[INFO] fetching crate boml 1.0.2...
[INFO] testing boml-1.0.2 against master#cdb45c87e2cd43495379f7e867e3cc15dcee9f93 for pr-145838-1
[INFO] extracting crate boml 1.0.2 into /workspace/builds/worker-1-tc1/source
[INFO] removed /workspace/builds/worker-1-tc1/source/rust-toolchain.toml
[INFO] started tweaking crates.io crate boml 1.0.2
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate boml 1.0.2
[INFO] tweaked toml for crates.io crate boml 1.0.2 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate boml 1.0.2 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 boml 1.0.2 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" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ureq-proto v0.3.3
[INFO] [stderr]   Downloaded ureq v3.0.8
[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] cad45d0058db8828df09e217d7a261af09f5b3c8a39ec193015ee579660a23bc
[INFO] running `Command { std: "docker" "start" "-a" "cad45d0058db8828df09e217d7a261af09f5b3c8a39ec193015ee579660a23bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cad45d0058db8828df09e217d7a261af09f5b3c8a39ec193015ee579660a23bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cad45d0058db8828df09e217d7a261af09f5b3c8a39ec193015ee579660a23bc", kill_on_drop: false }`
[INFO] [stdout] cad45d0058db8828df09e217d7a261af09f5b3c8a39ec193015ee579660a23bc
[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] 3fa275cd3d8589f7a757c2c176365856ea7cd1fbc1ff970277d26099935b4a15
[INFO] running `Command { std: "docker" "start" "-a" "3fa275cd3d8589f7a757c2c176365856ea7cd1fbc1ff970277d26099935b4a15", kill_on_drop: false }`
[INFO] [stderr]    Compiling boml v1.0.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/lib.rs:19:19
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub fn parse(str: &str) -> Result<Toml<'_>, TomlError> {
[INFO] [stdout]    |                   ^^^^                 ^^   ^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                   |                    |
[INFO] [stdout]    |                   |                    the same lifetime is elided here
[INFO] [stdout]    |                   the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub fn parse(str: &str) -> Result<Toml<'_>, TomlError<'_>> {
[INFO] [stdout]    |                                                      ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/parser.rs:17:23
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub fn parse_str(str: &str) -> Result<Toml<'_>, TomlError> {
[INFO] [stdout]    |                       ^^^^                 ^^   ^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                       |                    |
[INFO] [stdout]    |                       |                    the same lifetime is elided here
[INFO] [stdout]    |                       the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub fn parse_str(str: &str) -> Result<Toml<'_>, TomlError<'_>> {
[INFO] [stdout]    |                                                          ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.49s
[INFO] running `Command { std: "docker" "inspect" "3fa275cd3d8589f7a757c2c176365856ea7cd1fbc1ff970277d26099935b4a15", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3fa275cd3d8589f7a757c2c176365856ea7cd1fbc1ff970277d26099935b4a15", kill_on_drop: false }`
[INFO] [stdout] 3fa275cd3d8589f7a757c2c176365856ea7cd1fbc1ff970277d26099935b4a15
[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] 8f4dfde646246c55a1bfe0f6cebbfa3f74942fc25939b2e527993426fa2d747f
[INFO] running `Command { std: "docker" "start" "-a" "8f4dfde646246c55a1bfe0f6cebbfa3f74942fc25939b2e527993426fa2d747f", kill_on_drop: false }`
[INFO] [stderr] error: failed to download `libc v0.2.170`
[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 `libc v0.2.170`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to create directory `/opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/libc-0.2.170`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   Read-only file system (os error 30)
[INFO] running `Command { std: "docker" "inspect" "8f4dfde646246c55a1bfe0f6cebbfa3f74942fc25939b2e527993426fa2d747f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f4dfde646246c55a1bfe0f6cebbfa3f74942fc25939b2e527993426fa2d747f", kill_on_drop: false }`
[INFO] [stdout] 8f4dfde646246c55a1bfe0f6cebbfa3f74942fc25939b2e527993426fa2d747f