[INFO] fetching crate hamlrs 0.4.3... [INFO] checking hamlrs-0.4.3 against master#36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923 for pr-81863 [INFO] extracting crate hamlrs 0.4.3 into /workspace/builds/worker-2/source [INFO] validating manifest of crates.io crate hamlrs 0.4.3 on toolchain 36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate hamlrs 0.4.3 [INFO] finished tweaking crates.io crate hamlrs 0.4.3 [INFO] tweaked toml for crates.io crate hamlrs 0.4.3 written to /workspace/builds/worker-2/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] e26bb9550b0d065bf4e970e8db12e26b242e6bb5605aceff654946801ae0c440 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "e26bb9550b0d065bf4e970e8db12e26b242e6bb5605aceff654946801ae0c440", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e26bb9550b0d065bf4e970e8db12e26b242e6bb5605aceff654946801ae0c440", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e26bb9550b0d065bf4e970e8db12e26b242e6bb5605aceff654946801ae0c440", kill_on_drop: false }` [INFO] [stdout] e26bb9550b0d065bf4e970e8db12e26b242e6bb5605aceff654946801ae0c440 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 7d05ee05716b46f6bbf67d3bd57dbec66bd9ee6f7659fd2031d6e285841f3bf4 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "7d05ee05716b46f6bbf67d3bd57dbec66bd9ee6f7659fd2031d6e285841f3bf4", kill_on_drop: false }` [INFO] [stderr] Compiling const_fn v0.4.5 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Checking byteorder v1.4.2 [INFO] [stderr] Compiling rayon-core v1.9.0 [INFO] [stderr] Compiling syn v1.0.60 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Checking rand_core v0.4.2 [INFO] [stderr] Compiling serde_derive v1.0.123 [INFO] [stderr] Checking unicode-width v0.1.8 [INFO] [stderr] Checking same-file v1.0.6 [INFO] [stderr] Checking hamlrs v0.4.3 (/opt/rustwide/workdir) [INFO] [stderr] Compiling memoffset v0.6.1 [INFO] [stderr] Compiling rayon v1.5.0 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Checking itertools v0.8.2 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Compiling cast v0.2.3 [INFO] [stderr] Checking serde_json v1.0.62 [INFO] [stderr] Checking crossbeam-utils v0.8.1 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stdout] warning: value assigned to `token` is never read [INFO] [stdout] --> src/parser.rs:71:13 [INFO] [stdout] | [INFO] [stdout] 71 | let mut token: Option<&Token> = None; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `class` is never read [INFO] [stdout] --> src/parser.rs:86:29 [INFO] [stdout] | [INFO] [stdout] 86 | let mut class = String::new(); [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `id` is never read [INFO] [stdout] --> src/parser.rs:101:29 [INFO] [stdout] | [INFO] [stdout] 101 | let mut id = String::new(); [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `value` is never read [INFO] [stdout] --> src/scanner.rs:68:21 [INFO] [stdout] | [INFO] [stdout] 68 | let mut value: Option = None; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking walkdir v2.3.1 [INFO] [stderr] Checking regex-automata v0.1.9 [INFO] [stderr] Checking rand_core v0.3.1 [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> src/parser.rs:140:49 [INFO] [stdout] | [INFO] [stdout] 140 | ... Some(tok) => panic!(format!("Expecting Text but found {:?}", tok)), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_fmt_panic)]` on by default [INFO] [stdout] = note: this is no longer accepted in Rust 2021 [INFO] [stdout] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message contains a brace [INFO] [stdout] --> src/parser.rs:164:50 [INFO] [stdout] | [INFO] [stdout] 164 | ... panic!("Unexpected \"{\" while parsing"); [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: this message is not used as a format string, but will be in Rust 2021 [INFO] [stdout] help: add a "{}" format string to use the message literally [INFO] [stdout] | [INFO] [stdout] 164 | panic!("{}", "Unexpected \"{\" while parsing"); [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> src/parser.rs:167:33 [INFO] [stdout] | [INFO] [stdout] 167 | t => panic!(format!("Unsupported feature: {:?}", t)), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this is no longer accepted in Rust 2021 [INFO] [stdout] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> src/parser.rs:184:49 [INFO] [stdout] | [INFO] [stdout] 184 | ... Some(tok) => panic!(format!("Expected an identifier after a colon when parsing attributes but found {:?