[INFO] fetching crate strict-env 0.1.2...
[INFO] checking strict-env-0.1.2 against master#bca37a20bd376ce3fd138e7cdee7fe704e0f8814 for pr-150727
[INFO] extracting crate strict-env 0.1.2 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate strict-env 0.1.2
[INFO] finished tweaking crates.io crate strict-env 0.1.2
[INFO] tweaked toml for crates.io crate strict-env 0.1.2 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate strict-env 0.1.2 on toolchain bca37a20bd376ce3fd138e7cdee7fe704e0f8814
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 26 packages to latest compatible versions
[INFO] [stderr]       Adding os_str_bytes v3.1.0 (available: v7.1.1)
[INFO] [stderr]       Adding serial_test v0.5.1 (available: v3.3.1)
[INFO] [stderr]       Adding thiserror v1.0.69 (available: v2.0.17)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "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 os_str_bytes v3.1.0
[INFO] [stderr]   Downloaded serial_test_derive v0.5.1
[INFO] [stderr]   Downloaded serial_test v0.5.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1c9a6322d0b9cb383d74cb533e809c0049160064085b032f4b668d7d316a3d1e
[INFO] running `Command { std: "docker" "start" "-a" "1c9a6322d0b9cb383d74cb533e809c0049160064085b032f4b668d7d316a3d1e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1c9a6322d0b9cb383d74cb533e809c0049160064085b032f4b668d7d316a3d1e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c9a6322d0b9cb383d74cb533e809c0049160064085b032f4b668d7d316a3d1e", kill_on_drop: false }`
[INFO] [stdout] 1c9a6322d0b9cb383d74cb533e809c0049160064085b032f4b668d7d316a3d1e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5ebd38254490cc9c97ecfd4e795cdfa0b10d0544d6b6d1a9023151173f6d9b34
[INFO] running `Command { std: "docker" "start" "-a" "5ebd38254490cc9c97ecfd4e795cdfa0b10d0544d6b6d1a9023151173f6d9b34", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.105
[INFO] [stderr]    Compiling libc v0.2.180
[INFO] [stderr]    Compiling parking_lot_core v0.8.6
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking cfg-if v1.0.4
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]     Checking smallvec v1.15.1
[INFO] [stderr]    Compiling anyhow v1.0.100
[INFO] [stderr]     Checking lazy_static v1.5.0
[INFO] [stderr]     Checking os_str_bytes v3.1.0
[INFO] [stderr]     Checking humantime v2.3.0
[INFO] [stderr]     Checking lock_api v0.4.14
[INFO] [stderr]     Checking instant v0.1.13
[INFO] [stderr]    Compiling quote v1.0.43
[INFO] [stderr]    Compiling syn v2.0.114
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling serial_test_derive v0.5.1
[INFO] [stderr]     Checking strict-env v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking serial_test v0.5.1
[INFO] [stdout] warning: calls to `std::str::from_utf8` with an invalid literal always return an error
[INFO] [stdout]    --> src/lib.rs:392:9
[INFO] [stdout]     |
[INFO] [stdout] 391 |         let bytes = [b'f', b'o', b'o', 0x80];
[INFO] [stdout]     |                     ------------------------ the literal was valid UTF-8 up to the 3 bytes
[INFO] [stdout] 392 |         std::str::from_utf8(&bytes).unwrap_err();
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(invalid_from_utf8)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.87s
[INFO] running `Command { std: "docker" "inspect" "5ebd38254490cc9c97ecfd4e795cdfa0b10d0544d6b6d1a9023151173f6d9b34", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5ebd38254490cc9c97ecfd4e795cdfa0b10d0544d6b6d1a9023151173f6d9b34", kill_on_drop: false }`
[INFO] [stdout] 5ebd38254490cc9c97ecfd4e795cdfa0b10d0544d6b6d1a9023151173f6d9b34