[INFO] cloning repository https://github.com/TwistingTwists/test_u8_upgrade
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/TwistingTwists/test_u8_upgrade" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTwistingTwists%2Ftest_u8_upgrade", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTwistingTwists%2Ftest_u8_upgrade'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c7da1a24a1680c043c0c879b15fd6ea079fa6912
[INFO] checking TwistingTwists/test_u8_upgrade against try#7424ce9ff9baac3e9d9f5dd3c85828cddea0134d for pr-136776-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTwistingTwists%2Ftest_u8_upgrade" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/TwistingTwists/test_u8_upgrade
[INFO] finished tweaking git repo https://github.com/TwistingTwists/test_u8_upgrade
[INFO] tweaked toml for git repo https://github.com/TwistingTwists/test_u8_upgrade written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/TwistingTwists/test_u8_upgrade on toolchain 7424ce9ff9baac3e9d9f5dd3c85828cddea0134d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7424ce9ff9baac3e9d9f5dd3c85828cddea0134d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/TwistingTwists/test_u8_upgrade 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" "+7424ce9ff9baac3e9d9f5dd3c85828cddea0134d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] checking TwistingTwists/test_u8_upgrade against try#7424ce9ff9baac3e9d9f5dd3c85828cddea0134d for pr-136776-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTwistingTwists%2Ftest_u8_upgrade" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/TwistingTwists/test_u8_upgrade
[INFO] finished tweaking git repo https://github.com/TwistingTwists/test_u8_upgrade
[INFO] tweaked toml for git repo https://github.com/TwistingTwists/test_u8_upgrade written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/TwistingTwists/test_u8_upgrade on toolchain 7424ce9ff9baac3e9d9f5dd3c85828cddea0134d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7424ce9ff9baac3e9d9f5dd3c85828cddea0134d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/TwistingTwists/test_u8_upgrade 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" "+7424ce9ff9baac3e9d9f5dd3c85828cddea0134d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ic-cdk-timers v0.9.0
[INFO] [stderr]   Downloaded serde_tokenstream v0.2.1
[INFO] [stderr]   Downloaded ic-cdk v0.15.0
[INFO] [stderr]   Downloaded ic-cdk-macros v0.15.0
[INFO] [stderr]   Downloaded ic-stable-structures v0.6.5
[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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+7424ce9ff9baac3e9d9f5dd3c85828cddea0134d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ed5098f6d2e77b1ae2cf482a6c851141d10f8606fd343fcf76086aa8e9b5bcc5
[INFO] running `Command { std: "docker" "start" "-a" "ed5098f6d2e77b1ae2cf482a6c851141d10f8606fd343fcf76086aa8e9b5bcc5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ed5098f6d2e77b1ae2cf482a6c851141d10f8606fd343fcf76086aa8e9b5bcc5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed5098f6d2e77b1ae2cf482a6c851141d10f8606fd343fcf76086aa8e9b5bcc5", kill_on_drop: false }`
[INFO] [stdout] ed5098f6d2e77b1ae2cf482a6c851141d10f8606fd343fcf76086aa8e9b5bcc5
[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" "-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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+7424ce9ff9baac3e9d9f5dd3c85828cddea0134d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9eb2d10e3490ec29e4a9bdcc6b5371a69163fec62392eab1a10d497827fca4b8
[INFO] running `Command { std: "docker" "start" "-a" "9eb2d10e3490ec29e4a9bdcc6b5371a69163fec62392eab1a10d497827fca4b8", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.1.0
[INFO] [stderr]    Compiling thiserror v1.0.61
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]    Compiling serde v1.0.204
[INFO] [stderr]    Compiling either v1.13.0
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling libc v0.2.155
[INFO] [stderr]    Compiling data-encoding v2.6.0
[INFO] [stderr]    Compiling syn v2.0.70
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling unicode-width v0.1.13
