[INFO] fetching crate constant_sandbox 0.1.0... [INFO] checking constant_sandbox-0.1.0 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577 [INFO] extracting crate constant_sandbox 0.1.0 into /workspace/builds/worker-3-tc2/source [INFO] started tweaking crates.io crate constant_sandbox 0.1.0 [INFO] finished tweaking crates.io crate constant_sandbox 0.1.0 [INFO] tweaked toml for crates.io crate constant_sandbox 0.1.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate constant_sandbox 0.1.0 on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate constant_sandbox 0.1.0 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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 31ced1a8904a5915af6466fb586819f7429762af83648d5656a60fd143ffa5a9 [INFO] running `Command { std: "docker" "start" "-a" "31ced1a8904a5915af6466fb586819f7429762af83648d5656a60fd143ffa5a9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "31ced1a8904a5915af6466fb586819f7429762af83648d5656a60fd143ffa5a9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "31ced1a8904a5915af6466fb586819f7429762af83648d5656a60fd143ffa5a9", kill_on_drop: false }` [INFO] [stdout] 31ced1a8904a5915af6466fb586819f7429762af83648d5656a60fd143ffa5a9 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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 -Dunmustuse_in_always_ok" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 9822a93550339967e77e78955f0fb45eb03ad7188bd64b1b85ea9e95e2450c03 [INFO] running `Command { std: "docker" "start" "-a" "9822a93550339967e77e78955f0fb45eb03ad7188bd64b1b85ea9e95e2450c03", kill_on_drop: false }` [INFO] [stderr] Compiling syn v1.0.60 [INFO] [stderr] Compiling libc v0.2.84 [INFO] [stderr] Compiling serde_derive v1.0.123 [INFO] [stderr] Compiling serde v1.0.123 [INFO] [stderr] Checking once_cell v1.5.2 [INFO] [stderr] Checking dtoa v0.4.7 [INFO] [stderr] Compiling crossbeam-utils v0.8.1 [INFO] [stderr] Checking lib-ruby-parser v3.0.0 [INFO] [stderr] Checking glob v0.3.0 [INFO] [stderr] Checking thread_local v1.1.3 [INFO] [stderr] Checking regex v1.4.3 [INFO] [stderr] Checking crossbeam-channel v0.5.0 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking num_cpus v1.13.0 [INFO] [stderr] Checking clap v2.33.3 [INFO] [stderr] Checking serde_yaml v0.8.16 [INFO] [stderr] Checking constant_sandbox v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: fields `line` and `lines` are never read [INFO] [stdout] --> src/parser/mod.rs:14:9 [INFO] [stdout] | [INFO] [stdout] 11 | pub struct Definition { [INFO] [stdout] | ---------- fields in this struct [INFO] [stdout] ... [INFO] [stdout] 14 | pub line: usize, [INFO] [stdout] | ^^^^ [INFO] [stdout] 15 | pub lines: usize, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/main.rs:93:19 [INFO] [stdout] | [INFO] [stdout] 93 | let box_str = value_t_or_exit!(matches.value_of("box"), String); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: requested on the command line with `-D unmustuse-in-always-ok` [INFO] [stdout] = note: this error originates in the macro `value_t_or_exit` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/main.rs:104:29 [INFO] [stdout] | [INFO] [stdout] 104 | if let Ok(values) = values_t!(matches.values_of("ignore"), String) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this error originates in the macro `values_t` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/main.rs:150:19 [INFO] [stdout] | [INFO] [stdout] 150 | let box_str = value_t_or_exit!(matches.value_of("box"), String); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this error originates in the macro `value_t_or_exit` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/main.rs:159:29 [INFO] [stdout] | [INFO] [stdout] 159 | if let Ok(values) = values_t!(matches.values_of("ignore"), String) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this error originates in the macro `values_t` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/main.rs:213:33 [INFO] [stdout] | [INFO] [stdout] 213 | if let Ok(values) = values_t!(matches.values_of("ignore"), String) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this error originates in the macro `values_t` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `line` and `lines` are never read [INFO] [stdout] --> src/parser/mod.rs:14:9 [INFO] [stdout] | [INFO] [stdout] 11 | pub struct Definition { [INFO] [stdout] | ---------- fields in this struct [INFO] [stdout] ... [INFO] [stdout] 14 | pub line: usize, [INFO] [stdout] | ^^^^ [INFO] [stdout] 15 | pub lines: usize, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `constant_sandbox` (bin "constant_sandbox") due to 5 previous errors; 1 warning emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/main.rs:93:19 [INFO] [stdout] | [INFO] [stdout] 93 | let box_str = value_t_or_exit!(matches.value_of("box"), String); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: requested on the command line with `-D unmustuse-in-always-ok` [INFO] [stdout] = note: this error originates in the macro `value_t_or_exit` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/main.rs:104:29 [INFO] [stdout] | [INFO] [stdout] 104 | if let Ok(values) = values_t!(matches.values_of("ignore"), String) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this error originates in the macro `values_t` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/main.rs:150:19 [INFO] [stdout] | [INFO] [stdout] 150 | let box_str = value_t_or_exit!(matches.value_of("box"), String); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this error originates in the macro `value_t_or_exit` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/main.rs:159:29 [INFO] [stdout] | [INFO] [stdout] 159 | if let Ok(values) = values_t!(matches.values_of("ignore"), String) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this error originates in the macro `values_t` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/main.rs:213:33 [INFO] [stdout] | [INFO] [stdout] 213 | if let Ok(values) = values_t!(matches.values_of("ignore"), String) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this error originates in the macro `values_t` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `constant_sandbox` (bin "constant_sandbox" test) due to 5 previous errors; 1 warning emitted [INFO] running `Command { std: "docker" "inspect" "9822a93550339967e77e78955f0fb45eb03ad7188bd64b1b85ea9e95e2450c03", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9822a93550339967e77e78955f0fb45eb03ad7188bd64b1b85ea9e95e2450c03", kill_on_drop: false }` [INFO] [stdout] 9822a93550339967e77e78955f0fb45eb03ad7188bd64b1b85ea9e95e2450c03