[INFO] fetching crate ribosome 0.1.2...
[INFO] checking ribosome-0.1.2 against master#5518eaa946291f00471af8b254b2a1715f234882 for pr-120393-1
[INFO] extracting crate ribosome 0.1.2 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate ribosome 0.1.2 on toolchain 5518eaa946291f00471af8b254b2a1715f234882
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5518eaa946291f00471af8b254b2a1715f234882" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ribosome 0.1.2
[INFO] finished tweaking crates.io crate ribosome 0.1.2
[INFO] tweaked toml for crates.io crate ribosome 0.1.2 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate crates.io crate ribosome 0.1.2 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" "+5518eaa946291f00471af8b254b2a1715f234882" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde v1.0.104
[INFO] [stderr]   Downloaded hermit-abi v0.1.8
[INFO] [stderr]   Downloaded byteorder v1.3.4
[INFO] [stderr]   Downloaded colored v1.9.3
[INFO] [stderr]   Downloaded serde_derive v1.0.104
[INFO] [stderr]   Downloaded hematite-nbt v0.4.1
[INFO] [stderr]   Downloaded flate2 v0.2.20
[INFO] [stderr]   Downloaded libc v0.2.67
[INFO] [stderr]   Downloaded miniz-sys v0.1.12
[INFO] [stderr]   Downloaded syn v1.0.16
[INFO] [stderr]   Downloaded proc-macro2 v1.0.9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+5518eaa946291f00471af8b254b2a1715f234882" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a46327281b19f385661a11170a38469463078b3e88f9371b230dccb34987a302
[INFO] running `Command { std: "docker" "start" "-a" "a46327281b19f385661a11170a38469463078b3e88f9371b230dccb34987a302", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a46327281b19f385661a11170a38469463078b3e88f9371b230dccb34987a302", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a46327281b19f385661a11170a38469463078b3e88f9371b230dccb34987a302", kill_on_drop: false }`
[INFO] [stdout] a46327281b19f385661a11170a38469463078b3e88f9371b230dccb34987a302
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+5518eaa946291f00471af8b254b2a1715f234882" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dcdfab81339c507c21e355c4b2af9e64f9b8d5da4ec0e1d94ba51a9058e3be29
[INFO] running `Command { std: "docker" "start" "-a" "dcdfab81339c507c21e355c4b2af9e64f9b8d5da4ec0e1d94ba51a9058e3be29", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.67
[INFO] [stderr]    Compiling proc-macro2 v1.0.9
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.16
[INFO] [stderr]    Compiling cc v1.0.50
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking unicode-width v0.1.7
[INFO] [stderr]     Checking cesu8 v1.1.0
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]    Compiling miniz-sys v0.1.12
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking colored v1.9.3
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking flate2 v0.2.20
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]     Checking hematite-nbt v0.4.1
[INFO] [stderr]     Checking ribosome v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `data_version` is never read
[INFO] [stdout]  --> src/structure.rs:6:2
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct Structure {
[INFO] [stdout]   |            --------- field in this struct
[INFO] [stdout] 5 |     #[serde(rename = "DataVersion")]
[INFO] [stdout] 6 |     data_version: i32,
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Structure` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `data_version` is never read
[INFO] [stdout]  --> src/structure.rs:6:2
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct Structure {
[INFO] [stdout]   |            --------- field in this struct
[INFO] [stdout] 5 |     #[serde(rename = "DataVersion")]
[INFO] [stdout] 6 |     data_version: i32,
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Structure` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[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 8.78s
[INFO] running `Command { std: "docker" "inspect" "dcdfab81339c507c21e355c4b2af9e64f9b8d5da4ec0e1d94ba51a9058e3be29", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dcdfab81339c507c21e355c4b2af9e64f9b8d5da4ec0e1d94ba51a9058e3be29", kill_on_drop: false }`
[INFO] [stdout] dcdfab81339c507c21e355c4b2af9e64f9b8d5da4ec0e1d94ba51a9058e3be29