[INFO] fetching crate dialectic-tokio-mpsc 0.1.0...
[INFO] checking dialectic-tokio-mpsc-0.1.0 against try#7c3a44cf5f95fa5cf164a312bdcf845157af7093 for pr-77325
[INFO] extracting crate dialectic-tokio-mpsc 0.1.0 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate dialectic-tokio-mpsc 0.1.0 on toolchain 7c3a44cf5f95fa5cf164a312bdcf845157af7093
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7c3a44cf5f95fa5cf164a312bdcf845157af7093" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate dialectic-tokio-mpsc 0.1.0
[INFO] finished tweaking crates.io crate dialectic-tokio-mpsc 0.1.0
[INFO] tweaked toml for crates.io crate dialectic-tokio-mpsc 0.1.0 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7c3a44cf5f95fa5cf164a312bdcf845157af7093" "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" "+7c3a44cf5f95fa5cf164a312bdcf845157af7093" "fetch" "--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-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+7c3a44cf5f95fa5cf164a312bdcf845157af7093" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bc5c31a54965889646e3269d5659536f7ed1fb9fbaebb77657cdb2deb11354d3
[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" "bc5c31a54965889646e3269d5659536f7ed1fb9fbaebb77657cdb2deb11354d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bc5c31a54965889646e3269d5659536f7ed1fb9fbaebb77657cdb2deb11354d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc5c31a54965889646e3269d5659536f7ed1fb9fbaebb77657cdb2deb11354d3", kill_on_drop: false }`
[INFO] [stdout] bc5c31a54965889646e3269d5659536f7ed1fb9fbaebb77657cdb2deb11354d3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+7c3a44cf5f95fa5cf164a312bdcf845157af7093" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7dfcfb32264054a49e9ca97ab48227fa7027249a7124f2cce7e7d39b0da03f4a
[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" "7dfcfb32264054a49e9ca97ab48227fa7027249a7124f2cce7e7d39b0da03f4a", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling futures-core v0.3.15
[INFO] [stderr]    Compiling futures-channel v0.3.15
[INFO] [stderr]     Checking futures-sink v0.3.15
[INFO] [stderr]    Compiling thunderdome v0.4.1
[INFO] [stderr]    Compiling dialectic v0.4.1
[INFO] [stderr]     Checking call-by v0.2.3
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]    Compiling futures-util v0.3.15
[INFO] [stderr]    Compiling tokio v1.6.1
[INFO] [stderr]     Checking futures v0.3.15
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]    Compiling thiserror-impl v1.0.25
[INFO] [stderr]    Compiling pin-project-internal v1.0.7
[INFO] [stderr]    Compiling derivative v2.2.0
[INFO] [stderr]    Compiling thiserror v1.0.25
[INFO] [stderr]    Compiling proc-macro-crate v1.0.0
[INFO] [stderr]    Compiling dialectic-compiler v0.1.0
[INFO] [stderr]     Checking pin-project v1.0.7
[INFO] [stderr]    Compiling dialectic-macro v0.1.0
[INFO] [stderr]     Checking dialectic-tokio-mpsc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 38s
[INFO] running `Command { std: "docker" "inspect" "7dfcfb32264054a49e9ca97ab48227fa7027249a7124f2cce7e7d39b0da03f4a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7dfcfb32264054a49e9ca97ab48227fa7027249a7124f2cce7e7d39b0da03f4a", kill_on_drop: false }`
[INFO] [stdout] 7dfcfb32264054a49e9ca97ab48227fa7027249a7124f2cce7e7d39b0da03f4a