[INFO] fetching crate marwood 0.5.0... [INFO] checking marwood-0.5.0 against master#350d0ef0ec0493e6d21cfb265cb8211a0e74d766 for pr-145342-1 [INFO] extracting crate marwood 0.5.0 into /workspace/builds/worker-4-tc1/source [INFO] started tweaking crates.io crate marwood 0.5.0 [INFO] finished tweaking crates.io crate marwood 0.5.0 [INFO] tweaked toml for crates.io crate marwood 0.5.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate marwood 0.5.0 on toolchain 350d0ef0ec0493e6d21cfb265cb8211a0e74d766 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate marwood 0.5.0 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" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded plotters-svg v0.3.2 [INFO] [stderr] Downloaded crossbeam-utils v0.8.10 [INFO] [stderr] Downloaded crossbeam-epoch v0.9.9 [INFO] [stderr] Downloaded serde_derive v1.0.140 [INFO] [stderr] Downloaded crossbeam-channel v0.5.5 [INFO] [stderr] Downloaded serde v1.0.140 [INFO] [stderr] Downloaded plotters v0.3.2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] ba38b403e5df448d86ad810347aa242acd698b8d598abd1c2f896b0723b1ca2f [INFO] running `Command { std: "docker" "start" "-a" "ba38b403e5df448d86ad810347aa242acd698b8d598abd1c2f896b0723b1ca2f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ba38b403e5df448d86ad810347aa242acd698b8d598abd1c2f896b0723b1ca2f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ba38b403e5df448d86ad810347aa242acd698b8d598abd1c2f896b0723b1ca2f", kill_on_drop: false }` [INFO] [stdout] ba38b403e5df448d86ad810347aa242acd698b8d598abd1c2f896b0723b1ca2f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 7961de5c31356471279d9e68a61bd34078190f1cae282d8e67922552c2bee3ad [INFO] running `Command { std: "docker" "start" "-a" "7961de5c31356471279d9e68a61bd34078190f1cae282d8e67922552c2bee3ad", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.1.0 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Compiling libc v0.2.126 [INFO] [stderr] Compiling proc-macro2 v1.0.40 [INFO] [stderr] Compiling unicode-ident v1.0.2 [INFO] [stderr] Compiling quote v1.0.20 [INFO] [stderr] Compiling crossbeam-utils v0.8.10 [INFO] [stderr] Compiling serde v1.0.140 [INFO] [stderr] Checking once_cell v1.13.0 [INFO] [stderr] Compiling syn v1.0.98 [INFO] [stderr] Compiling memchr v2.5.0 [INFO] [stderr] Compiling rayon-core v1.9.3 [INFO] [stderr] Checking scopeguard v1.1.0 [INFO] [stderr] Compiling serde_json v1.0.82 [INFO] [stderr] Checking either v1.7.0 [INFO] [stderr] Compiling num-traits v0.2.15 [INFO] [stderr] Compiling memoffset v0.6.5 [INFO] [stderr] Compiling num-integer v0.1.45 [INFO] [stderr] Compiling crossbeam-epoch v0.9.9 [INFO] [stderr] Compiling num-bigint v0.4.3 [INFO] [stderr] Compiling num-iter v0.1.43 [INFO] [stderr] Compiling num-rational v0.4.1 [INFO] [stderr] Checking ryu v1.0.10 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Checking getrandom v0.2.7 [INFO] [stderr] Checking num_cpus v1.13.1 [INFO] [stderr] Checking crossbeam-deque v0.8.1 [INFO] [stderr] Checking rand_core v0.6.3 [INFO] [stderr] Checking crossbeam-channel v0.5.5 [INFO] [stderr] Compiling rayon v1.5.3 [INFO] [stderr] Checking unicode-width v0.1.9 [INFO] [stderr] Checking regex-automata v0.1.10 [INFO] [stderr] Checking ppv-lite86 v0.2.16 [INFO] [stderr] Checking plotters-backend v0.3.4 [INFO] [stderr] Checking itoa v1.0.2 [INFO] [stderr] Compiling serde_derive v1.0.140 [INFO] [stderr] Compiling log v0.4.17 [INFO] [stderr] Checking plotters-svg v0.3.2 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking csv-core v0.1.10 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking itertools v0.10.3 [INFO] [stderr] Checking half v1.8.2 [INFO] [stderr] Checking num-complex