[INFO] cloning repository https://github.com/nrskt/rust-serde-sample
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nrskt/rust-serde-sample" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnrskt%2Frust-serde-sample", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnrskt%2Frust-serde-sample'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9f14ed1056e555978f68b39fe14e2084d12690bd
[INFO] checking nrskt/rust-serde-sample against try#8de4b308b608cded0ebccf658a0fc719bce87d4e for pr-89056
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnrskt%2Frust-serde-sample" "/workspace/builds/worker-11/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/nrskt/rust-serde-sample on toolchain 8de4b308b608cded0ebccf658a0fc719bce87d4e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/nrskt/rust-serde-sample
[INFO] finished tweaking git repo https://github.com/nrskt/rust-serde-sample
[INFO] tweaked toml for git repo https://github.com/nrskt/rust-serde-sample written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/nrskt/rust-serde-sample already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "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] 79c97fb83d62a849bf0f8c1a3eb1782ae417d1d6ac2a90dfb3fa8674e1a49b14
[INFO] running `Command { std: "docker" "start" "-a" "79c97fb83d62a849bf0f8c1a3eb1782ae417d1d6ac2a90dfb3fa8674e1a49b14", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "79c97fb83d62a849bf0f8c1a3eb1782ae417d1d6ac2a90dfb3fa8674e1a49b14", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "79c97fb83d62a849bf0f8c1a3eb1782ae417d1d6ac2a90dfb3fa8674e1a49b14", kill_on_drop: false }`
[INFO] [stdout] 79c97fb83d62a849bf0f8c1a3eb1782ae417d1d6ac2a90dfb3fa8674e1a49b14
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "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] 753116b0b4fba3d43cf1a3ff64c6c10449f10ee74d1eb638fb62e4fc60599b33
[INFO] running `Command { std: "docker" "start" "-a" "753116b0b4fba3d43cf1a3ff64c6c10449f10ee74d1eb638fb62e4fc60599b33", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.12
[INFO] [stderr]    Compiling syn v1.0.21
[INFO] [stderr]    Compiling serde v1.0.110
[INFO] [stderr]    Compiling ryu v1.0.4
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]     Checking itoa v0.4.5
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]    Compiling quote v1.0.5
[INFO] [stderr]    Compiling serde_derive v1.0.110
[INFO] [stderr]     Checking serde_json v1.0.53
[INFO] [stderr]     Checking bstr v0.2.13
[INFO] [stderr]     Checking csv v1.1.3
[INFO] [stderr]     Checking core v0.1.0 (/opt/rustwide/workdir/core)
[INFO] [stderr]     Checking csv v0.1.0 (/opt/rustwide/workdir/csv)
[INFO] [stdout] warning: unused import: `de`
[INFO] [stdout]  --> csv/src/pattern_1.rs:4:13
[INFO] [stdout]   |
[INFO] [stdout] 4 | use serde::{de, Deserialize, Serialize, Serializer};
[INFO] [stdout]   |             ^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `de`
[INFO] [stdout]  --> csv/src/pattern_2.rs:4:13
[INFO] [stdout]   |
[INFO] [stdout] 4 | use serde::{de, Deserialize, Serialize, Serializer};
[INFO] [stdout]   |             ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `de`
[INFO] [stdout]  --> csv/src/pattern_1.rs:4:13
[INFO] [stdout]   |
[INFO] [stdout] 4 | use serde::{de, Deserialize, Serialize, Serializer};
[INFO] [stdout]   |             ^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `de`
[INFO] [stdout]  --> csv/src/pattern_2.rs:4:13
[INFO] [stdout]   |
[INFO] [stdout] 4 | use serde::{de, Deserialize, Serialize, Serializer};
[INFO] [stdout]   |             ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 37.57s
[INFO] running `Command { std: "docker" "inspect" "753116b0b4fba3d43cf1a3ff64c6c10449f10ee74d1eb638fb62e4fc60599b33", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "753116b0b4fba3d43cf1a3ff64c6c10449f10ee74d1eb638fb62e4fc60599b33", kill_on_drop: false }`
[INFO] [stdout] 753116b0b4fba3d43cf1a3ff64c6c10449f10ee74d1eb638fb62e4fc60599b33