}", tok)), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this is no longer accepted in Rust 2021 [INFO] [stdout] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> src/parser.rs:206:65 [INFO] [stdout] | [INFO] [stdout] 206 | ... Some(tok) => panic!(format!("Unexpected token {:?} in attribute array.", tok )), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this is no longer accepted in Rust 2021 [INFO] [stdout] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> src/parser.rs:212:53 [INFO] [stdout] | [INFO] [stdout] 212 | ... Some(tok) => panic!(format!("Expecting value after attribute id in attributes but found {:?}", tok)), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this is no longer accepted in Rust 2021 [INFO] [stdout] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 10 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking rand_os v0.1.3 [INFO] [stderr] Checking rand_xoshiro v0.1.0 [INFO] [stderr] Checking bstr v0.2.15 [INFO] [stderr] Checking crossbeam-channel v0.5.0 [INFO] [stderr] Checking clap v2.33.3 [INFO] [stderr] Checking criterion-plot v0.3.1 [INFO] [stderr] Checking crossbeam-epoch v0.9.1 [INFO] [stderr] Checking tinytemplate v1.2.0 [INFO] [stderr] Checking csv v1.1.5 [INFO] [stderr] Checking crossbeam-deque v0.8.0 [INFO] [stderr] Checking criterion v0.2.11 [INFO] [stdout] warning: value assigned to `token` is never read [INFO] [stdout] --> src/parser.rs:71:13 [INFO] [stdout] | [INFO] [stdout] 71 | let mut token: Option<&Token> = None; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `class` is never read [INFO] [stdout] --> src/parser.rs:86:29 [INFO] [stdout] | [INFO] [stdout] 86 | let mut class = String::new(); [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `id` is never read [INFO] [stdout] --> src/parser.rs:101:29 [INFO] [stdout] | [INFO] [stdout] 101 | let mut id = String::new(); [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `value` is never read [INFO] [stdout] --> src/scanner.rs:68:21 [INFO] [stdout] | [INFO] [stdout] 68 | let mut value: Option = None; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> src/parser.rs:140:49 [INFO] [stdout] | [INFO] [stdout] 140 | ... Some(tok) => panic!(format!("Expecting Text but found {:?}", tok)), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_fmt_panic)]` on by default [INFO] [stdout] = note: this is no longer accepted in Rust 2021 [INFO] [stdout] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message contains a brace [INFO] [stdout] --> src/parser.rs:164:50 [INFO] [stdout] | [INFO] [stdout] 164 | ... panic!("Unexpected \"{\" while parsing"); [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: this message is not used as a format string, but will be in Rust 2021 [INFO] [stdout] help: add a "{}" format string to use the message literally [INFO] [stdout] | [INFO] [stdout] 164 | panic!("{}", "Unexpected \"{\" while parsing"); [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> src/parser.rs:167:33 [INFO] [stdout] | [INFO] [stdout] 167 | t => panic!(format!("Unsupported feature: {:?}", t)), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this is no longer accepted in Rust 2021 [INFO] [stdout] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> src/parser.rs:184:49 [INFO] [stdout] | [INFO] [stdout] 184 | ... Some(tok) => panic!(format!("Expected an identifier after a colon when parsing attributes but found {:?}", tok)), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this is no longer accepted in Rust 2021 [INFO] [stdout] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> src/parser.rs:206:65 [INFO] [stdout] | [INFO] [stdout] 206 | ... Some(tok) => panic!(format!("Unexpected token {:?} in attribute array.", tok )), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this is no longer accepted in Rust 2021 [INFO] [stdout] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> src/parser.rs:212:53 [INFO] [stdout] | [INFO] [stdout] 212 | ... Some(tok) => panic!(format!("Expecting value after attribute id in attributes but found {:?}", tok)), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this is no longer accepted in Rust 2021 [INFO] [stdout] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 10 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 31.10s [INFO] running `Command { std: "docker" "inspect" "7d05ee05716b46f6bbf67d3bd57dbec66bd9ee6f7659fd2031d6e285841f3bf4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7d05ee05716b46f6bbf67d3bd57dbec66bd9ee6f7659fd2031d6e285841f3bf4", kill_on_drop: false }` [INFO] [stdout] 7d05ee05716b46f6bbf67d3bd57dbec66bd9ee6f7659fd2031d6e285841f3bf4