stderr]     Checking clap v2.33.1
[INFO] [stderr]     Checking assert_cmd v1.0.1
[INFO] [stderr]     Checking signal-hook v0.1.16
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking parking_lot v0.10.2
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking chrono v0.4.13
[INFO] [stderr]     Checking crossterm v0.17.7
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]     Checking assert_fs v1.0.0
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]    Compiling serde_derive v1.0.114
[INFO] [stderr]    Compiling thiserror-impl v1.0.20
[INFO] [stderr]    Compiling derive_more v0.99.9
[INFO] [stderr]    Compiling structopt-derive v0.4.8
[INFO] [stderr]     Checking thiserror v1.0.20
[INFO] [stderr]     Checking structopt v0.3.15
[INFO] [stderr]     Checking serde v1.0.114
[INFO] [stderr]     Checking conserve v0.6.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 44s
[INFO] running `Command { std: "docker" "inspect" "eb8c826a52cebdb272c627c117877ebc1b28b8e483eab3ea67dd24d8d0cc15e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eb8c826a52cebdb272c627c117877ebc1b28b8e483eab3ea67dd24d8d0cc15e9", kill_on_drop: false }`
[INFO] [stdout] eb8c826a52cebdb272c627c117877ebc1b28b8e483eab3ea67dd24d8d0cc15e9