[INFO] [stderr]     Checking futures-sink v0.3.30
[INFO] [stderr]     Checking futures-core v0.3.30
[INFO] [stderr]    Compiling pretty v0.12.3
[INFO] [stderr]     Checking futures-channel v0.3.30
[INFO] [stderr]    Compiling slotmap v1.0.7
[INFO] [stderr]     Checking ic0 v0.23.0
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling psm v0.1.21
[INFO] [stderr]    Compiling stacker v0.1.15
[INFO] [stderr]    Compiling binread_derive v2.1.0
[INFO] [stderr]    Compiling binread v2.2.0
[INFO] [stderr]    Compiling serde_derive v1.0.204
[INFO] [stderr]    Compiling thiserror-impl v1.0.61
[INFO] [stderr]    Compiling candid_derive v0.6.6
[INFO] [stderr]    Compiling futures-macro v0.3.30
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]     Checking futures-executor v0.3.30
[INFO] [stderr]     Checking futures v0.3.30
[INFO] [stderr]     Checking ic_principal v0.1.1
[INFO] [stderr]     Checking serde_bytes v0.11.15
[INFO] [stderr]     Checking num-bigint v0.4.6
[INFO] [stderr]     Checking ciborium v0.2.2
[INFO] [stderr]    Compiling serde_tokenstream v0.2.1
[INFO] [stderr]     Checking ic-stable-structures v0.6.5
[INFO] [stderr]     Checking candid v0.10.9
[INFO] [stderr]    Compiling ic-cdk-macros v0.15.0
[INFO] [stderr]     Checking ic-cdk v0.15.0
[INFO] [stderr]     Checking ic-cdk-timers v0.9.0
[INFO] [stderr]     Checking test_u8_upgrade_backend v0.1.0 (/opt/rustwide/workdir/src/test_u8_upgrade_backend)
[INFO] [stdout] warning: unused import: `init_memory_manager`
[INFO] [stdout]  --> src/test_u8_upgrade_backend/src/post_upgrade.rs:5:34
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::{get_upgrades_memory, init_memory_manager};
[INFO] [stdout]   |                                  ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::BTreeMap`
[INFO] [stdout]  --> src/test_u8_upgrade_backend/src/post_upgrade.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::collections::BTreeMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `CanisterData` and `SlotDetailsV1`
[INFO] [stdout]  --> src/test_u8_upgrade_backend/src/post_upgrade.rs:8:13
[INFO] [stdout]   |
[INFO] [stdout] 8 | use crate::{CanisterData, SlotDetailsV1, CANISTER_DATA};
[INFO] [stdout]   |             ^^^^^^^^^^^^  ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `init_memory_manager`
[INFO] [stdout]  --> src/test_u8_upgrade_backend/src/post_upgrade.rs:5:34
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::{get_upgrades_memory, init_memory_manager};
[INFO] [stdout]   |                                  ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::BTreeMap`
[INFO] [stdout]  --> src/test_u8_upgrade_backend/src/post_upgrade.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::collections::BTreeMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `CanisterData` and `SlotDetailsV1`
[INFO] [stdout]  --> src/test_u8_upgrade_backend/src/post_upgrade.rs:8:13
[INFO] [stdout]   |
[INFO] [stdout] 8 | use crate::{CanisterData, SlotDetailsV1, CANISTER_DATA};
[INFO] [stdout]   |             ^^^^^^^^^^^^  ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/test_u8_upgrade_backend/src/lib.rs:139:17
[INFO] [stdout]     |
[INFO] [stdout] 139 |     fn to_bytes(&self) -> std::borrow::Cow<[u8]> {
[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] 139 |     fn to_bytes(&self) -> std::borrow::Cow<'_, [u8]> {
[INFO] [stdout]     |                                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/test_u8_upgrade_backend/src/lib.rs:139:17
[INFO] [stdout]     |
[INFO] [stdout] 139 |     fn to_bytes(&self) -> std::borrow::Cow<[u8]> {
[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] 139 |     fn to_bytes(&self) -> std::borrow::Cow<'_, [u8]> {
[INFO] [stdout]     |                                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 27.17s
[INFO] running `Command { std: "docker" "inspect" "9eb2d10e3490ec29e4a9bdcc6b5371a69163fec62392eab1a10d497827fca4b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9eb2d10e3490ec29e4a9bdcc6b5371a69163fec62392eab1a10d497827fca4b8", kill_on_drop: false }`
[INFO] [stdout] 9eb2d10e3490ec29e4a9bdcc6b5371a69163fec62392eab1a10d497827fca4b8