[INFO] fetching crate dialectic-tokio-serde-json 0.1.0...
[INFO] checking dialectic-tokio-serde-json-0.1.0 against master#836c31742687ba4e2f857b5b698e1e9e6b67619c for pr-81789
[INFO] extracting crate dialectic-tokio-serde-json 0.1.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate dialectic-tokio-serde-json 0.1.0 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 dialectic-tokio-serde-json 0.1.0
[INFO] finished tweaking crates.io crate dialectic-tokio-serde-json 0.1.0
[INFO] tweaked toml for crates.io crate dialectic-tokio-serde-json 0.1.0 written to /workspace/builds/worker-3/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] 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-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 1c4349ce0db7a84c4706a73397d96da49b9a1f3ba472fd793952dc56702cf15d
[INFO] running `Command { std: "docker" "start" "-a" "1c4349ce0db7a84c4706a73397d96da49b9a1f3ba472fd793952dc56702cf15d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1c4349ce0db7a84c4706a73397d96da49b9a1f3ba472fd793952dc56702cf15d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c4349ce0db7a84c4706a73397d96da49b9a1f3ba472fd793952dc56702cf15d", kill_on_drop: false }`
[INFO] [stdout] 1c4349ce0db7a84c4706a73397d96da49b9a1f3ba472fd793952dc56702cf15d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] [stdout] 0617f23be74907a9dda7b5ee3e297dbc986c09a0d73a42259b58b5b3f903f8f7
[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" "0617f23be74907a9dda7b5ee3e297dbc986c09a0d73a42259b58b5b3f903f8f7", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.70
[INFO] [stderr]    Compiling libc v0.2.93
[INFO] [stderr]     Checking pin-project-lite v0.2.6
[INFO] [stderr]     Checking futures-core v0.3.14
[INFO] [stderr]     Checking futures-sink v0.3.14
[INFO] [stderr]     Checking smallvec v1.6.1
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking futures-task v0.3.14
[INFO] [stderr]    Compiling thunderdome v0.4.1
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]    Compiling dialectic v0.4.1
[INFO] [stderr]     Checking futures-io v0.3.14
[INFO] [stderr]     Checking bytes v1.0.1
[INFO] [stderr]     Checking call-by v0.2.3
[INFO] [stderr]     Checking instant v0.1.9
[INFO] [stderr]     Checking lock_api v0.4.3
[INFO] [stderr]     Checking futures-channel v0.3.14
[INFO] [stderr]     Checking futures-util v0.3.14
[INFO] [stderr]    Compiling tokio v1.5.0
[INFO] [stderr]     Checking parking_lot_core v0.8.3
[INFO] [stderr]     Checking signal-hook-registry v1.3.0
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking mio v0.7.11
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]     Checking futures v0.3.14
[INFO] [stderr]    Compiling serde_derive v1.0.125
[INFO] [stderr]    Compiling thiserror-impl v1.0.24
[INFO] [stderr]    Compiling tokio-macros v1.1.0
[INFO] [stderr]    Compiling pin-project-internal v1.0.7
[INFO] [stderr]    Compiling derivative v2.2.0
[INFO] [stderr]    Compiling thiserror v1.0.24
[INFO] [stderr]     Checking pin-project v1.0.7
[INFO] [stderr]    Compiling serde v1.0.125
[INFO] [stderr]     Checking tokio-util v0.6.6
[INFO] [stderr]     Checking serde_json v1.0.64
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]    Compiling proc-macro-crate v1.0.0
[INFO] [stderr]    Compiling dialectic-compiler v0.1.0
[INFO] [stderr]    Compiling dialectic-macro v0.1.0
[INFO] [stderr]     Checking dialectic-tokio-serde v0.1.0
[INFO] [stderr]     Checking dialectic-tokio-serde-json v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 47s
[INFO] running `Command { std: "docker" "inspect" "0617f23be74907a9dda7b5ee3e297dbc986c09a0d73a42259b58b5b3f903f8f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0617f23be74907a9dda7b5ee3e297dbc986c09a0d73a42259b58b5b3f903f8f7", kill_on_drop: false }`
[INFO] [stdout] 0617f23be74907a9dda7b5ee3e297dbc986c09a0d73a42259b58b5b3f903f8f7