[INFO] cloning repository https://github.com/murasakiwano/walrus
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/murasakiwano/walrus" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmurasakiwano%2Fwalrus", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmurasakiwano%2Fwalrus'...
[INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmurasakiwano%2Fwalrus: No space left on device
[WARN] Retrying crate fetch in 3 seconds (attempt 1)
[INFO] cloning repository https://github.com/murasakiwano/walrus
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/murasakiwano/walrus" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmurasakiwano%2Fwalrus", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmurasakiwano%2Fwalrus'...
[INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmurasakiwano%2Fwalrus: No space left on device
[WARN] Retrying crate fetch in 3 seconds (attempt 2)
[INFO] cloning repository https://github.com/murasakiwano/walrus
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/murasakiwano/walrus" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmurasakiwano%2Fwalrus", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmurasakiwano%2Fwalrus'...
[INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmurasakiwano%2Fwalrus: No space left on device
[WARN] Retrying crate fetch in 3 seconds (attempt 3)
[INFO] cloning repository https://github.com/murasakiwano/walrus
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/murasakiwano/walrus" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmurasakiwano%2Fwalrus", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmurasakiwano%2Fwalrus'...
[INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmurasakiwano%2Fwalrus: No space left on device
[WARN] Retrying crate fetch in 3 seconds (attempt 4)
[INFO] cloning repository https://github.com/murasakiwano/walrus
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/murasakiwano/walrus" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmurasakiwano%2Fwalrus", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmurasakiwano%2Fwalrus'...
[INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmurasakiwano%2Fwalrus: No space left on device
[WARN] Retrying crate fetch in 3 seconds (attempt 5)
[INFO] cloning repository https://github.com/murasakiwano/walrus
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/murasakiwano/walrus" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmurasakiwano%2Fwalrus", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmurasakiwano%2Fwalrus'...
[INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmurasakiwano%2Fwalrus: No space left on device
[WARN] Retrying crate fetch in 3 seconds (attempt 6)
[INFO] cloning repository https://github.com/murasakiwano/walrus
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/murasakiwano/walrus" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmurasakiwano%2Fwalrus", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmurasakiwano%2Fwalrus'...
[INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmurasakiwano%2Fwalrus: No space left on device
[WARN] Retrying crate fetch in 3 seconds (attempt 7)
[INFO] cloning repository https://github.com/murasakiwano/walrus
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/murasakiwano/walrus" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmurasakiwano%2Fwalrus", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmurasakiwano%2Fwalrus'...
[INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmurasakiwano%2Fwalrus: No space left on device
[WARN] Retrying crate fetch in 3 seconds (attempt 8)
[INFO] cloning repository https://github.com/murasakiwano/walrus
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/murasakiwano/walrus" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmurasakiwano%2Fwalrus", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmurasakiwano%2Fwalrus'...
[INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmurasakiwano%2Fwalrus: No space left on device
[WARN] Retrying crate fetch in 3 seconds (attempt 9)
[INFO] cloning repository https://github.com/murasakiwano/walrus
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/murasakiwano/walrus" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmurasakiwano%2Fwalrus", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmurasakiwano%2Fwalrus'...
[INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmurasakiwano%2Fwalrus: No space left on device
[WARN] Retrying crate fetch in 3 seconds (attempt 10)
[INFO] cloning repository https://github.com/murasakiwano/walrus
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/murasakiwano/walrus" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmurasakiwano%2Fwalrus", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmurasakiwano%2Fwalrus'...
[INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmurasakiwano%2Fwalrus: No space left on device
[WARN] Retrying crate fetch in 3 seconds (attempt 11)
[INFO] cloning repository https://github.com/murasakiwano/walrus
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/murasakiwano/walrus" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmurasakiwano%2Fwalrus", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmurasakiwano%2Fwalrus'...
[INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmurasakiwano%2Fwalrus: No space left on device
[WARN] Retrying crate fetch in 3 seconds (attempt 12)
[INFO] cloning repository https://github.com/murasakiwano/walrus
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/murasakiwano/walrus" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmurasakiwano%2Fwalrus", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmurasakiwano%2Fwalrus'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3026c8573bfbe17d8d8c981dae09b854d2c23fe0
[INFO] checking murasakiwano/walrus against master#a26e97be8826d408309fffbd8168362365719f50 for pr-136776
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmurasakiwano%2Fwalrus" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/murasakiwano/walrus on toolchain a26e97be8826d408309fffbd8168362365719f50
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a26e97be8826d408309fffbd8168362365719f50" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/murasakiwano/walrus
[INFO] finished tweaking git repo https://github.com/murasakiwano/walrus
[INFO] tweaked toml for git repo https://github.com/murasakiwano/walrus written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/murasakiwano/walrus 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" "+a26e97be8826d408309fffbd8168362365719f50" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+a26e97be8826d408309fffbd8168362365719f50" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a9fdc406be58bea71d5dc96c62705eb67aa3d406b4a5c294c5e21e081dd37c80
[INFO] running `Command { std: "docker" "start" "-a" "a9fdc406be58bea71d5dc96c62705eb67aa3d406b4a5c294c5e21e081dd37c80", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a9fdc406be58bea71d5dc96c62705eb67aa3d406b4a5c294c5e21e081dd37c80", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a9fdc406be58bea71d5dc96c62705eb67aa3d406b4a5c294c5e21e081dd37c80", kill_on_drop: false }`
[INFO] [stdout] a9fdc406be58bea71d5dc96c62705eb67aa3d406b4a5c294c5e21e081dd37c80
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+a26e97be8826d408309fffbd8168362365719f50" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2c4df762c3672bb7e6f3bb7c7ab3b9af3bac2c27d63d4cfac2f13b597c09d252
[INFO] running `Command { std: "docker" "start" "-a" "2c4df762c3672bb7e6f3bb7c7ab3b9af3bac2c27d63d4cfac2f13b597c09d252", kill_on_drop: false }`
[INFO] [stderr]     Checking walrus v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> src/serde_btx/compact_size.rs:1:24
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub struct CompactSize(u32);
[INFO] [stdout]   |            ----------- ^^^
[INFO] [stdout]   |            |
[INFO] [stdout]   |            field in this struct
[INFO] [stdout]   |
[INFO] [stdout]   = help: consider removing this field
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> src/serde_btx/compact_size.rs:1:24
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub struct CompactSize(u32);
[INFO] [stdout]   |            ----------- ^^^
[INFO] [stdout]   |            |
[INFO] [stdout]   |            field in this struct
[INFO] [stdout]   |
[INFO] [stdout]   = help: consider removing this field
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.11s
[INFO] running `Command { std: "docker" "inspect" "2c4df762c3672bb7e6f3bb7c7ab3b9af3bac2c27d63d4cfac2f13b597c09d252", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c4df762c3672bb7e6f3bb7c7ab3b9af3bac2c27d63d4cfac2f13b597c09d252", kill_on_drop: false }`
[INFO] [stdout] 2c4df762c3672bb7e6f3bb7c7ab3b9af3bac2c27d63d4cfac2f13b597c09d252