v0.4.2 [INFO] [stderr] Checking regex-syntax v0.6.27 [INFO] [stderr] Checking bitflags v1.3.2 [INFO] [stderr] Checking itoa v0.4.8 [INFO] [stderr] Checking cast v0.3.0 [INFO] [stderr] Checking same-file v1.0.6 [INFO] [stderr] Checking walkdir v2.3.2 [INFO] [stderr] Checking clap v2.34.0 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Checking regex v1.6.0 [INFO] [stderr] Checking criterion-plot v0.4.5 [INFO] [stderr] Checking plotters v0.3.2 [INFO] [stderr] Checking bstr v0.2.17 [INFO] [stderr] Checking serde_cbor v0.11.2 [INFO] [stderr] Compiling thiserror-impl v1.0.31 [INFO] [stderr] Checking num v0.4.0 [INFO] [stderr] Checking csv v1.1.6 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking oorandom v11.1.3 [INFO] [stderr] Checking tinytemplate v1.2.1 [INFO] [stderr] Checking thiserror v1.0.31 [INFO] [stderr] Checking marwood v0.5.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/cell.rs:99:17 [INFO] [stdout] | [INFO] [stdout] 99 | pub fn iter(&self) -> IntoIter { [INFO] [stdout] | ^^^^^ -------- the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 99 | pub fn iter(&self) -> IntoIter<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/cell.rs:103:26 [INFO] [stdout] | [INFO] [stdout] 103 | pub fn iter_improper(&self) -> IntoIter { [INFO] [stdout] | ^^^^^ -------- the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 103 | pub fn iter_improper(&self) -> IntoIter<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: call to `.deref()` on a reference in this situation does nothing [INFO] [stdout] --> src/vm/compile.rs:90:41 [INFO] [stdout] | [INFO] [stdout] 90 | if let Cell::Symbol(proc) = proc.deref() { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: the type `cell::Cell` does not implement `Deref`, so calling `deref` on `&cell::Cell` copies the reference, which does not do anything and can be removed [INFO] [stdout] = note: `#[warn(noop_method_call)]` on by default [INFO] [stdout] help: remove this redundant call [INFO] [stdout] | [INFO] [stdout] 90 - if let Cell::Symbol(proc) = proc.deref() { [INFO] [stdout] 90 + if let Cell::Symbol(proc) = proc { [INFO] [stdout] | [INFO] [stdout] help: if you meant to clone `cell::Cell`, implement `Clone` for it [INFO] [stdout] --> src/cell.rs:10:1 [INFO] [stdout] | [INFO] [stdout] 10 + #[derive(Clone)] [INFO] [stdout] 11 | pub enum Cell { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: call to `.deref()` on a reference in this situation does nothing [INFO] [stdout] --> src/vm/compile.rs:172:19 [INFO] [stdout] | [INFO] [stdout] 172 | match proc.deref() { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: the type `cell::Cell` does not implement `Deref`, so calling `deref` on `&cell::Cell` copies the reference, which does not do anything and can be removed [INFO] [stdout] help: remove this redundant call [INFO] [stdout] | [INFO] [stdout] 172 - match proc.deref() { [INFO] [stdout] 172 + match proc { [INFO] [stdout] | [INFO] [stdout] help: if you meant to clone `cell::Cell`, implement `Clone` for it [INFO] [stdout] --> src/cell.rs:10:1 [INFO] [stdout] | [INFO] [stdout] 10 + #[derive(Clone)] [INFO] [stdout] 11 | pub enum Cell { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/vm/environment.rs:224:26 [INFO] [stdout] | [INFO] [stdout] 224 | pub fn iter_bindings(&self) -> std::collections::hash_map::Keys { [INFO] [stdout] | ^^^^^ ---------------------------------------------- the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 224 | pub fn iter_bindings(&self) -> std::collections::hash_map::Keys<'_, usize, usize> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/vm/environment.rs:228:23 [INFO] [stdout] | [INFO] [stdout] 228 | pub fn