[INFO] fetching crate dontpanic 0.3.0...
[INFO] checking dontpanic-0.3.0 against master#38352b01ae4af9300be03b805d6db68c45e51068 for pr-129864
[INFO] extracting crate dontpanic 0.3.0 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate dontpanic 0.3.0 on toolchain 38352b01ae4af9300be03b805d6db68c45e51068
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+38352b01ae4af9300be03b805d6db68c45e51068" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate dontpanic 0.3.0
[INFO] finished tweaking crates.io crate dontpanic 0.3.0
[INFO] tweaked toml for crates.io crate dontpanic 0.3.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+38352b01ae4af9300be03b805d6db68c45e51068" "generate-lockfile" "--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]      Locking 85 packages to latest compatible versions
[INFO] [stderr]       Adding idna v0.5.0 (available: v1.0.2)
[INFO] [stderr]       Adding nu-ansi-term v0.46.0 (available: v0.50.1)
[INFO] [stderr]       Adding syn v1.0.109 (available: v2.0.77)
[INFO] [stderr]       Adding wasi v0.11.0+wasi-snapshot-preview1 (available: v0.13.2+wasi-0.2.1)
[INFO] [stderr]       Adding windows-sys v0.52.0 (available: v0.59.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+38352b01ae4af9300be03b805d6db68c45e51068" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ring-channel v0.12.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+38352b01ae4af9300be03b805d6db68c45e51068" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e27ed98704d58f2d50226ed3fbb0568b7e2e976baa0771e27cdd0d30e42fa99b
[INFO] running `Command { std: "docker" "start" "-a" "e27ed98704d58f2d50226ed3fbb0568b7e2e976baa0771e27cdd0d30e42fa99b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e27ed98704d58f2d50226ed3fbb0568b7e2e976baa0771e27cdd0d30e42fa99b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e27ed98704d58f2d50226ed3fbb0568b7e2e976baa0771e27cdd0d30e42fa99b", kill_on_drop: false }`
[INFO] [stdout] e27ed98704d58f2d50226ed3fbb0568b7e2e976baa0771e27cdd0d30e42fa99b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+38352b01ae4af9300be03b805d6db68c45e51068" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 364daa82eb00e46a88b6d867553e9ea39150502d8b93d002465010d0f047aad1
[INFO] running `Command { std: "docker" "start" "-a" "364daa82eb00e46a88b6d867553e9ea39150502d8b93d002465010d0f047aad1", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.159
[INFO] [stderr]     Checking spin v0.9.8
[INFO] [stderr]     Checking rustls-pki-types v1.8.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.20
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]    Compiling slotmap v1.0.7
[INFO] [stderr]     Checking adler2 v2.0.0
[INFO] [stderr]    Compiling rustls v0.23.13
[INFO] [stderr]     Checking miniz_oxide v0.8.0
[INFO] [stderr]     Checking crc32fast v1.4.2
[INFO] [stderr]     Checking serde_json v1.0.128
[INFO] [stderr]    Compiling derivative v2.2.0
[INFO] [stderr]     Checking webpki-roots v0.26.6
[INFO] [stderr]     Checking flate2 v1.0.33
[INFO] [stderr]     Checking crossbeam-queue v0.3.11
[INFO] [stderr]     Checking getrandom v0.2.15
[INFO] [stderr]     Checking ring v0.17.8
[INFO] [stderr]     Checking rustls-webpki v0.102.8
[INFO] [stderr]     Checking futures-executor v0.3.30
[INFO] [stderr]     Checking futures v0.3.30
[INFO] [stderr]     Checking ring-channel v0.12.0
[INFO] [stderr]     Checking ureq v2.10.1
[INFO] [stderr]     Checking dontpanic v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.96s
[INFO] running `Command { std: "docker" "inspect" "364daa82eb00e46a88b6d867553e9ea39150502d8b93d002465010d0f047aad1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "364daa82eb00e46a88b6d867553e9ea39150502d8b93d002465010d0f047aad1", kill_on_drop: false }`
[INFO] [stdout] 364daa82eb00e46a88b6d867553e9ea39150502d8b93d002465010d0f047aad1