[INFO] fetching crate trying 0.5.1... [INFO] testing trying-0.5.1 against try#b83b707f97d809763b7861afa7638871f3339a33 for pr-145838-1 [INFO] extracting crate trying 0.5.1 into /workspace/builds/worker-6-tc2/source [INFO] started tweaking crates.io crate trying 0.5.1 [INFO] removed 0 missing examples [INFO] finished tweaking crates.io crate trying 0.5.1 [INFO] tweaked toml for crates.io crate trying 0.5.1 written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate trying 0.5.1 on toolchain b83b707f97d809763b7861afa7638871f3339a33 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate trying 0.5.1 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" "+b83b707f97d809763b7861afa7638871f3339a33" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] fb14e1c899b9893c34313a83f58245c8a2d0f21cb00b8cd3514f0c7890cf17c7 [INFO] running `Command { std: "docker" "start" "-a" "fb14e1c899b9893c34313a83f58245c8a2d0f21cb00b8cd3514f0c7890cf17c7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "fb14e1c899b9893c34313a83f58245c8a2d0f21cb00b8cd3514f0c7890cf17c7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fb14e1c899b9893c34313a83f58245c8a2d0f21cb00b8cd3514f0c7890cf17c7", kill_on_drop: false }` [INFO] [stdout] fb14e1c899b9893c34313a83f58245c8a2d0f21cb00b8cd3514f0c7890cf17c7 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 83c74e718fa486de466a25e64901b7c993eed0df001e5144db8932e3447b3276 [INFO] running `Command { std: "docker" "start" "-a" "83c74e718fa486de466a25e64901b7c993eed0df001e5144db8932e3447b3276", kill_on_drop: false }` [INFO] [stderr] Compiling trying v0.5.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/iterator.rs:199:17 [INFO] [stdout] | [INFO] [stdout] 199 | let mut node = match nodes.get_mut(index) { [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/trie.rs:382:26 [INFO] [stdout] | [INFO] [stdout] 382 | Some((i, mut n)) => { [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/trie.rs:436:24 [INFO] [stdout] | [INFO] [stdout] 436 | let closure = |mut n: &mut Node| { [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.26s [INFO] running `Command { std: "docker" "inspect" "83c74e718fa486de466a25e64901b7c993eed0df001e5144db8932e3447b3276", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "83c74e718fa486de466a25e64901b7c993eed0df001e5144db8932e3447b3276", kill_on_drop: false }` [INFO] [stdout] 83c74e718fa486de466a25e64901b7c993eed0df001e5144db8932e3447b3276 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 9f3c739404b26a8ef68ed9b709e31d2b3f5fd5707f2ca22644cd560212c543d8 [INFO] running `Command { std: "docker" "start" "-a" "9f3c739404b26a8ef68ed9b709e31d2b3f5fd5707f2ca22644cd560212c543d8", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.147 [INFO] [stderr] Compiling serde v1.0.178 [INFO] [stderr] Compiling either v1.9.0 [INFO] [stderr] Compiling serde_derive v1.0.178 [INFO] [stderr] Compiling num-traits v0.2.16 [INFO] [stderr] Compiling serde_json v1.0.104 [INFO] [stderr] Compiling rustix v0.38.4 [INFO] [stderr] Compiling linux-raw-sys v0.4.3 [INFO] [stderr] Compiling bitflags v2.3.3 [INFO] [stderr] Compiling anstyle v1.0.1 [INFO] [stderr] Compiling ciborium-io v0.2.1 [INFO] [stderr] Compiling plotters-backend v0.3.5 [INFO] [stderr] Compiling regex-syntax v0.7.4 [INFO] [stderr] Compiling crossbeam-channel v0.5.8 [INFO] [stderr] Compiling half v1.8.2 [INFO] [stderr] Compiling cast v0.3.0 [INFO] [stderr] Compiling walkdir v2.3.3 [INFO] [stderr] Compiling clap_builder v4.3.19 [INFO] [stderr] Compiling itertools v0.10.5 [INFO] [stderr] Compiling ciborium-ll v0.2.1 [INFO] [stderr] Compiling anes v0.1.6 [INFO] [stderr] Compiling oorandom v11.1.3 [INFO] [stderr] Compiling plotters-svg v0.3.5 [INFO] [stderr] Compiling once_cell v1.18.0 [INFO] [stderr] Compiling itertools v0.11.0 [INFO] [stderr] Compiling unicode-segmentation v1.10.1 [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/iterator.rs:199:17 [INFO] [stdout] | [INFO] [stdout] 199 | let mut node = match nodes.get_mut(index) { [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/trie.rs:382:26 [INFO] [stdout] | [INFO] [stdout] 382 | Some((i, mut n)) => { [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/trie.rs:436:24 [INFO] [stdout] | [INFO] [stdout] 436 | let closure = |mut n: &mut Node| { [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling getrandom v0.2.10 [INFO] [stderr] Compiling num_cpus v1.16.0 [INFO] [stderr] Compiling rand_core v0.6.4 [INFO] [stderr] Compiling