iter_slots(&self) -> std::slice::Iter { [INFO] [stdout] | ^^^^^ ----------------------- the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 228 | pub fn iter_slots(&self) -> std::slice::Iter<'_, VCell> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking criterion v0.3.6 [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/cell.rs:99:17 [INFO] [stdout] | [INFO] [stdout] 99 | pub fn iter(&self) -> IntoIter { [INFO] [stdout] | ^^^^^ -------- the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 99 | pub fn iter(&self) -> IntoIter<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/cell.rs:103:26 [INFO] [stdout] | [INFO] [stdout] 103 | pub fn iter_improper(&self) -> IntoIter { [INFO] [stdout] | ^^^^^ -------- the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 103 | pub fn iter_improper(&self) -> IntoIter<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: call to `.deref()` on a reference in this situation does nothing [INFO] [stdout] --> src/vm/compile.rs:90:41 [INFO] [stdout] | [INFO] [stdout] 90 | if let Cell::Symbol(proc) = proc.deref() { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: the type `cell::Cell` does not implement `Deref`, so calling `deref` on `&cell::Cell` copies the reference, which does not do anything and can be removed [INFO] [stdout] = note: `#[warn(noop_method_call)]` on by default [INFO] [stdout] help: remove this redundant call [INFO] [stdout] | [INFO] [stdout] 90 - if let Cell::Symbol(proc) = proc.deref() { [INFO] [stdout] 90 + if let Cell::Symbol(proc) = proc { [INFO] [stdout] | [INFO] [stdout] help: if you meant to clone `cell::Cell`, implement `Clone` for it [INFO] [stdout] --> src/cell.rs:10:1 [INFO] [stdout] | [INFO] [stdout] 10 + #[derive(Clone)] [INFO] [stdout] 11 | pub enum Cell { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: call to `.deref()` on a reference in this situation does nothing [INFO] [stdout] --> src/vm/compile.rs:172:19 [INFO] [stdout] | [INFO] [stdout] 172 | match proc.deref() { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: the type `cell::Cell` does not implement `Deref`, so calling `deref` on `&cell::Cell` copies the reference, which does not do anything and can be removed [INFO] [stdout] help: remove this redundant call [INFO] [stdout] | [INFO] [stdout] 172 - match proc.deref() { [INFO] [stdout] 172 + match proc { [INFO] [stdout] | [INFO] [stdout] help: if you meant to clone `cell::Cell`, implement `Clone` for it [INFO] [stdout] --> src/cell.rs:10:1 [INFO] [stdout] | [INFO] [stdout] 10 + #[derive(Clone)] [INFO] [stdout] 11 | pub enum Cell { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/vm/environment.rs:224:26 [INFO] [stdout] | [INFO] [stdout] 224 | pub fn iter_bindings(&self) -> std::collections::hash_map::Keys { [INFO] [stdout] | ^^^^^ ---------------------------------------------- the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 224 | pub fn iter_bindings(&self) -> std::collections::hash_map::Keys<'_, usize, usize> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/vm/environment.rs:228:23 [INFO] [stdout] | [INFO] [stdout] 228 | pub fn iter_slots(&self) -> std::slice::Iter { [INFO] [stdout] | ^^^^^ ----------------------- the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 228 | pub fn iter_slots(&self) -> std::slice::Iter<'_, VCell> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 41.94s [INFO] running `Command { std: "docker" "inspect" "7961de5c31356471279d9e68a61bd34078190f1cae282d8e67922552c2bee3ad", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7961de5c31356471279d9e68a61bd34078190f1cae282d8e67922552c2bee3ad", kill_on_drop: false }` [INFO] [stdout] 7961de5c31356471279d9e68a61bd34078190f1cae282d8e67922552c2bee3ad