[INFO] fetching crate advocat 3.0.0...
[INFO] testing advocat-3.0.0 against master#cdb45c87e2cd43495379f7e867e3cc15dcee9f93 for pr-145838-1
[INFO] extracting crate advocat 3.0.0 into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate advocat 3.0.0
[INFO] finished tweaking crates.io crate advocat 3.0.0
[INFO] tweaked toml for crates.io crate advocat 3.0.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate advocat 3.0.0 on toolchain cdb45c87e2cd43495379f7e867e3cc15dcee9f93
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate advocat 3.0.0 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" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded dirs-sys v0.3.6
[INFO] [stderr]   Downloaded exitcode v1.1.2
[INFO] [stderr]   Downloaded crc32fast v1.3.1
[INFO] [stderr]   Downloaded configparser v3.0.0
[INFO] [stderr]   Downloaded getrandom v0.2.4
[INFO] [stderr]   Downloaded curl v0.4.42
[INFO] [stderr]   Downloaded curl-sys v0.4.52+curl-7.81.0
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f1747c711f8434ea2806d891f15a57b45266ff427719c9b9aa018e6340767060
[INFO] running `Command { std: "docker" "start" "-a" "f1747c711f8434ea2806d891f15a57b45266ff427719c9b9aa018e6340767060", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f1747c711f8434ea2806d891f15a57b45266ff427719c9b9aa018e6340767060", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f1747c711f8434ea2806d891f15a57b45266ff427719c9b9aa018e6340767060", kill_on_drop: false }`
[INFO] [stdout] f1747c711f8434ea2806d891f15a57b45266ff427719c9b9aa018e6340767060
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f6b802b4234a1421f7249ce6728bd50eef3f2b492da94899d16daf50a321ee48
[INFO] running `Command { std: "docker" "start" "-a" "f6b802b4234a1421f7249ce6728bd50eef3f2b492da94899d16daf50a321ee48", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.116
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling cc v1.0.72
[INFO] [stderr]    Compiling pkg-config v0.3.24
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]    Compiling crc32fast v1.3.1
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling curl v0.4.42
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling numtoa v0.1.0
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling openssl-probe v0.1.5
[INFO] [stderr]    Compiling diff v0.1.12
[INFO] [stderr]    Compiling exitcode v1.1.2
[INFO] [stderr]    Compiling configparser v3.0.0
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling quote v1.0.15
[INFO] [stderr]    Compiling libz-sys v1.1.3
[INFO] [stderr]    Compiling openssl-sys v0.9.72
[INFO] [stderr]    Compiling curl-sys v0.4.52+curl-7.81.0
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling socket2 v0.4.4
[INFO] [stderr]    Compiling dirs-sys v0.3.6
[INFO] [stderr]    Compiling terminal_size v0.1.17
[INFO] [stderr]    Compiling termion v1.5.6
[INFO] [stderr]    Compiling directories v4.0.1
[INFO] [stderr]    Compiling flate2 v1.0.22
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling thiserror v1.0.30
[INFO] [stderr]    Compiling zip v0.5.13
[INFO] [stderr]    Compiling advocat v3.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `id` is never read
[INFO] [stdout]   --> src/problem.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct Problem {
[INFO] [stdout]    |            ------- field in this struct
[INFO] [stdout] 11 |     pub id: String,
[INFO] [stdout]    |         ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Problem` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.99s
[INFO] running `Command { std: "docker" "inspect" "f6b802b4234a1421f7249ce6728bd50eef3f2b492da94899d16daf50a321ee48", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f6b802b4234a1421f7249ce6728bd50eef3f2b492da94899d16daf50a321ee48", kill_on_drop: false }`
[INFO] [stdout] f6b802b4234a1421f7249ce6728bd50eef3f2b492da94899d16daf50a321ee48
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d74068706b343a388ee4579de5b1534ba59a5ed1b840a3b0855c57ba98b405af
[INFO] running `Command { std: "docker" "start" "-a" "d74068706b343a388ee4579de5b1534ba59a5ed1b840a3b0855c57ba98b405af", kill_on_drop: false }`
[INFO] [stderr] error: failed to download `adler v1.0.2`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   unable to get packages from source
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to unpack package `adler v1.0.2`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to create directory `/opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/adler-1.0.2`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   Read-only file system (os error 30)
[INFO] running `Command { std: "docker" "inspect" "d74068706b343a388ee4579de5b1534ba59a5ed1b840a3b0855c57ba98b405af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d74068706b343a388ee4579de5b1534ba59a5ed1b840a3b0855c57ba98b405af", kill_on_drop: false }`
[INFO] [stdout] d74068706b343a388ee4579de5b1534ba59a5ed1b840a3b0855c57ba98b405af