[INFO] fetching crate preserves-schema 6.0.0-rc.6...
[INFO] checking preserves-schema-6.0.0-rc.6 against master#642c19bfc3a5c1de985bf5d0cc8207ac9d22708a for pr-148577
[INFO] extracting crate preserves-schema 6.0.0-rc.6 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate preserves-schema 6.0.0-rc.6
[INFO] finished tweaking crates.io crate preserves-schema 6.0.0-rc.6
[INFO] tweaked toml for crates.io crate preserves-schema 6.0.0-rc.6 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate preserves-schema 6.0.0-rc.6 on toolchain 642c19bfc3a5c1de985bf5d0cc8207ac9d22708a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate preserves-schema 6.0.0-rc.6 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bytemuck v1.16.0
[INFO] [stderr]   Downloaded preserves v5.0.0-rc.7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e29e019669659124ebefcff821427e8d556ab45874dc1107cddd365f78738515
[INFO] running `Command { std: "docker" "start" "-a" "e29e019669659124ebefcff821427e8d556ab45874dc1107cddd365f78738515", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e29e019669659124ebefcff821427e8d556ab45874dc1107cddd365f78738515", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e29e019669659124ebefcff821427e8d556ab45874dc1107cddd365f78738515", kill_on_drop: false }`
[INFO] [stdout] e29e019669659124ebefcff821427e8d556ab45874dc1107cddd365f78738515
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b462504921fe3b9a9e95bb39b74a90d0cf1b5ce05ac26b16b937efd72eaaff3f
[INFO] running `Command { std: "docker" "start" "-a" "b462504921fe3b9a9e95bb39b74a90d0cf1b5ce05ac26b16b937efd72eaaff3f", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.2.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.79
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]     Checking memchr v2.7.2
[INFO] [stderr]    Compiling unicode-segmentation v1.11.0
[INFO] [stderr]     Checking regex-syntax v0.8.3
[INFO] [stderr]     Checking dtoa v0.4.8
[INFO] [stderr]     Checking bytemuck v1.16.0
[INFO] [stderr]     Checking glob v0.3.1
[INFO] [stderr]     Checking convert_case v0.4.0
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]    Compiling num-bigint v0.4.4
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking regex-automata v0.4.6
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking regex v1.10.4
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]     Checking preserves v5.0.0-rc.7
[INFO] [stderr]     Checking structopt v0.3.26
[INFO] [stderr]     Checking preserves-schema v6.0.0-rc.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.67s
[INFO] running `Command { std: "docker" "inspect" "b462504921fe3b9a9e95bb39b74a90d0cf1b5ce05ac26b16b937efd72eaaff3f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b462504921fe3b9a9e95bb39b74a90d0cf1b5ce05ac26b16b937efd72eaaff3f", kill_on_drop: false }`
[INFO] [stdout] b462504921fe3b9a9e95bb39b74a90d0cf1b5ce05ac26b16b937efd72eaaff3f