[INFO] cloning repository https://github.com/afdw/pagemap_analyzer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/afdw/pagemap_analyzer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fafdw%2Fpagemap_analyzer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fafdw%2Fpagemap_analyzer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e3ae15d83d5cf3d2f84acdb9c91b730aa9fa7af0
[INFO] checking afdw/pagemap_analyzer against master#bca37a20bd376ce3fd138e7cdee7fe704e0f8814 for pr-139493-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fafdw%2Fpagemap_analyzer" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/afdw/pagemap_analyzer
[INFO] finished tweaking git repo https://github.com/afdw/pagemap_analyzer
[INFO] tweaked toml for git repo https://github.com/afdw/pagemap_analyzer written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/afdw/pagemap_analyzer 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] crate git repo https://github.com/afdw/pagemap_analyzer 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" "+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 byte-unit v4.0.9
[INFO] [stderr]   Downloaded cc v1.0.59
[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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f0ef700969fa897c4f2b1988e799ed231f1f284653438a2361e2581cd74ddff9
[INFO] running `Command { std: "docker" "start" "-a" "f0ef700969fa897c4f2b1988e799ed231f1f284653438a2361e2581cd74ddff9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f0ef700969fa897c4f2b1988e799ed231f1f284653438a2361e2581cd74ddff9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f0ef700969fa897c4f2b1988e799ed231f1f284653438a2361e2581cd74ddff9", kill_on_drop: false }`
[INFO] [stdout] f0ef700969fa897c4f2b1988e799ed231f1f284653438a2361e2581cd74ddff9
[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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ec563b60896de1154059b11532128bdc332a9165a631ea695ee3049f7e131bc2
[INFO] running `Command { std: "docker" "start" "-a" "ec563b60896de1154059b11532128bdc332a9165a631ea695ee3049f7e131bc2", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.76
[INFO] [stderr]     Checking utf8-width v0.1.4
[INFO] [stderr]     Checking byte-unit v4.0.9
[INFO] [stderr]     Checking nix v0.18.0
[INFO] [stderr]     Checking pagemap_analyzer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> src/main.rs:77:18
[INFO] [stdout]    |
[INFO] [stdout] 73 | /         execv(
[INFO] [stdout] 74 | |             &CString::new("/usr/bin/sudo").unwrap(),
[INFO] [stdout] 75 | |             &args.iter().map(|a| a.as_ref()).collect::<Vec<_>>()[..],
[INFO] [stdout] 76 | |         )
[INFO] [stdout] 77 | |         .unwrap();
[INFO] [stdout]    | |                 -^ unreachable expression
[INFO] [stdout]    | |_________________|
[INFO] [stdout]    |                   any code following this expression is unreachable
[INFO] [stdout]    |
[INFO] [stdout] note: this expression has type `Infallible`, which is uninhabited
[INFO] [stdout]   --> src/main.rs:73:9
[INFO] [stdout]    |
[INFO] [stdout] 73 | /         execv(
[INFO] [stdout] 74 | |             &CString::new("/usr/bin/sudo").unwrap(),
[INFO] [stdout] 75 | |             &args.iter().map(|a| a.as_ref()).collect::<Vec<_>>()[..],
[INFO] [stdout] 76 | |         )
[INFO] [stdout] 77 | |         .unwrap();
[INFO] [stdout]    | |_________________^
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> src/main.rs:77:18
[INFO] [stdout]    |
[INFO] [stdout] 73 | /         execv(
[INFO] [stdout] 74 | |             &CString::new("/usr/bin/sudo").unwrap(),
[INFO] [stdout] 75 | |             &args.iter().map(|a| a.as_ref()).collect::<Vec<_>>()[..],
[INFO] [stdout] 76 | |         )
[INFO] [stdout] 77 | |         .unwrap();
[INFO] [stdout]    | |                 -^ unreachable expression
[INFO] [stdout]    | |_________________|
[INFO] [stdout]    |                   any code following this expression is unreachable
[INFO] [stdout]    |
[INFO] [stdout] note: this expression has type `Infallible`, which is uninhabited
[INFO] [stdout]   --> src/main.rs:73:9
[INFO] [stdout]    |
[INFO] [stdout] 73 | /         execv(
[INFO] [stdout] 74 | |             &CString::new("/usr/bin/sudo").unwrap(),
[INFO] [stdout] 75 | |             &args.iter().map(|a| a.as_ref()).collect::<Vec<_>>()[..],
[INFO] [stdout] 76 | |         )
[INFO] [stdout] 77 | |         .unwrap();
[INFO] [stdout]    | |_________________^
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.71s
[INFO] running `Command { std: "docker" "inspect" "ec563b60896de1154059b11532128bdc332a9165a631ea695ee3049f7e131bc2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec563b60896de1154059b11532128bdc332a9165a631ea695ee3049f7e131bc2", kill_on_drop: false }`
[INFO] [stdout] ec563b60896de1154059b11532128bdc332a9165a631ea695ee3049f7e131bc2