[INFO] fetching crate sjfl 0.4.0...
[INFO] building sjfl-0.4.0 against try#4987e9d4227139400384ab59296ffee3b0fb1183 for pr-146237-2
[INFO] extracting crate sjfl 0.4.0 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate sjfl 0.4.0
[INFO] finished tweaking crates.io crate sjfl 0.4.0
[INFO] tweaked toml for crates.io crate sjfl 0.4.0 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate sjfl 0.4.0 on toolchain 4987e9d4227139400384ab59296ffee3b0fb1183
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "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" "+4987e9d4227139400384ab59296ffee3b0fb1183" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 1 package to latest compatible version
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4fef433b0076e0a5a68526b87f776de2dc974bf6d35176099b5df94c5944909a
[INFO] running `Command { std: "docker" "start" "-a" "4fef433b0076e0a5a68526b87f776de2dc974bf6d35176099b5df94c5944909a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4fef433b0076e0a5a68526b87f776de2dc974bf6d35176099b5df94c5944909a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4fef433b0076e0a5a68526b87f776de2dc974bf6d35176099b5df94c5944909a", kill_on_drop: false }`
[INFO] [stdout] 4fef433b0076e0a5a68526b87f776de2dc974bf6d35176099b5df94c5944909a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 59d5cb58f56fe072d833e7f0d6442af227e37933945703d847d8042e588856ed
[INFO] running `Command { std: "docker" "start" "-a" "59d5cb58f56fe072d833e7f0d6442af227e37933945703d847d8042e588856ed", kill_on_drop: false }`
[INFO] [stderr]    Compiling hmath v0.1.17
[INFO] [stderr]    Compiling sjfl v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: irrefutable `if let` pattern
[INFO] [stdout]   --> src/session.rs:70:32
[INFO] [stdout]    |
[INFO] [stdout] 70 | ...                   if let Ok(path) = PathBuf::from_str(file) {
[INFO] [stdout]    |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this pattern will always match, so the `if let` is useless
[INFO] [stdout]    = help: consider replacing the `if let` with a `let`
[INFO] [stdout]    = note: `#[warn(irrefutable_let_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `file_name`
[INFO] [stdout]    --> src/lib.rs:185:21
[INFO] [stdout]     |
[INFO] [stdout] 185 | pub fn execute_file(file_name: &str, session: &mut Session) -> Result<(), (SJFLError, String)> {
[INFO] [stdout]     |                     ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_file_name`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `session`
[INFO] [stdout]    --> src/lib.rs:185:38
[INFO] [stdout]     |
[INFO] [stdout] 185 | pub fn execute_file(file_name: &str, session: &mut Session) -> Result<(), (SJFLError, String)> {
[INFO] [stdout]     |                                      ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_session`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `META_CONST_NUM_BEGIN` is never used
[INFO] [stdout]   --> src/bsjfl.rs:46:11
[INFO] [stdout]    |
[INFO] [stdout] 46 | pub const META_CONST_NUM_BEGIN: u8 = 3;
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `META_STRING_GET` is never used
[INFO] [stdout]   --> src/bsjfl.rs:63:11
[INFO] [stdout]    |
[INFO] [stdout] 63 | pub const META_STRING_GET: u8 = 208;
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `META_STRING_SET` is never used
[INFO] [stdout]   --> src/bsjfl.rs:64:11
[INFO] [stdout]    |
[INFO] [stdout] 64 | pub const META_STRING_SET: u8 = 209;
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.56s
[INFO] running `Command { std: "docker" "inspect" "59d5cb58f56fe072d833e7f0d6442af227e37933945703d847d8042e588856ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "59d5cb58f56fe072d833e7f0d6442af227e37933945703d847d8042e588856ed", kill_on_drop: false }`
[INFO] [stdout] 59d5cb58f56fe072d833e7f0d6442af227e37933945703d847d8042e588856ed
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 84275cf981d39222a191c4a957e305b26432f05571cff3ee667f7891e5421d65
[INFO] running `Command { std: "docker" "start" "-a" "84275cf981d39222a191c4a957e305b26432f05571cff3ee667f7891e5421d65", kill_on_drop: false }`