rayon-core v1.11.0 [INFO] [stderr] Compiling regex-automata v0.3.4 [INFO] [stderr] Compiling rand_chacha v0.3.1 [INFO] [stderr] Compiling criterion-plot v0.5.0 [INFO] [stderr] Compiling plotters v0.3.5 [INFO] [stderr] Compiling rand v0.8.5 [INFO] [stderr] Compiling rayon v1.7.0 [INFO] [stderr] Compiling is-terminal v0.4.9 [INFO] [stderr] Compiling clap v4.3.19 [INFO] [stderr] Compiling regex v1.9.1 [INFO] [stderr] Compiling ciborium v0.2.1 [INFO] [stderr] Compiling tinytemplate v1.2.1 [INFO] [stderr] Compiling criterion v0.5.1 [INFO] [stderr] Compiling trying v0.5.1 (/opt/rustwide/workdir) [INFO] [stdout] error[E0277]: the trait bound `Trie, usize, usize>: serde::ser::Serialize` is not satisfied [INFO] [stdout] --> src/trie.rs:678:43 [INFO] [stdout] | [INFO] [stdout] 678 | let t_str = serde_json::to_string(&t1).expect("serializing"); [INFO] [stdout] | --------------------- ^^^ unsatisfied trait bound [INFO] [stdout] | | [INFO] [stdout] | required by a bound introduced by this call [INFO] [stdout] | [INFO] [stdout] help: the trait `serde::ser::Serialize` is not implemented for `Trie, usize, usize>` [INFO] [stdout] --> src/trie.rs:146:1 [INFO] [stdout] | [INFO] [stdout] 146 | pub struct Trie { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] = help: the following other types implement trait `serde::ser::Serialize`: [INFO] [stdout] &'a T [INFO] [stdout] &'a mut T [INFO] [stdout] () [INFO] [stdout] (T0, T1) [INFO] [stdout] (T0, T1, T2) [INFO] [stdout] (T0, T1, T2, T3) [INFO] [stdout] (T0, T1, T2, T3, T4) [INFO] [stdout] (T0, T1, T2, T3, T4, T5) [INFO] [stdout] and 129 others [INFO] [stdout] note: required by a bound in `serde_json::to_string` [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/serde_json-1.0.104/src/ser.rs:2196:17 [INFO] [stdout] | [INFO] [stdout] 2194 | pub fn to_string(value: &T) -> Result [INFO] [stdout] | --------- required by a bound in this function [INFO] [stdout] 2195 | where [INFO] [stdout] 2196 | T: ?Sized + Serialize, [INFO] [stdout] | ^^^^^^^^^ required by this bound in `to_string` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0277]: the trait bound `Trie, usize, usize>: serde::de::Deserialize<'_>` is not satisfied [INFO] [stdout] --> src/trie.rs:679:41 [INFO] [stdout] | [INFO] [stdout] 679 | let t2: TrieVec = serde_json::from_str(&t_str).expect("deserializing"); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unsatisfied trait bound [INFO] [stdout] | [INFO] [stdout] help: the trait `serde::de::Deserialize<'_>` is not implemented for `Trie, usize, usize>` [INFO] [stdout] --> src/trie.rs:146:1 [INFO] [stdout] | [INFO] [stdout] 146 | pub struct Trie { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] = help: the following other types implement trait `serde::de::Deserialize<'de>`: [INFO] [stdout] &'a Path [INFO] [stdout] &'a [u8] [INFO] [stdout] &'a str [INFO] [stdout] () [INFO] [stdout] (T0, T1) [INFO] [stdout] (T0, T1, T2) [INFO] [stdout] (T0, T1, T2, T3) [INFO] [stdout] (T0, T1, T2, T3, T4) [INFO] [stdout] and 129 others [INFO] [stdout] note: required by a bound in `serde_json::from_str` [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/serde_json-1.0.104/src/de.rs:2640:8 [INFO] [stdout] | [INFO] [stdout] 2638 | pub fn from_str<'a, T>(s: &'a str) -> Result [INFO] [stdout] | -------- required by a bound in this function [INFO] [stdout] 2639 | where [INFO] [stdout] 2640 | T: de::Deserialize<'a>, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ required by this bound in `from_str` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/iterator.rs:199:17 [INFO] [stdout] | [INFO] [stdout] 199 | let mut node = match nodes.get_mut(index) { [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/trie.rs:382:26 [INFO] [stdout] | [INFO] [stdout] 382 | Some((i, mut n)) => { [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/trie.rs:436:24 [INFO] [stdout] | [INFO] [stdout] 436 | let closure = |mut n: &mut Node| { [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0277`. [INFO] [stdout] [INFO] [stderr] error: could not compile `trying` (lib test) due to 2 previous errors; 3 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "9f3c739404b26a8ef68ed9b709e31d2b3f5fd5707f2ca22644cd560212c543d8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9f3c739404b26a8ef68ed9b709e31d2b3f5fd5707f2ca22644cd560212c543d8", kill_on_drop: false }` [INFO] [stdout] 9f3c739404b26a8ef68ed9b709e31d2b3f5fd5707f2ca22644cd560212c543d8