[INFO] fetching crate fql_server 0.1.0...
[INFO] checking fql_server-0.1.0 against master#4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5 for pr-81174
[INFO] extracting crate fql_server 0.1.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate fql_server 0.1.0 on toolchain 4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate fql_server 0.1.0
[INFO] finished tweaking crates.io crate fql_server 0.1.0
[INFO] tweaked toml for crates.io crate fql_server 0.1.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate crates.io crate fql_server 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "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-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 70b47490ef79cdcd5453e0b7cfb8f9cc7e7c4f9fbe54d961ed704605d96e4ee8
[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" "70b47490ef79cdcd5453e0b7cfb8f9cc7e7c4f9fbe54d961ed704605d96e4ee8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "70b47490ef79cdcd5453e0b7cfb8f9cc7e7c4f9fbe54d961ed704605d96e4ee8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "70b47490ef79cdcd5453e0b7cfb8f9cc7e7c4f9fbe54d961ed704605d96e4ee8", kill_on_drop: false }`
[INFO] [stdout] 70b47490ef79cdcd5453e0b7cfb8f9cc7e7c4f9fbe54d961ed704605d96e4ee8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "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] 46cf9be8108bf022f49209468cd3622f4a5e2e9321eeebb68ab3ff4b076ddbac
[INFO] running `Command { std: "docker" "start" "-a" "46cf9be8108bf022f49209468cd3622f4a5e2e9321eeebb68ab3ff4b076ddbac", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.58
[INFO] [stderr]    Compiling serde_derive v1.0.120
[INFO] [stderr]    Compiling libc v0.2.82
[INFO] [stderr]    Compiling serde v1.0.120
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]    Compiling httparse v1.3.4
[INFO] [stderr]     Checking groupable v0.2.0
[INFO] [stderr]     Checking encode_unicode v0.3.6
[INFO] [stderr]     Checking modifier v0.1.0
[INFO] [stderr]     Checking configparser v2.0.0
[INFO] [stderr]     Checking tinyvec v1.1.0
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]     Checking thread_local v1.1.0
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking plugin v0.2.6
[INFO] [stderr]     Checking regex v1.4.3
[INFO] [stderr]     Checking mime v0.2.6
[INFO] [stderr]     Checking unicode-normalization v0.1.16
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking dirs v1.0.5
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking term v0.5.2
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]     Checking hyper v0.10.16
[INFO] [stderr]     Checking serde_json v1.0.61
[INFO] [stderr]     Checking bstr v0.2.14
[INFO] [stderr]     Checking mustache v0.9.0
[INFO] [stderr]     Checking csv v1.1.5
[INFO] [stderr]     Checking file_sql v0.2.1
[INFO] [stderr]     Checking nickel v0.11.0
[INFO] [stderr]     Checking prettytable-rs v0.8.0
[INFO] [stderr]     Checking fql_server v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `msg` is never read
[INFO] [stdout]    --> src/lib.rs:135:21
[INFO] [stdout]     |
[INFO] [stdout] 135 |                 let mut msg = String::new();
[INFO] [stdout]     |                     ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `msg` is never read
[INFO] [stdout]    --> src/lib.rs:135:21
[INFO] [stdout]     |
[INFO] [stdout] 135 |                 let mut msg = String::new();
[INFO] [stdout]     |                     ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 43.54s
[INFO] running `Command { std: "docker" "inspect" "46cf9be8108bf022f49209468cd3622f4a5e2e9321eeebb68ab3ff4b076ddbac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "46cf9be8108bf022f49209468cd3622f4a5e2e9321eeebb68ab3ff4b076ddbac", kill_on_drop: false }`
[INFO] [stdout] 46cf9be8108bf022f49209468cd3622f4a5e2e9321eeebb68ab3ff4b076ddbac