[INFO] [stderr]    Compiling sjfl v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: irrefutable `if let` pattern
[INFO] [stdout]   --> src/session.rs:70:32
[INFO] [stdout]    |
[INFO] [stdout] 70 | ...                   if let Ok(path) = PathBuf::from_str(file) {
[INFO] [stdout]    |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this pattern will always match, so the `if let` is useless
[INFO] [stdout]    = help: consider replacing the `if let` with a `let`
[INFO] [stdout]    = note: `#[warn(irrefutable_let_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `file_name`
[INFO] [stdout]    --> src/lib.rs:185:21
[INFO] [stdout]     |
[INFO] [stdout] 185 | pub fn execute_file(file_name: &str, session: &mut Session) -> Result<(), (SJFLError, String)> {
[INFO] [stdout]     |                     ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_file_name`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `session`
[INFO] [stdout]    --> src/lib.rs:185:38
[INFO] [stdout]     |
[INFO] [stdout] 185 | pub fn execute_file(file_name: &str, session: &mut Session) -> Result<(), (SJFLError, String)> {
[INFO] [stdout]     |                                      ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_session`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `META_CONST_NUM_BEGIN` is never used
[INFO] [stdout]   --> src/bsjfl.rs:46:11
[INFO] [stdout]    |
[INFO] [stdout] 46 | pub const META_CONST_NUM_BEGIN: u8 = 3;
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `META_STRING_GET` is never used
[INFO] [stdout]   --> src/bsjfl.rs:63:11
[INFO] [stdout]    |
[INFO] [stdout] 63 | pub const META_STRING_GET: u8 = 208;
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `META_STRING_SET` is never used
[INFO] [stdout]   --> src/bsjfl.rs:64:11
[INFO] [stdout]    |
[INFO] [stdout] 64 | pub const META_STRING_SET: u8 = 209;
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: irrefutable `if let` pattern
[INFO] [stdout]   --> src/session.rs:70:32
[INFO] [stdout]    |
[INFO] [stdout] 70 | ...                   if let Ok(path) = PathBuf::from_str(file) {
[INFO] [stdout]    |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this pattern will always match, so the `if let` is useless
[INFO] [stdout]    = help: consider replacing the `if let` with a `let`
[INFO] [stdout]    = note: `#[warn(irrefutable_let_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `file_name`
[INFO] [stdout]    --> src/lib.rs:185:21
[INFO] [stdout]     |
[INFO] [stdout] 185 | pub fn execute_file(file_name: &str, session: &mut Session) -> Result<(), (SJFLError, String)> {
[INFO] [stdout]     |                     ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_file_name`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `session`
[INFO] [stdout]    --> src/lib.rs:185:38
[INFO] [stdout]     |
[INFO] [stdout] 185 | pub fn execute_file(file_name: &str, session: &mut Session) -> Result<(), (SJFLError, String)> {
[INFO] [stdout]     |                                      ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_session`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `META_CONST_NUM_BEGIN` is never used
[INFO] [stdout]   --> src/bsjfl.rs:46:11
[INFO] [stdout]    |
[INFO] [stdout] 46 | pub const META_CONST_NUM_BEGIN: u8 = 3;
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `META_STRING_GET` is never used
[INFO] [stdout]   --> src/bsjfl.rs:63:11
[INFO] [stdout]    |
[INFO] [stdout] 63 | pub const META_STRING_GET: u8 = 208;
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `META_STRING_SET` is never used
[INFO] [stdout]   --> src/bsjfl.rs:64:11
[INFO] [stdout]    |
[INFO] [stdout] 64 | pub const META_STRING_SET: u8 = 209;
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.35s
[INFO] running `Command { std: "docker" "inspect" "84275cf981d39222a191c4a957e305b26432f05571cff3ee667f7891e5421d65", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "84275cf981d39222a191c4a957e305b26432f05571cff3ee667f7891e5421d65", kill_on_drop: false }`
[INFO] [stdout] 84275cf981d39222a191c4a957e305b26432f05571cff3ee667f7891e5421d65
